function 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

Code

public function testFormResponse() : void {
  $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');
}