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');
}