function DisplayKernelTest::testGetPlugin

Tests the \Drupal\views\Plugin\views\display\DisplayPluginBase::getPlugin() method.

File

core/modules/views/tests/src/Kernel/Plugin/DisplayKernelTest.php, line 92

Class

DisplayKernelTest

Drupal unit tests for the DisplayPluginBase class.

Namespace

Code

public function testGetPlugin() : void {
  $view = Views::getView('test_display_defaults');
  $view->initDisplay();
  $display_handler = $view->display_handler;
  $this->assertInstanceOf(AccessPluginBase::class, $display_handler->getPlugin('access'));
  $this->assertInstanceOf(CachePluginBase::class, $display_handler->getPlugin('cache'));
  $this->assertInstanceOf(ExposedFormPluginInterface::class, $display_handler->getPlugin('exposed_form'));
  $this->assertInstanceOf(PagerPluginBase::class, $display_handler->getPlugin('pager'));
  $this->assertInstanceOf(QueryPluginBase::class, $display_handler->getPlugin('query'));
  $this->assertInstanceOf(RowPluginBase::class, $display_handler->getPlugin('row'));
  $this->assertInstanceOf(StylePluginBase::class, $display_handler->getPlugin('style'));
  // Test that nothing is returned when an invalid type is requested.
  $this->assertNull($display_handler->getPlugin('invalid'), 'NULL was returned for an invalid instance');
  // Test that nothing was returned for an instance with no 'type' in options.
  unset($display_handler->options['access']);
  $this->assertNull($display_handler->getPlugin('access'), 'NULL was returned for a plugin type with no "type" option');
  // Get a plugin twice, and make sure the same instance is returned.
  $view->destroy();
  $view->initDisplay();
  $first = spl_object_hash($display_handler->getPlugin('style'));
  $second = spl_object_hash($display_handler->getPlugin('style'));
  $this->assertSame($first, $second, 'The same plugin instance was returned.');
}