public function ResponseTest::testFormResponse in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/src/Functional/Form/ResponseTest.php \Drupal\Tests\system\Functional\Form\ResponseTest::testFormResponse()

Tests that enforced responses propagate through subscribers and middleware.

File

core/modules/system/tests/src/Functional/Form/ResponseTest.php, line 30

Class

ResponseTest

Tests the form API Response element.

Namespace

Drupal\Tests\system\Functional\Form

Code

public function testFormResponse() {
  $edit = [
    'content' => $this
      ->randomString(),
    'status' => 200,
  ];
  $this
    ->drupalGet('form-test/response');
  $this
    ->submitForm($edit, 'Submit');
  $content = Json::decode($this
    ->getSession()
    ->getPage()
    ->getContent());
  $this
    ->assertSession()
    ->statusCodeEquals(200);
  $this
    ->assertSame($edit['content'], $content, 'Response content matches');

  // Verify that response was handled by kernel response subscriber.
  $this
    ->assertSession()
    ->responseHeaderEquals('X-Form-Test-Response-Event', 'invoked');

  // Verify that response was handled by kernel middleware.
  $this
    ->assertSession()
    ->responseHeaderEquals('X-Form-Test-Stack-Middleware', 'invoked');
  $edit = [
    'content' => $this
      ->randomString(),
    'status' => 418,
  ];
  $this
    ->drupalGet('form-test/response');
  $this
    ->submitForm($edit, 'Submit');
  $content = Json::decode($this
    ->getSession()
    ->getPage()
    ->getContent());
  $this
    ->assertSession()
    ->statusCodeEquals(418);
  $this
    ->assertSame($edit['content'], $content, 'Response content matches');

  // Verify that response was handled by kernel response subscriber.
  $this
    ->assertSession()
    ->responseHeaderEquals('X-Form-Test-Response-Event', 'invoked');

  // Verify that response was handled by kernel middleware.
  $this
    ->assertSession()
    ->responseHeaderEquals('X-Form-Test-Stack-Middleware', 'invoked');
}