Ignore Mailer classes and possible docblocks.

Author: dereuromark

src/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTask.php

@@ -23,6 +23,10 @@ public function shouldRun(string $path, string $content): bool {
 			return false;
 		}
 
+		if (preg_match('#namespace \w+\\\\Mailer;#', $content)) {
+			return false;
+		}
+
 		preg_match('#\buse (\w+)\\\\Mailer\\\\(\w+)Mailer\b#', $content, $useMatches);
 		preg_match('#\$\w+\s*=\s*\$this-\>getMailer\(\'([\w\.]+)\'\)#', $content, $callMatches);
 		$singleLine = false;

tests/TestCase/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTaskTest.php

@@ -144,6 +144,18 @@ public function testAnnotateExisting() {
 		$this->assertSame('', $output);
 	}
 
+	/**
+	 * @return void
+	 */
+	public function testShouldRunInvalid() {
+		$content = file_get_contents(TEST_FILES . 'MailerAnnotation' . DS . 'MailerAnnotation.invalid.php');
+		$task = $this->getTask($content);
+		$path = '/src/Foo/Foo.php';
+
+		$result = $task->shouldRun($path, $content);
+		$this->assertFalse($result);
+	}
+
 	/**
 	 * @param string $content
 	 * @param array $params

tests/test_files/MailerAnnotation/MailerAnnotation.invalid.php

@@ -0,0 +1,22 @@
+<?php
+namespace TestApp\Mailer;
+
+class DebugMailer {
+
+	/**
+	 * Usage: $this->getMailer('Debug')->send('test');
+	 *
+	 * @return self
+	 */
+	public function test(): self {
+		$this->setTransport('gmail')
+			->setTo('[email protected]')
+			->setSubject('Debug Email')
+			->setEmailFormat('html')
+			->viewBuilder()
+			->setTemplate('default');
+
+		return $this;
+	}
+
+}