--- /dev/null
+<?php
+
+namespace Drupal\Tests\Core\ParamConverter;
+
+use Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException;
+use Drupal\Core\ParamConverter\EntityConverter;
+use Drupal\Core\ParamConverter\ParamNotConvertedException;
+use Drupal\Tests\UnitTestCase;
+use Symfony\Component\Routing\Route;
+
+/**
+ * @coversDefaultClass \Drupal\Core\ParamConverter\EntityConverter
+ * @group ParamConverter
+ * @group Entity
+ */
+class EntityConverterTest extends UnitTestCase {
+
+ /**
+ * The mocked entity manager.
+ *
+ * @var \Drupal\Core\Entity\EntityManagerInterface|\PHPUnit_Framework_MockObject_MockObject
+ */
+ protected $entityManager;
+
+ /**
+ * The tested entity converter.
+ *
+ * @var \Drupal\Core\ParamConverter\EntityConverter
+ */
+ protected $entityConverter;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ $this->entityManager = $this->getMock('Drupal\Core\Entity\EntityManagerInterface');
+
+ $this->entityConverter = new EntityConverter($this->entityManager);
+ }
+
+ /**
+ * Tests the applies() method.
+ *
+ * @dataProvider providerTestApplies
+ *
+ * @covers ::applies
+ */
+ public function testApplies(array $definition, $name, Route $route, $applies) {
+ $this->entityManager->expects($this->any())
+ ->method('hasDefinition')
+ ->willReturnCallback(function($entity_type) {
+ return 'entity_test' == $entity_type;
+ });
+ $this->assertEquals($applies, $this->entityConverter->applies($definition, $name, $route));
+ }
+
+ /**
+ * Provides test data for testApplies()
+ */
+ public function providerTestApplies() {
+ $data = [];
+ $data[] = [['type' => 'entity:foo'], 'foo', new Route('/test/{foo}/bar'), FALSE];
+ $data[] = [['type' => 'entity:entity_test'], 'foo', new Route('/test/{foo}/bar'), TRUE];
+ $data[] = [['type' => 'entity:entity_test'], 'entity_test', new Route('/test/{entity_test}/bar'), TRUE];
+ $data[] = [['type' => 'entity:{entity_test}'], 'entity_test', new Route('/test/{entity_test}/bar'), FALSE];
+ $data[] = [['type' => 'entity:{entity_type}'], 'entity_test', new Route('/test/{entity_type}/{entity_test}/bar'), TRUE];
+ $data[] = [['type' => 'foo'], 'entity_test', new Route('/test/{entity_type}/{entity_test}/bar'), FALSE];
+
+ return $data;
+ }
+
+ /**
+ * Tests the convert() method.
+ *
+ * @dataProvider providerTestConvert
+ *
+ * @covers ::convert
+ */
+ public function testConvert($value, array $definition, array $defaults, $expected_result) {
+ $entity_storage = $this->getMock('Drupal\Core\Entity\EntityStorageInterface');
+ $this->entityManager->expects($this->once())
+ ->method('getStorage')
+ ->with('entity_test')
+ ->willReturn($entity_storage);
+ $entity_storage->expects($this->any())
+ ->method('load')
+ ->willReturnMap([
+ ['valid_id', (object) ['id' => 'valid_id']],
+ ['invalid_id', NULL],
+ ]);
+
+ $this->assertEquals($expected_result, $this->entityConverter->convert($value, $definition, 'foo', $defaults));
+ }
+
+ /**
+ * Provides test data for testConvert
+ */
+ public function providerTestConvert() {
+ $data = [];
+ // Existing entity type.
+ $data[] = ['valid_id', ['type' => 'entity:entity_test'], ['foo' => 'valid_id'], (object) ['id' => 'valid_id']];
+ // Invalid ID.
+ $data[] = ['invalid_id', ['type' => 'entity:entity_test'], ['foo' => 'invalid_id'], NULL];
+ // Entity type placeholder.
+ $data[] = ['valid_id', ['type' => 'entity:{entity_type}'], ['foo' => 'valid_id', 'entity_type' => 'entity_test'], (object) ['id' => 'valid_id']];
+
+ return $data;
+ }
+
+ /**
+ * Tests the convert() method with an invalid entity type.
+ */
+ public function testConvertWithInvalidEntityType() {
+ $this->entityManager->expects($this->once())
+ ->method('getStorage')
+ ->with('invalid_id')
+ ->willThrowException(new InvalidPluginDefinitionException('invalid_id'));
+
+ $this->setExpectedException(InvalidPluginDefinitionException::class);
+ $this->entityConverter->convert('id', ['type' => 'entity:invalid_id'], 'foo', ['foo' => 'id']);
+ }
+
+ /**
+ * Tests the convert() method with an invalid dynamic entity type.
+ */
+ public function testConvertWithInvalidDynamicEntityType() {
+ $this->setExpectedException(ParamNotConvertedException::class, 'The "foo" parameter was not converted because the "invalid_id" parameter is missing');
+ $this->entityConverter->convert('id', ['type' => 'entity:{invalid_id}'], 'foo', ['foo' => 'id']);
+ }
+
+}