test(web): a Node suite between the boundaries, Playwright only on them
E2E and integration tests are rare and pin boundary contracts; unit tests assume those contracts and test between them (user, 2026-09-20). The browser half has four boundaries — RenderModel→DOM, JS→wasm, page→peer, worker→OPFS — and everything between them needed no browser at all. `web/shell.js` and `web/serial.js` are the seams: pure modules that RETURN A DESCRIPTION rather than take a DOM double. `gridPlan(model)` answers every question `gridTable` used to answer while creating elements — the data-row index across group headers, what a group header spans, a null group label against an empty one, an empty edit buffer against no editor — and `app.js` is now a loop that builds elements from it. Painting stays untested by Node; what to paint stopped being untestable. 26 tests in `node --test web/tests` (0.12s, no Rust toolchain, no wasm bundle, no npm install), plus three in `web/tests/bundle/` that read the generated .d.ts and so run in the browser job. Playwright goes from 29 tests/36.9s to 16/15.5s on one machine: `widgets.spec.js` and `pointer.spec.js` are gone, replaced by `contract.spec.js`, which asserts that EVERY field the render model projects reaches the screen. The four widgets those specs were written for were one failure at one boundary, and one assertion catches the fifth. It caught it: `doc_name`/`doc_dirty`/`doc_stored_as` reach no element (improvise-5jna, already open). They are named in `UNPAINTED` with the ticket, so the list is the debt written down rather than an exemption. Thirteen faults injected into the Node suite and eight into the served page, each watched to fail the test it names; the last of those was strengthened because the first version passed. `web/assemble.sh` grew an import-completeness guard whose own first version was blind to the multi-line import it exists for. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Edward Langley
@@ -97,6 +97,25 @@ jobs:
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- name: improvise-gp
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run: cargo check -p improvise-gp --target wasm32-unknown-unknown
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# ---------------------------------------------------------------------------
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# The browser JavaScript's unit tests. Its own job, deliberately: a failure
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# here is a decision `web/shell.js` or `web/serial.js` got wrong, and
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# reporting that as "Browser harness" would put it behind an 80 MB browser
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# download and two wasm-pack builds. It needs neither — `node --test` is in
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# the runtime, and this job installs nothing at all.
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js:
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name: Browser JS unit tests (node --test)
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v7
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- uses: actions/setup-node@v4
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with:
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node-version: 22
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# The glob is the SHELL's, not node's: `web/tests/bundle/` needs a built
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# wasm bundle and runs in the browser job instead.
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- name: What the page decides between its boundaries
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run: node --test web/tests/*.test.js
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kb:
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name: Knowledge base consistency
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runs-on: ubuntu-latest
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@@ -169,6 +188,12 @@ jobs:
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# `harness/serve` — the same tree `pages-build` publishes, plus /opfs/.
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- name: Build the harness
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run: ./harness/build.sh
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# The JS↔wasm boundary: every call web/app.js makes is declared by the
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# bundle, with that arity. It needs the bundle and nothing else, so it
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# runs here rather than in the `js` job, and before Playwright — a
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# renamed export is cheaper to read here than as a blank page.
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- name: The page's calls match the bundle it calls
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run: node --test web/tests/bundle/*.test.js
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- name: Run the harness
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working-directory: harness
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run: npx playwright test
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@@ -243,7 +268,7 @@ jobs:
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pages-deploy:
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name: Deploy to GitHub Pages
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needs: [test, wasm, browser, pages-build]
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needs: [test, wasm, js, browser, pages-build]
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if: github.event_name == 'push' && github.ref == 'refs/heads/main'
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runs-on: ubuntu-latest
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permissions:
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+92
-3
@@ -880,6 +880,11 @@ folded one at a time in the order they arrive (a cell update that overtakes its
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labels is dropped, not replayed), and the *first* frame out must be the
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viewport, because the server builds the snapshot at it.
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Everything in this file that is a *decision* rather than a paint now lives in
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`web/shell.js` — `socketUrl`, the `#status` composition, the watchdog, the
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extent arithmetic and `gridPlan` — so that `node --test` can reach it without a
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browser. The sections below describe those rules; the code is one file over.
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### Two transports, one client
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The wasm bundle is the SAME artifact either way (improvise-xks6: one envelope
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@@ -1074,6 +1079,11 @@ makes "frames that arrived before `start()` finished" an ordinary case of the
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same rule instead of a second code path with its own drain loop — and that loop
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had the race in it twice over, since `server` was set before it ran.
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The chaining itself is `web/serial.js::serialize`, which is promise plumbing and
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nothing else, so `web/tests/serial.test.js` can force the interleaving a browser
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cannot be asked to produce on demand — including the negative arm, which runs
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the same two handlers *without* the chain and shows them coming back swapped.
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**The document is named in the worker's own URL** — `new
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Worker('worker.js?doc=demo.improv')` — the analogue of the socket server naming
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it in the `ws://` path. It is deliberately not a `ClientFrame`: the envelope pair
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@@ -1099,12 +1109,13 @@ at all — no `package.json`, no runner, nothing in CI running a single line of
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the bug-first rule could not be honoured for a change to either. **PR #21
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declined to add regression tests for its close-listener fix on exactly that
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ground, and that decline is only honest because those assertions live here
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instead.** So **a change to `web/*.js` belongs in this spec directory**, not in a
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second ad-hoc surface beside it.
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instead.**
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Playwright rather than a headless-DOM runner because what goes wrong in these
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files is a real Worker, a real WebSocket, real OPFS and real event ordering, none
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of which a DOM shim has. It is deliberately small (improvise-vvl3): the point is
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of which a DOM shim has. That still holds, and it is why no shim was added; what
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changed is the **scope** — see the section below, which is now the answer to
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"where does a change to `web/*.js` belong". It is deliberately small (improvise-vvl3): the point is
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to be able to run `storage_contract` against `OpfsFs` and to read `#status` out
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of a real page, not to grow a second test framework beside `cargo test`. The
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server root is `harness/serve`, built by `build.sh` — the assembled site plus the
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@@ -1164,3 +1175,81 @@ is invisible to a document picker.
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`opfs_root`/`make_directory` exist only in the harness: `OpfsFs` has no directory
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vocabulary at all — it stores one flat entry per document — so making a directory,
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to check that `refresh` skips one, has to happen outside it.
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---
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## Where a change to `web/*.js` is tested
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**E2E and integration tests are rare and pin boundary contracts; unit tests
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assume those contracts and test between them.** (User ruling, 2026-09-20.) So
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the question is not "can this assertion be made cheaper" but "which boundary is
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it about", and the browser half has four:
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| boundary | the contract | where it is pinned |
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|---|---|---|
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| `RenderModel` → DOM | every field the render model projects reaches an element | `web/tests/render_surface.test.js` (statically) **and** `harness/tests/contract.spec.js` (on the screen) |
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| JS → wasm | the calls the page makes exist, with the arity the bundle declares, and their answers are painted | `web/tests/bundle/wasm_surface.test.js` (the surface) **and** `contract.spec.js`'s pointer test (the wiring) |
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| page → peer | the handshake goes out first, a frame is answered whole, and a failure is named | `harness/tests/shell.spec.js`, `harness/tests/drill.spec.js` |
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| worker → OPFS | `storage_contract`, run against a real `OpfsFs` | `harness/tests/opfs.spec.js` |
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Everything **between** those seams is `node --test web/tests`, and it may assume
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the boundary holds rather than re-establishing it: transport selection from
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`?ws=`, the two facts `#status` composes, the watchdog's arm and disarm, the
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`frameCost`/extent arithmetic, the collapse glyph, the grid's plan, and the
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worker's tail-promise ordering. None of it needs a DOM, so none of it is
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Playwright's.
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**The seam that makes this possible is `web/shell.js` and `web/serial.js`**:
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pure modules that **return a description** rather than take a DOM double.
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`gridPlan(model)` answers every question `gridTable` used to answer while it was
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creating elements — which row index a click carries when group headers are
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interleaved, what a group header spans, whether a `null` group label is a name,
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whether an empty edit buffer means an editor is open — and `app.js` is then a
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loop that creates elements from it. Painting stays untested by Node; the
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decision about *what* to paint stopped being untestable.
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### Why the four widgets were one bug
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The tile bar, the view list, the formula panel and the category sidebar
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ignoring `category_panel_open` were reported as four broken features and fixed
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as four. They were **one failure at one boundary**: a `RenderModel` field with
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no element painting it. Four per-feature specs cost four page loads and catch
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the fifth only if somebody writes a fifth spec; one assertion that *every*
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projected field is painted catches it by construction. That assertion is cheap
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enough to make twice, from different sides:
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- **`render_surface.test.js`** reads the `pub` fields off
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`improvise-wasm-client/src/render.rs` and requires each one to be read by
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`app.js` or `shell.js` — or named in `UNPAINTED` **with a reason**. It needs
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no browser, no bundle and no build, so it fails in seconds. The list is not
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an escape hatch: it is the debt, written down, and it currently holds
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`doc_name`/`doc_dirty`/`doc_stored_as` (improvise-5jna — the fifth instance,
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found by writing this test).
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- **`contract.spec.js`** drives the demo document into each state that fills a
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widget and asserts the element is *on the screen*. Node cannot see that, and
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the moment a reduction would have to weaken it, it stays here.
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What is deliberately **not** in Playwright any more is what each key or click
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*means*: `improvise_protocol::resolve` decides that and its tests are where the
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meaning is pinned. One instance of "a resolved change repaints" is kept, because
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the repaint is the boundary; the other seven were the same instance again.
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### Two numbers, and neither is the other
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Measured on one machine at `1af51c9` versus this branch, both on a private
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`IMPROVISE_HARNESS_PORT`:
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| suite | tests | execution | whole job |
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|---|---|---|---|
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| Playwright, before | 29 (+3 skipped) | 36.9s | ~4m30s in CI |
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| Playwright, after | 16 (+3 skipped) | 15.7s | ~4m30s in CI |
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| `node --test web/tests` | 26 | 0.11s | seconds |
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**Cutting Playwright tests barely moves the CI number**, because roughly four
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minutes of that job is three `wasm-pack` builds, `npm ci` and a browser
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download — not test execution. The feedback-time win is the `js` job, which
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needs **no Rust toolchain and no wasm bundle at all**, and that is a constraint
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rather than an accident: the moment a `web/tests/*.test.js` file needs
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`web/pkg/`, it inherits the four-minute build and the argument for it
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evaporates. That is why the one test that does need the bundle lives in
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`web/tests/bundle/` and runs in the browser job instead.
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@@ -862,6 +862,13 @@ at all would pass by moving neither.
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#### harness/tests/widgets.spec.js — the file's own scope
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**The file is gone; its subject is not.** All four widgets it named were one
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failure at one boundary — a `RenderModel` field with no element painting it —
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and that is now asserted once, from both sides, by
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`web/tests/render_surface.test.js` and `harness/tests/contract.spec.js`. What
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is *not* carried over is each key's meaning, which `improvise_protocol::resolve`
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decides and tests. Everything below is the history of the bug, and still true.
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A user reported three things as broken: "I can't expand categories, and the
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Tile + View UIs don't work." None of the three was a regression. Driving the
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assembled site under Chromium separated them, and the separation is the point:
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@@ -1047,6 +1054,13 @@ this one is only meaningful *because* its neighbours assert non-empty answers.
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#### harness/tests/pointer.spec.js — the file's own scope
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**The file is gone; one test carries it.** `contract.spec.js`'s "each clickable
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surface is wired to its own index" keeps what only a browser can say — the
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handler is on the element, it passes *that* element's index, and the answer is
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painted — against three surfaces. What each click *means* is
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`improvise_protocol::resolve`'s, and its tests are named below. The six tests'
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injection stands as recorded.
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The user's ruling on improvise-7ybz ("build it — one entry point per widget")
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and improvise-wsaw ("honour the flag"), executed in a real browser.
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@@ -1137,3 +1151,65 @@ That control is load-bearing and not decoration: a test asserting *nothing
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happened* passes against a page that has stopped listening, so it presses `i`
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afterwards and requires `#status` to change. Without that, this file would be
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folklore with a green tick.
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---
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## `web/tests/` — the Node suite, and what was injected into it
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No `###` headings here on purpose: `--check-evidence` resolves a heading to a
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Rust `fn`, and a JavaScript test name under one would read as an orphan. These
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are keyed by file.
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Every test below was proved able to fail by patching the code it names,
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checking the patch was on disk, running the suite and reading the failure —
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never by the absence of an error. Thirteen injections, thirteen failures:
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**`shell.test.js`** — `socketUrl` stops upgrading `ws://` on an https page;
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`composeStatus` returns the model fact alone (which fails five tests, because
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the watchdog's messages are shell facts and vanish with it); `fail()` stops
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clearing the timer, so the watchdog *pre-empts* rather than being disarmed —
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the bug PR #13 fixed and PR #21 half-lost; `extentOf` stops subtracting the
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frame; `frameCostOf` stops counting the column-group line.
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**`grid_plan.test.js`** — the data-row index is taken from the row's position
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in `rows`, so a group header consumes one (the click coordinate bug gotcha 1
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is about); the group label is tested for truthiness, so a group legitimately
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named `""` draws as "in no group"; `typing` is `Boolean(model.editing)`, so an
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empty edit buffer reads as no editor open.
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**`serial.test.js`** — the chain is replaced by `Promise.resolve().then(...)`,
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which is what an `async` listener does: the slow first frame is overtaken. The
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suite also keeps that fault as a *passing* test in its own right, asserting the
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unchained pair really does come back swapped, so the ordering test cannot be
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green for want of a race.
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**`render_surface.test.js`** — a `pub sparkline: String` added to `RenderModel`
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is reported unpainted; deleting `paintTiles` reports `tiles` unpainted; a
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`getElementById` that names an id `index.html` has not got is reported. The
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first is the shape of the bug the four widgets shared, and the list it checks
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against currently names `doc_name`/`doc_dirty`/`doc_stored_as` — improvise-5jna,
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which this test found rather than remembered.
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**`bundle/wasm_surface.test.js`** — `client.render_model()` renamed to
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`client.render_modal()` fails both its tests. It reads the generated `.d.ts`, so
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a missing bundle is an assertion failure and never a skip.
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**`web/assemble.sh`** — dropping `web/shell.js` from the copy list, with the
|
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page's own imports as the check. The first version of that guard anchored its
|
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`sed` at `^import`, so it could not see the **multi-line** import that is the
|
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only one it exists for, and the injection passed: the guard was written, landed,
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and blind. That is what the injection was for.
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|
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## `harness/tests/contract.spec.js` — eight injections into the served page
|
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|
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Patched in `harness/serve/app/app.js`, which is what the browser loads, so no
|
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rebuild stands between the fault and the run. The sidebar ignoring
|
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`category_panel_open`; the tile bar, view panel, formula panel and help overlay
|
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each never drawn; `click_cell` sending a constant row; `click_category` sending
|
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a constant index; and the typed buffer drawn without its caret. All eight fail.
|
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The last one did **not** fail at first: the test asserted the `typing` class and
|
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not the text, so a cell drawn blank passed. The assertion was strengthened until
|
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the injection failed, which is the only reason it is worth having — and it is
|
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the same lesson as the eleven tests above: a class is a flag, and a flag is not
|
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a pixel.
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@@ -19,7 +19,7 @@ export default defineConfig({
|
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trace: "retain-on-failure",
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},
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// Chromium + Firefox run the OPFS battery; WebKit has no OPFS at all and is
|
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// kept for the day it does. The shell spec is Chromium-only: clients.md.
|
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// kept for the day it does. Every other spec is Chromium-only: clients.md.
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projects: [
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{ name: "chromium", use: { ...devices["Desktop Chrome"] } },
|
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{
|
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|
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@@ -0,0 +1,161 @@
|
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// The RenderModel→DOM boundary and the pointer's half of the JS→wasm one: the
|
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// two contracts only a browser can establish. Why these and not more, and what
|
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// moved to `node --test web/tests`: context/code/clients.md.
|
||||
|
||||
import { test, expect } from "@playwright/test";
|
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|
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async function openApp(page) {
|
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await page.goto("/app/index.html");
|
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await expect(page.locator("#grid table")).toBeVisible({ timeout: 20_000 });
|
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await page.locator("#grid").focus();
|
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}
|
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|
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test.describe("every field the render model projects reaches the screen", () => {
|
||||
// The four widgets a user reported as "not working" — the tile bar, the view
|
||||
// list, the formula panel and the category sidebar ignoring its flag — were
|
||||
// ONE failure at this boundary: a projected field with no element painting
|
||||
// it. This is that contract, and it is what catches the fifth.
|
||||
test("the widgets the demo document fills are drawn, in the state that fills them", async ({
|
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page,
|
||||
}) => {
|
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await openApp(page);
|
||||
|
||||
// `rows`, `col_levels`, `row_levels`: the grid itself. web/demo.improv is
|
||||
// Product on row, _Measure on column (gotcha 46).
|
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await expect(page.locator("#grid thead th", { hasText: "Revenue" })).toBeVisible();
|
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await expect(page.locator("#grid tbody th").first()).toHaveText("Espresso");
|
||||
await expect(page.locator("#grid tbody td").first()).not.toHaveText("");
|
||||
|
||||
// `mode`, `hint`, `view_name`, `status`: the header's four facts.
|
||||
await expect(page.locator("#mode")).toHaveText("NORMAL");
|
||||
await expect(page.locator("#hint")).not.toHaveText("");
|
||||
await expect(page.locator("#view-name")).toHaveText("Plan");
|
||||
await expect(page.locator("#status")).toContainText("in-page worker");
|
||||
|
||||
// `tiles`: drawn on every frame, as the TUI draws them. The axis label is
|
||||
// `Axis::short_label` — "Pag", and "·" for None, an answer not a stub.
|
||||
await expect(page.locator("#tiles .tile")).toHaveCount(5);
|
||||
await expect(page.locator("#tiles .tile").filter({ hasText: "Product" })).toHaveText(
|
||||
"Product Row",
|
||||
);
|
||||
|
||||
// `categories` + `category_panel_open`: the flag is the client's answer,
|
||||
// and the sidebar was drawn always until it read it (improvise-wsaw).
|
||||
await expect(page.locator("#categories")).toBeHidden();
|
||||
await page.keyboard.press("Shift+C");
|
||||
await expect(page.locator("#categories")).toBeVisible();
|
||||
await expect(page.locator("#categories li").first()).toBeVisible();
|
||||
await page.keyboard.press("Shift+C");
|
||||
await expect(page.locator("#categories")).toBeHidden();
|
||||
|
||||
// `views`: empty unless open, so the page asks no question about the mode.
|
||||
await expect(page.locator("#views")).toBeHidden();
|
||||
await page.keyboard.press("Shift+V");
|
||||
await expect(page.locator("#views li")).toHaveCount(2);
|
||||
await expect(page.locator("#views li.active")).toContainText("Plan");
|
||||
// The axis line is the shared `view_axis_summary`; its absence would mean
|
||||
// a second derivation had crept in.
|
||||
await expect(page.locator("#views li").nth(0).locator(".axes")).toHaveText(
|
||||
"R:Product C:Quarter",
|
||||
);
|
||||
await page.keyboard.press("Escape");
|
||||
|
||||
// `formulas`: the third of `Panel::ALL`, on the same terms.
|
||||
await page.keyboard.press("Shift+F");
|
||||
await expect(page.locator("#formulas li")).toHaveText(["Profit = Revenue - Cost"]);
|
||||
await page.keyboard.press("Escape");
|
||||
|
||||
// `help`, `help_page`, `help_titles`: the rows and their keys are
|
||||
// `improvise_protocol::help`'s, the same ones the TUI draws.
|
||||
await expect(page.locator("#help")).toBeHidden();
|
||||
await page.keyboard.press("?");
|
||||
await expect(page.locator(".help-tab.active")).toHaveText("Welcome");
|
||||
await expect(page.locator(".help-body dt").first()).toBeVisible();
|
||||
await page.keyboard.press("l");
|
||||
await expect(page.locator(".help-tab.active")).toHaveText("Navigation");
|
||||
await page.keyboard.press("Escape");
|
||||
await expect(page.locator("#help")).toBeHidden();
|
||||
|
||||
// `editing`: what has been typed, drawn into the selected cell with a
|
||||
// caret. The decision that an editor is open is made in Rust.
|
||||
await page.keyboard.press("i");
|
||||
await expect(page.locator("#grid td.typing")).toHaveCount(1);
|
||||
// The class alone would pass against a cell drawn blank: what is on the
|
||||
// screen is the buffer AND the caret.
|
||||
await expect(page.locator("#grid td.typing")).toContainText("▏");
|
||||
await page.keyboard.press("Escape");
|
||||
await expect(page.locator("#grid td.typing")).toHaveCount(0);
|
||||
});
|
||||
|
||||
// The other half of the same contract: a change the client resolved must
|
||||
// reach the pixels, not merely the cache. One instance is enough — what
|
||||
// each key MEANS is `improvise_protocol::resolve`'s, and tested there.
|
||||
test("a resolved change repaints the widget it moved and the grid with it", async ({
|
||||
page,
|
||||
}) => {
|
||||
await openApp(page);
|
||||
const product = page.locator("#tiles .tile").filter({ hasText: "Product" });
|
||||
const rowHeaders = page.locator("#grid tbody th");
|
||||
await expect(rowHeaders).toHaveText(["Espresso", "Latte", "Cold Brew", "Pastry"]);
|
||||
|
||||
await page.keyboard.press("Shift+T");
|
||||
for (let i = 0; i < 3; i++) await page.keyboard.press("ArrowRight");
|
||||
await expect(product).toHaveClass(/selected/);
|
||||
await page.keyboard.press("c");
|
||||
|
||||
await expect(product).toHaveText("Product Col", { timeout: 10_000 });
|
||||
// The label alone would be the bar reporting an axis the document has not
|
||||
// got: the grid must have moved with it.
|
||||
await expect(
|
||||
page.locator("#grid thead th").filter({ hasText: "Espresso" }).first(),
|
||||
).toBeVisible();
|
||||
await expect(rowHeaders).not.toHaveText(["Espresso", "Latte", "Cold Brew", "Pastry"]);
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("a pointer event reaches the client and its answer is painted", () => {
|
||||
// improvise-7ybz. What a click MEANS is resolved in Rust and tested in
|
||||
// `improvise_protocol::resolve`; what this pins is the wiring — the handler
|
||||
// is on the element, it passes THAT element's index, and the result repaints.
|
||||
test("each clickable surface is wired to its own index", async ({ page }) => {
|
||||
await openApp(page);
|
||||
|
||||
// A grid cell: the coordinate is the data row, which group headers do not
|
||||
// consume — `gridPlan` counts it and `web/tests/grid_plan.test.js` pins it.
|
||||
const cells = page.locator("#grid tbody td");
|
||||
await expect(cells.nth(0)).toHaveClass(/selected/);
|
||||
await cells.nth(4).click();
|
||||
await page.keyboard.press("Escape");
|
||||
await expect(cells.nth(4)).toHaveClass(/selected/);
|
||||
await expect(page.locator("#grid tbody td.selected")).toHaveCount(1);
|
||||
// The cursor a click leaves is the one the keyboard moves from: one
|
||||
// cursor, two input paths.
|
||||
await page.keyboard.press("ArrowLeft");
|
||||
await expect(cells.nth(3)).toHaveClass(/selected/);
|
||||
|
||||
// A tile: selects and cycles, because a click is the whole interaction.
|
||||
const product = page.locator("#tiles .tile").filter({ hasText: "Product" });
|
||||
await product.click();
|
||||
await expect(page.locator("#mode")).toHaveText("TILES");
|
||||
await expect(product).toHaveClass(/selected/);
|
||||
await expect(product).toHaveText("Product Col", { timeout: 10_000 });
|
||||
await page.keyboard.press("Escape");
|
||||
|
||||
// A category row: focuses the panel, moves its cursor and activates the
|
||||
// row — three things from one click, and the index must be the row's own.
|
||||
await page.keyboard.press("Shift+C");
|
||||
await expect(page.locator("#categories")).toBeVisible();
|
||||
await page.keyboard.press("Escape");
|
||||
const productRow = page.locator("#categories li").filter({ hasText: "Product" });
|
||||
await expect(page.locator("#categories li.selected")).toHaveText(/_Index/);
|
||||
await productRow.click();
|
||||
await expect(page.locator("#mode")).toHaveText("CATEGORIES");
|
||||
await expect(page.locator("#categories li.selected")).toHaveText(/Product/);
|
||||
await expect(page.locator("#categories li.item")).toHaveText([
|
||||
"Espresso",
|
||||
"Latte",
|
||||
"Cold Brew",
|
||||
"Pastry",
|
||||
]);
|
||||
});
|
||||
});
|
||||
@@ -1,140 +0,0 @@
|
||||
// The pointer: improvise-7ybz (a click resolves in Rust) and improvise-wsaw
|
||||
// (the sidebar obeys its flag). History: context/test-evidence/clients.md.
|
||||
|
||||
import { test, expect } from "@playwright/test";
|
||||
|
||||
async function openApp(page) {
|
||||
await page.goto("/app/index.html");
|
||||
await expect(page.locator("#grid table")).toBeVisible({ timeout: 20_000 });
|
||||
await page.locator("#grid").focus();
|
||||
}
|
||||
|
||||
/// Open the category panel the way a user does, and leave the keyboard in
|
||||
/// Normal — so a later click has a focus change to make.
|
||||
async function openPanelThenLeave(page) {
|
||||
await page.keyboard.press("Shift+C");
|
||||
await expect(page.locator("#categories")).toBeVisible();
|
||||
await page.keyboard.press("Escape");
|
||||
await expect(page.locator("#mode")).toHaveText("NORMAL");
|
||||
await expect(page.locator("#categories")).toBeVisible();
|
||||
}
|
||||
|
||||
test.describe("the category sidebar obeys category_panel_open", () => {
|
||||
// improvise-wsaw. The flag existed from the start and app.js never read it,
|
||||
// so the sidebar was drawn always and `C` changed only the mode label.
|
||||
test("the sidebar is hidden until C, and C hides it again", async ({ page }) => {
|
||||
await openApp(page);
|
||||
await expect(page.locator("#categories")).toBeHidden();
|
||||
|
||||
await page.keyboard.press("Shift+C");
|
||||
await expect(page.locator("#categories")).toBeVisible();
|
||||
await expect(page.locator("#mode")).toHaveText("CATEGORIES");
|
||||
await expect(page.locator("#categories li").first()).toBeVisible();
|
||||
|
||||
// The same key closes it, because `toggle-panel-and-focus` closes only
|
||||
// when the panel is already both open AND focused.
|
||||
await page.keyboard.press("Shift+C");
|
||||
await expect(page.locator("#categories")).toBeHidden();
|
||||
await expect(page.locator("#mode")).toHaveText("NORMAL");
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("clicking the category panel", () => {
|
||||
// improvise-7ybz. One click means three things — focus the panel, move its
|
||||
// cursor, activate the row — and all three are resolved in Rust.
|
||||
test("a click focuses the panel, moves the cursor and expands the row", async ({
|
||||
page,
|
||||
}) => {
|
||||
await openApp(page);
|
||||
await openPanelThenLeave(page);
|
||||
|
||||
const product = page.locator("#categories li").filter({ hasText: "Product" });
|
||||
await expect(product).toHaveText(/▶ Product \(4\)/);
|
||||
await expect(page.locator("#categories li.selected")).toHaveText(/_Index/);
|
||||
|
||||
await product.click();
|
||||
|
||||
// All three, and the third is what the user reported as impossible.
|
||||
await expect(page.locator("#mode")).toHaveText("CATEGORIES");
|
||||
await expect(page.locator("#categories li.selected")).toHaveText(/Product/);
|
||||
await expect(product).toHaveText(/▼ Product \(4\)/);
|
||||
await expect(page.locator("#categories li.item")).toHaveText([
|
||||
"Espresso",
|
||||
"Latte",
|
||||
"Cold Brew",
|
||||
"Pastry",
|
||||
]);
|
||||
|
||||
// Clicking it again collapses: the click mirrors Enter, which is a toggle.
|
||||
await product.click();
|
||||
await expect(page.locator("#categories li.item")).toHaveCount(0);
|
||||
});
|
||||
|
||||
// The other arm of `filter-to-item`: on an ITEM row the same click filters,
|
||||
// because the rule is "do what Enter does here" rather than "expand".
|
||||
test("a click on an item row filters, as Enter does", async ({ page }) => {
|
||||
await openApp(page);
|
||||
await openPanelThenLeave(page);
|
||||
|
||||
await page.locator("#categories li").filter({ hasText: "Product" }).click();
|
||||
await page.locator("#categories li.item").filter({ hasText: "Latte" }).click();
|
||||
|
||||
await expect(page.locator("#status")).toContainText("Filter: Product = Latte");
|
||||
await expect(page.locator("#categories li.selected")).toHaveText("Latte");
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("clicking a tile", () => {
|
||||
// The tile bar is keyboard-reachable only through `T` plus arrows; a click
|
||||
// is the whole interaction, so it selects AND cycles.
|
||||
test("a click selects the tile and cycles its axis", async ({ page }) => {
|
||||
await openApp(page);
|
||||
const product = page.locator("#tiles .tile").filter({ hasText: "Product" });
|
||||
await expect(product).toHaveText("Product Row");
|
||||
|
||||
await product.click();
|
||||
|
||||
await expect(page.locator("#mode")).toHaveText("TILES");
|
||||
await expect(product).toHaveClass(/selected/);
|
||||
// Row → Column is `Axis::next`; the page does not spell the rotation.
|
||||
await expect(product).toHaveText("Product Col", { timeout: 10_000 });
|
||||
// And the grid moved with it, not just the label.
|
||||
await expect(
|
||||
page.locator("#grid thead th").filter({ hasText: "Espresso" }).first(),
|
||||
).toBeVisible();
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("clicking a grid cell", () => {
|
||||
// Before improvise-7ybz a click reached only `edit()`, so the selection —
|
||||
// which every keyboard command reads — stayed wherever it had been.
|
||||
test("a click moves the selection, not only the editor", async ({ page }) => {
|
||||
await openApp(page);
|
||||
const cells = page.locator("#grid tbody td");
|
||||
// The cursor starts at the origin, so any other cell is a real move.
|
||||
await expect(cells.nth(0)).toHaveClass(/selected/);
|
||||
|
||||
await cells.nth(4).click();
|
||||
// demo.improv is all Records, so the click also opened an editor; close it
|
||||
// without committing and the selection must have followed the pointer.
|
||||
await page.keyboard.press("Escape");
|
||||
|
||||
await expect(cells.nth(4)).toHaveClass(/selected/);
|
||||
await expect(page.locator("#grid tbody td.selected")).toHaveCount(1);
|
||||
});
|
||||
|
||||
// The selection a click leaves is the one the keyboard then moves from —
|
||||
// the property that makes the two input paths one cursor rather than two.
|
||||
test("the keyboard continues from where the pointer left the cursor", async ({
|
||||
page,
|
||||
}) => {
|
||||
await openApp(page);
|
||||
const cells = page.locator("#grid tbody td");
|
||||
await cells.nth(4).click();
|
||||
await page.keyboard.press("Escape");
|
||||
await expect(cells.nth(4)).toHaveClass(/selected/);
|
||||
|
||||
await page.keyboard.press("ArrowLeft");
|
||||
await expect(cells.nth(3)).toHaveClass(/selected/);
|
||||
});
|
||||
});
|
||||
+20
-79
@@ -1,29 +1,20 @@
|
||||
// The browser shell: the three assertions improvise-hwpi could not write, plus
|
||||
// the watchdog. The history is in context/test-evidence/clients.md.
|
||||
// The page↔peer boundary: the handshake, a frame answered whole, and what the
|
||||
// page says when a peer fails. What the arm/disarm RULE is, and every other
|
||||
// decision between these seams, is `node --test web/tests` — clients.md.
|
||||
|
||||
import { test, expect } from "@playwright/test";
|
||||
|
||||
const status = (page) => page.locator("#status");
|
||||
|
||||
/// A peer that accepts the TCP connection and then refuses the WebSocket
|
||||
/// upgrade — deterministic where a closed port is not (evidence file).
|
||||
const NO_WEBSOCKET_HERE = "127.0.0.1:8099";
|
||||
const json = (v) => JSON.stringify(v);
|
||||
/// upgrade — deterministic where a closed port is not (evidence file). It is
|
||||
/// the harness's OWN server, so it follows the port the config chose.
|
||||
const NO_WEBSOCKET_HERE = `127.0.0.1:${process.env.IMPROVISE_HARNESS_PORT ?? "8099"}`;
|
||||
|
||||
/// `web/app.js`'s own HANDSHAKE_TIMEOUT_MS. Two tests have to outlast it, and a
|
||||
/// `web/app.js`'s own HANDSHAKE_TIMEOUT_MS. One test has to outlast it, and a
|
||||
/// number that silently disagreed with the page would pass for the wrong reason.
|
||||
const HANDSHAKE_TIMEOUT_MS = 8_000;
|
||||
|
||||
/// Record every distinct #status the page shows, not just the last one: several
|
||||
/// of these are about a message being REPLACED.
|
||||
function logStatus() {
|
||||
window.__statusLog = [];
|
||||
new MutationObserver(() => {
|
||||
const text = document.getElementById("status")?.textContent ?? "";
|
||||
if (text && window.__statusLog.at(-1) !== text) window.__statusLog.push(text);
|
||||
}).observe(document, { childList: true, subtree: true, characterData: true });
|
||||
}
|
||||
|
||||
test.describe("the shell reports what its peer is doing", () => {
|
||||
// improvise-hwpi. The fault is injected at the *peer*, not in the page, so
|
||||
// this exercises the real `on_frame` and the real catch.
|
||||
@@ -35,31 +26,15 @@ test.describe("the shell reports what its peer is doing", () => {
|
||||
await expect(status(page)).toContainText("bad frame", { timeout: 15_000 });
|
||||
});
|
||||
|
||||
// improvise-hwpi, plus the watchdog half on the same page load because it
|
||||
// needs the same nine-second wait. See the evidence file.
|
||||
test("a peer that cannot be reached is named, and the watchdog stays out of it", async ({
|
||||
// A socket that never opened did not "disconnect" (improvise-taxx): nothing
|
||||
// on the close event can discriminate, so the page records `opened` itself.
|
||||
// That it then STAYS is the watchdog's disarming, which is Node's now.
|
||||
test("a peer that cannot be reached is named, and one that dropped is not confused with it", async ({
|
||||
page,
|
||||
}) => {
|
||||
await page.addInitScript(logStatus);
|
||||
await page.goto(`/app/index.html?ws=${NO_WEBSOCKET_HERE}`);
|
||||
await expect(status(page)).not.toHaveText("", { timeout: 15_000 });
|
||||
await page.waitForTimeout(HANDSHAKE_TIMEOUT_MS + 1_000);
|
||||
await expect(status(page)).toContainText("cannot reach", { timeout: 15_000 });
|
||||
|
||||
const log = await page.evaluate(() => window.__statusLog);
|
||||
expect(log.some((t) => t.includes("cannot reach")), `#status said: ${json(log)}`).toBe(
|
||||
true,
|
||||
);
|
||||
expect(log.some((t) => t.includes("sent no document")), `#status said: ${json(log)}`).toBe(
|
||||
false,
|
||||
);
|
||||
});
|
||||
|
||||
// The other arm, which must keep working when the first is fixed. It runs
|
||||
// past HANDSHAKE_TIMEOUT_MS on purpose — see the evidence file.
|
||||
test("a socket that opened and then dropped reads as disconnected, and stays that way", async ({
|
||||
page,
|
||||
}) => {
|
||||
await page.addInitScript(logStatus);
|
||||
// Closes on the page's first frame, so "it opened first" is true by
|
||||
// construction rather than by timer.
|
||||
await page.routeWebSocket("ws://127.0.0.1:8790/", (ws) => {
|
||||
@@ -68,28 +43,19 @@ test.describe("the shell reports what its peer is doing", () => {
|
||||
await page.goto("/app/index.html?ws=127.0.0.1:8790");
|
||||
await expect(status(page)).toContainText("connected", { timeout: 15_000 });
|
||||
await expect(status(page)).toContainText("disconnected", { timeout: 15_000 });
|
||||
|
||||
// Outlast the watchdog it was armed against, with margin.
|
||||
await page.waitForTimeout(HANDSHAKE_TIMEOUT_MS + 2_000);
|
||||
await expect(status(page)).toContainText("disconnected");
|
||||
|
||||
const log = await page.evaluate(() => window.__statusLog);
|
||||
expect(log.some((t) => t.includes("sent no document")), `#status said: ${json(log)}`).toBe(
|
||||
false,
|
||||
);
|
||||
});
|
||||
|
||||
// Two bugs this file once described as live, one of which never existed in
|
||||
// the merged tree: context/test-evidence/clients.md keeps that history.
|
||||
|
||||
// The first-frame watchdog, found by reading: no per-transport check would
|
||||
// catch it. The mock accepts the connection and never answers.
|
||||
// The one assertion that needs the real timer: that the watchdog is ARMED
|
||||
// after the handshake goes out. What it then says, and that a loud failure
|
||||
// disarms it, are unit tests. The mock accepts and never answers.
|
||||
test("a peer that accepts and then says nothing trips the watchdog", async ({
|
||||
page,
|
||||
}) => {
|
||||
await page.routeWebSocket("ws://127.0.0.1:8788/", () => {});
|
||||
await page.goto("/app/index.html?ws=127.0.0.1:8788");
|
||||
await expect(status(page)).toContainText("sent no document", { timeout: 20_000 });
|
||||
await expect(status(page)).toContainText("sent no document", {
|
||||
timeout: HANDSHAKE_TIMEOUT_MS + 12_000,
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
@@ -100,13 +66,11 @@ test.describe("the standalone deployment", () => {
|
||||
await page.goto("/app/index.html");
|
||||
await expect(page.locator("#grid table")).toBeVisible({ timeout: 20_000 });
|
||||
await expect(status(page)).toContainText("in-page worker");
|
||||
// web/demo.improv: Product on row, _Measure on column (gotcha 46).
|
||||
await expect(page.locator("#grid th", { hasText: "Revenue" })).toBeVisible();
|
||||
await expect(page.locator("#grid td.editable").first()).toBeVisible();
|
||||
});
|
||||
|
||||
// What lands on screen is the HOST's value, not the string typed. What this
|
||||
// deliberately does NOT cover: context/test-evidence/clients.md.
|
||||
// What lands on screen is the HOST's value, not the string typed — the
|
||||
// round trip through a real worker, which no unit test can stand in for.
|
||||
test("committing an edit sends one frame and shows the host's value", async ({
|
||||
page,
|
||||
}) => {
|
||||
@@ -128,26 +92,3 @@ test.describe("the standalone deployment", () => {
|
||||
await expect(page.locator("#grid input")).toHaveCount(0);
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("the help overlay", () => {
|
||||
// improvise-ktv1. `?` has entered AppMode::Help in the browser since the
|
||||
// keymap was shared; what was missing was anything to draw.
|
||||
test("? opens help, and its rows are the shared ones", async ({ page }) => {
|
||||
await page.goto("/app/index.html");
|
||||
await expect(page.locator("#grid table")).toBeVisible({ timeout: 20_000 });
|
||||
await expect(page.locator("#help")).toBeHidden();
|
||||
|
||||
await page.locator("#grid").focus();
|
||||
await page.keyboard.press("?");
|
||||
await expect(page.locator("#help")).toBeVisible({ timeout: 10_000 });
|
||||
// A title from improvise_protocol::help::pages(), and a keys row whose
|
||||
// key came off the keymap rather than out of the page.
|
||||
await expect(page.locator(".help-tab.active")).toHaveText("Welcome");
|
||||
await page.keyboard.press("l");
|
||||
await expect(page.locator(".help-tab.active")).toHaveText("Navigation");
|
||||
await expect(page.locator(".help-body dt").first()).toBeVisible();
|
||||
|
||||
await page.keyboard.press("Escape");
|
||||
await expect(page.locator("#help")).toBeHidden();
|
||||
});
|
||||
});
|
||||
|
||||
@@ -1,142 +0,0 @@
|
||||
// The three widgets a user reported as "not working": the category panel's
|
||||
// expand, the tile bar and the view list. History: context/test-evidence/clients.md.
|
||||
|
||||
import { test, expect } from "@playwright/test";
|
||||
|
||||
/// Open the demo document and put the keyboard where the page listens.
|
||||
async function openApp(page) {
|
||||
await page.goto("/app/index.html");
|
||||
await expect(page.locator("#grid table")).toBeVisible({ timeout: 20_000 });
|
||||
await page.locator("#grid").focus();
|
||||
}
|
||||
|
||||
test.describe("the category panel", () => {
|
||||
// Expanding is resolved client-side and has always worked by KEYBOARD; the
|
||||
// panel is nevertheless the one of the three that has DOM, so this pins it.
|
||||
test("Enter on a category header reveals its items", async ({ page }) => {
|
||||
await openApp(page);
|
||||
const rows = page.locator("#categories li");
|
||||
|
||||
await page.keyboard.press("Shift+C");
|
||||
await expect(page.locator("#mode")).toHaveText("CATEGORIES");
|
||||
// web/demo.improv: _Index, _Dim, _Measure, Product, Quarter. Product is
|
||||
// the first with items a user would recognise. The glyphs are
|
||||
// `indicator()`'s, which is the page's ONE spelling and the TUI's too.
|
||||
for (let i = 0; i < 3; i++) await page.keyboard.press("j");
|
||||
await expect(rows.filter({ hasText: "Product" })).toHaveText(/▶ Product \(4\)/);
|
||||
|
||||
await page.keyboard.press("Enter");
|
||||
await expect(rows.filter({ hasText: "Product" })).toHaveText(/▼ Product \(4\)/);
|
||||
await expect(page.locator("#categories li.item")).toHaveText([
|
||||
"Espresso",
|
||||
"Latte",
|
||||
"Cold Brew",
|
||||
"Pastry",
|
||||
]);
|
||||
|
||||
await page.keyboard.press("Enter");
|
||||
await expect(page.locator("#categories li.item")).toHaveCount(0);
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("the tile bar", () => {
|
||||
// Nothing was DRAWN: TileBarCache was folded, `T` entered the mode and the
|
||||
// axis keys reached the host, with no tile bar on screen to aim them at.
|
||||
test("the tiles are drawn, and tile-select moves a visible cursor", async ({
|
||||
page,
|
||||
}) => {
|
||||
await openApp(page);
|
||||
const tiles = page.locator("#tiles .tile");
|
||||
await expect(tiles).toHaveCount(5);
|
||||
// Axis labels are `Axis::short_label`: three columns, so Page is "Pag",
|
||||
// and None is "·" — an answer rather than a truncation (gotcha 26).
|
||||
await expect(tiles.filter({ hasText: "Product" })).toHaveText("Product Row");
|
||||
await expect(tiles.filter({ hasText: "Quarter" })).toHaveText("Quarter Pag");
|
||||
await expect(tiles.filter({ hasText: "_Index" })).toHaveText("_Index ·");
|
||||
|
||||
// Out of tile select nothing is highlighted, as the TUI's widget decides.
|
||||
await expect(page.locator("#tiles .tile.selected")).toHaveCount(0);
|
||||
|
||||
await page.keyboard.press("Shift+T");
|
||||
await expect(page.locator("#mode")).toHaveText("TILES");
|
||||
await expect(tiles.nth(0)).toHaveClass(/selected/);
|
||||
await page.keyboard.press("ArrowRight");
|
||||
await expect(tiles.nth(1)).toHaveClass(/selected/);
|
||||
await expect(page.locator("#tiles .tile.selected")).toHaveCount(1);
|
||||
});
|
||||
|
||||
// The axis change was reaching the host all along; what it could not do was
|
||||
// show the result. Setting Product to Column must redraw the tile AND the grid.
|
||||
test("setting a tile's axis is visible in the bar it was aimed at", async ({
|
||||
page,
|
||||
}) => {
|
||||
await openApp(page);
|
||||
const product = page.locator("#tiles .tile").filter({ hasText: "Product" });
|
||||
await expect(product).toHaveText("Product Row");
|
||||
|
||||
await page.keyboard.press("Shift+T");
|
||||
for (let i = 0; i < 3; i++) await page.keyboard.press("ArrowRight");
|
||||
await expect(product).toHaveClass(/selected/);
|
||||
// Product's four items are the grid's ROW headers to begin with.
|
||||
const rowHeaders = page.locator("#grid tbody th");
|
||||
await expect(rowHeaders).toHaveText(["Espresso", "Latte", "Cold Brew", "Pastry"]);
|
||||
|
||||
await page.keyboard.press("c");
|
||||
await expect(product).toHaveText("Product Col", { timeout: 10_000 });
|
||||
// The tile label is not the point on its own: the grid must have moved
|
||||
// too, or the bar would be reporting an axis the document does not have.
|
||||
// `.first()`: Product now shares the column axis with _Measure, so the
|
||||
// label appears once per header level. That it appears at all is the point.
|
||||
await expect(
|
||||
page.locator("#grid thead th").filter({ hasText: "Espresso" }).first(),
|
||||
).toBeVisible();
|
||||
await expect(rowHeaders).not.toHaveText(["Espresso", "Latte", "Cold Brew", "Pastry"]);
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("the view panel", () => {
|
||||
// Nothing was DRAWN: ViewListCache held both views and `V` entered ViewPanel
|
||||
// mode, so Enter switched views off a cursor the user could not see.
|
||||
test("V lists the views, marks the active one, and Enter switches", async ({
|
||||
page,
|
||||
}) => {
|
||||
await openApp(page);
|
||||
await expect(page.locator("#views")).toBeHidden();
|
||||
await expect(page.locator("#view-name")).toHaveText("Plan");
|
||||
|
||||
await page.keyboard.press("Shift+V");
|
||||
await expect(page.locator("#mode")).toHaveText("VIEWS");
|
||||
await expect(page.locator("#views")).toBeVisible();
|
||||
// web/demo.improv carries two views; the axis line is the shared
|
||||
// `view_axis_summary`, so its absence would be a second derivation.
|
||||
await expect(page.locator("#views li")).toHaveCount(2);
|
||||
await expect(page.locator("#views li").nth(0)).toContainText("Default");
|
||||
await expect(page.locator("#views li").nth(0).locator(".axes")).toHaveText(
|
||||
"R:Product C:Quarter",
|
||||
);
|
||||
await expect(page.locator("#views li.active")).toContainText("Plan");
|
||||
await expect(page.locator("#views li.selected")).toContainText("Default");
|
||||
|
||||
await page.keyboard.press("Enter");
|
||||
await expect(page.locator("#view-name")).toHaveText("Default", { timeout: 10_000 });
|
||||
// Switching returns to Normal but leaves the panel OPEN, exactly as
|
||||
// `src/draw.rs` keeps drawing it off `view_panel_open` alone. The active
|
||||
// marker is what must move, and it is the fact the list exists to carry.
|
||||
await expect(page.locator("#mode")).toHaveText("NORMAL");
|
||||
await expect(page.locator("#views")).toBeVisible();
|
||||
await expect(page.locator("#views li.active")).toContainText("Default");
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("the formula panel", () => {
|
||||
// The third of `Panel::ALL`, equally undrawn and fixed by the same mechanism.
|
||||
test("F lists the document's formulas", async ({ page }) => {
|
||||
await openApp(page);
|
||||
await expect(page.locator("#formulas")).toBeHidden();
|
||||
|
||||
await page.keyboard.press("Shift+F");
|
||||
await expect(page.locator("#mode")).toHaveText("FORMULAS");
|
||||
await expect(page.locator("#formulas li")).toHaveText(["Profit = Revenue - Cost"]);
|
||||
await expect(page.locator("#formulas li.selected")).toHaveCount(1);
|
||||
});
|
||||
});
|
||||
+61
-117
@@ -2,30 +2,26 @@
|
||||
// string calls, no protocol knowledge. See context/code/clients.md.
|
||||
|
||||
import init, { Client } from "./pkg/improvise_wasm_client.js";
|
||||
import {
|
||||
COL_PX,
|
||||
ROW_PX,
|
||||
createShell,
|
||||
extentOf,
|
||||
frameCostOf,
|
||||
gridPlan,
|
||||
indicator,
|
||||
socketUrl,
|
||||
} from "./shell.js";
|
||||
|
||||
const params = new URLSearchParams(location.search);
|
||||
// present => socket, absent => in-page worker. The value is a host:port, and
|
||||
// the scheme is NOT the caller's to get wrong: see `socketUrl`.
|
||||
const WS_PEER = params.get("ws");
|
||||
|
||||
/** The websocket URL for `?ws=`, defaulting to TLS. Why, and when an explicit
|
||||
* `ws://` is upgraded rather than honoured: context/code/clients.md. */
|
||||
function socketUrl(peer) {
|
||||
const secure = location.protocol === "https:";
|
||||
if (/^wss:\/\//i.test(peer)) return peer;
|
||||
if (/^ws:\/\//i.test(peer)) return secure ? peer.replace(/^ws:/i, "wss:") : peer;
|
||||
return `${secure ? "wss" : "ws"}://${peer}`;
|
||||
}
|
||||
|
||||
const WS_URL = WS_PEER ? socketUrl(WS_PEER) : null;
|
||||
const WS_URL = WS_PEER ? socketUrl(WS_PEER, location.protocol) : null;
|
||||
const DOC = params.get("doc") ?? "demo.improv";
|
||||
const SEED = params.get("seed") ?? "demo.improv";
|
||||
|
||||
// Rough character metrics, used only to turn the window size into an extent.
|
||||
// Being wrong here costs a row of over- or under-fetch, nothing more.
|
||||
const ROW_PX = 26;
|
||||
const COL_PX = 110;
|
||||
|
||||
const el = {
|
||||
grid: document.getElementById("grid"),
|
||||
categories: document.getElementById("categories"),
|
||||
@@ -42,64 +38,38 @@ const el = {
|
||||
await init();
|
||||
const client = new Client();
|
||||
|
||||
// `#status` carries two independent facts, composed rather than overwritten:
|
||||
// a repaint must not quietly erase a connection error.
|
||||
let shellStatus = "";
|
||||
let modelStatus = "";
|
||||
function paintStatus() {
|
||||
el.status.textContent = [shellStatus, modelStatus].filter(Boolean).join(" · ");
|
||||
}
|
||||
function setShellStatus(text) {
|
||||
shellStatus = text;
|
||||
paintStatus();
|
||||
}
|
||||
// A peer that never answers the handshake, and the two facts `#status` shows.
|
||||
// Both are decided in shell.js; this is the wire to the element.
|
||||
const HANDSHAKE_TIMEOUT_MS = 8000;
|
||||
const shell = createShell({
|
||||
onStatus: (text) => {
|
||||
el.status.textContent = text;
|
||||
},
|
||||
timeoutMs: HANDSHAKE_TIMEOUT_MS,
|
||||
});
|
||||
|
||||
// What the grid's own frame costs, in whole cells, as of the last repaint —
|
||||
// measured off the painted model, never predicted. context/code/clients.md.
|
||||
let frameCost = { rows: 1, cols: 1 };
|
||||
|
||||
/** The extent this window can show, in whole DATA cells. */
|
||||
function extent() {
|
||||
const box = el.grid.getBoundingClientRect();
|
||||
return {
|
||||
rows: Math.max(1, Math.floor(box.height / ROW_PX) - frameCost.rows),
|
||||
cols: Math.max(1, Math.floor(box.width / COL_PX) - frameCost.cols),
|
||||
};
|
||||
}
|
||||
|
||||
function sendViewport() {
|
||||
const { rows, cols } = extent();
|
||||
const box = el.grid.getBoundingClientRect();
|
||||
const metrics = { rowPx: ROW_PX, colPx: COL_PX };
|
||||
const { rows, cols } = extentOf(box, frameCost, metrics);
|
||||
// `client.set_viewport`, NOT the associated `Client.viewport`: the same
|
||||
// frame, but it also RECORDS the window. Why that matters: clients.md.
|
||||
transport.send(client.set_viewport(rows, cols));
|
||||
}
|
||||
|
||||
// A peer that never answers the handshake. Deliberately about the *first
|
||||
// frame*, not either peer's own failure modes — context/code/clients.md.
|
||||
const HANDSHAKE_TIMEOUT_MS = 8000;
|
||||
let watchdog = null;
|
||||
function armWatchdog(message) {
|
||||
clearTimeout(watchdog);
|
||||
watchdog = setTimeout(() => setShellStatus(message), HANDSHAKE_TIMEOUT_MS);
|
||||
}
|
||||
|
||||
// A peer that failed *loudly* has already said something more precise, so the
|
||||
// watchdog must be DISARMED and not merely pre-empted (PR #13 review).
|
||||
function setShellFailure(text) {
|
||||
clearTimeout(watchdog);
|
||||
watchdog = null;
|
||||
setShellStatus(text);
|
||||
}
|
||||
|
||||
/** One frame, one fold, in arrival order. Never batch or reorder these. */
|
||||
function onFrame(text) {
|
||||
clearTimeout(watchdog);
|
||||
shell.sawFrame();
|
||||
try {
|
||||
client.on_frame(text);
|
||||
} catch (err) {
|
||||
// `on_frame` returns a Result, which wasm-bindgen throws; thrown in a bare
|
||||
// listener it reached the console alone and the grid just stopped.
|
||||
setShellStatus("bad frame — the grid has stopped updating (see console)");
|
||||
shell.setShell("bad frame — the grid has stopped updating (see console)");
|
||||
console.error("improvise: frame rejected", text, err);
|
||||
return;
|
||||
}
|
||||
@@ -116,13 +86,13 @@ function workerTransport() {
|
||||
const worker = new Worker(`./worker.js?${query}`, { type: "module" });
|
||||
worker.addEventListener("message", (event) => onFrame(event.data));
|
||||
worker.addEventListener("messageerror", () =>
|
||||
setShellFailure("the worker sent a frame this page could not read"),
|
||||
shell.fail("the worker sent a frame this page could not read"),
|
||||
);
|
||||
worker.addEventListener("error", (event) => {
|
||||
setShellFailure(`worker failed to start: ${event.message ?? "see console"}`);
|
||||
shell.fail(`worker failed to start: ${event.message ?? "see console"}`);
|
||||
console.error("improvise: worker error", event);
|
||||
});
|
||||
setShellStatus(`in-page worker · ${DOC}`);
|
||||
shell.setShell(`in-page worker · ${DOC}`);
|
||||
// Frames posted before the worker has finished `start()` are held by
|
||||
// worker.js in arrival order, so the handshake can go out immediately.
|
||||
return { send: (text) => worker.postMessage(text), ready: Promise.resolve() };
|
||||
@@ -138,20 +108,20 @@ function socketTransport() {
|
||||
const ready = new Promise((resolve) => {
|
||||
socket.addEventListener("open", () => {
|
||||
opened = true;
|
||||
setShellStatus(`connected · ${WS_URL}`);
|
||||
shell.setShell(`connected · ${WS_URL}`);
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
socket.addEventListener("message", (event) => onFrame(event.data));
|
||||
// Without this, a connection that never opens left #status blank and
|
||||
// "server not running" read exactly like "still connecting".
|
||||
socket.addEventListener("error", () => setShellFailure(unreachable));
|
||||
socket.addEventListener("error", () => shell.fail(unreachable));
|
||||
// A socket that never opened did not "disconnect" (improvise-taxx). BOTH arms
|
||||
// route through `setShellFailure`, which disarms the watchdog — clients.md.
|
||||
// route through `shell.fail`, which disarms the watchdog — clients.md.
|
||||
socket.addEventListener("close", () =>
|
||||
setShellFailure(opened ? "disconnected" : unreachable),
|
||||
shell.fail(opened ? "disconnected" : unreachable),
|
||||
);
|
||||
setShellStatus(`connecting to ${WS_URL}…`);
|
||||
shell.setShell(`connecting to ${WS_URL}…`);
|
||||
return {
|
||||
send: (text) => {
|
||||
if (socket.readyState === WebSocket.OPEN) socket.send(text);
|
||||
@@ -173,7 +143,7 @@ function repaint() {
|
||||
try {
|
||||
model = JSON.parse(client.render_model());
|
||||
} catch (err) {
|
||||
setShellStatus("cannot render the current state (see console)");
|
||||
shell.setShell("cannot render the current state (see console)");
|
||||
console.error("improvise: render failed", err);
|
||||
return;
|
||||
}
|
||||
@@ -185,8 +155,7 @@ function repaint() {
|
||||
// itself; see `RenderModel::hint`.
|
||||
el.hint.textContent = model.hint;
|
||||
paintHelp(model);
|
||||
modelStatus = model.status;
|
||||
paintStatus();
|
||||
shell.setModel(model.status);
|
||||
el.viewName.textContent = model.view_name;
|
||||
el.grid.replaceChildren(gridTable(model));
|
||||
// The flag is the client's answer, not the page's: `C` toggles it and the
|
||||
@@ -199,10 +168,7 @@ function repaint() {
|
||||
|
||||
// What the frame costs, so the NEXT viewport announcement is honest.
|
||||
// Inline group ROWS are deliberately NOT counted — context/code/clients.md.
|
||||
const next = {
|
||||
rows: model.col_levels.length + (model.col_groups.length > 0 ? 1 : 0),
|
||||
cols: model.row_levels,
|
||||
};
|
||||
const next = frameCostOf(model);
|
||||
const changed = next.rows !== frameCost.rows || next.cols !== frameCost.cols;
|
||||
frameCost = next;
|
||||
if (changed) sendViewport();
|
||||
@@ -247,32 +213,30 @@ function paintHelp(model) {
|
||||
el.help.replaceChildren(tabs, body);
|
||||
}
|
||||
|
||||
/** The grid, painted from a model in which every frame decision is already
|
||||
* made (improvise-anr9). The page decides nothing here: which labels repeat
|
||||
* and are therefore blank, how many header levels there are, which columns
|
||||
* share a group and whether it is collapsed all arrive answered, by the same
|
||||
* `AxisFrame` the TUI widget reads. */
|
||||
/** The grid, painted from a plan in which every decision is already made
|
||||
* (improvise-anr9, and `shell.js::gridPlan`). Nothing below decides anything:
|
||||
* which labels repeat and are therefore blank, how many header levels there
|
||||
* are, which columns share a group and whether it is collapsed all arrive
|
||||
* answered, by the same `AxisFrame` the TUI widget reads. */
|
||||
function gridTable(model) {
|
||||
const plan = gridPlan(model);
|
||||
const table = document.createElement("table");
|
||||
const head = table.createTHead();
|
||||
const corner = () => {
|
||||
const th = document.createElement("th");
|
||||
th.colSpan = model.row_levels;
|
||||
th.colSpan = plan.cornerSpan;
|
||||
return th;
|
||||
};
|
||||
|
||||
// The column-group line, when there is one. An empty `col_groups` means
|
||||
// this grid has no column groups at all -- not that every group is blank.
|
||||
if (model.col_groups.length > 0) {
|
||||
// The column-group line, when there is one. An empty `groups` means this
|
||||
// grid has no column groups at all -- not that every group is blank.
|
||||
if (plan.groups.length > 0) {
|
||||
const groups = head.insertRow();
|
||||
groups.appendChild(corner());
|
||||
for (const group of model.col_groups) {
|
||||
for (const group of plan.groups) {
|
||||
const th = document.createElement("th");
|
||||
th.colSpan = group.span;
|
||||
// `label` is null for a run in no group; an empty STRING is a legal group
|
||||
// name, so this is a null check and not a truthiness test.
|
||||
th.textContent =
|
||||
group.label === null ? "" : indicator(group.collapsed) + " " + group.label;
|
||||
th.textContent = group.text;
|
||||
th.classList.add("group");
|
||||
groups.appendChild(th);
|
||||
}
|
||||
@@ -280,7 +244,7 @@ function gridTable(model) {
|
||||
|
||||
// One header line per level. A blank entry is repeat suppression, decided
|
||||
// in Rust -- never an absent label.
|
||||
for (const level of model.col_levels) {
|
||||
for (const level of plan.levels) {
|
||||
const tr = head.insertRow();
|
||||
tr.appendChild(corner());
|
||||
for (const label of level) {
|
||||
@@ -291,23 +255,16 @@ function gridTable(model) {
|
||||
}
|
||||
|
||||
const body = table.createTBody();
|
||||
// The cell coordinates a click sends are DATA row indices and a group header
|
||||
// is not a data row, so this counts rather than trusting `model.rows`.
|
||||
let r = -1;
|
||||
for (const row of model.rows) {
|
||||
for (const row of plan.body) {
|
||||
const tr = body.insertRow();
|
||||
if (row.kind === "group") {
|
||||
const th = document.createElement("th");
|
||||
th.colSpan = model.row_levels + model.col_levels[0].length;
|
||||
th.textContent = indicator(row.collapsed) + " " + row.label;
|
||||
th.colSpan = row.colSpan;
|
||||
th.textContent = row.text;
|
||||
th.classList.add("group");
|
||||
tr.appendChild(th);
|
||||
continue;
|
||||
}
|
||||
r += 1;
|
||||
// `r` is one binding shared by every closure below, so a click handler
|
||||
// that captured it would fire with the LAST row's index. Snapshot it.
|
||||
const dataRow = r;
|
||||
|
||||
for (const label of row.labels) {
|
||||
const header = document.createElement("th");
|
||||
@@ -316,39 +273,26 @@ function gridTable(model) {
|
||||
tr.appendChild(header);
|
||||
}
|
||||
|
||||
row.cells.forEach((cell, c) => {
|
||||
for (const cell of row.cells) {
|
||||
const td = tr.insertCell();
|
||||
// A keyboard edit is open when `model.editing` is a string, and it holds
|
||||
// what has been typed. Both facts are decided in Rust.
|
||||
const typing = cell.selected && typeof model.editing === "string";
|
||||
td.textContent = typing ? model.editing + "\u258f" : cell.text;
|
||||
td.classList.toggle("numeric", cell.numeric && !typing);
|
||||
td.classList.toggle("error", cell.error);
|
||||
td.classList.toggle("selected", cell.selected);
|
||||
td.classList.toggle("typing", typing);
|
||||
// `editable` is the server's answer relayed through Rust: a stored cell.
|
||||
// Drill is not on the wire yet, so an aggregate is not offered.
|
||||
td.classList.toggle("editable", cell.editable);
|
||||
td.textContent = cell.text;
|
||||
for (const [name, on] of Object.entries(cell.classes)) {
|
||||
td.classList.toggle(name, on);
|
||||
}
|
||||
// Every cell moves the selection; an editable one also opens its editor,
|
||||
// which is the pointer's `i`. Not repainted in that branch: `edit` has
|
||||
// set `editing`, and a repaint would take the <input> away.
|
||||
td.addEventListener("click", () => {
|
||||
const frame = client.click_cell(dataRow, c);
|
||||
const frame = client.click_cell(cell.row, cell.col);
|
||||
if (frame) transport.send(frame);
|
||||
if (cell.editable) edit(td, dataRow, c, cell.edit_text);
|
||||
if (cell.editable) edit(td, cell.row, cell.col, cell.editText);
|
||||
else repaint();
|
||||
});
|
||||
});
|
||||
}
|
||||
}
|
||||
return table;
|
||||
}
|
||||
|
||||
/** The collapse glyph. `collapsed` is the fact, decided by the view and
|
||||
* carried on the frame; only this spelling is the page's (gotcha 26). */
|
||||
function indicator(collapsed) {
|
||||
return collapsed ? "\u25b6" : "\u25bc";
|
||||
}
|
||||
|
||||
/** Open an inline editor. Committing sends a frame; the value that comes
|
||||
* back is the server's, never the string typed here. */
|
||||
function edit(td, row, col, seed) {
|
||||
@@ -489,7 +433,7 @@ window.addEventListener("keydown", (e) => {
|
||||
|
||||
await transport.ready;
|
||||
sendViewport(); // the handshake: the snapshot is built at this extent
|
||||
armWatchdog(
|
||||
shell.arm(
|
||||
WS_URL
|
||||
? `${WS_URL} accepted the connection but sent no document`
|
||||
: "the in-page worker did not answer — this browser may not allow it (see console)",
|
||||
|
||||
+17
-1
@@ -44,7 +44,10 @@ cp -rf "$root/docs/casts" "$out/casts"
|
||||
|
||||
app="$out/app"
|
||||
mkdir -p "$app"
|
||||
cp -f "$root/web/index.html" "$root/web/app.js" "$root/web/style.css" "$root/web/worker.js" "$app/"
|
||||
# shell.js and serial.js are imported by app.js and worker.js: leaving either
|
||||
# out is a page that fails to load its own module graph, not a degraded one.
|
||||
cp -f "$root/web/index.html" "$root/web/app.js" "$root/web/shell.js" \
|
||||
"$root/web/serial.js" "$root/web/style.css" "$root/web/worker.js" "$app/"
|
||||
# The document the page opens on a browser that has never seen one.
|
||||
# web/worker.js fetches it by the ?seed= URL and hands the bytes to Rust,
|
||||
# which writes them through the VFS — so leaving it out is an empty grid, not
|
||||
@@ -82,3 +85,16 @@ stamped "$app/app.js" "pkg/improvise_wasm_client.js?v=${token}"
|
||||
stamped "$app/worker.js" "worker-pkg/improvise_worker_server.js?v=${token}"
|
||||
stamped "$app/pkg/improvise_wasm_client.js" "improvise_wasm_client_bg.wasm?v=${token}"
|
||||
stamped "$app/worker-pkg/improvise_worker_server.js" "improvise_worker_server_bg.wasm?v=${token}"
|
||||
|
||||
# Every relative import the two entry points make must have been copied. The
|
||||
# cp list above is a second answer to "what ships", and a missing sibling is a
|
||||
# 404 at module-load time, which the page cannot report.
|
||||
for entry in app.js worker.js; do
|
||||
deps=$(sed -n 's|.*from "\./\([A-Za-z0-9_.-]*\.js\)".*|\1|p' "$app/$entry")
|
||||
for dep in $deps; do
|
||||
test -f "$app/$dep" || {
|
||||
echo "assemble: $entry imports ./$dep, which was not copied" >&2
|
||||
exit 1
|
||||
}
|
||||
done
|
||||
done
|
||||
|
||||
@@ -0,0 +1,6 @@
|
||||
{
|
||||
"name": "web",
|
||||
"private": true,
|
||||
"type": "module",
|
||||
"description": "The browser page. `node --test web/tests` runs what needs no browser (improvise-cr3)."
|
||||
}
|
||||
@@ -0,0 +1,19 @@
|
||||
// The one rule `web/worker.js` exists to keep: one frame at a time, in arrival
|
||||
// order. No DOM, no worker globals — context/code/clients.md.
|
||||
|
||||
/** Chain every arrival onto one tail promise, starting from `head`.
|
||||
*
|
||||
* An `async` listener does NOT serialize: the event loop is free to start the
|
||||
* next message while an earlier one is suspended at an `await`, so two
|
||||
* handler runs interleave and a later frame's replies can be posted before an
|
||||
* earlier frame's — which the client's fold answers by DROPPING the overtaken
|
||||
* update, not by replaying it. Chaining is also what makes "frames that
|
||||
* arrived before `start()` finished" an ordinary case of this rule rather
|
||||
* than a drain loop with the race in it twice over. */
|
||||
export function serialize(head, handler, onError) {
|
||||
let tail = head.catch(() => {});
|
||||
return (value) => {
|
||||
tail = tail.then(() => handler(value)).catch((err) => onError(err, value));
|
||||
return tail;
|
||||
};
|
||||
}
|
||||
+144
@@ -0,0 +1,144 @@
|
||||
// Everything `web/app.js` decides that is not painting: no DOM, no browser
|
||||
// API, one `node --test` away. What belongs here: context/code/clients.md.
|
||||
|
||||
/** The websocket URL for `?ws=`, defaulting to TLS. Why, and when an explicit
|
||||
* `ws://` is upgraded rather than honoured: context/code/clients.md. */
|
||||
export function socketUrl(peer, pageProtocol) {
|
||||
const secure = pageProtocol === "https:";
|
||||
if (/^wss:\/\//i.test(peer)) return peer;
|
||||
if (/^ws:\/\//i.test(peer)) return secure ? peer.replace(/^ws:/i, "wss:") : peer;
|
||||
return `${secure ? "wss" : "ws"}://${peer}`;
|
||||
}
|
||||
|
||||
/** `#status` carries two independent facts, composed rather than overwritten:
|
||||
* a repaint must not quietly erase a connection error. */
|
||||
export function composeStatus(shell, model) {
|
||||
return [shell, model].filter(Boolean).join(" · ");
|
||||
}
|
||||
|
||||
/** The collapse glyph. `collapsed` is the fact, decided by the view and
|
||||
* carried on the frame; only this spelling is the page's (gotcha 26). */
|
||||
export function indicator(collapsed) {
|
||||
return collapsed ? "▶" : "▼";
|
||||
}
|
||||
|
||||
// Rough character metrics, used only to turn the window size into an extent.
|
||||
// Being wrong here costs a row of over- or under-fetch, nothing more.
|
||||
export const ROW_PX = 26;
|
||||
export const COL_PX = 110;
|
||||
|
||||
/** The extent a box of this size can show, in whole DATA cells: the frame is
|
||||
* charged for first, and at least one cell is always asked for. */
|
||||
export function extentOf(box, frameCost, metrics = { rowPx: ROW_PX, colPx: COL_PX }) {
|
||||
return {
|
||||
rows: Math.max(1, Math.floor(box.height / metrics.rowPx) - frameCost.rows),
|
||||
cols: Math.max(1, Math.floor(box.width / metrics.colPx) - frameCost.cols),
|
||||
};
|
||||
}
|
||||
|
||||
/** What the grid's own frame costs, in whole cells — measured off the painted
|
||||
* model, never predicted. Inline group ROWS are deliberately not counted. */
|
||||
export function frameCostOf(model) {
|
||||
return {
|
||||
rows: model.col_levels.length + (model.col_groups.length > 0 ? 1 : 0),
|
||||
cols: model.row_levels,
|
||||
};
|
||||
}
|
||||
|
||||
/** The grid, as a description: every decision made, nothing created. The page
|
||||
* decides nothing here and neither does this — which labels repeat, how many
|
||||
* header levels there are and which columns share a group all arrive
|
||||
* answered, by the same `AxisFrame` the TUI widget reads (improvise-anr9). */
|
||||
export function gridPlan(model) {
|
||||
const cornerSpan = model.row_levels;
|
||||
const groups = model.col_groups.map((group) => ({
|
||||
span: group.span,
|
||||
// `label` is null for a run in no group; an empty STRING is a legal group
|
||||
// name, so this is a null check and not a truthiness test.
|
||||
text: group.label === null ? "" : `${indicator(group.collapsed)} ${group.label}`,
|
||||
}));
|
||||
|
||||
// The cell coordinates a click sends are DATA row indices and a group header
|
||||
// is not a data row, so this counts rather than trusting the row's position.
|
||||
let dataRow = -1;
|
||||
const body = model.rows.map((row) => {
|
||||
if (row.kind === "group") {
|
||||
return {
|
||||
kind: "group",
|
||||
colSpan: model.row_levels + model.col_levels[0].length,
|
||||
text: `${indicator(row.collapsed)} ${row.label}`,
|
||||
};
|
||||
}
|
||||
dataRow += 1;
|
||||
return {
|
||||
kind: "data",
|
||||
row: dataRow,
|
||||
labels: row.labels,
|
||||
cells: row.cells.map((cell, col) => {
|
||||
// A keyboard edit is open when `model.editing` is a string, and it
|
||||
// holds what has been typed. Both facts are decided in Rust.
|
||||
const typing = cell.selected && typeof model.editing === "string";
|
||||
return {
|
||||
row: dataRow,
|
||||
col,
|
||||
text: typing ? `${model.editing}▏` : cell.text,
|
||||
editText: cell.edit_text,
|
||||
editable: cell.editable,
|
||||
classes: {
|
||||
numeric: cell.numeric && !typing,
|
||||
error: cell.error,
|
||||
selected: cell.selected,
|
||||
typing,
|
||||
// `editable` is the server's answer relayed through Rust: a stored
|
||||
// cell. Drill is not on the wire, so an aggregate is not offered.
|
||||
editable: cell.editable,
|
||||
},
|
||||
};
|
||||
}),
|
||||
};
|
||||
});
|
||||
|
||||
return { cornerSpan, groups, levels: model.col_levels, body };
|
||||
}
|
||||
|
||||
/** The page's two status facts and the handshake watchdog, which share a home
|
||||
* because the one rule between them is that a *failure disarms the timer*. */
|
||||
export function createShell({ onStatus, timeoutMs, setTimer = setTimeout, clearTimer = clearTimeout }) {
|
||||
let shell = "";
|
||||
let model = "";
|
||||
let watchdog = null;
|
||||
const paint = () => onStatus(composeStatus(shell, model));
|
||||
|
||||
return {
|
||||
setShell(text) {
|
||||
shell = text;
|
||||
paint();
|
||||
},
|
||||
setModel(text) {
|
||||
model = text;
|
||||
paint();
|
||||
},
|
||||
/** A peer that never answers the handshake. Deliberately about the *first
|
||||
* frame*, not either peer's own failure modes — clients.md. */
|
||||
arm(message) {
|
||||
clearTimer(watchdog);
|
||||
watchdog = setTimer(() => {
|
||||
watchdog = null;
|
||||
this.setShell(message);
|
||||
}, timeoutMs);
|
||||
},
|
||||
/** A frame arrived, so the peer answered: the watchdog has no question
|
||||
* left to ask. */
|
||||
sawFrame() {
|
||||
clearTimer(watchdog);
|
||||
watchdog = null;
|
||||
},
|
||||
/** A peer that failed *loudly* has already said something more precise, so
|
||||
* the watchdog must be DISARMED and not merely pre-empted (PR #13). */
|
||||
fail(text) {
|
||||
this.sawFrame();
|
||||
this.setShell(text);
|
||||
},
|
||||
armed: () => watchdog !== null,
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,101 @@
|
||||
// The JS↔wasm boundary: every call the page makes is declared by the bundle,
|
||||
// with the arity it declares. Needs `web/build.sh` to have run.
|
||||
|
||||
import { test } from "node:test";
|
||||
import assert from "node:assert/strict";
|
||||
import { readFileSync } from "node:fs";
|
||||
import { fileURLToPath } from "node:url";
|
||||
|
||||
const web = (name) => fileURLToPath(new URL(`../../${name}`, import.meta.url));
|
||||
|
||||
/// Declared methods and free functions, as `name -> [min, max]` arity. A
|
||||
/// missing bundle is a FAILURE and never a skip: this file exists to be run
|
||||
/// after `web/build.sh`, and a silent pass would report exactly nothing.
|
||||
function declarations(dts) {
|
||||
const text = readFileSync(web(dts), "utf8");
|
||||
const found = new Map();
|
||||
const decl = /(?:^|\n)\s*(?:export function |static )?([a-z_][A-Za-z0-9_]*)\(([^)]*)\)\s*:/g;
|
||||
for (const [, name, params] of text.matchAll(decl)) {
|
||||
const list = params.trim() === "" ? [] : params.split(",");
|
||||
const required = list.filter((p) => !p.includes("?:")).length;
|
||||
found.set(name, [required, list.length]);
|
||||
}
|
||||
assert.ok(found.size > 0, `${dts} declares nothing — was web/build.sh run?`);
|
||||
return found;
|
||||
}
|
||||
|
||||
/// Every `<receiver>.<name>(...)` call in a source file, with how many
|
||||
/// top-level arguments it passes.
|
||||
function callsOn(file, receiver) {
|
||||
const text = readFileSync(web(file), "utf8");
|
||||
const calls = [];
|
||||
const head = new RegExp(`${receiver}\\.([a-z_][A-Za-z0-9_]*)\\(`, "g");
|
||||
for (const match of text.matchAll(head)) {
|
||||
let depth = 1;
|
||||
let i = match.index + match[0].length;
|
||||
let commas = 0;
|
||||
let body = "";
|
||||
while (depth > 0 && i < text.length) {
|
||||
const ch = text[i];
|
||||
if ("([{".includes(ch)) depth += 1;
|
||||
else if (")]}".includes(ch)) depth -= 1;
|
||||
else if (ch === "," && depth === 1) commas += 1;
|
||||
if (depth > 0) body += ch;
|
||||
i += 1;
|
||||
}
|
||||
assert.equal(depth, 0, `unbalanced call to ${match[1]} in ${file}`);
|
||||
calls.push({ name: match[1], args: body.trim() === "" ? 0 : commas + 1 });
|
||||
}
|
||||
return calls;
|
||||
}
|
||||
|
||||
test("every client call web/app.js makes is declared, with that arity", () => {
|
||||
const declared = declarations("pkg/improvise_wasm_client.d.ts");
|
||||
const calls = callsOn("app.js", "client");
|
||||
assert.ok(calls.length >= 6, `found only ${calls.length} client calls`);
|
||||
for (const call of calls) {
|
||||
const arity = declared.get(call.name);
|
||||
assert.ok(arity, `web/app.js calls client.${call.name}, which the bundle does not declare`);
|
||||
const [min, max] = arity;
|
||||
assert.ok(
|
||||
call.args >= min && call.args <= max,
|
||||
`client.${call.name} takes ${min}..${max} arguments; app.js passes ${call.args}`,
|
||||
);
|
||||
}
|
||||
});
|
||||
|
||||
test("the page still reaches the client through a handful of calls", () => {
|
||||
const names = new Set(callsOn("app.js", "client").map((c) => c.name));
|
||||
// The named surface, so a call added without an argument fails here and
|
||||
// has to come and say so. `viewport` is deliberately absent: `set_viewport`
|
||||
// is the one that records the window (gotcha 47).
|
||||
assert.deepEqual(
|
||||
[...names].sort(),
|
||||
[
|
||||
"click_category",
|
||||
"click_cell",
|
||||
"click_tile",
|
||||
"on_frame",
|
||||
"on_key_event",
|
||||
"render_model",
|
||||
"set_viewport",
|
||||
"typed_cell",
|
||||
],
|
||||
);
|
||||
});
|
||||
|
||||
test("every worker call web/worker.js makes is declared, with that arity", () => {
|
||||
const declared = declarations("worker-pkg/improvise_worker_server.d.ts");
|
||||
const calls = callsOn("worker.js", "server");
|
||||
assert.ok(calls.length >= 2, `found only ${calls.length} server calls`);
|
||||
for (const call of calls) {
|
||||
const arity = declared.get(call.name);
|
||||
assert.ok(arity, `web/worker.js calls server.${call.name}, undeclared by the bundle`);
|
||||
assert.ok(
|
||||
call.args >= arity[0] && call.args <= arity[1],
|
||||
`server.${call.name} takes ${arity[0]}..${arity[1]}; worker.js passes ${call.args}`,
|
||||
);
|
||||
}
|
||||
// `start` is a free function rather than a method, and takes the seed.
|
||||
assert.deepEqual(declared.get("start"), [1, 2]);
|
||||
});
|
||||
@@ -0,0 +1,110 @@
|
||||
// The grid's plan: the decisions `gridTable` used to make while creating
|
||||
// elements, where a wrong answer showed up as a wrong pixel.
|
||||
|
||||
import { test } from "node:test";
|
||||
import assert from "node:assert/strict";
|
||||
|
||||
import { gridPlan } from "../shell.js";
|
||||
|
||||
const cell = (text, extra = {}) => ({
|
||||
text,
|
||||
edit_text: text,
|
||||
numeric: true,
|
||||
error: false,
|
||||
selected: false,
|
||||
editable: true,
|
||||
...extra,
|
||||
});
|
||||
|
||||
/// A grid with a group header between its data rows — the shape the row
|
||||
/// index has to survive. Two column levels under one group run.
|
||||
function grouped() {
|
||||
return {
|
||||
row_levels: 2,
|
||||
col_levels: [["Q1", ""], ["Revenue", "Cost"]],
|
||||
col_groups: [{ span: 2, label: "2026", collapsed: false }],
|
||||
editing: null,
|
||||
rows: [
|
||||
{ kind: "group", label: "Hot", collapsed: false },
|
||||
{ kind: "data", labels: ["Hot", "Espresso"], cells: [cell("1"), cell("2")] },
|
||||
{ kind: "data", labels: ["", "Latte"], cells: [cell("3"), cell("4")] },
|
||||
{ kind: "group", label: "Cold", collapsed: true },
|
||||
{ kind: "data", labels: ["Cold", "Cold Brew"], cells: [cell("5"), cell("6")] },
|
||||
],
|
||||
};
|
||||
}
|
||||
|
||||
test("a group header consumes no data row index", () => {
|
||||
const plan = gridPlan(grouped());
|
||||
const data = plan.body.filter((r) => r.kind === "data");
|
||||
assert.deepEqual(data.map((r) => r.row), [0, 1, 2]);
|
||||
// And every cell in a row carries that row's index, not its position in
|
||||
// `rows` — the coordinate a click sends.
|
||||
assert.deepEqual(
|
||||
data.at(-1).cells.map((c) => [c.row, c.col]),
|
||||
[[2, 0], [2, 1]],
|
||||
);
|
||||
});
|
||||
|
||||
test("a group header spans the labels and the cells together", () => {
|
||||
const plan = gridPlan(grouped());
|
||||
const groups = plan.body.filter((r) => r.kind === "group");
|
||||
assert.deepEqual(groups.map((r) => r.colSpan), [4, 4]);
|
||||
assert.deepEqual(groups.map((r) => r.text), ["▼ Hot", "▶ Cold"]);
|
||||
assert.equal(plan.cornerSpan, 2);
|
||||
});
|
||||
|
||||
test("a column run in no group is blank, and an empty name is a name", () => {
|
||||
const model = grouped();
|
||||
model.col_groups = [
|
||||
{ span: 1, label: null, collapsed: false },
|
||||
{ span: 1, label: "", collapsed: true },
|
||||
];
|
||||
const plan = gridPlan(model);
|
||||
assert.deepEqual(plan.groups, [
|
||||
{ span: 1, text: "" },
|
||||
{ span: 1, text: "▶ " },
|
||||
]);
|
||||
});
|
||||
|
||||
test("the typed text replaces only the selected cell, and carries a caret", () => {
|
||||
const model = grouped();
|
||||
model.editing = "12";
|
||||
model.rows[1].cells[1].selected = true;
|
||||
const plan = gridPlan(model);
|
||||
const row = plan.body[1];
|
||||
assert.equal(row.cells[0].text, "1");
|
||||
assert.equal(row.cells[1].text, "12▏");
|
||||
assert.equal(row.cells[1].classes.typing, true);
|
||||
// A cell being typed into is not drawn as a number: the buffer is text.
|
||||
assert.equal(row.cells[1].classes.numeric, false);
|
||||
assert.equal(row.cells[0].classes.numeric, true);
|
||||
});
|
||||
|
||||
test("a selected cell with no editor open is not typing", () => {
|
||||
const model = grouped();
|
||||
model.editing = null;
|
||||
model.rows[1].cells[0].selected = true;
|
||||
const plan = gridPlan(model);
|
||||
const first = plan.body[1].cells[0];
|
||||
assert.equal(first.classes.typing, false);
|
||||
assert.equal(first.classes.selected, true);
|
||||
assert.equal(first.text, "1");
|
||||
});
|
||||
|
||||
test("an empty edit buffer still means an editor is open", () => {
|
||||
const model = grouped();
|
||||
model.editing = "";
|
||||
model.rows[1].cells[0].selected = true;
|
||||
const plan = gridPlan(model);
|
||||
assert.equal(plan.body[1].cells[0].classes.typing, true);
|
||||
assert.equal(plan.body[1].cells[0].text, "▏");
|
||||
});
|
||||
|
||||
test("the editor is seeded from the stored value, not the drawn one", () => {
|
||||
const model = grouped();
|
||||
model.rows[1].cells[0] = cell("20,000", { edit_text: "20000" });
|
||||
const plan = gridPlan(model);
|
||||
assert.equal(plan.body[1].cells[0].text, "20,000");
|
||||
assert.equal(plan.body[1].cells[0].editText, "20000");
|
||||
});
|
||||
@@ -0,0 +1,52 @@
|
||||
// The RenderModel→DOM boundary, statically: a projected field that nothing
|
||||
// paints is the bug four widgets shared. See context/code/clients.md.
|
||||
|
||||
import { test } from "node:test";
|
||||
import assert from "node:assert/strict";
|
||||
import { readFileSync } from "node:fs";
|
||||
import { fileURLToPath } from "node:url";
|
||||
|
||||
const read = (rel) => readFileSync(fileURLToPath(new URL(rel, import.meta.url)), "utf8");
|
||||
|
||||
/// Fields the page deliberately does not read, each with the reason. A field
|
||||
/// belongs here only with an argument; the list is the debt, written down.
|
||||
// improvise-z754 put the title bar's facts in one shared cache and taught
|
||||
// `src/draw.rs::draw_title` to fold it; this page never learned to. That is
|
||||
// improvise-5jna, open, and this list is what stops it being forgotten.
|
||||
const UNPAINTED = {
|
||||
doc_name: "improvise-5jna: the title bar is drawn by the TUI and not here",
|
||||
doc_dirty: "improvise-5jna",
|
||||
doc_stored_as: "improvise-5jna",
|
||||
};
|
||||
|
||||
/// The `pub` fields of `RenderModel`, read off the Rust that defines it.
|
||||
function renderModelFields() {
|
||||
const src = read("../../crates/improvise-wasm-client/src/render.rs");
|
||||
const start = src.indexOf("pub struct RenderModel {");
|
||||
assert.ok(start > 0, "RenderModel moved — this test reads the struct itself");
|
||||
const body = src.slice(start, src.indexOf("\n}", start));
|
||||
const fields = [...body.matchAll(/\n {4}pub ([a-z_0-9]+):/g)].map((m) => m[1]);
|
||||
assert.ok(fields.length > 10, `found only ${fields.length} fields`);
|
||||
return fields;
|
||||
}
|
||||
|
||||
test("every field the render model projects is painted, or named as debt", () => {
|
||||
// Both halves of the page: `app.js` paints, `shell.js` plans the grid.
|
||||
const page = read("../app.js") + read("../shell.js");
|
||||
const unpainted = renderModelFields().filter((field) => !page.includes(`model.${field}`));
|
||||
assert.deepEqual(
|
||||
unpainted.sort(),
|
||||
Object.keys(UNPAINTED).sort(),
|
||||
"a projected field reaches no element — paint it, or add it to UNPAINTED with the reason",
|
||||
);
|
||||
});
|
||||
|
||||
test("every element the page looks up exists in the page", () => {
|
||||
const app = read("../app.js");
|
||||
const html = read("../index.html");
|
||||
const ids = [...app.matchAll(/getElementById\("([^"]+)"\)/g)].map((m) => m[1]);
|
||||
assert.ok(ids.length >= 8, `found only ${ids.length} element lookups`);
|
||||
for (const id of ids) {
|
||||
assert.ok(html.includes(`id="${id}"`), `app.js looks up #${id}, which index.html has not got`);
|
||||
}
|
||||
});
|
||||
@@ -0,0 +1,79 @@
|
||||
// The worker's one rule: one frame at a time, in arrival order. The bug this
|
||||
// guards against is an `async` listener, which does not serialize.
|
||||
|
||||
import { test } from "node:test";
|
||||
import assert from "node:assert/strict";
|
||||
|
||||
import { serialize } from "../serial.js";
|
||||
|
||||
const tick = (n) => new Promise((resolve) => setTimeout(resolve, n));
|
||||
|
||||
test("a slow frame does not let a later one overtake it", async () => {
|
||||
const posted = [];
|
||||
// The first frame suspends for longer than the second: an `async` listener
|
||||
// would post B's replies while A is still awaiting.
|
||||
const handler = async (frame) => {
|
||||
await tick(frame === "A" ? 20 : 0);
|
||||
posted.push(frame);
|
||||
};
|
||||
const onMessage = serialize(Promise.resolve(), handler, () => {});
|
||||
|
||||
onMessage("A");
|
||||
await onMessage("B");
|
||||
assert.deepEqual(posted, ["A", "B"]);
|
||||
});
|
||||
|
||||
test("the same interleaving without the chain is what this rules out", async () => {
|
||||
const posted = [];
|
||||
const listener = async (frame) => {
|
||||
await tick(frame === "A" ? 20 : 0);
|
||||
posted.push(frame);
|
||||
};
|
||||
listener("A");
|
||||
await listener("B");
|
||||
await tick(30);
|
||||
assert.deepEqual(posted, ["B", "A"]);
|
||||
});
|
||||
|
||||
test("frames that arrive before startup finishes are held, not dropped", async () => {
|
||||
const posted = [];
|
||||
let ready;
|
||||
const head = new Promise((resolve) => {
|
||||
ready = resolve;
|
||||
});
|
||||
const onMessage = serialize(head, (f) => posted.push(f), () => {});
|
||||
|
||||
onMessage("first");
|
||||
onMessage("second");
|
||||
assert.deepEqual(posted, [], "nothing runs before startup settles");
|
||||
ready();
|
||||
await onMessage("third");
|
||||
assert.deepEqual(posted, ["first", "second", "third"]);
|
||||
});
|
||||
|
||||
test("a startup that failed still lets the chain run, so the handler can decline", async () => {
|
||||
const seen = [];
|
||||
const head = Promise.reject(new Error("no bundle"));
|
||||
const onMessage = serialize(head, (f) => seen.push(f), () => {});
|
||||
await onMessage("frame");
|
||||
assert.deepEqual(seen, ["frame"]);
|
||||
});
|
||||
|
||||
test("one bad frame does not poison the frames after it", async () => {
|
||||
const posted = [];
|
||||
const errors = [];
|
||||
const onMessage = serialize(
|
||||
Promise.resolve(),
|
||||
(frame) => {
|
||||
if (frame === "bad") throw new Error("rejected");
|
||||
posted.push(frame);
|
||||
},
|
||||
(err, frame) => errors.push([frame, err.message]),
|
||||
);
|
||||
|
||||
onMessage("good");
|
||||
onMessage("bad");
|
||||
await onMessage("later");
|
||||
assert.deepEqual(posted, ["good", "later"]);
|
||||
assert.deepEqual(errors, [["bad", "rejected"]]);
|
||||
});
|
||||
@@ -0,0 +1,162 @@
|
||||
// What the page decides between the boundaries: transport selection, the two
|
||||
// status facts, the watchdog and the extent arithmetic. No DOM is involved.
|
||||
|
||||
import { test } from "node:test";
|
||||
import assert from "node:assert/strict";
|
||||
|
||||
import {
|
||||
composeStatus,
|
||||
createShell,
|
||||
extentOf,
|
||||
frameCostOf,
|
||||
indicator,
|
||||
socketUrl,
|
||||
} from "../shell.js";
|
||||
|
||||
test("a bare peer takes the page's own scheme, and https never falls back", () => {
|
||||
assert.equal(socketUrl("127.0.0.1:8787", "http:"), "ws://127.0.0.1:8787");
|
||||
assert.equal(socketUrl("example.test", "https:"), "wss://example.test");
|
||||
// An explicit `ws://` on an https page is UPGRADED, not honoured: the
|
||||
// browser would refuse the mixed-content connection either way.
|
||||
assert.equal(socketUrl("ws://example.test", "https:"), "wss://example.test");
|
||||
assert.equal(socketUrl("ws://example.test", "http:"), "ws://example.test");
|
||||
// `wss://` is honoured on both, and the match is case-insensitive.
|
||||
assert.equal(socketUrl("WSS://example.test", "http:"), "WSS://example.test");
|
||||
});
|
||||
|
||||
test("a peer whose host merely starts with ws is not a scheme", () => {
|
||||
assert.equal(socketUrl("wsserver.test:9000", "http:"), "ws://wsserver.test:9000");
|
||||
});
|
||||
|
||||
test("the two status facts compose, and neither can erase the other", () => {
|
||||
assert.equal(composeStatus("connected", "Filter: Product = Latte"), "connected · Filter: Product = Latte");
|
||||
// An empty fact contributes nothing rather than a stray separator.
|
||||
assert.equal(composeStatus("connected", ""), "connected");
|
||||
assert.equal(composeStatus("", "saved"), "saved");
|
||||
assert.equal(composeStatus("", ""), "");
|
||||
});
|
||||
|
||||
test("a repaint's model status does not overwrite a connection failure", () => {
|
||||
const seen = [];
|
||||
const shell = createShell({ onStatus: (t) => seen.push(t), timeoutMs: 10 });
|
||||
shell.fail("cannot reach 127.0.0.1:8787");
|
||||
shell.setModel("Filter: Product = Latte");
|
||||
assert.equal(seen.at(-1), "cannot reach 127.0.0.1:8787 · Filter: Product = Latte");
|
||||
});
|
||||
|
||||
/// A clock the test drives, so the watchdog's arming is asserted rather than
|
||||
/// waited for. `fire()` runs what is pending, as the event loop would.
|
||||
function fakeClock() {
|
||||
let next = 1;
|
||||
const pending = new Map();
|
||||
return {
|
||||
setTimer: (fn) => {
|
||||
const id = next++;
|
||||
pending.set(id, fn);
|
||||
return id;
|
||||
},
|
||||
clearTimer: (id) => pending.delete(id),
|
||||
fire: () => {
|
||||
const due = [...pending.values()];
|
||||
pending.clear();
|
||||
for (const fn of due) fn();
|
||||
},
|
||||
count: () => pending.size,
|
||||
};
|
||||
}
|
||||
|
||||
test("the watchdog speaks when the peer never answers the handshake", () => {
|
||||
const clock = fakeClock();
|
||||
const seen = [];
|
||||
const shell = createShell({
|
||||
onStatus: (t) => seen.push(t),
|
||||
timeoutMs: 8000,
|
||||
setTimer: clock.setTimer,
|
||||
clearTimer: clock.clearTimer,
|
||||
});
|
||||
shell.setShell("connecting…");
|
||||
shell.arm("sent no document");
|
||||
assert.equal(shell.armed(), true);
|
||||
clock.fire();
|
||||
assert.equal(seen.at(-1), "sent no document");
|
||||
});
|
||||
|
||||
test("a loud failure DISARMS the watchdog rather than being replaced by it", () => {
|
||||
const clock = fakeClock();
|
||||
const seen = [];
|
||||
const shell = createShell({
|
||||
onStatus: (t) => seen.push(t),
|
||||
timeoutMs: 8000,
|
||||
setTimer: clock.setTimer,
|
||||
clearTimer: clock.clearTimer,
|
||||
});
|
||||
shell.arm("sent no document");
|
||||
shell.fail("disconnected");
|
||||
assert.equal(shell.armed(), false);
|
||||
assert.equal(clock.count(), 0);
|
||||
clock.fire();
|
||||
// The precise message is what stands, eight seconds later and forever.
|
||||
assert.equal(seen.at(-1), "disconnected");
|
||||
});
|
||||
|
||||
test("a frame that arrives is the answer the watchdog was waiting for", () => {
|
||||
const clock = fakeClock();
|
||||
const seen = [];
|
||||
const shell = createShell({
|
||||
onStatus: (t) => seen.push(t),
|
||||
timeoutMs: 8000,
|
||||
setTimer: clock.setTimer,
|
||||
clearTimer: clock.clearTimer,
|
||||
});
|
||||
shell.setShell("connected");
|
||||
shell.arm("sent no document");
|
||||
shell.sawFrame();
|
||||
clock.fire();
|
||||
assert.equal(seen.at(-1), "connected");
|
||||
});
|
||||
|
||||
test("arming twice leaves one timer, not two", () => {
|
||||
const clock = fakeClock();
|
||||
const shell = createShell({
|
||||
onStatus: () => {},
|
||||
timeoutMs: 8000,
|
||||
setTimer: clock.setTimer,
|
||||
clearTimer: clock.clearTimer,
|
||||
});
|
||||
shell.arm("first");
|
||||
shell.arm("second");
|
||||
assert.equal(clock.count(), 1);
|
||||
});
|
||||
|
||||
test("the frame is charged for before the extent is announced", () => {
|
||||
// 10 rows and 4 columns fit; one header level and one row-label column are
|
||||
// not data, so the peer is asked for 9 by 3.
|
||||
const box = { height: 10 * 26, width: 4 * 110 };
|
||||
assert.deepEqual(extentOf(box, { rows: 1, cols: 1 }), { rows: 9, cols: 3 });
|
||||
});
|
||||
|
||||
test("a window smaller than its own frame still asks for one cell", () => {
|
||||
assert.deepEqual(extentOf({ height: 0, width: 0 }, { rows: 3, cols: 2 }), {
|
||||
rows: 1,
|
||||
cols: 1,
|
||||
});
|
||||
});
|
||||
|
||||
test("the frame costs a line per column level, plus one for a group line", () => {
|
||||
const model = (levels, groups, rowLevels) => ({
|
||||
col_levels: levels,
|
||||
col_groups: groups,
|
||||
row_levels: rowLevels,
|
||||
});
|
||||
assert.deepEqual(frameCostOf(model([["a"]], [], 1)), { rows: 1, cols: 1 });
|
||||
// Two category levels on the column axis, and a group line above them.
|
||||
assert.deepEqual(frameCostOf(model([["a"], ["b"]], [{ span: 1 }], 2)), {
|
||||
rows: 3,
|
||||
cols: 2,
|
||||
});
|
||||
});
|
||||
|
||||
test("the collapse glyph points right when collapsed", () => {
|
||||
assert.equal(indicator(true), "▶");
|
||||
assert.equal(indicator(false), "▼");
|
||||
});
|
||||
+16
-15
@@ -2,6 +2,7 @@
|
||||
// every decision in Rust. The two rules it must not break: context/code/clients.md.
|
||||
|
||||
import init, { start } from "./worker-pkg/improvise_worker_server.js";
|
||||
import { serialize } from "./serial.js";
|
||||
|
||||
const params = new URLSearchParams(self.location.search);
|
||||
const DOC = params.get("doc") || "demo.improv";
|
||||
@@ -43,21 +44,21 @@ started.catch((err) => {
|
||||
console.error("improvise worker: failed to start", err);
|
||||
});
|
||||
|
||||
// One frame at a time, in arrival order: the listener is deliberately NOT
|
||||
// `async` — see context/code/clients.md.
|
||||
let tail = started.catch(() => {});
|
||||
// One frame at a time, in arrival order, and the listener is deliberately NOT
|
||||
// `async`: the chaining is `serial.js`'s and is tested there.
|
||||
const onFrame = serialize(
|
||||
started,
|
||||
async (data) => {
|
||||
// `start()` failed. There is nothing to answer with, and the main
|
||||
// thread's handshake watchdog is what tells the user.
|
||||
if (!server) return;
|
||||
await handle(data);
|
||||
},
|
||||
// An unhandled rejection here reaches the devtools console and nothing
|
||||
// else. Caught, so one bad frame does not poison every later one.
|
||||
(err, data) => console.error("improvise worker: frame rejected", data, err),
|
||||
);
|
||||
|
||||
self.onmessage = (event) => {
|
||||
tail = tail
|
||||
.then(async () => {
|
||||
// `start()` failed. There is nothing to answer with, and the main
|
||||
// thread's handshake watchdog is what tells the user.
|
||||
if (!server) return;
|
||||
await handle(event.data);
|
||||
})
|
||||
.catch((err) => {
|
||||
// An unhandled rejection here reaches the devtools console and nothing
|
||||
// else. Caught, so one bad frame does not poison every later one.
|
||||
console.error("improvise worker: frame rejected", event.data, err);
|
||||
});
|
||||
onFrame(event.data);
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user