class AuthenticationCollectorTest

class AuthenticationCollectorTest extends UnitTestCase {
  
  /**
   * Tests adding, getting, and order of priorities.
   *
   * @covers ::addProvider
   * @covers ::getSortedProviders
   * @covers ::getProvider
   * @covers ::isGlobal
   */
  public function testAuthenticationCollector() {
    $providers = [];
    $global = [];
    $authentication_collector = new AuthenticationCollector();
    $priorities = [
      2,
      0,
      -8,
      10,
      1,
      3,
      -5,
      0,
      6,
      -10,
      -4,
    ];
    foreach ($priorities as $priority) {
      $provider_id = $this->randomMachineName();
      $provider = new TestAuthenticationProvider($provider_id);
      $providers[$priority][$provider_id] = $provider;
      $global[$provider_id] = rand(0, 1) > 0.5;
      $authentication_collector->addProvider($provider, $provider_id, $priority, $global[$provider_id]);
    }
    // Sort the $providers array by priority (highest number is lowest priority)
    // and compare with AuthenticationCollector::getSortedProviders().
    krsort($providers);
    // Merge nested providers from $providers into $sorted_providers.
    $sorted_providers = array_merge([], ...$providers);
    $this->assertEquals($sorted_providers, $authentication_collector->getSortedProviders());
    // Test AuthenticationCollector::getProvider() and
    // AuthenticationCollector::isGlobal().
    foreach ($sorted_providers as $provider) {
      $this->assertEquals($provider, $authentication_collector->getProvider($provider->providerId));
      $this->assertEquals($global[$provider->providerId], $authentication_collector->isGlobal($provider->providerId));
    }
  }

}