class TrustedHostsRequestFactoryTest

class TrustedHostsRequestFactoryTest extends UnitTestCase {
  
  /**
   * Tests TrustedHostsRequestFactory::createRequest().
   *
   * @param string $host
   *   The host to pass into TrustedHostsRequestFactory.
   * @param array $server
   *   The server array to pass into
   *   TrustedHostsRequestFactory::createRequest().
   * @param string $expected
   *   The expected host of the created request.
   *
   * @covers ::createRequest
   * @dataProvider providerTestCreateRequest
   */
  public function testCreateRequest($host, $server, $expected) : void {
    $request_factory = new TrustedHostsRequestFactory($host);
    $request = $request_factory->createRequest([], [], [], [], [], $server, []);
    $this->assertEquals($expected, $request->getHost());
  }
  
  /**
   * Provides data for testCreateRequest().
   *
   * @return array
   *   An array of test cases, where each test case is an array with the
   *   following values:
   *   - A string containing the host to pass into TrustedHostsRequestFactory.
   *   - An array containing the server array to pass into
   *   TrustedHostsRequestFactory::createRequest().
   *   - A string containing the expected host of the created request.
   */
  public static function providerTestCreateRequest() {
    $tests = [];
    $tests[] = [
      'example.com',
      [],
      'example.com',
    ];
    $tests[] = [
      'localhost',
      [],
      'localhost',
    ];
    $tests[] = [
      'localhost',
      [
        'HTTP_HOST' => 'localhost',
      ],
      'localhost',
    ];
    $tests[] = [
      'example.com',
      [
        'HTTP_HOST' => 'localhost',
      ],
      'example.com',
    ];
    return $tests;
  }

}