public function DerivativeTest::testDerivativeDecorator in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Plugin/DerivativeTest.php \Drupal\KernelTests\Core\Plugin\DerivativeTest::testDerivativeDecorator()

Tests getDefinitions() and getDefinition() with a derivativeDecorator.

File

core/tests/Drupal/KernelTests/Core/Plugin/DerivativeTest.php, line 20

Class

DerivativeTest

Tests that derivative plugins are correctly discovered.

Namespace

Drupal\KernelTests\Core\Plugin

Code

public function testDerivativeDecorator() {

  // Ensure that getDefinitions() returns the expected definitions.
  $this
    ->assertEquals($this->mockBlockExpectedDefinitions, $this->mockBlockManager
    ->getDefinitions());

  // Ensure that getDefinition() returns the expected definition.
  foreach ($this->mockBlockExpectedDefinitions as $id => $definition) {
    $this
      ->assertEquals($definition, $this->mockBlockManager
      ->getDefinition($id));
  }

  // Ensure that NULL is returned as the definition of a non-existing base
  // plugin, a non-existing derivative plugin, or a base plugin that may not
  // be used without deriving.
  $this
    ->assertNull($this->mockBlockManager
    ->getDefinition('non_existing', FALSE), 'NULL returned as the definition of a non-existing base plugin.');
  $this
    ->assertNull($this->mockBlockManager
    ->getDefinition('menu:non_existing', FALSE), 'NULL returned as the definition of a non-existing derivative plugin.');
  $this
    ->assertNull($this->mockBlockManager
    ->getDefinition('menu', FALSE), 'NULL returned as the definition of a base plugin that may not be used without deriving.');
}