assertSession(); // Ensure the parameter is not set. $this->drupalGet(''); $assert->responseHeaderEquals('container_rebuild_indicator', NULL); $this->writeSettings([ 'settings' => [ 'deployment_identifier' => (object) [ 'value' => 'new-identifier', 'required' => TRUE, ], ], ]); $this->drupalGet(''); $assert->responseHeaderEquals('container_rebuild_indicator', 'new-identifier'); } /** * Tests container invalidation. */ public function testContainerInvalidation(): void { $assert = $this->assertSession(); // Ensure that parameter is not set. $this->drupalGet(''); $assert->responseHeaderEquals('container_rebuild_test_parameter', NULL); // Ensure that after setting the parameter, without a container rebuild the // parameter is still not set. $this->writeSettings([ 'settings' => [ 'container_rebuild_test_parameter' => (object) [ 'value' => 'rebuild_me', 'required' => TRUE, ], ], ]); $this->drupalGet(''); $assert->responseHeaderEquals('container_rebuild_test_parameter', NULL); // Ensure that after container invalidation the parameter is set. \Drupal::service('kernel')->invalidateContainer(); $this->drupalGet(''); $assert->responseHeaderEquals('container_rebuild_test_parameter', 'rebuild_me'); } }