function EntityReferenceFormatterTest::testIdFormatter

Tests the ID formatter.

File

core/modules/field/tests/src/Kernel/EntityReference/EntityReferenceFormatterTest.php, line 186

Class

EntityReferenceFormatterTest

Tests the formatters functionality.

Namespace

Code

public function testIdFormatter() {
    $formatter = 'entity_reference_entity_id';
    $build = $this->buildRenderArray([
        $this->referencedEntity,
        $this->unsavedReferencedEntity,
    ], $formatter);
    $this->assertEquals($this->referencedEntity
        ->id(), $build[0]['#plain_text'], sprintf('The markup returned by the %s formatter is correct for an item with a saved entity.', $formatter));
    $this->assertEquals($this->referencedEntity
        ->getCacheTags(), $build[0]['#cache']['tags'], sprintf('The %s formatter has the expected cache tags.', $formatter));
    $this->assertTrue(!isset($build[1]), sprintf('The markup returned by the %s formatter is correct for an item with a unsaved entity.', $formatter));
}