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feat(tia): adds poc

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nuno maduro
2026-04-16 06:17:14 -07:00
parent c440031e28
commit 4b9bb77b54
10 changed files with 289 additions and 29 deletions
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107
src/Plugins/Tia.php
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@ -10,11 +10,11 @@ use Pest\Contracts\Plugins\Terminable;
use Pest\Exceptions\NoDirtyTestsFound;
use Pest\Panic;
use Pest\Support\Container;
use Pest\Support\Tia\ChangedFiles;
use Pest\Support\Tia\Fingerprint;
use Pest\Support\Tia\Graph;
use Pest\Support\Tia\Recorder;
use Pest\TestCaseFilters\TiaTestCaseFilter;
use Pest\Plugins\Tia\ChangedFiles;
use Pest\Plugins\Tia\Fingerprint;
use Pest\Plugins\Tia\Graph;
use Pest\Plugins\Tia\Recorder;
use Pest\Plugins\Tia\State;
use Pest\TestSuite;
use Symfony\Component\Console\Output\OutputInterface;
use Throwable;
@ -363,11 +363,73 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
}
}
TestSuite::getInstance()->tests->addTestCaseFilter(
new TiaTestCaseFilter($projectRoot, $graph, $affectedSet),
State::instance()->activate(
$projectRoot,
$graph,
$affectedSet,
$this->loadPreviousDefects($projectRoot),
);
}
/**
* Reads PHPUnit's own result cache and returns the test ids that failed
* or errored in the previous run. These are excluded from replay so the
* user sees current state rather than a stale pass.
*
* @return array<string, true>
*/
private function loadPreviousDefects(string $projectRoot): array
{
// PHPUnit writes the cache under either `<projectRoot>/.phpunit.result.cache`
// (legacy) or `<cacheDirectory>/test-results`. Pest's Cache plugin
// additionally defaults `cacheDirectory` to
// `vendor/pestphp/pest/.temp` when the user hasn't configured one.
// We probe the common locations; if we miss the file, replay falls
// back to its safe default (still runs the test).
$candidates = [
$projectRoot.'/.phpunit.result.cache',
$projectRoot.'/.phpunit.cache/test-results',
$projectRoot.'/.pest/cache/test-results',
$projectRoot.'/vendor/pestphp/pest/.temp/test-results',
];
$path = null;
foreach ($candidates as $candidate) {
if (is_file($candidate)) {
$path = $candidate;
break;
}
}
if ($path === null) {
return [];
}
$raw = @file_get_contents($path);
if ($raw === false) {
return [];
}
$data = json_decode($raw, true);
if (! is_array($data) || ! isset($data['defects']) || ! is_array($data['defects'])) {
return [];
}
$out = [];
foreach ($data['defects'] as $id => $_status) {
if (is_string($id)) {
$out[$id] = true;
}
}
return $out;
}
/**
* @param array<int, string> $arguments
* @return array<int, string>
@ -386,28 +448,31 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
$changed = $changedFiles->since($graph->recordedAtSha()) ?? [];
if ($changed === []) {
$this->output->writeln(' <fg=green>TIA</> no changes detected.');
Panic::with(new NoDirtyTestsFound);
}
$affected = $graph->affected($changed);
// Even with zero changes, we still run through the suite so the user
// sees the previous results reflected (cached passes replay as
// instant passes; failures re-run to surface current state). This
// matches the UX of test runners like NCrunch where every run
// produces a full report regardless of what actually executed.
$affected = $changed === [] ? [] : $graph->affected($changed);
$testSuite = TestSuite::getInstance();
if (! Parallel::isEnabled()) {
// Series mode: install the TestCaseFilter so Pest/PHPUnit skips
// unaffected tests during discovery. Keep filter semantics
// identical to parallel mode: unknown/new tests always pass.
// Series mode: activate replay state. Tests still appear in the
// run (correct counts, coverage aggregation, event timeline);
// unaffected ones short-circuit inside `Testable::__runTest`
// and replay their previous passing status.
$affectedSet = array_fill_keys($affected, true);
$testSuite->tests->addTestCaseFilter(
new TiaTestCaseFilter($projectRoot, $graph, $affectedSet),
State::instance()->activate(
$projectRoot,
$graph,
$affectedSet,
$this->loadPreviousDefects($projectRoot),
);
$this->output->writeln(sprintf(
' <fg=green>TIA</> %d changed file(s) → %d known test file(s) + any new/unknown tests.',
' <fg=green>TIA</> %d changed file(s) → %d affected, remaining tests replay cached result.',
count($changed),
count($affected),
));
@ -435,7 +500,7 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
Parallel::setGlobal(self::REPLAYING_GLOBAL, '1');
$this->output->writeln(sprintf(
' <fg=green>TIA</> %d changed file(s) → %d known test file(s) + any new/unknown tests (parallel).',
' <fg=green>TIA</> %d changed file(s) → %d affected, remaining tests replay cached result (parallel).',
count($changed),
count($affected),
));