class BuildTestTest

class BuildTestTest extends BuildTestBase {
  
  /**
   * Ensure that workspaces work.
   */
  public function testWorkspace() {
    $test_directory = 'test_directory';
    // Execute an empty command through the shell to build out a working
    // directory.
    $process = $this->executeCommand('', $test_directory);
    $this->assertCommandSuccessful();
    // Assert that our working directory exists and is in use by the process.
    $workspace = $this->getWorkspaceDirectory();
    $working_path = $workspace . '/' . $test_directory;
    $this->assertDirectoryExists($working_path);
    $this->assertEquals($working_path, $process->getWorkingDirectory());
  }
  
  /**
   * @covers ::copyCodebase
   */
  public function testCopyCodebase() {
    $test_directory = 'copied_codebase';
    $this->copyCodebase(NULL, $test_directory);
    $full_path = $this->getWorkspaceDirectory() . '/' . $test_directory;
    $files = [
      'autoload.php',
      'composer.json',
      'index.php',
      'README.md',
      '.git',
      '.ht.router.php',
    ];
    foreach ($files as $file) {
      $this->assertFileExists($full_path . '/' . $file);
    }
  }
  
  /**
   * Ensure we're not copying directories we wish to exclude.
   *
   * @covers ::copyCodebase
   */
  public function testCopyCodebaseExclude() {
    // Create a virtual file system containing items that should be
    // excluded. Exception being modules directory.
    vfsStream::setup('drupal', NULL, [
      'sites' => [
        'default' => [
          'files' => [
            'a_file.txt' => 'some file.',
          ],
          'settings.php' => '<?php $settings = stuff;',
          'settings.local.php' => '<?php $settings = override;',
        ],
        'simpletest' => [
          'simpletest_hash' => [
            'some_results.xml' => '<xml/>',
          ],
        ],
      ],
      'vendor' => [
        'composer' => [
          'composer' => [
            'installed.json' => '"items": {"things"}',
          ],
        ],
      ],
      'modules' => [
        'my_module' => [
          'vendor' => [
            'my_vendor' => [
              'composer.json' => "{\n}",
            ],
          ],
        ],
      ],
    ]);
    // Mock BuildTestBase so that it thinks our VFS is the Drupal root.
    /** @var \PHPUnit\Framework\MockObject\MockBuilder|\Drupal\BuildTests\Framework\BuildTestBase $base */
    $base = $this->getMockBuilder(BuildTestBase::class)
      ->onlyMethods([
      'getDrupalRoot',
    ])
      ->getMockForAbstractClass();
    $base->expects($this->exactly(2))
      ->method('getDrupalRoot')
      ->willReturn(vfsStream::url('drupal'));
    $base->setUp();
    // Perform the copy.
    $test_directory = 'copied_codebase';
    $base->copyCodebase(NULL, $test_directory);
    $full_path = $base->getWorkspaceDirectory() . '/' . $test_directory;
    $this->assertDirectoryExists($full_path);
    // Verify nested vendor directory was not excluded. Then remove it for next
    // validation.
    $this->assertFileExists($full_path . DIRECTORY_SEPARATOR . 'modules/my_module/vendor/my_vendor/composer.json');
    $file_system = new Filesystem();
    $file_system->remove($full_path . DIRECTORY_SEPARATOR . 'modules');
    // Use scandir() to determine if our target directory is empty. It should
    // only contain the system dot directories.
    $this->assertTrue(($files = @scandir($full_path)) && count($files) <= 2, 'Directory is not empty: ' . implode(', ', $files));
    $base->tearDown();
  }
  
  /**
   * @covers ::findAvailablePort
   */
  public function testPortMany() {
    $iterator = (new Finder())->in($this->getDrupalRoot())
      ->ignoreDotFiles(FALSE)
      ->exclude([
      'sites/simpletest',
    ])
      ->path('/^.ht.router.php$/')
      ->getIterator();
    $this->copyCodebase($iterator);
    /** @var \Symfony\Component\Process\Process[] $processes */
    $processes = [];
    $count = 15;
    for ($i = 0; $i <= $count; $i++) {
      $port = $this->findAvailablePort();
      $this->assertArrayNotHasKey($port, $processes, 'Port ' . $port . ' was already in use by a process.');
      $processes[$port] = $this->instantiateServer($port);
      $this->assertNotEmpty($processes[$port]);
      $this->assertTrue($processes[$port]->isRunning(), 'Process on port ' . $port . ' is not still running.');
      $this->assertFalse($this->checkPortIsAvailable($port));
    }
    // Clean up after ourselves.
    foreach ($processes as $process) {
      $process->stop();
    }
  }
  
  /**
   * @covers ::standUpServer
   */
  public function testStandUpServer() {
    // Stand up a server with working directory 'first'.
    $this->standUpServer('first');
    // Get the process object for the server.
    $ref_process = new \ReflectionProperty(parent::class, 'serverProcess');
    $ref_process->setAccessible(TRUE);
    $first_process = $ref_process->getValue($this);
    // Standing up the server again should not change the server process.
    $this->standUpServer('first');
    $this->assertSame($first_process, $ref_process->getValue($this));
    // Standing up the server with working directory 'second' should give us a
    // new server process.
    $this->standUpServer('second');
    $this->assertNotSame($first_process, $second_process = $ref_process->getValue($this));
    // And even with the original working directory name, we should get a new
    // server process.
    $this->standUpServer('first');
    $this->assertNotSame($first_process, $ref_process->getValue($this));
    $this->assertNotSame($second_process, $ref_process->getValue($this));
  }

}