function SessionTest::testEmptyAnonymousSession

Tests that empty anonymous sessions are destroyed.

File

core/modules/system/tests/src/Functional/Session/SessionTest.php, line 185

Class

SessionTest

Drupal session handling tests.

Namespace

Code

public function testEmptyAnonymousSession() : void {
    // Disable the dynamic_page_cache module; it'd cause session_test's debug
    // output (that is added in
    // SessionTestSubscriber::onKernelResponseSessionTest()) to not be added.
    $this->container
        ->get('module_installer')
        ->uninstall([
        'dynamic_page_cache',
    ]);
    // Verify that no session is automatically created for anonymous user when
    // page caching is disabled.
    $this->container
        ->get('module_installer')
        ->uninstall([
        'page_cache',
    ]);
    $this->drupalGet('');
    $this->assertSessionCookie(FALSE);
    $this->assertSessionEmpty(TRUE);
    // The same behavior is expected when caching is enabled.
    $this->container
        ->get('module_installer')
        ->install([
        'page_cache',
    ]);
    $config = $this->config('system.performance');
    $config->set('cache.page.max_age', 300);
    $config->save();
    $this->drupalGet('');
    $this->assertSessionCookie(FALSE);
    // @todo Reinstate when REQUEST and RESPONSE events fire for cached pages.
    // $this->assertSessionEmpty(TRUE);
    $this->assertSession()
        ->responseHeaderEquals('X-Drupal-Cache', 'MISS');
    // Start a new session by setting a message.
    $this->drupalGet('session-test/set-message');
    $this->assertSessionCookie(TRUE);
    $this->assertNotNull($this->getSession()
        ->getResponseHeader('Set-Cookie'));
    // Display the message, during the same request the session is destroyed
    // and the session cookie is unset.
    $this->drupalGet('');
    $this->assertSessionCookie(FALSE);
    $this->assertSessionEmpty(FALSE);
    // Verify that caching was bypassed.
    $this->assertSession()
        ->responseHeaderDoesNotExist('X-Drupal-Cache');
    $this->assertSession()
        ->pageTextContains('This is a dummy message.');
    // Verify that session cookie was deleted.
    $this->assertSession()
        ->responseHeaderMatches('Set-Cookie', '/SESS\\w+=deleted/');
    // Verify that session was destroyed.
    $this->drupalGet('');
    $this->assertSessionCookie(FALSE);
    // @todo Reinstate when REQUEST and RESPONSE events fire for cached pages.
    // $this->assertSessionEmpty(TRUE);
    $this->assertSession()
        ->pageTextNotContains('This is a dummy message.');
    $this->assertSession()
        ->responseHeaderEquals('X-Drupal-Cache', 'HIT');
    $this->assertSession()
        ->responseHeaderDoesNotExist('Set-Cookie');
    // Verify that no session is created if drupal_save_session(FALSE) is called.
    $this->drupalGet('session-test/set-message-but-do-not-save');
    $this->assertSessionCookie(FALSE);
    $this->assertSessionEmpty(TRUE);
    // Verify that no message is displayed.
    $this->drupalGet('');
    $this->assertSessionCookie(FALSE);
    // @todo Reinstate when REQUEST and RESPONSE events fire for cached pages.
    // $this->assertSessionEmpty(TRUE);
    $this->assertSession()
        ->pageTextNotContains('This is a dummy message.');
}