Detect PHPUnit suite from CLI arguments

Author: durable-workflow-ops

tests/TestSuiteSubscriber.php

@@ -23,6 +23,55 @@ public function notify(Started $event): void
 
     public static function getCurrentSuite(): string
     {
-        return self::$currentSuite;
+        if (self::$currentSuite !== '') {
+            return self::$currentSuite;
+        }
+
+        return self::inferCurrentSuiteFromArguments();
+    }
+
+    private static function inferCurrentSuiteFromArguments(): string
+    {
+        $arguments = $_SERVER['argv'] ?? $GLOBALS['argv'] ?? [];
+
+        foreach ($arguments as $index => $argument) {
+            if (! is_string($argument)) {
+                continue;
+            }
+
+            if (str_starts_with($argument, '--testsuite=')) {
+                $suite = substr($argument, strlen('--testsuite='));
+
+                if (in_array($suite, ['unit', 'feature'], true)) {
+                    return $suite;
+                }
+            }
+
+            if ($argument === '--testsuite') {
+                $suite = $arguments[$index + 1] ?? null;
+
+                if (is_string($suite) && in_array($suite, ['unit', 'feature'], true)) {
+                    return $suite;
+                }
+            }
+        }
+
+        foreach ($arguments as $argument) {
+            if (! is_string($argument)) {
+                continue;
+            }
+
+            $normalized = str_replace('\\', '/', $argument);
+
+            if (str_contains($normalized, 'tests/Feature/')) {
+                return 'feature';
+            }
+
+            if (str_contains($normalized, 'tests/Unit/')) {
+                return 'unit';
+            }
+        }
+
+        return '';
     }
 }