class PluginBaseTest

class PluginBaseTest extends UnitTestCase {
  
  /**
   * The test helper plugin to use for the tests.
   *
   * @var \Drupal\views\Tests\TestHelperPlugin
   */
  protected $testHelperPlugin;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->testHelperPlugin = new TestHelperPlugin([], 'default', []);
  }
  
  /**
   * Tests the unpackOptions method.
   *
   * @param array $storage
   *   The storage array to unpack option into.
   * @param array $options
   *   The array of options to unpack.
   * @param array $definition
   *   The definition array, defining default options.
   * @param array $expected
   *   The expected array after unpacking.
   * @param bool $all
   *   Whether to unpack all options.
   *
   * @dataProvider providerTestUnpackOptions
   * @covers ::unpackOptions
   */
  public function testUnpackOptions($storage, $options, $definition, $expected, $all = FALSE) : void {
    $this->testHelperPlugin
      ->unpackOptions($storage, $options, $definition, $all);
    $this->assertEquals($storage, $expected);
  }
  
  /**
   * Tests the setOptionDefault method.
   *
   * @param array $storage
   *   The storage array to unpack option into.
   * @param array $definition
   *   The definition array, defining default options.
   * @param array $expected
   *   The expected array after unpacking.
   *
   * @dataProvider providerTestSetOptionDefault
   * @covers ::setOptionDefaults
   */
  public function testSetOptionDefault($storage, $definition, $expected) : void {
    $this->testHelperPlugin
      ->testSetOptionDefaults($storage, $definition);
    $this->assertEquals($storage, $expected);
  }
  
  /**
   * Data provider for testUnpackOptions().
   *
   * @return array
   *   An array of test data.
   */
  public static function providerTestUnpackOptions() {
    $test_parameters = [];
    // Set a storage but no value, so the storage value should be kept.
    $test_parameters[] = [
      'storage' => [
        'key' => 'value',
      ],
      'options' => [],
      'definition' => [
        'key' => [
          'default' => 'value2',
        ],
      ],
      'expected' => [
        'key' => 'value',
      ],
    ];
    // Set a storage and an option value, so the option value should be kept.
    $test_parameters[] = [
      'storage' => [
        'key' => 'value',
      ],
      'options' => [
        'key' => 'value2',
      ],
      'definition' => [
        'key' => [
          'default' => 'value3',
        ],
      ],
      'expected' => [
        'key' => 'value2',
      ],
    ];
    // Set no storage but an options value, so the options value should be kept.
    $test_parameters[] = [
      'storage' => [],
      'options' => [
        'key' => 'value',
      ],
      'definition' => [
        'key' => [
          'default' => 'value2',
        ],
      ],
      'expected' => [
        'key' => 'value',
      ],
    ];
    // Set additional options, which aren't part of the definition, so they
    // should be ignored if all is set.
    $test_parameters[] = [
      'storage' => [],
      'options' => [
        'key' => 'value',
        'key2' => 'value2',
      ],
      'definition' => [
        'key' => [
          'default' => 'value2',
        ],
      ],
      'expected' => [
        'key' => 'value',
      ],
    ];
    $test_parameters[] = [
      'storage' => [],
      'options' => [
        'key' => 'value',
        'key2' => 'value2',
      ],
      'definition' => [
        'key' => [
          'default' => 'value2',
        ],
      ],
      'expected' => [
        'key' => 'value',
        'key2' => 'value2',
      ],
      'all' => TRUE,
    ];
    // Provide multiple options with their corresponding definition.
    $test_parameters[] = [
      'storage' => [],
      'options' => [
        'key' => 'value',
        'key2' => 'value2',
      ],
      'definition' => [
        'key' => [
          'default' => 'value2',
        ],
        'key2' => [
          'default' => 'value3',
        ],
      ],
      'expected' => [
        'key' => 'value',
        'key2' => 'value2',
      ],
    ];
    // Set a complex definition structure with a zero and a one level structure.
    $test_parameters[] = [
      'storage' => [],
      'options' => [
        'key0' => 'value',
        'key1' => [
          'key1:1' => 'value1',
          'key1:2' => 'value2',
        ],
      ],
      'definition' => [
        'key0' => [
          'default' => 'value0',
        ],
        'key1' => [
          'contains' => [
            'key1:1' => [
              'default' => 'value1:1',
            ],
          ],
        ],
      ],
      'expected' => [
        'key0' => 'value',
        'key1' => [
          'key1:1' => 'value1',
        ],
      ],
    ];
    // Setup a two level structure.
    $test_parameters[] = [
      'storage' => [],
      'options' => [
        'key2' => [
          'key2:1' => [
            'key2:1:1' => 'value0',
            'key2:1:2' => [
              'key2:1:2:1' => 'value1',
            ],
          ],
        ],
      ],
      'definition' => [
        'key2' => [
          'contains' => [
            'key2:1' => [
              'contains' => [
                'key2:1:1' => [
                  'default' => 'value2:1:2:1',
                ],
                'key2:1:2' => [
                  'contains' => [
                    'key2:1:2:1' => [
                      'default' => 'value2:1:2:1',
                    ],
                  ],
                ],
              ],
            ],
          ],
        ],
      ],
      'expected' => [
        'key2' => [
          'key2:1' => [
            'key2:1:1' => 'value0',
            'key2:1:2' => [
              'key2:1:2:1' => 'value1',
            ],
          ],
        ],
      ],
    ];
    return $test_parameters;
  }
  
  /**
   * Data provider for testSetOptionDefault().
   *
   * @return array
   *   An array of test data.
   */
  public static function providerTestSetOptionDefault() {
    $test_parameters = [];
    // No definition should change anything on the storage.
    $test_parameters[] = [
      'storage' => [],
      'definition' => [],
      'expected' => [],
    ];
    // Set a single definition, which should be picked up.
    $test_parameters[] = [
      'storage' => [],
      'definition' => [
        'key' => [
          'default' => 'value',
        ],
      ],
      'expected' => [
        'key' => 'value',
      ],
    ];
    // Set multiple keys, all should be picked up.
    $test_parameters[] = [
      'storage' => [],
      'definition' => [
        'key' => [
          'default' => 'value',
        ],
        'key2' => [
          'default' => 'value2',
        ],
        'key3' => [
          'default' => 'value3',
        ],
      ],
      'expected' => [
        'key' => 'value',
        'key2' => 'value2',
        'key3' => 'value3',
      ],
    ];
    // Setup a definition with multiple levels.
    $test_parameters[] = [
      'storage' => [],
      'definition' => [
        'key' => [
          'default' => 'value',
        ],
        'key2' => [
          'contains' => [
            'key2:1' => [
              'default' => 'value2:1',
            ],
            'key2:2' => [
              'default' => 'value2:2',
            ],
          ],
        ],
      ],
      'expected' => [
        'key' => 'value',
        'key2' => [
          'key2:1' => 'value2:1',
          'key2:2' => 'value2:2',
        ],
      ],
    ];
    return $test_parameters;
  }
  
  /**
   * @covers ::filterByDefinedOptions
   * @dataProvider providerTestFilterByDefinedOptions
   */
  public function testFilterByDefinedOptions($storage, $options, $expected_storage) : void {
    $this->testHelperPlugin
      ->setDefinedOptions($options);
    $this->testHelperPlugin
      ->filterByDefinedOptions($storage);
    $this->assertEquals($expected_storage, $storage);
  }
  
  /**
   * Provides data to testFilterByDefinedOptions().
   */
  public static function providerTestFilterByDefinedOptions() {
    $data = [];
    // A simple defined option.
    $values_1 = [
      'key1' => 'value1',
    ];
    $options_1 = [
      'key1' => [
        'default' => '',
      ],
    ];
    $data[] = [
      $values_1,
      $options_1,
      $values_1,
    ];
    // Multiple defined options .
    $values_2 = [
      'key1' => 'value1',
      'key2' => 'value2',
    ];
    $options_2 = [
      'key1' => [
        'default' => '',
      ],
      'key2' => [
        'default' => '',
      ],
    ];
    $data[] = [
      $values_2,
      $options_2,
      $values_2,
    ];
    // Multiple options, just one defined.
    $data[] = [
      $values_2,
      $options_1,
      $values_1,
    ];
    // Nested options, all properly defined.
    $data[] = [
      [
        'sub1' => $values_2,
        'sub2' => $values_2,
      ],
      [
        'sub1' => [
          'contains' => $options_2,
        ],
        'sub2' => [
          'contains' => $options_2,
        ],
      ],
      [
        'sub1' => $values_2,
        'sub2' => $values_2,
      ],
    ];
    // Nested options, not all properly defined.
    $data[] = [
      [
        'sub1' => $values_2,
        'sub2' => $values_2,
      ],
      [
        'sub1' => [
          'contains' => $options_2,
        ],
        'sub2' => [
          'contains' => $options_1,
        ],
      ],
      [
        'sub1' => $values_2,
        'sub2' => $values_1,
      ],
    ];
    return $data;
  }

}