class EditorFileUsageTest

class EditorFileUsageTest extends EntityKernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'editor',
        'editor_test',
        'node',
        'file',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('file');
        $this->installSchema('node', [
            'node_access',
        ]);
        $this->installSchema('file', [
            'file_usage',
        ]);
        $this->installConfig([
            'node',
        ]);
        // Add text formats.
        $filtered_html_format = FilterFormat::create([
            'format' => 'filtered_html',
            'name' => 'Filtered HTML',
            'weight' => 0,
            'filters' => [],
        ]);
        $filtered_html_format->save();
        // Set cardinality for body field.
        FieldStorageConfig::loadByName('node', 'body')->setCardinality(FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED)
            ->save();
        // Set up text editor.
        $editor = Editor::create([
            'format' => 'filtered_html',
            'editor' => 'unicorn',
        ]);
        $editor->save();
        // Create a node type for testing.
        $type = NodeType::create([
            'type' => 'page',
            'name' => 'page',
        ]);
        $type->save();
        node_add_body_field($type);
        FieldStorageConfig::create([
            'field_name' => 'description',
            'entity_type' => 'node',
            'type' => 'editor_test_text_long',
            'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
        ])->save();
        FieldConfig::create([
            'field_name' => 'description',
            'entity_type' => 'node',
            'bundle' => 'page',
            'label' => 'Description',
        ])->save();
    }
    
    /**
     * Tests file save operations when node with referenced files is saved.
     */
    public function testFileSaveOperations() {
        $permanent_image = File::create([
            'uri' => 'core/misc/druplicon.png',
            'status' => 1,
        ]);
        $permanent_image->save();
        $temporary_image = File::create([
            'uri' => 'core/misc/tree.png',
            'status' => 0,
        ]);
        $temporary_image->save();
        $body_value = '<img data-entity-type="file" data-entity-uuid="' . $permanent_image->uuid() . '" />';
        $body_value .= '<img data-entity-type="file" data-entity-uuid="' . $temporary_image->uuid() . '" />';
        $body[] = [
            'value' => $body_value,
            'format' => 'filtered_html',
        ];
        $node = Node::create([
            'type' => 'page',
            'title' => 'test',
            'body' => $body,
            'uid' => 1,
        ]);
        $node->save();
        $file_save_count = \Drupal::state()->get('editor_test.file_save_count', []);
        $this->assertEquals(1, $file_save_count[$permanent_image->getFilename()]);
        $this->assertEquals(2, $file_save_count[$temporary_image->getFilename()]);
        // Assert both images are now permanent.
        $permanent_image = File::load($permanent_image->id());
        $temporary_image = File::load($temporary_image->id());
        $this->assertTrue($permanent_image->isPermanent(), 'Permanent image was saved as permanent.');
        $this->assertTrue($temporary_image->isPermanent(), 'Temporary image was saved as permanent.');
    }
    
    /**
     * Tests the configurable text editor manager.
     */
    public function testEditorEntityHooks() {
        $image_paths = [
            0 => 'core/misc/druplicon.png',
            1 => 'core/misc/tree.png',
            2 => 'core/misc/help.png',
        ];
        $image_entities = [];
        foreach ($image_paths as $key => $image_path) {
            $image = File::create();
            $image->setFileUri($image_path);
            $image->setFilename(\Drupal::service('file_system')->basename($image->getFileUri()));
            $image->save();
            $file_usage = $this->container
                ->get('file.usage');
            $this->assertSame([], $file_usage->listUsage($image), 'The image ' . $image_paths[$key] . ' has zero usages.');
            $image_entities[] = $image;
        }
        $body = [];
        $description = [];
        foreach ($image_entities as $key => $image_entity) {
            // Don't be rude, say hello.
            $body_value = '<p>Hello, world!</p>';
            // Test handling of a valid image entry.
            $body_value .= '<img src="awesome-llama-' . $key . '.jpg" data-entity-type="file" data-entity-uuid="' . $image_entity->uuid() . '" />';
            // Test handling of an invalid data-entity-uuid attribute.
            $body_value .= '<img src="awesome-llama-' . $key . '.jpg" data-entity-type="file" data-entity-uuid="invalid-entity-uuid-value" />';
            // Test handling of an invalid data-entity-type attribute.
            $body_value .= '<img src="awesome-llama-' . $key . '.jpg" data-entity-type="invalid-entity-type-value" data-entity-uuid="' . $image_entity->uuid() . '" />';
            // Test handling of a non-existing UUID.
            $body_value .= '<img src="awesome-llama-' . $key . '.jpg" data-entity-type="file" data-entity-uuid="30aac704-ba2c-40fc-b609-9ed121aa90f4" />';
            $body[] = [
                'value' => $body_value,
                'format' => 'filtered_html',
            ];
            $description[] = [
                'value' => 'something',
                'format' => 'filtered_html',
            ];
        }
        // Test editor_entity_insert(): increment.
        $this->createUser();
        $node = $node = Node::create([
            'type' => 'page',
            'title' => 'test',
            'body' => $body,
            'description' => $description,
            'uid' => 1,
        ]);
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '1',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 1 usage.');
        }
        // Test editor_entity_update(): increment, twice, by creating new revisions.
        $node->setNewRevision(TRUE);
        $node->save();
        $second_revision_id = $node->getRevisionId();
        $node->setNewRevision(TRUE);
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '3',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 3 usages.');
        }
        // Test hook_entity_update(): decrement, by modifying the last revision:
        // remove the data-entity-type attribute from the body field.
        $original_values = [];
        for ($i = 0; $i < count($image_entities); $i++) {
            $original_value = $node->body[$i]->value;
            $new_value = str_replace('data-entity-type', 'data-entity-type-modified', $original_value);
            $node->body[$i]->value = $new_value;
            $original_values[$i] = $original_value;
        }
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '2',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 2 usages.');
        }
        // Test editor_entity_update(): increment again by creating a new revision:
        // read the data- attributes to the body field.
        $node->setNewRevision(TRUE);
        foreach ($original_values as $key => $original_value) {
            $node->body[$key]->value = $original_value;
        }
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '3',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 3 usages.');
        }
        // Test hook_entity_update(): decrement, by modifying the last revision:
        // remove the data-entity-uuid attribute from the body field.
        foreach ($original_values as $key => $original_value) {
            $original_value = $node->body[$key]->value;
            $new_value = str_replace('data-entity-type', 'data-entity-type-modified', $original_value);
            $node->body[$key]->value = $new_value;
        }
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '2',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 2 usages.');
        }
        // Test hook_entity_update(): increment, by modifying the last revision:
        // read the data- attributes to the body field.
        foreach ($original_values as $key => $original_value) {
            $node->body[$key]->value = $original_value;
        }
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '3',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 3 usages.');
        }
        // Test editor_entity_revision_delete(): decrement, by deleting a revision.
        $this->container
            ->get('entity_type.manager')
            ->getStorage('node')
            ->deleteRevision($second_revision_id);
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '2',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 2 usages.');
        }
        // Populate both the body and summary. Because this will be the same
        // revision of the same node, it will record only one usage.
        foreach ($original_values as $key => $original_value) {
            $node->body[$key]->value = $original_value;
            $node->body[$key]->summary = $original_value;
        }
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '2',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 2 usages.');
        }
        // Empty out the body value, but keep the summary. The number of usages
        // should not change.
        foreach ($original_values as $key => $original_value) {
            $node->body[$key]->value = '';
            $node->body[$key]->summary = $original_value;
        }
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '2',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 2 usages.');
        }
        // Empty out the body and summary. The number of usages should decrease by
        // one.
        foreach ($original_values as $key => $original_value) {
            $node->body[$key]->value = '';
            $node->body[$key]->summary = '';
        }
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '1',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 1 usage.');
        }
        // Set the field of a custom field type that is a subclass of
        // Drupal\text\Plugin\Field\FieldType\TextItemBase. The number of usages
        // should increase by one.
        foreach ($original_values as $key => $original_value) {
            $node->description[$key]->value = $original_value;
        }
        $node->save();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([
                'editor' => [
                    'node' => [
                        1 => '2',
                    ],
                ],
            ], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has 2 usages.');
        }
        // Test editor_entity_delete().
        $node->delete();
        foreach ($image_entities as $key => $image_entity) {
            $this->assertSame([], $file_usage->listUsage($image_entity), 'The image ' . $image_paths[$key] . ' has zero usages again.');
        }
    }

}