wip

src/Plugins/Tia/AutoloadEdges.php

@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Plugins\Tia;
+
+/**
+ * Captures PHP files that were included while a test was running.
+ *
+ * Coverage drivers miss declaration-only files (classes, enums, interfaces,
+ * traits) and files loaded before the coverage window opens. Diffing
+ * `get_included_files()` gives TIA an explicit edge for those autoloaded files.
+ *
+ * @internal
+ */
+final readonly class AutoloadEdges
+{
+    /**
+     * @return array<string, true>
+     */
+    public static function snapshot(): array
+    {
+        $files = [];
+
+        foreach (get_included_files() as $file) {
+            if (is_string($file) && $file !== '') {
+                $files[$file] = true;
+            }
+        }
+
+        return $files;
+    }
+
+    /**
+     * @param  array<string, true>  $before
+     * @param  array<string, true>  $after
+     * @return list<string>
+     */
+    public static function newProjectFiles(array $before, array $after, string $projectRoot, ?string $testFile = null): array
+    {
+        $root = rtrim($projectRoot, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
+        $testReal = is_string($testFile) && $testFile !== '' ? @realpath($testFile) : false;
+        $out = [];
+
+        foreach (array_keys($after) as $file) {
+            if (isset($before[$file])) {
+                continue;
+            }
+
+            $real = @realpath($file);
+            if ($real === false) {
+                $real = $file;
+            }
+
+            if ($testReal !== false && $real === $testReal) {
+                continue;
+            }
+
+            if (! str_starts_with($real, $root)) {
+                continue;
+            }
+
+            $relative = str_replace(DIRECTORY_SEPARATOR, '/', substr($real, strlen($root)));
+
+            if (self::ignored($relative)) {
+                continue;
+            }
+
+            if (! str_ends_with($relative, '.php')) {
+                continue;
+            }
+
+            $out[$real] = true;
+        }
+
+        return array_keys($out);
+    }
+
+    private static function ignored(string $relative): bool
+    {
+        static $prefixes = [
+            'vendor/',
+            'node_modules/',
+            'storage/framework/',
+            'bootstrap/cache/',
+        ];
+
+        foreach ($prefixes as $prefix) {
+            if (str_starts_with($relative, $prefix)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}