function DevelMailLogTest::testDevelMailLogOutput

Tests devel mail log output.

File

tests/src/Kernel/DevelMailLogTest.php, line 95

Class

DevelMailLogTest

Tests sending mails with debug interface.

Namespace

Code

public function testDevelMailLogOutput() : void {
    $config = \Drupal::config('devel.settings');
    
    /** @var \Drupal\Core\Language\LanguageManagerInterface $language_manager */
    $language_manager = $this->container
        ->get('language_manager');
    // Parameters used for send the email.
    $mail = [
        'module' => 'devel_test',
        'key' => 'devel_mail_log',
        'to' => 'drupal@example.com',
        'reply' => 'replyto@example.com',
        'lang' => $language_manager->getCurrentLanguage()
            ->getId(),
    ];
    // Parameters used for compose the email in devel_test module.
    // @see devel_test_mail()
    $params = [
        'subject' => 'Devel mail log subject',
        'body' => 'Devel mail log body',
        'headers' => [
            'from' => 'postmaster@example.com',
            'additional' => [
                'X-stupid' => 'dumb',
            ],
        ],
    ];
    // Configure devel_mail_log as default mail backends.
    $this->setDevelMailLogAsDefaultBackend();
    // Changes the default filename pattern removing the dynamic date
    // placeholder for a more predictable filename output.
    $random = $this->randomMachineName();
    $filename_pattern = '%to-%subject-' . $random . '.mail.txt';
    $this->config('devel.settings')
        ->set('debug_mail_file_format', $filename_pattern)
        ->save();
    $expected_filename = 'drupal@example.com-Devel_mail_log_subject-' . $random . '.mail.txt';
    $expected_output = <<<EOF
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed; delsp=yes
Content-Transfer-Encoding: 8Bit
X-Mailer: Drupal
Return-Path: devel-test@example.com
Sender: devel-test@example.com
From: postmaster@example.com
Reply-to: replyto@example.com
X-stupid: dumb
To: drupal@example.com
Subject: Devel mail log subject

Devel mail log body

EOF;
    // Ensures that the mail is captured by devel_mail_log and the placeholders
    // in the filename are properly resolved.
    $default_output_directory = $config->get('debug_mail_directory');
    $expected_file_path = $default_output_directory . '/' . $expected_filename;
    $this->mailManager
        ->mail($mail['module'], $mail['key'], $mail['to'], $mail['lang'], $params, $mail['reply']);
    $this->assertFileExists($expected_file_path);
    $this->assertStringEqualsFile($expected_file_path, $expected_output);
    // Ensures that even changing the default output directory devel_mail_log
    // works as expected.
    $changed_output_directory = 'temporary://my-folder';
    $expected_file_path = $changed_output_directory . '/' . $expected_filename;
    $this->config('devel.settings')
        ->set('debug_mail_directory', $changed_output_directory)
        ->save();
    $result = $this->mailManager
        ->mail($mail['module'], $mail['key'], $mail['to'], $mail['lang'], $params, $mail['reply']);
    $this->assertTrue($result['result']);
    $this->assertFileExists($expected_file_path);
    $this->assertStringEqualsFile($expected_file_path, $expected_output);
    // Ensures that if the default output directory is a public directory it
    // will be protected by adding an .htaccess.
    $public_output_directory = 'public://my-folder';
    $expected_file_path = $public_output_directory . '/' . $expected_filename;
    $this->config('devel.settings')
        ->set('debug_mail_directory', $public_output_directory)
        ->save();
    $this->mailManager
        ->mail($mail['module'], $mail['key'], $mail['to'], $mail['lang'], $params, $mail['reply']);
    $this->assertFileExists($expected_file_path);
    $this->assertStringEqualsFile($expected_file_path, $expected_output);
    $this->assertFileExists($public_output_directory . '/.htaccess');
}