class SaveUploadTest in Drupal 8

Same name and namespace in other branches

9 core/modules/file/tests/src/Functional/SaveUploadTest.php \Drupal\Tests\file\Functional\SaveUploadTest
10 core/modules/file/tests/src/Functional/SaveUploadTest.php \Drupal\Tests\file\Functional\SaveUploadTest

Tests the file_save_upload() function.

@group file

Hierarchy

class \Drupal\Tests\BrowserTestBase extends \PHPUnit\Framework\TestCase uses FunctionalTestSetupTrait, TestSetupTrait, AssertLegacyTrait, BlockCreationTrait, ConfigTestTrait, ContentTypeCreationTrait, NodeCreationTrait, PhpunitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait, UiHelperTrait, UserCreationTrait, XdebugRequestTrait
- class \Drupal\Tests\file\Functional\FileManagedTestBase
  - class \Drupal\Tests\file\Functional\SaveUploadTest uses TestFileCreationTrait

Expanded class hierarchy of SaveUploadTest

File

core/modules/file/tests/src/Functional/SaveUploadTest.php, line 16

Namespace

Drupal\Tests\file\Functional

View source

class SaveUploadTest extends FileManagedTestBase {
  use TestFileCreationTrait {
    getTestFiles as drupalGetTestFiles;
  }

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = [
    'dblog',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * An image file path for uploading.
   *
   * @var \Drupal\file\FileInterface
   */
  protected $image;

  /**
   * A PHP file path for upload security testing.
   *
   * @var string
   */
  protected $phpfile;

  /**
   * The largest file id when the test starts.
   *
   * @var int
   */
  protected $maxFidBefore;

  /**
   * Extension of the image filename.
   *
   * @var string
   */
  protected $imageExtension;
  protected function setUp() {
    parent::setUp();
    $account = $this
      ->drupalCreateUser([
      'access site reports',
    ]);
    $this
      ->drupalLogin($account);
    $image_files = $this
      ->drupalGetTestFiles('image');
    $this->image = File::create((array) current($image_files));
    list(, $this->imageExtension) = explode('.', $this->image
      ->getFilename());
    $this
      ->assertFileExists($this->image
      ->getFileUri());
    $this->phpfile = current($this
      ->drupalGetTestFiles('php'));
    $this
      ->assertFileExists($this->phpfile->uri);
    $this->maxFidBefore = (int) \Drupal::entityQueryAggregate('file')
      ->aggregate('fid', 'max')
      ->execute()[0]['fid_max'];

    // Upload with replace to guarantee there's something there.
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called then clean out the hook
    // counters.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);
    file_test_reset();
  }

  /**
   * Test the file_save_upload() function.
   */
  public function testNormal() {
    $max_fid_after = (int) \Drupal::entityQueryAggregate('file')
      ->aggregate('fid', 'max')
      ->execute()[0]['fid_max'];
    $this
      ->assertTrue($max_fid_after > $this->maxFidBefore, 'A new file was created.');
    $file1 = File::load($max_fid_after);
    $this
      ->assertInstanceOf(File::class, $file1);

    // MIME type of the uploaded image may be either image/jpeg or image/png.
    $this
      ->assertEqual(substr($file1
      ->getMimeType(), 0, 5), 'image', 'A MIME type was set.');

    // Reset the hook counters to get rid of the 'load' we just called.
    file_test_reset();

    // Upload a second file.
    $image2 = current($this
      ->drupalGetTestFiles('image'));
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($image2->uri),
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('You WIN!'));
    $max_fid_after = (int) \Drupal::entityQueryAggregate('file')
      ->aggregate('fid', 'max')
      ->execute()[0]['fid_max'];

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);
    $file2 = File::load($max_fid_after);
    $this
      ->assertInstanceOf(File::class, $file2);

    // MIME type of the uploaded image may be either image/jpeg or image/png.
    $this
      ->assertEqual(substr($file2
      ->getMimeType(), 0, 5), 'image', 'A MIME type was set.');

    // Load both files using File::loadMultiple().
    $files = File::loadMultiple([
      $file1
        ->id(),
      $file2
        ->id(),
    ]);
    $this
      ->assertTrue(isset($files[$file1
      ->id()]), 'File was loaded successfully');
    $this
      ->assertTrue(isset($files[$file2
      ->id()]), 'File was loaded successfully');

    // Upload a third file to a subdirectory.
    $image3 = current($this
      ->drupalGetTestFiles('image'));
    $image3_realpath = \Drupal::service('file_system')
      ->realpath($image3->uri);
    $dir = $this
      ->randomMachineName();
    $edit = [
      'files[file_test_upload]' => $image3_realpath,
      'file_subdir' => $dir,
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('You WIN!'));
    $this
      ->assertFileExists('temporary://' . $dir . '/' . trim(\Drupal::service('file_system')
      ->basename($image3_realpath)));
  }

  /**
   * Test uploading a duplicate file.
   */
  public function testDuplicate() {

    // It should not be possible to create two managed files with the same URI.
    $image1 = current($this
      ->drupalGetTestFiles('image'));
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($image1->uri),
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $max_fid_after = (int) \Drupal::entityQueryAggregate('file')
      ->aggregate('fid', 'max')
      ->execute()[0]['fid_max'];
    $file1 = File::load($max_fid_after);

    // Simulate a race condition where two files are uploaded at almost the same
    // time, by removing the first uploaded file from disk (leaving the entry in
    // the file_managed table) before trying to upload another file with the
    // same name.
    unlink(\Drupal::service('file_system')
      ->realpath($file1
      ->getFileUri()));
    $image2 = $image1;
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($image2->uri),
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));

    // Received a 200 response for posted test file.
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $message = t('The file %file already exists. Enter a unique file URI.', [
      '%file' => $file1
        ->getFileUri(),
    ]);
    $this
      ->assertRaw($message);
    $max_fid_before_duplicate = $max_fid_after;
    $max_fid_after = (int) \Drupal::entityQueryAggregate('file')
      ->aggregate('fid', 'max')
      ->execute()[0]['fid_max'];
    $this
      ->assertEqual($max_fid_before_duplicate, $max_fid_after, 'A new managed file was not created.');
  }

  /**
   * Test extension handling.
   */
  public function testHandleExtension() {

    // The file being tested is a .gif which is in the default safe list
    // of extensions to allow when the extension validator isn't used. This is
    // implicitly tested at the testNormal() test. Here we tell
    // file_save_upload() to only allow ".foo".
    $extensions = 'foo';
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'extensions' => $extensions,
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $message = t('Only files with the following extensions are allowed:') . ' <em class="placeholder">' . $extensions . '</em>';
    $this
      ->assertRaw($message, 'Cannot upload a disallowed extension');
    $this
      ->assertRaw(t('Epic upload FAIL!'), 'Found the failure message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
    ]);

    // Reset the hook counters.
    file_test_reset();
    $extensions = 'foo ' . $this->imageExtension;

    // Now tell file_save_upload() to allow the extension of our test image.
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'extensions' => $extensions,
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertNoRaw(t('Only files with the following extensions are allowed:'), 'Can upload an allowed extension.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'load',
      'update',
    ]);

    // Reset the hook counters.
    file_test_reset();

    // Now tell file_save_upload() to allow any extension.
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'allow_all_extensions' => 'empty_array',
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertNoRaw(t('Only files with the following extensions are allowed:'), 'Can upload any extension.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'load',
      'update',
    ]);

    // Reset the hook counters.
    file_test_reset();

    // Now tell file_save_upload() to allow any extension and try and upload a
    // malicious file.
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->phpfile->uri),
      'allow_all_extensions' => 'empty_array',
      'is_image_file' => FALSE,
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $message = t('For security reasons, your upload has been renamed to') . ' <em class="placeholder">' . $this->phpfile->filename . '_.txt' . '</em>';
    $this
      ->assertRaw($message, 'Dangerous file was renamed.');
    $this
      ->assertSession()
      ->pageTextContains('File name is php-2.php_.txt.');
    $this
      ->assertRaw(t('File MIME type is text/plain.'), "Dangerous file's MIME type was changed.");
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);
  }

  /**
   * Test dangerous file handling.
   */
  public function testHandleDangerousFile() {
    $config = $this
      ->config('system.file');

    // Allow the .php extension and make sure it gets munged and given a .txt
    // extension for safety. Also check to make sure its MIME type was changed.
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->phpfile->uri),
      'is_image_file' => FALSE,
      'extensions' => 'php',
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $message = t('For security reasons, your upload has been renamed to') . ' <em class="placeholder">' . $this->phpfile->filename . '_.txt' . '</em>';
    $this
      ->assertRaw($message, 'Dangerous file was renamed.');
    $this
      ->assertSession()
      ->pageTextContains('File name is php-2.php_.txt.');
    $this
      ->assertRaw(t('File MIME type is text/plain.'), "Dangerous file's MIME type was changed.");
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);

    // Ensure dangerous files are not renamed when insecure uploads is TRUE.
    // Turn on insecure uploads.
    $config
      ->set('allow_insecure_uploads', 1)
      ->save();

    // Reset the hook counters.
    file_test_reset();
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertNoRaw(t('For security reasons, your upload has been renamed'), 'Found no security message.');
    $this
      ->assertSession()
      ->pageTextContains('File name is php-2.php.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);

    // Reset the hook counters.
    file_test_reset();

    // Even with insecure uploads allowed, the .php file should not be uploaded
    // if it is not explicitly included in the list of allowed extensions.
    $edit['extensions'] = 'foo';
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $message = t('Only files with the following extensions are allowed:') . ' <em class="placeholder">' . $edit['extensions'] . '</em>';
    $this
      ->assertRaw($message, 'Cannot upload a disallowed extension');
    $this
      ->assertRaw(t('Epic upload FAIL!'), 'Found the failure message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
    ]);

    // Reset the hook counters.
    file_test_reset();

    // Turn off insecure uploads, then try the same thing as above (ensure that
    // the .php file is still rejected since it's not in the list of allowed
    // extensions).
    $config
      ->set('allow_insecure_uploads', 0)
      ->save();
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $message = t('Only files with the following extensions are allowed:') . ' <em class="placeholder">' . $edit['extensions'] . '</em>';
    $this
      ->assertRaw($message, 'Cannot upload a disallowed extension');
    $this
      ->assertRaw(t('Epic upload FAIL!'), 'Found the failure message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
    ]);

    // Reset the hook counters.
    file_test_reset();
  }

  /**
   * Test file munge handling.
   */
  public function testHandleFileMunge() {

    // Ensure insecure uploads are disabled for this test.
    $this
      ->config('system.file')
      ->set('allow_insecure_uploads', 0)
      ->save();
    $original_image_uri = $this->image
      ->getFileUri();
    $this->image = file_move($this->image, $original_image_uri . '.foo.' . $this->imageExtension);

    // Reset the hook counters to get rid of the 'move' we just called.
    file_test_reset();
    $extensions = $this->imageExtension;
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'extensions' => $extensions,
    ];
    $munged_filename = $this->image
      ->getFilename();
    $munged_filename = substr($munged_filename, 0, strrpos($munged_filename, '.'));
    $munged_filename .= '_.' . $this->imageExtension;
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('For security reasons, your upload has been renamed'), 'Found security message.');
    $this
      ->assertRaw(t('File name is @filename', [
      '@filename' => $munged_filename,
    ]), 'File was successfully munged.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);

    // Reset the hook counters.
    file_test_reset();

    // Ensure we don't munge the .foo extension if it is in the list of allowed
    // extensions.
    $extensions = 'foo ' . $this->imageExtension;
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'extensions' => $extensions,
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertNoRaw(t('For security reasons, your upload has been renamed'), 'Found no security message.');
    $this
      ->assertRaw(t('File name is @filename', [
      '@filename' => $this->image
        ->getFilename(),
    ]), 'File was not munged when all extensions within it are allowed.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);

    // Ensure we don't munge files if we're allowing any extension.
    $this->image = file_move($this->image, $original_image_uri . '.foo.txt.' . $this->imageExtension);

    // Reset the hook counters.
    file_test_reset();
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'allow_all_extensions' => 'empty_array',
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertNoRaw(t('For security reasons, your upload has been renamed'), 'Found no security message.');
    $this
      ->assertRaw(t('File name is @filename', [
      '@filename' => $this->image
        ->getFilename(),
    ]), 'File was not munged when allowing any extension.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);

    // Test that a dangerous extension such as .php is munged even if it is in
    // the list of allowed extensions.
    $this->image = file_move($this->image, $original_image_uri . '.php.' . $this->imageExtension);

    // Reset the hook counters.
    file_test_reset();
    $extensions = 'php ' . $this->imageExtension;
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'extensions' => $extensions,
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('For security reasons, your upload has been renamed'), 'Found security message.');
    $this
      ->assertRaw(t('File name is @filename', [
      '@filename' => 'image-test.png.php_.png',
    ]), 'File was successfully munged.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);

    // Reset the hook counters.
    file_test_reset();

    // Dangerous extensions are munged even when all extensions are allowed.
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'allow_all_extensions' => 'empty_array',
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('For security reasons, your upload has been renamed'), 'Found security message.');
    $this
      ->assertRaw(t('File name is @filename.', [
      '@filename' => 'image-test.png_.php_.png_.txt',
    ]), 'File was successfully munged.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);

    // Dangerous extensions are munged if is renamed to end in .txt.
    $this->image = file_move($this->image, $original_image_uri . '.cgi.' . $this->imageExtension . '.txt');

    // Reset the hook counters.
    file_test_reset();

    // Dangerous extensions are munged even when all extensions are allowed.
    $edit = [
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'allow_all_extensions' => 'empty_array',
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('For security reasons, your upload has been renamed'), 'Found security message.');
    $this
      ->assertRaw(t('File name is @filename.', [
      '@filename' => 'image-test.png_.cgi_.png_.txt',
    ]), 'File was successfully munged.');
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);

    // Reset the hook counters.
    file_test_reset();

    // Ensure that setting $validators['file_validate_extensions'] = ['']
    // rejects all files without munging or renaming.
    $edit = [
      'files[file_test_upload][]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
      'allow_all_extensions' => 'empty_string',
    ];
    $this
      ->drupalPostForm('file-test/save_upload_from_form_test', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertNoRaw(t('For security reasons, your upload has been renamed'), 'Found security message.');
    $this
      ->assertRaw(t('Epic upload FAIL!'), 'Found the failure message.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
    ]);
  }

  /**
   * Test renaming when uploading over a file that already exists.
   */
  public function testExistingRename() {
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_RENAME,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');
    $this
      ->assertSession()
      ->pageTextContains('File name is image-test_0.png.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'insert',
    ]);
  }

  /**
   * Test replacement when uploading over a file that already exists.
   */
  public function testExistingReplace() {
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('You WIN!'), 'Found the success message.');
    $this
      ->assertSession()
      ->pageTextContains('File name is image-test.png.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'validate',
      'load',
      'update',
    ]);
  }

  /**
   * Test for failure when uploading over a file that already exists.
   */
  public function testExistingError() {
    $edit = [
      'file_test_replace' => FileSystemInterface::EXISTS_ERROR,
      'files[file_test_upload]' => \Drupal::service('file_system')
        ->realpath($this->image
        ->getFileUri()),
    ];
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('Epic upload FAIL!'), 'Found the failure message.');

    // Check that the no hooks were called while failing.
    $this
      ->assertFileHooksCalled([]);
  }

  /**
   * Test for no failures when not uploading a file.
   */
  public function testNoUpload() {
    $this
      ->drupalPostForm('file-test/upload', [], t('Submit'));
    $this
      ->assertNoRaw(t('Epic upload FAIL!'), 'Failure message not found.');
  }

  /**
   * Tests for log entry on failing destination.
   */
  public function testDrupalMovingUploadedFileError() {

    // Create a directory and make it not writable.
    $test_directory = 'test_drupal_move_uploaded_file_fail';

    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
    $file_system = \Drupal::service('file_system');
    $file_system
      ->mkdir('temporary://' . $test_directory, 00);
    $this
      ->assertDirectoryExists('temporary://' . $test_directory);
    $edit = [
      'file_subdir' => $test_directory,
      'files[file_test_upload]' => $file_system
        ->realpath($this->image
        ->getFileUri()),
    ];
    \Drupal::state()
      ->set('file_test.disable_error_collection', TRUE);
    $this
      ->drupalPostForm('file-test/upload', $edit, t('Submit'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('File upload error. Could not move uploaded file.'), 'Found the failure message.');
    $this
      ->assertRaw(t('Epic upload FAIL!'), 'Found the failure message.');

    // Uploading failed. Now check the log.
    $this
      ->drupalGet('admin/reports/dblog');
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertRaw(t('Upload error. Could not move uploaded file @file to destination @destination.', [
      '@file' => $this->image
        ->getFilename(),
      '@destination' => 'temporary://' . $test_directory . '/' . $this->image
        ->getFilename(),
    ]), 'Found upload error log entry.');
  }

  /**
   * Tests that filenames containing invalid UTF-8 are rejected.
   */
  public function testInvalidUtf8FilenameUpload() {
    $this
      ->drupalGet('file-test/upload');

    // Filename containing invalid UTF-8.
    $filename = "";
    $page = $this
      ->getSession()
      ->getPage();
    $data = [
      'multipart' => [
        [
          'name' => 'file_test_replace',
          'contents' => FileSystemInterface::EXISTS_RENAME,
        ],
        [
          'name' => 'form_id',
          'contents' => '_file_test_form',
        ],
        [
          'name' => 'form_build_id',
          'contents' => $page
            ->find('hidden_field_selector', [
            'hidden_field',
            'form_build_id',
          ])
            ->getAttribute('value'),
        ],
        [
          'name' => 'form_token',
          'contents' => $page
            ->find('hidden_field_selector', [
            'hidden_field',
            'form_token',
          ])
            ->getAttribute('value'),
        ],
        [
          'name' => 'op',
          'contents' => 'Submit',
        ],
        [
          'name' => 'files[file_test_upload]',
          'contents' => 'Test content',
          'filename' => $filename,
        ],
      ],
      'cookies' => $this
        ->getSessionCookies(),
      'http_errors' => FALSE,
    ];
    $this
      ->assertFileNotExists('temporary://' . $filename);

    // Use Guzzle's HTTP client directly so we can POST files without having to
    // write them to disk. Not all filesystem support writing files with invalid
    // UTF-8 filenames.
    $response = $this
      ->getHttpClient()
      ->request('POST', Url::fromUri('base:file-test/upload')
      ->setAbsolute()
      ->toString(), $data);
    $content = (string) $response
      ->getBody();
    $this
      ->htmlOutput($content);
    $error_text = new FormattableMarkup('The file %filename could not be uploaded because the name is invalid.', [
      '%filename' => $filename,
    ]);
    $this
      ->assertStringContainsString((string) $error_text, $content);
    $this
      ->assertStringContainsString('Epic upload FAIL!', $content);
    $this
      ->assertFileNotExists('temporary://' . $filename);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertHelperTrait::castSafeStrings	protected static	function	Casts MarkupInterface objects into strings.
AssertLegacyTrait::assert	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::assertCacheTag	protected	function	Asserts whether an expected cache tag was present in the last response.
AssertLegacyTrait::assertElementNotPresent	protected	function	Asserts that the element with the given CSS selector is not present.
AssertLegacyTrait::assertElementPresent	protected	function	Asserts that the element with the given CSS selector is present.
AssertLegacyTrait::assertEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
AssertLegacyTrait::assertEscaped	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertLegacyTrait::assertField	protected	function	Asserts that a field exists with the given name or ID.
AssertLegacyTrait::assertFieldById	protected	function	Asserts that a field exists with the given ID and value.
AssertLegacyTrait::assertFieldByName	protected	function	Asserts that a field exists with the given name and value.
AssertLegacyTrait::assertFieldByXPath	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertLegacyTrait::assertFieldChecked	protected	function	Asserts that a checkbox field in the current page is checked.
AssertLegacyTrait::assertFieldsByValue	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertLegacyTrait::assertHeader	protected	function	Checks that current response header equals value.
AssertLegacyTrait::assertIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertSame() instead.
AssertLegacyTrait::assertIdenticalObject	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
AssertLegacyTrait::assertLink	protected	function	Passes if a link with the specified label is found.
AssertLegacyTrait::assertLinkByHref	protected	function	Passes if a link containing a given href (part) is found.
AssertLegacyTrait::assertNoCacheTag	protected	function	Asserts whether an expected cache tag was absent in the last response.
AssertLegacyTrait::assertNoEscaped	protected	function	Passes if the raw text is not found escaped on the loaded page.
AssertLegacyTrait::assertNoField	protected	function	Asserts that a field does NOT exist with the given name or ID.
AssertLegacyTrait::assertNoFieldById	protected	function	Asserts that a field does not exist with the given ID and value.
AssertLegacyTrait::assertNoFieldByName	protected	function	Asserts that a field does not exist with the given name and value.
AssertLegacyTrait::assertNoFieldByXPath	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertLegacyTrait::assertNoFieldChecked	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertLegacyTrait::assertNoLink	protected	function	Passes if a link with the specified label is not found.
AssertLegacyTrait::assertNoLinkByHref	protected	function	Passes if a link containing a given href (part) is not found.
AssertLegacyTrait::assertNoOption	protected	function	Asserts that a select option does NOT exist in the current page.
AssertLegacyTrait::assertNoPattern	protected	function	Triggers a pass if the Perl regex pattern is not found in the raw content.
AssertLegacyTrait::assertNoRaw	protected	function	Passes if the raw text IS not found on the loaded page, fail otherwise.	1
AssertLegacyTrait::assertNotEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotEquals() instead.
AssertLegacyTrait::assertNoText	protected	function	Passes if the page (with HTML stripped) does not contains the text.	1
AssertLegacyTrait::assertNotIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotSame() instead.
AssertLegacyTrait::assertNoUniqueText	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertLegacyTrait::assertOption	protected	function	Asserts that a select option in the current page exists.
AssertLegacyTrait::assertOptionByText	protected	function	Asserts that a select option with the visible text exists.
AssertLegacyTrait::assertOptionSelected	protected	function	Asserts that a select option in the current page is checked.
AssertLegacyTrait::assertPattern	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertLegacyTrait::assertRaw	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.	1
AssertLegacyTrait::assertResponse	protected	function	Asserts the page responds with the specified response code.	1
AssertLegacyTrait::assertText	protected	function	Passes if the page (with HTML stripped) contains the text.	1
AssertLegacyTrait::assertTextHelper	protected	function	Helper for assertText and assertNoText.
AssertLegacyTrait::assertTitle	protected	function	Pass if the page title is the given string.
AssertLegacyTrait::assertUniqueText	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertLegacyTrait::assertUrl	protected	function	Passes if the internal browser's URL matches the given path.
AssertLegacyTrait::buildXPathQuery	protected	function	Builds an XPath query.
AssertLegacyTrait::constructFieldXpath	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertLegacyTrait::getAllOptions	protected	function	Get all option elements, including nested options, in a select.
AssertLegacyTrait::getRawContent	protected	function	Gets the current raw content.
AssertLegacyTrait::pass	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::verbose	protected	function
BlockCreationTrait::placeBlock	protected	function	Creates a block instance based on default settings. Aliased as: drupalPlaceBlock
BrowserHtmlDebugTrait::$htmlOutputBaseUrl	protected	property	The Base URI to use for links to the output files.
BrowserHtmlDebugTrait::$htmlOutputClassName	protected	property	Class name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounter	protected	property	Counter for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounterStorage	protected	property	Counter storage for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputDirectory	protected	property	Directory name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputEnabled	protected	property	HTML output output enabled.
BrowserHtmlDebugTrait::$htmlOutputFile	protected	property	The file name to write the list of URLs to.
BrowserHtmlDebugTrait::$htmlOutputTestId	protected	property	HTML output test ID.
BrowserHtmlDebugTrait::formatHtmlOutputHeaders	protected	function	Formats HTTP headers as string for HTML output logging.
BrowserHtmlDebugTrait::getHtmlOutputHeaders	protected	function	Returns headers in HTML output format.	1
BrowserHtmlDebugTrait::htmlOutput	protected	function	Logs a HTML output message in a text file.
BrowserHtmlDebugTrait::initBrowserOutputFile	protected	function	Creates the directory to store browser output.
BrowserTestBase::$baseUrl	protected	property	The base URL.
BrowserTestBase::$configImporter	protected	property	The config importer that can be used in a test.
BrowserTestBase::$customTranslations	protected	property	An array of custom translations suitable for drupal_rewrite_settings().
BrowserTestBase::$databasePrefix	protected	property	The database prefix of this test run.
BrowserTestBase::$mink	protected	property	Mink session manager.
BrowserTestBase::$minkDefaultDriverArgs	protected	property
BrowserTestBase::$minkDefaultDriverClass	protected	property		1
BrowserTestBase::$originalContainer	protected	property	The original container.
BrowserTestBase::$originalShutdownCallbacks	protected	property	The original array of shutdown function callbacks.
BrowserTestBase::$preserveGlobalState	protected	property
BrowserTestBase::$profile	protected	property	The profile to install as a basis for testing.	39
BrowserTestBase::$root	protected	property	The app root.
BrowserTestBase::$runTestInSeparateProcess	protected	property	Browser tests are run in separate processes to prevent collisions between code that may be loaded by tests.
BrowserTestBase::$timeLimit	protected	property	Time limit in seconds for the test.
BrowserTestBase::$translationFilesDirectory	protected	property	The translation file directory for the test environment.
BrowserTestBase::cleanupEnvironment	protected	function	Clean up the Simpletest environment.
BrowserTestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
BrowserTestBase::cssSelectToXpath	protected	function	Translates a CSS expression to its XPath equivalent.
BrowserTestBase::drupalGetHeader	protected	function	Gets the value of an HTTP response header.
BrowserTestBase::drupalGetHeaders Deprecated	protected	function	Returns all response headers.
BrowserTestBase::filePreDeleteCallback	public static	function	Ensures test files are deletable.
BrowserTestBase::getDefaultDriverInstance	protected	function	Gets an instance of the default Mink driver.
BrowserTestBase::getDrupalSettings	protected	function	Gets the JavaScript drupalSettings variable for the currently-loaded page.	1
BrowserTestBase::getHttpClient	protected	function	Obtain the HTTP client for the system under test.
BrowserTestBase::getMinkDriverArgs	protected	function	Get the Mink driver args from an environment variable, if it is set. Can be overridden in a derived class so it is possible to use a different value for a subset of tests, e.g. the JavaScript tests.	1
BrowserTestBase::getOptions	protected	function	Helper function to get the options of select field.
BrowserTestBase::getResponseLogHandler	protected	function	Provides a Guzzle middleware handler to log every response received. Overrides BrowserHtmlDebugTrait::getResponseLogHandler
BrowserTestBase::getSession	public	function	Returns Mink session.
BrowserTestBase::getSessionCookies	protected	function	Get session cookies from current session.
BrowserTestBase::getTestMethodCaller	protected	function	Retrieves the current calling line in the class under test. Overrides BrowserHtmlDebugTrait::getTestMethodCaller
BrowserTestBase::initFrontPage	protected	function	Visits the front page when initializing Mink.	3
BrowserTestBase::initMink	protected	function	Initializes Mink sessions.	1
BrowserTestBase::installDrupal	public	function	Installs Drupal into the Simpletest site.	1
BrowserTestBase::registerSessions	protected	function	Registers additional Mink sessions.
BrowserTestBase::tearDown	protected	function		3
BrowserTestBase::translatePostValues	protected	function	Transforms a nested array into a flat array suitable for drupalPostForm().
BrowserTestBase::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
BrowserTestBase::__construct	public	function		1
BrowserTestBase::__sleep	public	function	Prevents serializing any properties.
ConfigTestTrait::configImporter	protected	function	Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig	protected	function	Copies configuration objects from source storage to target storage.
ContentTypeCreationTrait::createContentType	protected	function	Creates a custom content type based on default settings. Aliased as: drupalCreateContentType	1
FileManagedTestBase::assertDifferentFile	public	function	Asserts that two files are not the same by comparing the fid and filepath.
FileManagedTestBase::assertFileHookCalled	public	function	Assert that a hook_file_* hook was called a certain number of times.
FileManagedTestBase::assertFileHooksCalled	public	function	Assert that all of the specified hook_file_* hooks were called once, other values result in failure.
FileManagedTestBase::assertFileUnchanged	public	function	Asserts that two files have the same values (except timestamp).
FileManagedTestBase::assertSameFile	public	function	Asserts that two files are the same by comparing the fid and filepath.
FileManagedTestBase::createFile	public	function	Create a file and save it to the files table and assert that it occurs correctly.
FileManagedTestBase::createUri	public	function	Creates a file and returns its URI.
FunctionalTestSetupTrait::$apcuEnsureUniquePrefix	protected	property	The flag to set 'apcu_ensure_unique_prefix' setting.	1
FunctionalTestSetupTrait::$classLoader	protected	property	The class loader to use for installation and initialization of setup.
FunctionalTestSetupTrait::$configDirectories Deprecated	protected	property	The config directories used in this test.
FunctionalTestSetupTrait::$rootUser	protected	property	The "#1" admin user.
FunctionalTestSetupTrait::doInstall	protected	function	Execute the non-interactive installer.	1
FunctionalTestSetupTrait::getDatabaseTypes	protected	function	Returns all supported database driver installer objects.
FunctionalTestSetupTrait::initConfig	protected	function	Initialize various configurations post-installation.	2
FunctionalTestSetupTrait::initKernel	protected	function	Initializes the kernel after installation.
FunctionalTestSetupTrait::initSettings	protected	function	Initialize settings created during install.
FunctionalTestSetupTrait::initUserSession	protected	function	Initializes user 1 for the site to be installed.
FunctionalTestSetupTrait::installDefaultThemeFromClassProperty	protected	function	Installs the default theme defined by `static::$defaultTheme` when needed.
FunctionalTestSetupTrait::installModulesFromClassProperty	protected	function	Install modules defined by `static::$modules`.	1
FunctionalTestSetupTrait::installParameters	protected	function	Returns the parameters that will be used when Simpletest installs Drupal.	9
FunctionalTestSetupTrait::prepareEnvironment	protected	function	Prepares the current environment for running the test.	23
FunctionalTestSetupTrait::prepareRequestForGenerator	protected	function	Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings	protected	function	Prepares site settings and services before installation.	2
FunctionalTestSetupTrait::rebuildAll	protected	function	Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer	protected	function	Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll	protected	function	Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter	protected	function	Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl	protected	function	Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings	protected	function	Rewrites the settings.php file of the test site.
NodeCreationTrait::createNode	protected	function	Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle	public	function	Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.	1
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
RefreshVariablesTrait::refreshVariables	protected	function	Refreshes in-memory configuration and state information.	3
SaveUploadTest::$defaultTheme	protected	property	The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme	1
SaveUploadTest::$image	protected	property	An image file path for uploading.
SaveUploadTest::$imageExtension	protected	property	Extension of the image filename.
SaveUploadTest::$maxFidBefore	protected	property	The largest file id when the test starts.
SaveUploadTest::$modules	public static	property	Modules to enable. Overrides FileManagedTestBase::$modules	1
SaveUploadTest::$phpfile	protected	property	A PHP file path for upload security testing.
SaveUploadTest::setUp	protected	function	Overrides FileManagedTestBase::setUp	1
SaveUploadTest::testDrupalMovingUploadedFileError	public	function	Tests for log entry on failing destination.
SaveUploadTest::testDuplicate	public	function	Test uploading a duplicate file.
SaveUploadTest::testExistingError	public	function	Test for failure when uploading over a file that already exists.
SaveUploadTest::testExistingRename	public	function	Test renaming when uploading over a file that already exists.
SaveUploadTest::testExistingReplace	public	function	Test replacement when uploading over a file that already exists.
SaveUploadTest::testHandleDangerousFile	public	function	Test dangerous file handling.
SaveUploadTest::testHandleExtension	public	function	Test extension handling.
SaveUploadTest::testHandleFileMunge	public	function	Test file munge handling.
SaveUploadTest::testInvalidUtf8FilenameUpload	public	function	Tests that filenames containing invalid UTF-8 are rejected.
SaveUploadTest::testNormal	public	function	Test the file_save_upload() function.
SaveUploadTest::testNoUpload	public	function	Test for no failures when not uploading a file.
SessionTestTrait::$sessionName	protected	property	The name of the session cookie.
SessionTestTrait::generateSessionName	protected	function	Generates a session cookie name.
SessionTestTrait::getSessionName	protected	function	Returns the session name in use on the child site.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.
TestFileCreationTrait::$generatedTestFiles	protected	property	Whether the files were copied to the test files directory.
TestFileCreationTrait::compareFiles	protected	function	Compares two files based on size and file name.
TestFileCreationTrait::generateFile	public static	function	Generates a test file.
TestFileCreationTrait::getTestFiles	protected	function	Gets a list of files that can be used in tests. Aliased as: drupalGetTestFiles
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.	1
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.
TestSetupTrait::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
TestSetupTrait::$container	protected	property	The dependency injection container used in the test.
TestSetupTrait::$kernel	protected	property	The DrupalKernel instance used in the test.
TestSetupTrait::$originalSite	protected	property	The site directory of the original parent site.
TestSetupTrait::$privateFilesDirectory	protected	property	The private file directory for the test environment.
TestSetupTrait::$publicFilesDirectory	protected	property	The public file directory for the test environment.
TestSetupTrait::$siteDirectory	protected	property	The site directory of this test run.
TestSetupTrait::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	2
TestSetupTrait::$tempFilesDirectory	protected	property	The temporary file directory for the test environment.
TestSetupTrait::$testId	protected	property	The test run ID.
TestSetupTrait::changeDatabasePrefix	protected	function	Changes the database connection to the prefixed one.
TestSetupTrait::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
TestSetupTrait::getDatabaseConnection	public static	function	Returns the database connection to the site running Simpletest.
TestSetupTrait::prepareDatabasePrefix	protected	function	Generates a database prefix for running tests.	2
UiHelperTrait::$loggedInUser	protected	property	The current user logged in using the Mink controlled browser.
UiHelperTrait::$maximumMetaRefreshCount	protected	property	The number of meta refresh redirects to follow, or NULL if unlimited.
UiHelperTrait::$metaRefreshCount	protected	property	The number of meta refresh redirects followed during ::drupalGet().
UiHelperTrait::assertSession	public	function	Returns WebAssert object.	1
UiHelperTrait::buildUrl	protected	function	Builds an a absolute URL from a system path or a URL object.
UiHelperTrait::checkForMetaRefresh	protected	function	Checks for meta refresh tag and if found call drupalGet() recursively.
UiHelperTrait::click	protected	function	Clicks the element with the given CSS selector.
UiHelperTrait::clickLink	protected	function	Follows a link by complete name.
UiHelperTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
UiHelperTrait::drupalGet	protected	function	Retrieves a Drupal path or an absolute path.	3
UiHelperTrait::drupalLogin	protected	function	Logs in a user using the Mink controlled browser.
UiHelperTrait::drupalLogout	protected	function	Logs a user out of the Mink controlled browser and confirms.
UiHelperTrait::drupalPostForm	protected	function	Executes a form submission.
UiHelperTrait::drupalUserIsLoggedIn	protected	function	Returns whether a given user account is logged in.
UiHelperTrait::getAbsoluteUrl	protected	function	Takes a path and returns an absolute path.
UiHelperTrait::getTextContent	protected	function	Retrieves the plain-text content from the current page.
UiHelperTrait::getUrl	protected	function	Get the current URL from the browser.
UiHelperTrait::prepareRequest	protected	function	Prepare for a request to testing site.	1
UiHelperTrait::submitForm	protected	function	Fills and submits a form.
UserCreationTrait::checkPermissions	protected	function	Checks whether a given list of permission names is valid.
UserCreationTrait::createAdminRole	protected	function	Creates an administrative role.
UserCreationTrait::createRole	protected	function	Creates a role with specified permissions. Aliased as: drupalCreateRole
UserCreationTrait::createUser	protected	function	Create a user with a given set of permissions. Aliased as: drupalCreateUser
UserCreationTrait::grantPermissions	protected	function	Grant permissions to a user role.
UserCreationTrait::setCurrentUser	protected	function	Switch the current logged in user.
UserCreationTrait::setUpCurrentUser	protected	function	Creates a random user account and sets it as current user.
XdebugRequestTrait::extractCookiesFromRequest	protected	function	Adds xdebug cookies, from request setup.

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class SaveUploadTest in Drupal 8

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