wip

src/Plugins/Tia.php

@@ -1250,22 +1250,12 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
             // The collector occasionally hands us nothing usable: PHPUnit's
             // Prepared event can miss the file for Pest-generated classes,
             // and an eval'd class path (".../IndexTest.php(1) : eval()'d code")
-            // would be rejected later by Graph::relative(). Reflect on the
-            // class embedded in the test ID as a fallback so the failure
-            // gets stored *with* a file — without it, filtered runs lose
-            // the ability to re-run only the failing test next time and
-            // bail out to the full suite.
+            // would be rejected later by Graph::relative(). Recover the real
+            // path from the class embedded in the test ID — without it,
+            // filtered runs lose the ability to re-run only the failing test
+            // next time.
             if ($file === null || (is_string($file) && str_contains($file, "eval()'d"))) {
-                $class = strstr($testId, '::', true);
-
-                if (is_string($class) && $class !== '') {
-                    try {
-                        $reflected = (new \ReflectionClass($class))->getFileName();
-                        $file = $reflected === false ? null : $reflected;
-                    } catch (\ReflectionException) {
-                        $file = null;
-                    }
-                }
+                $file = self::resolveFailedTestFile($testId);
             }
 
             $graph->setResult(
@@ -1283,6 +1273,63 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
         $collector->reset();
     }
 
+    /**
+     * Resolves the source file for a Pest-generated test class.
+     *
+     * Pest synthesises a per-test class via `eval()` and writes the
+     * original test file path to a `private static $__filename` property
+     * (see `src/Factories/TestCaseFactory.php`). Reflecting on the class
+     * with `getFileName()` would return the eval'd location, which
+     * `Graph::relative()` rejects — losing the file mapping.
+     *
+     * Strategy:
+     *   1. Read the `__filename` static if the class declares it (Pest
+     *      tests).
+     *   2. Otherwise use `getFileName()` and skip eval'd frames by
+     *      walking up the parent class chain — a plain PHPUnit test
+     *      lives in a real file at the top of that chain.
+     */
+    private static function resolveFailedTestFile(string $testId): ?string
+    {
+        $class = strstr($testId, '::', true);
+
+        if (! is_string($class) || $class === '') {
+            return null;
+        }
+
+        try {
+            $reflection = new \ReflectionClass($class);
+        } catch (\ReflectionException) {
+            return null;
+        }
+
+        if ($reflection->hasProperty('__filename')) {
+            try {
+                $filename = $reflection->getStaticPropertyValue('__filename');
+            } catch (\ReflectionException) {
+                $filename = null;
+            }
+
+            if (is_string($filename) && $filename !== '' && ! str_contains($filename, "eval()'d")) {
+                return $filename;
+            }
+        }
+
+        $current = $reflection;
+
+        while ($current !== false) {
+            $file = $current->getFileName();
+
+            if (is_string($file) && $file !== '' && ! str_contains($file, "eval()'d")) {
+                return $file;
+            }
+
+            $current = $current->getParentClass();
+        }
+
+        return null;
+    }
+
     private function coverageReportActive(): bool
     {
         try {

src/Plugins/Tia/BaselineSync.php

@@ -30,12 +30,12 @@ final readonly class BaselineSync
 
     private const string COVERAGE_ASSET = Tia::KEY_COVERAGE_CACHE;
 
-    // Project-local directory where artifacts from previous downloads are
-    // kept (one subfolder per workflow run id). Hitting the same run id on
-    // a later fetch skips the `gh run download` round trip entirely —
-    // artifacts are immutable per run id, so the cached bytes are exactly
-    // what gh would re-download.
-    private const string DOWNLOAD_CACHE_REL_DIR = '.pest/artifacts';
+    // Subdirectory under the per-project state dir (`~/.pest/tia/<project>/`)
+    // where artifacts from previous downloads are kept (one subfolder per
+    // workflow run id). Hitting the same run id on a later fetch skips
+    // the `gh run download` round trip entirely — artifacts are immutable
+    // per run id, so the cached bytes are exactly what gh would re-download.
+    private const string DOWNLOAD_CACHE_DIR = 'artifacts';
 
     // Most recently downloaded artifacts to retain on disk. Branch
     // switches and partial baseline rollouts hop across run ids — keeping
@@ -381,9 +381,7 @@ YAML;
 
     private function downloadCacheDir(string $projectRoot): string
     {
-        return rtrim($projectRoot, '/\\')
-            .DIRECTORY_SEPARATOR
-            .str_replace('/', DIRECTORY_SEPARATOR, self::DOWNLOAD_CACHE_REL_DIR);
+        return Storage::tempDir($projectRoot).DIRECTORY_SEPARATOR.self::DOWNLOAD_CACHE_DIR;
     }
 
     /**

src/Plugins/Tia/Recorder.php

@@ -150,14 +150,28 @@ final class Recorder
             \pcov\stop();
             /** @var array<string, mixed> $data */
             $data = \pcov\collect(\pcov\all);
+
+            // pcov returns every executable line in every file it
+            // tracked: positive values for executed lines, `-1` for
+            // executable-but-not-run. A file with no positives was
+            // loaded but nothing in it ran during this test's window
+            // — typically a declaration-only file (Mailables, Enums,
+            // DTOs) pulled in by some service-provider's static `use`
+            // at framework boot. Including those attributes every
+            // globally-bootstrapped class to whichever test triggered
+            // the boot, blowing up the affected set on edits to those
+            // files.
+            $coveredFiles = self::filesWithExecutedLines($data);
         } else {
             /** @var array<string, mixed> $data */
             $data = \xdebug_get_code_coverage();
             // `true` resets Xdebug's buffer; without it the next start() accumulates prior test coverage.
             \xdebug_stop_code_coverage(true);
+
+            $coveredFiles = array_keys($data);
         }
 
-        foreach (array_keys($data) as $sourceFile) {
+        foreach ($coveredFiles as $sourceFile) {
             $this->perTestFiles[$this->currentTestFile][$sourceFile] = true;
         }
 
@@ -172,7 +186,7 @@ final class Recorder
 
         // Walk covered classes' interfaces/traits/parents. Interfaces have no executable bytecode,
         // so a signature change would leave implementing-class tests stale without this walk.
-        $this->linkSourceDependencies(array_keys($data));
+        $this->linkSourceDependencies($coveredFiles);
 
         $this->currentTestFile = null;
         $this->includedFilesAtTestStart = [];
@@ -641,6 +655,37 @@ final class Recorder
         return is_string($file) ? $file : null;
     }
 
+    /**
+     * Filters pcov's `file => line => executionCount` map to the files
+     * that actually had at least one executed line. pcov reports `-1`
+     * for "executable but not run" and a positive count for executed
+     * lines; a file with no positives was loaded but contributed no
+     * executed code to this test.
+     *
+     * @param  array<string, mixed>  $data
+     * @return list<string>
+     */
+    private static function filesWithExecutedLines(array $data): array
+    {
+        $out = [];
+
+        foreach ($data as $file => $lines) {
+            if (! is_string($file) || ! is_array($lines)) {
+                continue;
+            }
+
+            foreach ($lines as $count) {
+                if (is_int($count) && $count > 0) {
+                    $out[] = $file;
+
+                    continue 2;
+                }
+            }
+        }
+
+        return $out;
+    }
+
     public function reset(): void
     {
         $this->currentTestFile = null;