class FieldBlockTest

class FieldBlockTest extends EntityKernelTestBase {
    
    /**
     * The entity field manager.
     *
     * @var \Drupal\Core\Entity\EntityFieldManagerInterface
     */
    protected $entityFieldManager;
    
    /**
     * The logger.
     *
     * @var \Psr\Log\LoggerInterface
     */
    protected $logger;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->entityFieldManager = $this->prophesize(EntityFieldManagerInterface::class);
        $this->logger = $this->prophesize(LoggerInterface::class);
    }
    
    /**
     * Tests entity access.
     *
     * @covers ::blockAccess
     * @dataProvider providerTestBlockAccessNotAllowed
     */
    public function testBlockAccessEntityNotAllowed($expected, $entity_access) : void {
        $entity = $this->prophesize(FieldableEntityInterface::class);
        $block = $this->getTestBlock($entity);
        $account = $this->prophesize(AccountInterface::class);
        $entity->access('view', $account->reveal(), TRUE)
            ->willReturn($entity_access);
        $entity->hasField()
            ->shouldNotBeCalled();
        $access = $block->access($account->reveal(), TRUE);
        $this->assertSame($expected, $access->isAllowed());
    }
    
    /**
     * Provides test data for ::testBlockAccessEntityNotAllowed().
     */
    public static function providerTestBlockAccessNotAllowed() {
        $data = [];
        $data['entity_forbidden'] = [
            FALSE,
            AccessResult::forbidden(),
        ];
        $data['entity_neutral'] = [
            FALSE,
            AccessResult::neutral(),
        ];
        return $data;
    }
    
    /**
     * Tests unfieldable entity.
     *
     * @covers ::blockAccess
     */
    public function testBlockAccessEntityAllowedNotFieldable() : void {
        $entity = $this->prophesize(EntityInterface::class);
        $block = $this->getTestBlock($entity);
        $account = $this->prophesize(AccountInterface::class);
        $entity->access('view', $account->reveal(), TRUE)
            ->willReturn(AccessResult::allowed());
        $access = $block->access($account->reveal(), TRUE);
        $this->assertFalse($access->isAllowed());
    }
    
    /**
     * Tests fieldable entity without a particular field.
     *
     * @covers ::blockAccess
     */
    public function testBlockAccessEntityAllowedNoField() : void {
        $entity = $this->prophesize(FieldableEntityInterface::class);
        $block = $this->getTestBlock($entity);
        $account = $this->prophesize(AccountInterface::class);
        $entity->access('view', $account->reveal(), TRUE)
            ->willReturn(AccessResult::allowed());
        $entity->hasField('the_field_name')
            ->willReturn(FALSE);
        $entity->get('the_field_name')
            ->shouldNotBeCalled();
        $access = $block->access($account->reveal(), TRUE);
        $this->assertFalse($access->isAllowed());
    }
    
    /**
     * Tests field access.
     *
     * @covers ::blockAccess
     * @dataProvider providerTestBlockAccessNotAllowed
     */
    public function testBlockAccessEntityAllowedFieldNotAllowed($expected, $field_access) : void {
        $entity = $this->prophesize(FieldableEntityInterface::class);
        $block = $this->getTestBlock($entity);
        $account = $this->prophesize(AccountInterface::class);
        $entity->access('view', $account->reveal(), TRUE)
            ->willReturn(AccessResult::allowed());
        $entity->hasField('the_field_name')
            ->willReturn(TRUE);
        $field = $this->prophesize(FieldItemListInterface::class);
        $entity->get('the_field_name')
            ->willReturn($field->reveal());
        $field->access('view', $account->reveal(), TRUE)
            ->willReturn($field_access);
        $field->isEmpty()
            ->shouldNotBeCalled();
        $access = $block->access($account->reveal(), TRUE);
        $this->assertSame($expected, $access->isAllowed());
    }
    
    /**
     * Tests populated vs empty build.
     *
     * @covers ::blockAccess
     * @covers ::build
     * @dataProvider providerTestBlockAccessEntityAllowedFieldHasValue
     */
    public function testBlockAccessEntityAllowedFieldHasValue($expected, $is_empty, $default_value) : void {
        $entity = $this->prophesize(FieldableEntityInterface::class);
        $block = $this->getTestBlock($entity);
        $account = $this->prophesize(AccountInterface::class);
        $entity->access('view', $account->reveal(), TRUE)
            ->willReturn(AccessResult::allowed());
        $entity->hasField('the_field_name')
            ->willReturn(TRUE);
        $field = $this->prophesize(FieldItemListInterface::class);
        $field_definition = $this->prophesize(FieldDefinitionInterface::class);
        $field->getFieldDefinition()
            ->willReturn($field_definition->reveal());
        $field_definition->getDefaultValue($entity->reveal())
            ->willReturn($default_value);
        $field_definition->getType()
            ->willReturn('not_an_image');
        $entity->get('the_field_name')
            ->willReturn($field->reveal());
        $field->access('view', $account->reveal(), TRUE)
            ->willReturn(AccessResult::allowed());
        $field->isEmpty()
            ->willReturn($is_empty)
            ->shouldBeCalled();
        $access = $block->access($account->reveal(), TRUE);
        $this->assertSame($expected, $access->isAllowed());
    }
    
    /**
     * Provides test data for ::testBlockAccessEntityAllowedFieldHasValue().
     */
    public static function providerTestBlockAccessEntityAllowedFieldHasValue() {
        $data = [];
        $data['empty'] = [
            FALSE,
            TRUE,
            FALSE,
        ];
        $data['populated'] = [
            TRUE,
            FALSE,
            FALSE,
        ];
        $data['empty, with default'] = [
            TRUE,
            TRUE,
            TRUE,
        ];
        return $data;
    }
    
    /**
     * Instantiates a block for testing.
     *
     * @param \Prophecy\Prophecy\ProphecyInterface $entity_prophecy
     *   An entity prophecy for use as an entity context value.
     * @param array $configuration
     *   A configuration array containing information about the plugin instance.
     * @param array $plugin_definition
     *   The plugin implementation definition.
     *
     * @return \Drupal\layout_builder\Plugin\Block\FieldBlock
     *   The block to test.
     */
    protected function getTestBlock(ProphecyInterface $entity_prophecy, array $configuration = [], array $plugin_definition = []) {
        $entity_prophecy->getCacheContexts()
            ->willReturn([]);
        $entity_prophecy->getCacheTags()
            ->willReturn([]);
        $entity_prophecy->getCacheMaxAge()
            ->willReturn(0);
        $plugin_definition += [
            'provider' => 'test',
            'default_formatter' => '',
            'category' => 'Test',
            'admin_label' => 'Test Block',
            'bundles' => [
                'entity_test',
            ],
            'context_definitions' => [
                'entity' => EntityContextDefinition::fromEntityTypeId('entity_test')->setLabel('Test'),
                'view_mode' => new ContextDefinition('string'),
            ],
        ];
        $formatter_manager = $this->prophesize(FormatterPluginManager::class);
        $module_handler = $this->prophesize(ModuleHandlerInterface::class);
        $block = new FieldBlock($configuration, 'field_block:entity_test:entity_test:the_field_name', $plugin_definition, $this->entityFieldManager
            ->reveal(), $formatter_manager->reveal(), $module_handler->reveal(), $this->logger
            ->reveal());
        $block->setContextValue('entity', $entity_prophecy->reveal());
        $block->setContextValue('view_mode', 'default');
        return $block;
    }
    
    /**
     * @covers ::build
     * @dataProvider providerTestBuild
     */
    public function testBuild(PromiseInterface $promise, $expected_markup, $log_message = '', $log_arguments = []) : void {
        $entity = $this->prophesize(FieldableEntityInterface::class);
        $field = $this->prophesize(FieldItemListInterface::class);
        $entity->get('the_field_name')
            ->willReturn($field->reveal());
        $field->view(Argument::type('array'))
            ->will($promise);
        $field_definition = $this->prophesize(FieldDefinitionInterface::class);
        $field_definition->getLabel()
            ->willReturn('The Field Label');
        $this->entityFieldManager
            ->getFieldDefinitions('entity_test', 'entity_test')
            ->willReturn([
            'the_field_name' => $field_definition,
        ]);
        if ($log_message) {
            $this->logger
                ->warning($log_message, $log_arguments)
                ->shouldBeCalled();
        }
        else {
            $this->logger
                ->warning(Argument::cetera())
                ->shouldNotBeCalled();
        }
        $block = $this->getTestBlock($entity);
        $expected = [
            '#cache' => [
                'contexts' => [],
                'tags' => [],
                'max-age' => 0,
            ],
        ];
        if ($expected_markup) {
            $expected[0]['content']['#markup'] = $expected_markup;
        }
        $actual = $block->build();
        $this->assertEquals($expected, $actual);
    }
    
    /**
     * Provides test data for ::testBuild().
     */
    public static function providerTestBuild() {
        $data = [];
        $data['array'] = [
            new ReturnPromise([
                [
                    'content' => [
                        '#markup' => 'The field value',
                    ],
                ],
            ]),
            'The field value',
        ];
        $data['empty array'] = [
            new ReturnPromise([
                [],
            ]),
            '',
        ];
        return $data;
    }
    
    /**
     * @covers ::build
     */
    public function testBuildException() : void {
        // In PHP 7.4 ReflectionClass cannot be serialized so this cannot be part of
        // providerTestBuild().
        $promise = new ThrowPromise(new \Exception('The exception message'));
        $this->testBuild($promise, '', 'The field "%field" failed to render with the error of "%error".', [
            '%field' => 'the_field_name',
            '%error' => 'The exception message',
        ]);
    }
    
    /**
     * Tests a field block that throws a form exception.
     *
     * @todo Remove in https://www.drupal.org/project/drupal/issues/2367555.
     */
    public function testBuildWithFormException() : void {
        $field = $this->prophesize(FieldItemListInterface::class);
        $field->view(Argument::type('array'))
            ->willThrow(new EnforcedResponseException(new Response()));
        $entity = $this->prophesize(FieldableEntityInterface::class);
        $entity->get('the_field_name')
            ->willReturn($field->reveal());
        $block = $this->getTestBlock($entity);
        $this->expectException(EnforcedResponseException::class);
        $block->build();
    }

}