Be paranoid

sebastianbergmann · Jun 13, 2024 · f9ee2a6 · f9ee2a6
1 parent 4df94e0
commit f9ee2a6
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/Framework/TestSuite.php b/src/Framework/TestSuite.php
@@ -81,6 +81,7 @@ class TestSuite implements IteratorAggregate, Reorderable, SelfDescribing, Test
      */
     private ?array $providedTests    = null;
     private ?Factory $iteratorFilter = null;
+    private bool $wasRun             = false;
 
     /**
      * @psalm-param non-empty-string $name
@@ -346,6 +347,14 @@ public function collect(): array
      */
     public function run(): void
     {
+        if ($this->wasRun) {
+            // @codeCoverageIgnoreStart
+            throw new Exception('The tests aggregated by this TestSuite were already run');
+            // @codeCoverageIgnoreEnd
+        }
+
+        $this->wasRun = true;
+
         if (count($this) === 0) {
             return;
         }