function MediaSourceTest::testMetadataMapping

Tests metadata mapping functionality.

File

core/modules/media/tests/src/Kernel/MediaSourceTest.php, line 138

Class

MediaSourceTest

Tests media source plugins related logic.

Namespace

Code

public function testMetadataMapping() : void {
    $field_name = 'field_to_map_to';
    $attribute_name = 'attribute_to_map';
    $storage = FieldStorageConfig::create([
        'entity_type' => 'media',
        'field_name' => $field_name,
        'type' => 'string',
    ]);
    $storage->save();
    FieldConfig::create([
        'field_storage' => $storage,
        'bundle' => $this->testMediaType
            ->id(),
        'label' => 'Field to map to',
    ])
        ->save();
    // Save the entity without defining the metadata mapping and check that the
    // field stays empty.
    
    /** @var \Drupal\media\MediaInterface $media */
    $media = Media::create([
        'bundle' => $this->testMediaType
            ->id(),
        'field_media_test' => 'some_value',
    ]);
    $media->save();
    $this->assertEmpty($media->get($field_name)->value, 'Field stayed empty.');
    // Make sure that source plugin returns NULL for non-existing fields.
    $this->testMediaType
        ->setFieldMap([
        'not_here_at_all' => $field_name,
    ])
        ->save();
    $media = Media::create([
        'bundle' => $this->testMediaType
            ->id(),
        'field_media_test' => 'some_value',
    ]);
    $media_source = $media->getSource();
    $this->assertNull($media_source->getMetadata($media, 'not_here_at_all'), 'NULL is not returned if asking for a value of non-existing metadata.');
    $media->save();
    $this->assertTrue($media->get($field_name)
        ->isEmpty(), 'Non-existing metadata attribute was wrongly mapped to the field.');
    // Define mapping and make sure that the value was stored in the field.
    \Drupal::state()->set('media_source_test_attributes', [
        $attribute_name => [
            'title' => 'Attribute to map',
            'value' => 'Snowball',
        ],
    ]);
    $this->testMediaType
        ->setFieldMap([
        $attribute_name => $field_name,
    ])
        ->save();
    $media = Media::create([
        'bundle' => $this->testMediaType
            ->id(),
        'field_media_test' => 'some_value',
    ]);
    $media_source = $media->getSource();
    $this->assertSame('Snowball', $media_source->getMetadata($media, $attribute_name), 'Value of the metadata attribute is not correct.');
    $media->save();
    $this->assertSame('Snowball', $media->get($field_name)->value, 'Metadata attribute was not mapped to the field.');
    // Change the metadata attribute value and re-save the entity. Field value
    // should stay the same.
    \Drupal::state()->set('media_source_test_attributes', [
        $attribute_name => [
            'title' => 'Attribute to map',
            'value' => 'Pinkeye',
        ],
    ]);
    $this->assertSame('Pinkeye', $media_source->getMetadata($media, $attribute_name), 'Value of the metadata attribute is not correct.');
    $media->save();
    $this->assertSame('Snowball', $media->get($field_name)->value, 'Metadata attribute was not mapped to the field.');
    // Now change the value of the source field and make sure that the mapped
    // values update too.
    $this->assertSame('Pinkeye', $media_source->getMetadata($media, $attribute_name), 'Value of the metadata attribute is not correct.');
    $media->set('field_media_test', 'some_new_value');
    $media->save();
    $this->assertSame('Pinkeye', $media->get($field_name)->value, 'Metadata attribute was not mapped to the field.');
    // Remove the value of the mapped field and make sure that it is re-mapped
    // on save.
    \Drupal::state()->set('media_source_test_attributes', [
        $attribute_name => [
            'title' => 'Attribute to map',
            'value' => 'Snowball',
        ],
    ]);
    $media->{$field_name}->value = NULL;
    $this->assertSame('Snowball', $media_source->getMetadata($media, $attribute_name), 'Value of the metadata attribute is not correct.');
    $media->save();
    $this->assertSame('Snowball', $media->get($field_name)->value, 'Metadata attribute was not mapped to the field.');
}