class EntityConditionTest

class EntityConditionTest extends UnitTestCase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $container = new Container();
        $cache_context_manager = $this->prophesize(CacheContextsManager::class);
        $cache_context_manager->assertValidTokens(Argument::any())
            ->willReturn(TRUE);
        $container->set('cache_contexts_manager', $cache_context_manager->reveal());
        \Drupal::setContainer($container);
    }
    
    /**
     * @covers ::createFromQueryParameter
     * @dataProvider queryParameterProvider
     */
    public function testCreateFromQueryParameter($case) {
        $condition = EntityCondition::createFromQueryParameter($case);
        $this->assertEquals($case['path'], $condition->field());
        $this->assertEquals($case['value'], $condition->value());
        if (isset($case['operator'])) {
            $this->assertEquals($case['operator'], $condition->operator());
        }
    }
    
    /**
     * Data provider for testDenormalize.
     */
    public function queryParameterProvider() {
        return [
            [
                [
                    'path' => 'some_field',
                    'value' => NULL,
                    'operator' => '=',
                ],
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => '=',
                    'value' => 'some_string',
                ],
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => '<>',
                    'value' => 'some_string',
                ],
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => 'NOT BETWEEN',
                    'value' => 'some_string',
                ],
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => 'BETWEEN',
                    'value' => [
                        'some_string',
                    ],
                ],
            ],
        ];
    }
    
    /**
     * @covers ::validate
     * @dataProvider validationProvider
     */
    public function testValidation($input, $exception) {
        if ($exception) {
            $this->expectException(get_class($exception));
            $this->expectExceptionMessage($exception->getMessage());
        }
        EntityCondition::createFromQueryParameter($input);
        $this->assertNull($exception, 'No exception was expected.');
    }
    
    /**
     * Data provider for testValidation.
     */
    public function validationProvider() {
        return [
            [
                [
                    'path' => 'some_field',
                    'value' => 'some_value',
                ],
                NULL,
            ],
            [
                [
                    'path' => 'some_field',
                    'value' => 'some_value',
                    'operator' => '=',
                ],
                NULL,
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => 'IS NULL',
                ],
                NULL,
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => 'IS NOT NULL',
                ],
                NULL,
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => 'IS',
                    'value' => 'some_value',
                ],
                new BadRequestHttpException("The 'IS' operator is not allowed in a filter parameter."),
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => 'NOT_ALLOWED',
                    'value' => 'some_value',
                ],
                new BadRequestHttpException("The 'NOT_ALLOWED' operator is not allowed in a filter parameter."),
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => 'IS NULL',
                    'value' => 'should_not_be_here',
                ],
                new BadRequestHttpException("Filters using the 'IS NULL' operator should not provide a value."),
            ],
            [
                [
                    'path' => 'some_field',
                    'operator' => 'IS NOT NULL',
                    'value' => 'should_not_be_here',
                ],
                new BadRequestHttpException("Filters using the 'IS NOT NULL' operator should not provide a value."),
            ],
            [
                [
                    'path' => 'path_only',
                ],
                new BadRequestHttpException("Filter parameter is missing a '" . EntityCondition::VALUE_KEY . "' key."),
            ],
            [
                [
                    'value' => 'value_only',
                ],
                new BadRequestHttpException("Filter parameter is missing a '" . EntityCondition::PATH_KEY . "' key."),
            ],
        ];
    }

}