UnitTestBase.php in Select (or other) 8

Namespace

Drupal\Tests\select_or_other\Unit

File

tests/src/Unit/UnitTestBase.php

<?php

namespace Drupal\Tests\select_or_other\Unit {
  use Drupal\Tests\UnitTestCase;
  use PHPUnit_Framework_MockObject_MockBuilder;
  use PHPUnit_Framework_MockObject_MockObject;
  use ReflectionProperty;
  use Symfony\Component\DependencyInjection\ContainerInterface;
  abstract class UnitTestBase extends UnitTestCase {

    /* @var PHPUnit_Framework_MockObject_MockBuilder $stub */
    protected $mockBuilder;

    /* @var PHPUnit_Framework_MockObject_MockObject $containerMock */
    private $containerMock;

    /** @var array $services */
    private $services;

    /**
     * @return string
     *   The fully qualified class name of the subject under test.
     */
    protected abstract function getTestedClassName();

    /**
     * {@inheritdoc}
     */
    protected function setUp() {
      parent::setUp();
      $this
        ->prepareContainer();
      $this
        ->addMockServicesToContainer();
      $this->mockBuilder = $this
        ->getMockBuilder($this
        ->getTestedClassName());
    }

    /**
     * Prepares a mocked service container.
     */
    private function prepareContainer() {
      $container_class = 'Drupal\\Core\\DependencyInjection\\Container';
      $methods = get_class_methods($container_class);

      /** @var ContainerInterface $container */
      $this->containerMock = $container = $this
        ->getMockBuilder($container_class)
        ->disableOriginalConstructor()
        ->setMethods($methods)
        ->getMock();
      \Drupal::setContainer($container);
      $this->containerMock
        ->method('get')
        ->willReturnCallback([
        $this,
        'containerMockGetServiceCallback',
      ]);
    }

    /**
     * Adds mocked services to the container.
     */
    private function addMockServicesToContainer() {
      $this
        ->registerServiceWithContainerMock('current_user', $this
        ->getNewUserMock());
      $this
        ->registerServiceWithContainerMock('entity_type.manager', $this
        ->getNewEntityTypeManagerMock());
    }

    /**
     * Creates and returns a mocked user.
     *
     * @return \PHPUnit_Framework_MockObject_MockObject
     *   The mocked user.
     */
    private function getNewUserMock() {
      $user_mock = $this
        ->getMockForAbstractClass('\\Drupal\\Core\\Session\\AccountProxyInterface', [
        'id',
      ]);
      $user_mock
        ->method('id')
        ->willReturn(1);
      return $user_mock;
    }
    private function getNewEntityTypeManagerMock() {
      $field_storage_config = $this
        ->getMockForAbstractClass('\\Drupal\\field\\FieldStorageConfigInterface');
      $field_storage_config
        ->method('setSetting')
        ->willReturnSelf();
      $entity_storage_methods = [
        'load' => $field_storage_config,
      ];
      $entity_type_manager_methods = [
        'getStorage' => $this
          ->getMockForAbstractClassWithMethods('\\Drupal\\Core\\Entity\\EntityStorageInterface', $entity_storage_methods),
      ];
      return $this
        ->getMockForAbstractClassWithMethods('\\Drupal\\Core\\Entity\\EntityTypeManagerInterface', $entity_type_manager_methods);
    }

    /**
     * Creates and returns two basic mocks.
     *
     * One WidgetBase and one for the tested class.
     *
     * @return array
     *   The two mocks.
     */
    protected function getBasicMocks() {
      $methods = [
        'getSetting',
        'getSelectedOptions',
        'getColumn',
      ];
      $parent = $this
        ->getMockBuilder('Drupal\\select_or_other\\Plugin\\Field\\FieldWidget\\WidgetBase')
        ->setMethods($methods)
        ->disableOriginalConstructor()
        ->getMockForAbstractClass();
      $mock = $this
        ->getMockBuilder($this
        ->getTestedClassName())
        ->setMethods($methods)
        ->disableOriginalConstructor()
        ->getMock();
      $mocks = [
        $parent,
        $mock,
      ];
      $reflected_field_definition = new ReflectionProperty('Drupal\\select_or_other\\Plugin\\Field\\FieldWidget\\WidgetBase', 'fieldDefinition');
      $reflected_field_definition
        ->setAccessible(TRUE);

      /** @var PHPUnit_Framework_MockObject_MockObject $current_mock */
      foreach ($mocks as $current_mock) {
        $field_definition_methods = [
          'getFieldStorageDefinition' => $this
            ->getMockForAbstractClass('Drupal\\Core\\Field\\FieldStorageDefinitionInterface'),
        ];
        $field_definition = $this
          ->getMockForAbstractClassWithMethods('\\Drupal\\Core\\Field\\FieldDefinitionInterface', $field_definition_methods);
        $reflected_field_definition
          ->setValue($current_mock, $field_definition);
        $current_mock
          ->method('getSelectedOptions')
          ->willReturn([]);
        $current_mock
          ->method('getColumn')
          ->willReturn('');
      }
      return $mocks;
    }

    /**
     * Creates a mock for an abstract class with some mapped methods.
     *
     * @param string $abstractClassName
     * @param array $methods
     * @return \PHPUnit_Framework_MockObject_MockObject
     */
    protected function getMockForAbstractClassWithMethods($abstractClassName, array $methods) {
      $mock = $this
        ->getMockForAbstractClass($abstractClassName);
      foreach ($methods as $method => $return_value) {
        $mock
          ->method($method)
          ->willReturn($return_value);
      }
      return $mock;
    }

    /**
     * Registers a (mocked) service with the mocked service container.
     *
     * @param string $service_id
     *   The service id.
     * @param mixed $service
     *   The service to be returned when the service_id is requested from the
     *   container.
     */
    protected function registerServiceWithContainerMock($service_id, $service) {
      $this->services[$service_id] = $service;
    }

    /**
     * Callback for the get method on the mocked service container.
     *
     * @param string $service_id
     *   The service identifier being called.
     *
     * @return mixed
     *   A (mocked) service class if one has been set for the given service id
     *   or NULL.
     */
    public function containerMockGetServiceCallback($service_id) {
      if (isset($this->services[$service_id])) {
        return $this->services[$service_id];
      }
      return NULL;
    }

  }
}
namespace {
  if (!function_exists('t')) {
    function t($string, array $args = []) {
      return strtr($string, $args);
    }
  }
  if (!function_exists('drupal_static_reset')) {
    function drupal_static_reset() {
    }
  }
}

Classes

Name	Description
UnitTestBase