class DrupalKernelTest

class DrupalKernelTest extends UnitTestCase {
  
  /**
   * Tests hostname validation with settings.
   *
   * @legacy-covers ::setupTrustedHosts
   */
  public function testTrustedHosts($host, $server_name, $message, $expected = FALSE) : void {
    $request = new Request();
    $trusted_host_patterns = [
      '^example\\.com$',
      '^.+\\.example\\.com$',
      '^example\\.org',
      '^.+\\.example\\.org',
    ];
    if (!empty($host)) {
      $request->headers
        ->set('HOST', $host);
    }
    $request->server
      ->set('SERVER_NAME', $server_name);
    $method = new \ReflectionMethod('Drupal\\Core\\DrupalKernel', 'setupTrustedHosts');
    $valid_host = $method->invoke(NULL, $request, $trusted_host_patterns);
    $this->assertSame($expected, $valid_host, $message);
    // Reset the trusted hosts because it is statically stored on the request.
    $method->invoke(NULL, $request, []);
    // Reset the request factory because it is statically stored on the request.
    Request::setFactory(NULL);
  }
  
  /**
   * Provides test data for testTrustedHosts().
   */
  public static function providerTestTrustedHosts() {
    $data = [];
    // Tests canonical URL.
    $data[] = [
      'www.example.com',
      'www.example.com',
      'canonical URL is trusted',
      TRUE,
    ];
    // Tests missing hostname for HTTP/1.0 compatibility where the Host
    // header is optional.
    $data[] = [
      NULL,
      'www.example.com',
      'empty Host is valid',
      TRUE,
    ];
    // Tests the additional patterns from the settings.
    $data[] = [
      'example.com',
      'www.example.com',
      'host from settings is trusted',
      TRUE,
    ];
    $data[] = [
      'subdomain.example.com',
      'www.example.com',
      'host from settings is trusted',
      TRUE,
    ];
    $data[] = [
      'www.example.org',
      'www.example.com',
      'host from settings is trusted',
      TRUE,
    ];
    $data[] = [
      'example.org',
      'www.example.com',
      'host from settings is trusted',
      TRUE,
    ];
    // Tests mismatch.
    $data[] = [
      'www.black_hat.com',
      'www.example.com',
      'unspecified host is untrusted',
      FALSE,
    ];
    return $data;
  }
  
  /**
   * Tests site path finding.
   *
   * This test is run in a separate process since it defines DRUPAL_ROOT. This
   * stops any possible pollution of other tests.
   *
   * @legacy-covers ::findSitePath
   */
  public function testFindSitePath() : void {
    $vfs_root = vfsStream::setup('drupal_root');
    $sites_php = <<<'EOD'
    <?php
    $sites['8888.www.example.org'] = 'example';
    EOD;
    // Create the expected directory structure.
    vfsStream::create([
      'sites' => [
        'sites.php' => $sites_php,
        'example' => [
          'settings.php' => 'test',
        ],
      ],
    ]);
    $request = new Request();
    $request->server
      ->set('SERVER_NAME', 'www.example.org');
    $request->server
      ->set('SERVER_PORT', '8888');
    $request->server
      ->set('SCRIPT_NAME', '/index.php');
    $this->assertEquals('sites/example', DrupalKernel::findSitePath($request, TRUE, $vfs_root->url()));
    $this->assertEquals('sites/example', DrupalKernel::findSitePath($request, FALSE, $vfs_root->url()));
  }
  
  /**
   * Tests un booted terminate.
   *
   * @legacy-covers ::terminate
   */
  public function testUnBootedTerminate() : void {
    $kernel = new DrupalKernel('test', new ClassLoader());
    $kernel->terminate(new Request(), new Response());
    $this->assertTrue(TRUE, "\\Drupal\\Core\\DrupalKernel::terminate() called without error on kernel which has not booted");
  }

}