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44 lines
2.0 KiB
TypeScript
44 lines
2.0 KiB
TypeScript
// Path-only test heuristic for branch line-total buckets. Conservative and
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// anchored on the raw path (no lowercasing/splitting per file).
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// Whole path segments only, so `src/latest/x.ts` and `contest/` don't count.
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// The trailing separator is what keeps a *file* named `test.ts` out of here.
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// `spec/` is RSpec's; plural `specs/` is left out because it far more often
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// holds specifications (this repo's `src/cli/specs/` is production code), and a
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// real test inside one still matches on its `.spec.`/`_spec.` basename.
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const TEST_DIRECTORY =
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/(?:^|[/\\])(?:__mocks__|__snapshots__|__tests__|cypress|e2e|spec|tests?|testdata)[/\\]/i
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// One alternative per ecosystem convention; `[^./\\]` keeps each anchored match
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// inside the basename. Joined into a single regex so V8 walks the path once.
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const TEST_BASENAME = new RegExp(
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`(?:${[
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/\.(?:test|spec)\.[^./\\]+/, // Chip.test.tsx, git-status.spec.js
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/[-_](?:test|spec)s?\.[^./\\]+/, // handler_test.go, user_spec.rb
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// `.py` only: the bare `test_` prefix is pytest's convention, and widening it
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// to any extension swept in fixtures and pages (test_data.json, test_page.tsx).
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// A production helper that happens to be named `test_client.py` is
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// indistinguishable from a real module here — pytest collects it too.
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/(?:^|[/\\])test_[^./\\]*\.py/,
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/(?:^|[/\\])conftest\.py/,
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/\.snap/
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]
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.map((pattern) => pattern.source)
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.join('|')})$`,
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'i'
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)
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// Case-sensitive on purpose: a case-insensitive `test`/`tests`/`spec` suffix
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// falsely matches ordinary type names like Contest.java, Latest.kt, MyContest.php.
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// JVM/C#/Swift/PHP/Ruby test types use a capital T/S in the conventional suffix.
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const TEST_TYPE_NAME_SUFFIX = /(?:Test|Tests|Spec)\.(?:java|kt|kts|scala|groovy|cs|swift|php|rb)$/
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/** Accepts POSIX and Windows separators — git reports `/`, callers may not. */
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export function isTestCodePath(filePath: string): boolean {
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return (
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TEST_DIRECTORY.test(filePath) ||
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TEST_BASENAME.test(filePath) ||
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TEST_TYPE_NAME_SUFFIX.test(filePath)
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)
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}
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