function ImageAdminStylesUnitTest::testDefaultStyle in Drupal 7

Test to override, edit, then revert a style.

File

modules/image/image.test, line 771

Tests for image.module.

Class

ImageAdminStylesUnitTest

Tests creation, deletion, and editing of image styles and effects.

Code

function testDefaultStyle() {

  // Setup a style to be created and effects to add to it.
  $style_name = 'thumbnail';
  $style_label = 'Thumbnail (100x100)';
  $edit_path = 'admin/config/media/image-styles/edit/' . $style_name;
  $delete_path = 'admin/config/media/image-styles/delete/' . $style_name;
  $revert_path = 'admin/config/media/image-styles/revert/' . $style_name;

  // Ensure deleting a default is not possible.
  $this
    ->drupalGet($delete_path);
  $this
    ->assertText(t('Page not found'), 'Default styles may not be deleted.');

  // Ensure that editing a default is not possible (without overriding).
  $this
    ->drupalGet($edit_path);
  $disabled_field = $this
    ->xpath('//input[@id=:id and @disabled="disabled"]', array(
    ':id' => 'edit-name',
  ));
  $this
    ->assertTrue($disabled_field, 'Default styles may not be renamed.');
  $this
    ->assertNoField('edit-submit', 'Default styles may not be edited.');
  $this
    ->assertNoField('edit-add', 'Default styles may not have new effects added.');

  // Create an image to make sure the default works before overriding.
  drupal_static_reset('image_styles');
  $style = image_style_load($style_name);
  $image_path = $this
    ->createSampleImage($style);
  $this
    ->assertEqual($this
    ->getImageCount($style), 1, format_string('Image style %style image %file successfully generated.', array(
    '%style' => $style['name'],
    '%file' => $image_path,
  )));

  // Verify that effects attached to a default style do not have an ieid key.
  foreach ($style['effects'] as $effect) {
    $this
      ->assertFalse(isset($effect['ieid']), format_string('The %effect effect does not have an ieid.', array(
      '%effect' => $effect['name'],
    )));
  }

  // Override the default.
  $this
    ->drupalPost($edit_path, array(), t('Override defaults'));
  $this
    ->assertRaw(t('The %style style has been overridden, allowing you to change its settings.', array(
    '%style' => $style_label,
  )), 'Default image style may be overridden.');

  // Add sample effect to the overridden style.
  $this
    ->drupalPost($edit_path, array(
    'new' => 'image_desaturate',
  ), t('Add'));
  drupal_static_reset('image_styles');
  $style = image_style_load($style_name);

  // Verify that effects attached to the style have an ieid now.
  foreach ($style['effects'] as $effect) {
    $this
      ->assertTrue(isset($effect['ieid']), format_string('The %effect effect has an ieid.', array(
      '%effect' => $effect['name'],
    )));
  }

  // The style should now have 2 effect, the original scale provided by core
  // and the desaturate effect we added in the override.
  $effects = array_values($style['effects']);
  $this
    ->assertEqual($effects[0]['name'], 'image_scale', 'The default effect still exists in the overridden style.');
  $this
    ->assertEqual($effects[1]['name'], 'image_desaturate', 'The added effect exists in the overridden style.');

  // Check that we are able to rename an overridden style.
  $this
    ->drupalGet($edit_path);
  $disabled_field = $this
    ->xpath('//input[@id=:id and @disabled="disabled"]', array(
    ':id' => 'edit-name',
  ));
  $this
    ->assertFalse($disabled_field, 'Overridden styles may be renamed.');

  // Create an image to ensure the override works properly.
  $image_path = $this
    ->createSampleImage($style);
  $this
    ->assertEqual($this
    ->getImageCount($style), 1, format_string('Image style %style image %file successfully generated.', array(
    '%style' => $style['label'],
    '%file' => $image_path,
  )));

  // Revert the image style.
  $this
    ->drupalPost($revert_path, array(), t('Revert'));
  drupal_static_reset('image_styles');
  $style = image_style_load($style_name);

  // The style should now have the single effect for scale.
  $effects = array_values($style['effects']);
  $this
    ->assertEqual($effects[0]['name'], 'image_scale', 'The default effect still exists in the reverted style.');
  $this
    ->assertFalse(array_key_exists(1, $effects), 'The added effect has been removed in the reverted style.');
}