public function DisplayKernelTest::testGetPlugin in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/views/tests/src/Kernel/Plugin/DisplayKernelTest.php \Drupal\Tests\views\Kernel\Plugin\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

Drupal\Tests\views\Kernel\Plugin

Code

public function testGetPlugin() {
  $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.');
}