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nuno maduro
2026-04-20 13:16:59 -07:00
parent adc5aae6f8
commit 0d99c33c4e
3 changed files with 187 additions and 12 deletions
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44
src/Plugins/Tia.php
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@ -85,6 +85,21 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
private const string AFFECTED_FILE = 'tia-affected.json';
/**
* Cache file holding PHPUnit's `CodeCoverage` object from the last
* `--tia --coverage` run. When the next run replays most tests from
* the TIA graph, only the affected tests produce fresh coverage; the
* rest is merged in from this cache so the report stays complete.
*/
private const string COVERAGE_CACHE_FILE = 'tia-coverage.php';
/**
* Marker file dropped by `Tia` to tell `Support\Coverage` to apply the
* merge. Absent on plain `--coverage` runs so non-TIA usage keeps its
* current (narrow) behaviour.
*/
private const string COVERAGE_MARKER_FILE = 'tia-coverage.marker';
private const string WORKER_PREFIX = 'tia-worker-';
private const string WORKER_RESULTS_PREFIX = 'tia-worker-results-';
@ -196,6 +211,16 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
return self::tempDir().DIRECTORY_SEPARATOR.self::WORKER_RESULTS_PREFIX.'*.json';
}
public static function coverageCachePath(): string
{
return self::tempDir().DIRECTORY_SEPARATOR.self::COVERAGE_CACHE_FILE;
}
public static function coverageMarkerPath(): string
{
return self::tempDir().DIRECTORY_SEPARATOR.self::COVERAGE_MARKER_FILE;
}
/**
* True when TIA is piggybacking on PHPUnit's own coverage driver. Toggled
* in `handleArguments` whenever `--tia` runs alongside `--coverage` so
@ -505,20 +530,15 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
}
}
// Force record mode whenever `--coverage` is active. Replay short-
// circuits tests via cached results, which would make their code
// paths invisible to PHPUnit's coverage driver and tank the report.
// A `--tia --coverage` run is the one the user wants FULL coverage
// from — we just harvest graph edges alongside, to feed future
// `--tia` (no `--coverage`) runs.
if ($graph instanceof Graph && ! $this->piggybackCoverage) {
return $this->enterReplayMode($graph, $projectRoot, $arguments);
// Drop the marker so `Support\Coverage::report()` knows to merge the
// current (narrow) coverage with the cached full-run snapshot. Plain
// `--coverage` runs don't drop it, so their behaviour is untouched.
if ($this->piggybackCoverage) {
@file_put_contents(self::coverageMarkerPath(), '');
}
if ($graph instanceof Graph && $this->piggybackCoverage) {
$this->output->writeln(
' <fg=cyan>TIA</> `--coverage` active — running full suite and refreshing graph.',
);
if ($graph instanceof Graph) {
return $this->enterReplayMode($graph, $projectRoot, $arguments);
}
return $this->enterRecordMode($projectRoot, $arguments);