public function PluginHierarchyTraitTest::testBuildPluginHierarchy in Plugin 8.2

@covers ::buildPluginHierarchy @covers ::buildPluginHierarchyLevel

File

tests/src/Unit/PluginHierarchyTraitTest.php, line 38

Class

PluginHierarchyTraitTest

@coversDefaultClass \Drupal\plugin\PluginHierarchyTrait

Namespace

Drupal\Tests\plugin\Unit

Code

public function testBuildPluginHierarchy() {
  $plugin_definition_id_a = $this
    ->randomMachineName();
  $plugin_definition_label_a = 'foo';
  $plugin_definition_a = $this
    ->createMock(PluginLabelDefinitionInterface::class);
  $plugin_definition_a
    ->expects($this
    ->any())
    ->method('getLabel')
    ->willReturn($plugin_definition_label_a);
  $plugin_definition_id_b = $this
    ->randomMachineName();
  $plugin_definition_label_b = 'Bar';
  $plugin_definition_b = $this
    ->createMock(PluginLabelDefinitionInterface::class);
  $plugin_definition_b
    ->expects($this
    ->any())
    ->method('getLabel')
    ->willReturn($plugin_definition_label_b);
  $plugin_definition_id_c = $this
    ->randomMachineName();
  $plugin_definition_c = $this
    ->createMock(PluginHierarchyDefinitionInterface::class);
  $plugin_definition_c
    ->expects($this
    ->any())
    ->method('getId')
    ->willReturn($plugin_definition_id_c);
  $plugin_definition_c
    ->expects($this
    ->any())
    ->method('getParentId')
    ->willReturn($plugin_definition_id_a);
  $plugin_discovery = $this
    ->createMock(TypedDiscoveryInterface::class);
  $plugin_discovery
    ->expects($this
    ->any())
    ->method('getDefinitions')
    ->willReturn([
    $plugin_definition_id_a => $plugin_definition_a,
    $plugin_definition_id_b => $plugin_definition_b,
    $plugin_definition_id_c => $plugin_definition_c,
  ]);
  $method = new \ReflectionMethod($this->sut, 'buildPluginHierarchy');
  $method
    ->setAccessible(TRUE);

  // We need to suppress errors, because using mocks inside user comparison
  // functions always causes the "Array was modified by the user comparison
  // function" error. Because we check the output, we catch (most) problems
  // anyway.
  $hierarchy = @$method
    ->invokeArgs($this->sut, array(
    $plugin_discovery,
  ));
  $expected = [
    $plugin_definition_id_b => [],
    $plugin_definition_id_a => [
      $plugin_definition_id_c => [],
    ],
  ];
  $this
    ->assertSame($expected, $hierarchy);
}