function FileSaveUploadTest::testHandleExtension in Drupal 7

Test extension handling.

File

modules/simpletest/tests/file.test, line 662

This provides SimpleTests for the core file handling functionality. These include FileValidateTest and FileSaveTest.

Class

FileSaveUploadTest

Test the file_save_upload() function.

Code

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';
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => drupal_realpath($this->image->uri),
    'extensions' => $extensions,
  );
  $this
    ->drupalPost('file-test/upload', $edit, t('Submit'));
  $this
    ->assertResponse(200, 'Received a 200 response for posted test file.');
  $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(array(
    'validate',
  ));

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

  // Now tell file_save_upload() to allow the extension of our test image.
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => drupal_realpath($this->image->uri),
    'extensions' => $extensions,
  );
  $this
    ->drupalPost('file-test/upload', $edit, t('Submit'));
  $this
    ->assertResponse(200, 'Received a 200 response for posted test file.');
  $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(array(
    'validate',
    'load',
    'update',
  ));

  // Reset the hook counters.
  file_test_reset();

  // Now tell file_save_upload() to allow any extension.
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => drupal_realpath($this->image->uri),
    'allow_all_extensions' => 'empty_array',
  );
  $this
    ->drupalPost('file-test/upload', $edit, t('Submit'));
  $this
    ->assertResponse(200, 'Received a 200 response for posted test file.');
  $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(array(
    '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.
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => drupal_realpath($this->phpfile->uri),
    'is_image_file' => FALSE,
    'allow_all_extensions' => 'empty_array',
  );
  $this
    ->drupalPost('file-test/upload', $edit, t('Submit'));
  $this
    ->assertResponse(200, 'Received a 200 response for posted test file.');
  $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
    ->assertText('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(array(
    'validate',
    'insert',
  ));
}