LazyContextRepositoryTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\Plugin\Context;

use Drupal\Core\Plugin\Context\Context;
use Drupal\Core\Plugin\Context\ContextDefinition;
use Drupal\Core\Plugin\Context\LazyContextRepository;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * @coversDefaultClass \Drupal\Core\Plugin\Context\LazyContextRepository
 * @group context
 */
class LazyContextRepositoryTest extends UnitTestCase {
    
    /**
     * The container.
     *
     * @var \Symfony\Component\DependencyInjection\ContainerBuilder
     */
    protected $container;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->container = new ContainerBuilder();
    }
    
    /**
     * @covers ::getRuntimeContexts
     */
    public function testGetRuntimeContextsSingle() : void {
        $contexts = $this->setupContextAndProvider('test_provider', [
            'test_context',
        ]);
        $lazy_context_repository = new LazyContextRepository($this->container, [
            'test_provider',
        ]);
        $run_time_contexts = $lazy_context_repository->getRuntimeContexts([
            '@test_provider:test_context',
        ]);
        $this->assertEquals([
            '@test_provider:test_context' => $contexts[0],
        ], $run_time_contexts);
    }
    
    /**
     * @covers ::getRuntimeContexts
     */
    public function testGetRuntimeMultipleContextsPerService() : void {
        $contexts = $this->setupContextAndProvider('test_provider', [
            'test_context0',
            'test_context1',
        ]);
        $lazy_context_repository = new LazyContextRepository($this->container, [
            'test_provider',
        ]);
        $run_time_contexts = $lazy_context_repository->getRuntimeContexts([
            '@test_provider:test_context0',
            '@test_provider:test_context1',
        ]);
        $this->assertEquals([
            '@test_provider:test_context0' => $contexts[0],
            '@test_provider:test_context1' => $contexts[1],
        ], $run_time_contexts);
    }
    
    /**
     * @covers ::getRuntimeContexts
     */
    public function testGetRuntimeMultipleContextProviders() : void {
        $contexts0 = $this->setupContextAndProvider('test_provider', [
            'test_context0',
            'test_context1',
        ], [
            'test_context0',
        ]);
        $contexts1 = $this->setupContextAndProvider('test_provider2', [
            'test1_context0',
            'test1_context1',
        ], [
            'test1_context0',
        ]);
        $lazy_context_repository = new LazyContextRepository($this->container, [
            'test_provider',
        ]);
        $run_time_contexts = $lazy_context_repository->getRuntimeContexts([
            '@test_provider:test_context0',
            '@test_provider2:test1_context0',
        ]);
        $this->assertEquals([
            '@test_provider:test_context0' => $contexts0[0],
            '@test_provider2:test1_context0' => $contexts1[1],
        ], $run_time_contexts);
    }
    
    /**
     * @covers ::getRuntimeContexts
     */
    public function testInvalidContextId() : void {
        $lazy_context_repository = new LazyContextRepository($this->container, [
            'test_provider',
        ]);
        $this->expectException(\AssertionError::class);
        $this->expectExceptionMessage('You must provide the context IDs in the @{service_id}:{unqualified_context_id} format.');
        $lazy_context_repository->getRuntimeContexts([
            'test_context',
            '@test_provider:test_context1',
        ]);
    }
    
    /**
     * @covers ::getRuntimeContexts
     */
    public function testGetRuntimeStaticCache() : void {
        $context0 = new Context(new ContextDefinition('example'));
        $context1 = new Context(new ContextDefinition('example'));
        $context_provider = $this->prophesize('\\Drupal\\Core\\Plugin\\Context\\ContextProviderInterface');
        $context_provider->getRuntimeContexts([
            'test_context0',
            'test_context1',
        ])
            ->shouldBeCalledTimes(1)
            ->willReturn([
            'test_context0' => $context0,
            'test_context1' => $context1,
        ]);
        $context_provider = $context_provider->reveal();
        $this->container
            ->set('test_provider', $context_provider);
        $lazy_context_repository = new LazyContextRepository($this->container, [
            'test_provider',
        ]);
        $lazy_context_repository->getRuntimeContexts([
            '@test_provider:test_context0',
            '@test_provider:test_context1',
        ]);
        $lazy_context_repository->getRuntimeContexts([
            '@test_provider:test_context0',
            '@test_provider:test_context1',
        ]);
    }
    
    /**
     * @covers ::getAvailableContexts
     */
    public function testGetAvailableContexts() : void {
        $contexts0 = $this->setupContextAndProvider('test_provider0', [
            'test0_context0',
            'test0_context1',
        ]);
        $contexts1 = $this->setupContextAndProvider('test_provider1', [
            'test1_context0',
            'test1_context1',
        ]);
        $lazy_context_repository = new LazyContextRepository($this->container, [
            'test_provider0',
            'test_provider1',
        ]);
        $contexts = $lazy_context_repository->getAvailableContexts();
        $this->assertEquals([
            '@test_provider0:test0_context0' => $contexts0[0],
            '@test_provider0:test0_context1' => $contexts0[1],
            '@test_provider1:test1_context0' => $contexts1[0],
            '@test_provider1:test1_context1' => $contexts1[1],
        ], $contexts);
    }
    
    /**
     * Sets up contexts and context providers.
     *
     * @param string $service_id
     *   The service ID of the service provider.
     * @param string[] $unqualified_context_ids
     *   An array of context slot names.
     * @param string[] $expected_unqualified_context_ids
     *   The expected unqualified context IDs passed to getRuntimeContexts.
     *
     * @return array
     *   An array of set up contexts.
     */
    protected function setupContextAndProvider($service_id, array $unqualified_context_ids, array $expected_unqualified_context_ids = []) : array {
        $contexts = [];
        for ($i = 0; $i < count($unqualified_context_ids); $i++) {
            $contexts[] = new Context(new ContextDefinition('example'));
        }
        $expected_unqualified_context_ids = $expected_unqualified_context_ids ?: $unqualified_context_ids;
        $context_provider = $this->prophesize('\\Drupal\\Core\\Plugin\\Context\\ContextProviderInterface');
        $context_provider->getRuntimeContexts($expected_unqualified_context_ids)
            ->willReturn(array_combine($unqualified_context_ids, $contexts));
        $context_provider->getAvailableContexts()
            ->willReturn(array_combine($unqualified_context_ids, $contexts));
        $context_provider = $context_provider->reveal();
        $this->container
            ->set($service_id, $context_provider);
        return $contexts;
    }

}