Added seeEventTriggered function (#68)

Author: TavoNiievez

src/Codeception/Module/Symfony.php

@@ -1133,6 +1133,43 @@ public function grabParameter(string $name)
  return $parameterBag->get($name);
  }
 
+ /**
+ * Make sure events fired during the test.
+ *
+ * ``` php
+ * <?php
+ * $I->seeEventTriggered('App\MyEvent');
+ * $I->seeEventTriggered(new App\Events\MyEvent());
+ * $I->seeEventTriggered(['App\MyEvent', 'App\MyOtherEvent']);
+ * ```
+ * @param string|object|string[] $expected
+ */
+ public function seeEventTriggered($expected)
+ {
+ $eventCollector = $this->grabCollector('events', __FUNCTION__);
+
+ $data = $eventCollector->getCalledListeners();
+
+ if ($data->count() === 0) {
+ $this->fail('No event was triggered');
+ }
+
+ $actual = $data->getValue(true);
+ $expected = is_array($expected) ? $expected : [$expected];
+
+ foreach ($expected as $expectedEvent) {
+ $triggered = false;
+ $expectedEvent = is_object($expectedEvent) ? get_class($expectedEvent) : $expectedEvent;
+
+ foreach ($actual as $actualEvent) {
+ if (strpos($actualEvent['pretty'], $expectedEvent) === 0) {
+ $triggered = true;
+ }
+ }
+ $this->assertTrue($triggered, "The '$expectedEvent' event did not trigger");
+ }
+ }
+
  /**
  * Checks that current page matches action
  *