class LazyContextRepositoryTest

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 = []) {
    $contexts = [];
    for ($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;
  }

}