ServiceLocatorTestCase.php
98 lines
| 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * This file is part of the Symfony package. |
| 5 | * |
| 6 | * (c) Fabien Potencier <fabien@symfony.com> |
| 7 | * |
| 8 | * For the full copyright and license information, please view the LICENSE |
| 9 | * file that was distributed with this source code. |
| 10 | */ |
| 11 | |
| 12 | namespace Symfony\Contracts\Service\Test; |
| 13 | |
| 14 | use PHPUnit\Framework\TestCase; |
| 15 | use Psr\Container\ContainerExceptionInterface; |
| 16 | use Psr\Container\ContainerInterface; |
| 17 | use Psr\Container\NotFoundExceptionInterface; |
| 18 | use Symfony\Contracts\Service\ServiceLocatorTrait; |
| 19 | |
| 20 | abstract class ServiceLocatorTestCase extends TestCase |
| 21 | { |
| 22 | /** |
| 23 | * @param array<string, callable> $factories |
| 24 | */ |
| 25 | protected function getServiceLocator(array $factories): ContainerInterface |
| 26 | { |
| 27 | return new class($factories) implements ContainerInterface { |
| 28 | use ServiceLocatorTrait; |
| 29 | }; |
| 30 | } |
| 31 | |
| 32 | public function testHas() |
| 33 | { |
| 34 | $locator = $this->getServiceLocator([ |
| 35 | 'foo' => fn () => 'bar', |
| 36 | 'bar' => fn () => 'baz', |
| 37 | fn () => 'dummy', |
| 38 | ]); |
| 39 | |
| 40 | $this->assertTrue($locator->has('foo')); |
| 41 | $this->assertTrue($locator->has('bar')); |
| 42 | $this->assertFalse($locator->has('dummy')); |
| 43 | } |
| 44 | |
| 45 | public function testGet() |
| 46 | { |
| 47 | $locator = $this->getServiceLocator([ |
| 48 | 'foo' => fn () => 'bar', |
| 49 | 'bar' => fn () => 'baz', |
| 50 | ]); |
| 51 | |
| 52 | $this->assertSame('bar', $locator->get('foo')); |
| 53 | $this->assertSame('baz', $locator->get('bar')); |
| 54 | } |
| 55 | |
| 56 | public function testGetDoesNotMemoize() |
| 57 | { |
| 58 | $i = 0; |
| 59 | $locator = $this->getServiceLocator([ |
| 60 | 'foo' => function () use (&$i) { |
| 61 | ++$i; |
| 62 | |
| 63 | return 'bar'; |
| 64 | }, |
| 65 | ]); |
| 66 | |
| 67 | $this->assertSame('bar', $locator->get('foo')); |
| 68 | $this->assertSame('bar', $locator->get('foo')); |
| 69 | $this->assertSame(2, $i); |
| 70 | } |
| 71 | |
| 72 | public function testThrowsOnUndefinedInternalService() |
| 73 | { |
| 74 | $locator = $this->getServiceLocator([ |
| 75 | 'foo' => function () use (&$locator) { return $locator->get('bar'); }, |
| 76 | ]); |
| 77 | |
| 78 | $this->expectException(NotFoundExceptionInterface::class); |
| 79 | $this->expectExceptionMessage('The service "foo" has a dependency on a non-existent service "bar". This locator only knows about the "foo" service.'); |
| 80 | |
| 81 | $locator->get('foo'); |
| 82 | } |
| 83 | |
| 84 | public function testThrowsOnCircularReference() |
| 85 | { |
| 86 | $locator = $this->getServiceLocator([ |
| 87 | 'foo' => function () use (&$locator) { return $locator->get('bar'); }, |
| 88 | 'bar' => function () use (&$locator) { return $locator->get('baz'); }, |
| 89 | 'baz' => function () use (&$locator) { return $locator->get('bar'); }, |
| 90 | ]); |
| 91 | |
| 92 | $this->expectException(ContainerExceptionInterface::class); |
| 93 | $this->expectExceptionMessage('Circular reference detected for service "bar", path: "bar -> baz -> bar".'); |
| 94 | |
| 95 | $locator->get('foo'); |
| 96 | } |
| 97 | } |
| 98 |