Fix handling of regex containing / in IgnorePhpunitWarnings

Author: staabm

src/Metadata/IgnorePhpunitWarnings.php

@@ -40,6 +40,6 @@ public function isIgnorePhpunitWarnings(): true
     public function shouldIgnore(string $message): bool
     {
         return $this->messagePattern === null ||
-            (bool) preg_match("/{$this->messagePattern}/", $message);
+            (bool) preg_match('{' . $this->messagePattern . '}', $message);
     }
 }

tests/end-to-end/event/_files/PhpunitWarningIgnoredTest.php

@@ -54,6 +54,17 @@ public function testPhpunitWarningWithRegex(): void
         $this->assertTrue(true);
     }
 
+    #[IgnorePhpunitWarnings('warning/error(.*)')]
+    public function testPhpunitWarningWithSlashInRegex(): void
+    {
+        EventFacade::emitter()->testTriggeredPhpunitWarning(
+            $this->valueObjectForEvents(),
+            'warning/error message',
+        );
+
+        $this->assertTrue(true);
+    }
+
     #[IgnorePhpunitWarnings('warn(.*)mess(.*)')]
     public function testPhpunitWarningWithWrongPattern(): void
     {

tests/end-to-end/event/phpunit-warning-ignored.phpt

@@ -14,7 +14,7 @@ PHPUnit %s by Sebastian Bergmann and contributors.
 
 Runtime: %s
 
-...W.                                                               5 / 5 (100%)
+....W.                                                              6 / 6 (100%)
 
 Time: %s, Memory: %s
 
@@ -26,4 +26,4 @@ another message
 %sPhpunitWarningIgnoredTest.php:%d
 
 OK, but there were issues!
-Tests: 5, Assertions: 5, PHPUnit Warnings: 1.
+Tests: 6, Assertions: 6, PHPUnit Warnings: 1.