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- <?php
- namespace Drupal\KernelTests\Core\Test;
- use Drupal\Core\Test\AssertMailTrait;
- use Drupal\KernelTests\KernelTestBase;
- /**
- * Tests \Drupal\Core\Test\AssertMailTrait works.
- *
- * @group Test
- *
- * @coversDefaultClass \Drupal\Core\Test\AssertMailTrait
- */
- class AssertMailTraitTest extends KernelTestBase {
- use AssertMailTrait;
- /**
- * Tests that the maintenance theme initializes the theme and its base themes.
- */
- public function testAssertMailTrait() {
- /* @var \Drupal\Core\Mail\MailManagerInterface $mail_service */
- $mail_service = \Drupal::service('plugin.manager.mail');
- // Create an email.
- $subject = $this->randomString(64);
- $body = $this->randomString(128);
- $message = [
- 'id' => 'drupal_mail_test',
- 'headers' => ['Content-type' => 'text/html'],
- 'subject' => $subject,
- 'to' => 'foobar@example.com',
- 'body' => $body,
- ];
- // Before we send the email, \Drupal\Core\Test\AssertMailTrait::getMails()
- // should return an empty array.
- $captured_emails = $this->getMails();
- $this->assertCount(0, $captured_emails, 'The captured emails queue is empty.');
- // Send the email.
- $mail_service->getInstance(['module' => 'simpletest', 'key' => 'drupal_mail_test'])->mail($message);
- // Ensure that there is one email in the captured emails array.
- $captured_emails = $this->getMails();
- $this->assertEquals(count($captured_emails), 1, 'One email was captured.');
- // Assert that the email was sent by iterating over the message properties
- // and ensuring that they are captured intact.
- foreach ($message as $field => $value) {
- $this->assertMail($field, $value, "The email was sent and the value for property $field is intact.");
- }
- // Send additional emails so more than one email is captured.
- for ($index = 0; $index < 5; $index++) {
- $message = [
- 'id' => 'drupal_mail_test_' . $index,
- 'headers' => ['Content-type' => 'text/html'],
- 'subject' => $this->randomString(64),
- 'to' => $this->randomMachineName(32) . '@example.com',
- 'body' => $this->randomString(512),
- ];
- $mail_service->getInstance(['module' => 'drupal_mail_test', 'key' => $index])->mail($message);
- }
- // There should now be 6 emails captured.
- $captured_emails = $this->getMails();
- $this->assertCount(6, $captured_emails, 'All emails were captured.');
- // Test different ways of getting filtered emails via
- // \Drupal\Core\Test\AssertMailTrait::getMails().
- $captured_emails = $this->getMails(['id' => 'drupal_mail_test']);
- $this->assertCount(1, $captured_emails, 'Only one email is returned when filtering by id.');
- $captured_emails = $this->getMails(['id' => 'drupal_mail_test', 'subject' => $subject]);
- $this->assertCount(1, $captured_emails, 'Only one email is returned when filtering by id and subject.');
- $captured_emails = $this->getMails([
- 'id' => 'drupal_mail_test',
- 'subject' => $subject,
- 'from' => 'this_was_not_used@example.com',
- ]);
- $this->assertCount(0, $captured_emails, 'No emails are returned when querying with an unused from address.');
- // Send the last email again, so we can confirm that
- // \Drupal\Core\Test\AssertMailTrait::getMails() filters correctly returns
- // all emails with a given property/value.
- $mail_service->getInstance(['module' => 'drupal_mail_test', 'key' => $index])->mail($message);
- $captured_emails = $this->getMails(['id' => 'drupal_mail_test_4']);
- $this->assertCount(2, $captured_emails, 'All emails with the same id are returned when filtering by id.');
- }
- }
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