Tests using entity fields of the image field type.
public function testImageItem() {
// Create a test entity with the image field set.
$entity = entity_create('entity_test', array());
$entity->image_test->fid = $this->image
->id();
$entity->image_test->alt = $alt = $this
->randomName();
$entity->image_test->title = $title = $this
->randomName();
$entity->name->value = $this
->randomName();
$entity
->save();
$entity = entity_load('entity_test', $entity
->id());
$this
->assertTrue($entity->image_test instanceof FieldInterface, 'Field implements interface.');
$this
->assertTrue($entity->image_test[0] instanceof FieldItemInterface, 'Field item implements interface.');
$this
->assertEqual($entity->image_test->fid, $this->image
->id());
$this
->assertEqual($entity->image_test->alt, $alt);
$this
->assertEqual($entity->image_test->title, $title);
$info = image_get_info('public://example.jpg');
$this
->assertEqual($entity->image_test->width, $info['width']);
$this
->assertEqual($entity->image_test->height, $info['height']);
$this
->assertEqual($entity->image_test->entity
->id(), $this->image
->id());
$this
->assertEqual($entity->image_test->entity
->uuid(), $this->image
->uuid());
// Make sure the computed entity reflects updates to the referenced file.
file_unmanaged_copy(DRUPAL_ROOT . '/core/misc/feed.png', 'public://example-2.jpg');
$image2 = entity_create('file', array(
'uri' => 'public://example-2.jpg',
));
$image2
->save();
$entity->image_test->fid = $image2
->id();
$entity->image_test->alt = $new_alt = $this
->randomName();
// The width and height is only updated when width is not set.
$entity->image_test->width = NULL;
$entity
->save();
$this
->assertEqual($entity->image_test->entity
->id(), $image2
->id());
$this
->assertEqual($entity->image_test->entity->uri, $image2->uri);
$info = image_get_info('public://example-2.jpg');
$this
->assertEqual($entity->image_test->width, $info['width']);
$this
->assertEqual($entity->image_test->height, $info['height']);
$this
->assertEqual($entity->image_test->alt, $new_alt);
// Check that the image item can be set to the referenced file directly.
$entity->image_test = $this->image;
$this
->assertEqual($entity->image_test->fid, $this->image
->id());
// Delete the image and try to save the entity again.
$this->image
->delete();
$entity = entity_create('entity_test', array(
'mame' => $this
->randomName(),
));
$entity
->save();
}