private function ImageStylesHTTPHeadersTestCase::_testImageStyleUrlAndPath

Function to scale and test.

File

modules/image/image.test, line 2217

Tests for image.module.

Class

ImageStylesHTTPHeadersTestCase

Tests for correct file size, dimensions and HTTP headers after scaling.

Code

private function _testImageStyleUrlAndPath($scheme, $width, $height) {
  $directory = $scheme . '://styles/' . $this->styleName;
  $status = file_prepare_directory($directory, FILE_CREATE_DIRECTORY);
  $this
    ->assertNotIdentical(FALSE, $status, 'Created the directory for the generated images for the test style.');

  // Create an image field that uses the new style.
  $field_name = strtolower($this
    ->randomName(10));
  $this
    ->createImageField($field_name, 'article', array(
    'uri_scheme' => $scheme,
  ));
  $instance = field_info_instance('node', $field_name, 'article');
  $instance['display']['default']['type'] = 'image';
  $instance['display']['default']['settings']['image_style'] = $this->styleName;
  field_update_instance($instance);

  // Create a new node with an image attached.
  $images = $this
    ->drupalGetTestFiles('image');

  // Taking image no. 6 because Apache sets own
  // Content-Length if response is smaller than 8000 bytes.
  $test_image = $images[6];
  $nid = $this
    ->uploadNodeImage($test_image, $field_name, 'article');
  $node = node_load($nid);

  // Get image file from created node.
  $field_items = field_get_items('node', $node, $field_name);
  $file = file_load($field_items[0]['fid']);
  $original_uri = $file->uri;

  // Let the image_module_test module know about this file, so it can claim
  // ownership in hook_file_download().
  variable_set('image_module_test_file_download', $original_uri);

  // Get the URL of a file that has not been generated and try to create it.
  $generated_uri = image_style_path($this->styleName, $original_uri);
  $this
    ->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
  $generate_url = image_style_url($this->styleName, $original_uri);

  // Fetch the URL that generates the file.
  $this
    ->drupalGet($generate_url);
  $this
    ->assertResponse(200, 'Image was generated at the URL.');
  $this
    ->assertTrue(file_exists($generated_uri), 'Generated file does exist after we accessed it: ' . $generated_uri);

  // Store generated image info.
  $generated_image_info = image_get_info($generated_uri);

  // Compare result.
  $this
    ->assertEqual($this
    ->drupalGetHeader('Content-Type'), $generated_image_info['mime_type'], 'Expected Content-Type was reported.');
  $this
    ->assertEqual($this
    ->drupalGetHeader('Content-Length'), $generated_image_info['file_size'], 'Expected Content-Length was reported: ' . $generated_image_info['file_size'] . ' vs. ' . $this
    ->drupalGetHeader('Content-Length'));
  $this
    ->assertEqual($width, $generated_image_info['width'], 'Expected width was reported.');
  $this
    ->assertEqual($height, $generated_image_info['height'], 'Expected height was reported.');
}