Edward Langley
78 lines
2.6 KiB
Bash
Executable File
78 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# check_the_checker for scripts/check-harness-lock.sh (improvise-zs2r). The
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# fixtures are path-only crates, so every case runs offline with no cache.
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set -uo pipefail
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here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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RUN="$here/check-harness-lock.sh"
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work="$(mktemp -d)"
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trap 'rm -rf "$work"' EXIT
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pass=0; fail=0
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ok() { printf ' ok %s\n' "$1"; pass=$((pass+1)); }
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bad() { printf ' FAIL %s (exit %s, wanted %s)\n' "$1" "$2" "$3"; fail=$((fail+1)); }
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# $1 name, $2 expected exit, $3 expected stderr substring ("" for none), rest: args
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run_case() {
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local name="$1" want="$2" says="$3"; shift 3
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local err
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err="$("$RUN" "$@" 2>&1 >/dev/null)"
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local got=$?
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if [ "$got" != "$want" ]; then
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bad "$name" "$got" "$want"
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printf '%s\n' "$err" | sed 's/^/ /'
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elif [ -n "$says" ] && [[ "$err" != *"$says"* ]]; then
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bad "$name: stderr did not say $says" "$got" "$want"
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else
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ok "$name"
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fi
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}
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# $1 dir, $2 crate name, $3 extra [dependencies] lines, $4 "workspace" or ""
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crate() {
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mkdir -p "$1/src"
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: > "$1/src/lib.rs"
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{
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printf '[package]\nname = "%s"\nversion = "0.0.0"\nedition = "2021"\n' "$2"
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[ "${4:-}" = workspace ] && printf '\n[workspace]\n'
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printf '\n[dependencies]\n%s' "$3"
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} > "$1/Cargo.toml"
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}
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# A two-crate workspace shaped like the harness: `app` is its own root and
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# reaches `lib` by path, so `lib`'s manifest is one the lock resolves against.
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fixture() {
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local root="$1"
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crate "$root/lib" lib ""
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crate "$root/extra" extra ""
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crate "$root/app" app 'lib = { path = "../lib" }
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' workspace
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cargo generate-lockfile --offline --manifest-path "$root/app/Cargo.toml" 2>/dev/null
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}
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fixture "$work/current"
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run_case "a current lock passes" 0 "" "$work/current/app/Cargo.toml"
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# The shape improvise-zs2r names: only a PATH DEPENDENCY's manifest changed.
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fixture "$work/stale"
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crate "$work/stale/lib" lib 'extra = { path = "../extra" }
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'
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run_case "a manifest-only change to a path dependency is stale" 1 "STALE" \
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"$work/stale/app/Cargo.toml"
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# Offline and unresolvable is NOT a stale lock: the gate did not run.
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fixture "$work/cold"
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crate "$work/cold/lib" lib 'zs2r-no-such-crate-anywhere = "1"
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'
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run_case "an offline resolution failure is not a verdict" 2 "did not run" \
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"$work/cold/app/Cargo.toml"
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run_case "a missing manifest is a usage error" 2 "no manifest" \
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"$work/nowhere/Cargo.toml"
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run_case "two manifests is a usage error" 2 "" \
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"$work/current/app/Cargo.toml" "$work/stale/app/Cargo.toml"
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run_case "an unknown option is a usage error" 2 "unknown option" --bogus
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printf '\ncheck-harness-lock: %d passed, %d failed\n' "$pass" "$fail"
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[ "$fail" = 0 ]
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