function ImageAdminStylesUnitTest::testStyle in Drupal 7

General test to add a style, add/remove/edit effects to it, then delete it.

File

modules/image/image.test, line 615

Tests for image.module.

Class

ImageAdminStylesUnitTest

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

Code

function testStyle() {

  // Setup a style to be created and effects to add to it.
  $style_name = strtolower($this
    ->randomName(10));
  $style_label = $this
    ->randomString();
  $style_path = 'admin/config/media/image-styles/edit/' . $style_name;
  $effect_edits = array(
    'image_resize' => array(
      'data[width]' => 100,
      'data[height]' => 101,
    ),
    'image_scale' => array(
      'data[width]' => 110,
      'data[height]' => 111,
      'data[upscale]' => 1,
    ),
    'image_scale_and_crop' => array(
      'data[width]' => 120,
      'data[height]' => 121,
    ),
    'image_crop' => array(
      'data[width]' => 130,
      'data[height]' => 131,
      'data[anchor]' => 'center-center',
    ),
    'image_desaturate' => array(),
    'image_rotate' => array(
      'data[degrees]' => 5,
      'data[random]' => 1,
      'data[bgcolor]' => '#FFFF00',
    ),
  );

  // Add style form.
  $edit = array(
    'name' => $style_name,
    'label' => $style_label,
  );
  $this
    ->drupalPost('admin/config/media/image-styles/add', $edit, t('Create new style'));
  $this
    ->assertRaw(t('Style %name was created.', array(
    '%name' => $style_label,
  )), 'Image style successfully created.');

  // Add effect form.
  // Add each sample effect to the style.
  foreach ($effect_edits as $effect => $edit) {

    // Add the effect.
    $this
      ->drupalPost($style_path, array(
      'new' => $effect,
    ), t('Add'));
    if (!empty($edit)) {
      $this
        ->drupalPost(NULL, $edit, t('Add effect'));
    }
  }

  // Edit effect form.
  // Revisit each form to make sure the effect was saved.
  drupal_static_reset('image_styles');
  $style = image_style_load($style_name);
  foreach ($style['effects'] as $ieid => $effect) {
    $this
      ->drupalGet($style_path . '/effects/' . $ieid);
    foreach ($effect_edits[$effect['name']] as $field => $value) {
      $this
        ->assertFieldByName($field, $value, format_string('The %field field in the %effect effect has the correct value of %value.', array(
        '%field' => $field,
        '%effect' => $effect['name'],
        '%value' => $value,
      )));
    }
  }

  // Image style overview form (ordering and renaming).
  // Confirm the order of effects is maintained according to the order we
  // added the fields.
  $effect_edits_order = array_keys($effect_edits);
  $effects_order = array_values($style['effects']);
  $order_correct = TRUE;
  foreach ($effects_order as $index => $effect) {
    if ($effect_edits_order[$index] != $effect['name']) {
      $order_correct = FALSE;
    }
  }
  $this
    ->assertTrue($order_correct, 'The order of the effects is correctly set by default.');

  // Test the style overview form.
  // Change the name of the style and adjust the weights of effects.
  $style_name = strtolower($this
    ->randomName(10));
  $style_label = $this
    ->randomString();
  $weight = count($effect_edits);
  $edit = array(
    'name' => $style_name,
    'label' => $style_label,
  );
  foreach ($style['effects'] as $ieid => $effect) {
    $edit['effects[' . $ieid . '][weight]'] = $weight;
    $weight--;
  }

  // Create an image to make sure it gets flushed after saving.
  $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,
  )));
  $this
    ->drupalPost($style_path, $edit, t('Update style'));

  // Note that after changing the style name, the style path is changed.
  $style_path = 'admin/config/media/image-styles/edit/' . $style_name;

  // Check that the URL was updated.
  $this
    ->drupalGet($style_path);
  $this
    ->assertResponse(200, format_string('Image style %original renamed to %new', array(
    '%original' => $style['label'],
    '%new' => $style_label,
  )));

  // Check that the image was flushed after updating the style.
  // This is especially important when renaming the style. Make sure that
  // the old image directory has been deleted.
  $this
    ->assertEqual($this
    ->getImageCount($style), 0, format_string('Image style %style was flushed after renaming the style and updating the order of effects.', array(
    '%style' => $style['label'],
  )));

  // Load the style by the new name with the new weights.
  drupal_static_reset('image_styles');
  $style = image_style_load($style_name, NULL);

  // Confirm the new style order was saved.
  $effect_edits_order = array_reverse($effect_edits_order);
  $effects_order = array_values($style['effects']);
  $order_correct = TRUE;
  foreach ($effects_order as $index => $effect) {
    if ($effect_edits_order[$index] != $effect['name']) {
      $order_correct = FALSE;
    }
  }
  $this
    ->assertTrue($order_correct, 'The order of the effects is correctly set by default.');

  // Image effect deletion form.
  // Create an image to make sure it gets flushed after deleting an effect.
  $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,
  )));

  // Test effect deletion form.
  $effect = array_pop($style['effects']);
  $this
    ->drupalPost($style_path . '/effects/' . $effect['ieid'] . '/delete', array(), t('Delete'));
  $this
    ->assertRaw(t('The image effect %name has been deleted.', array(
    '%name' => $effect['label'],
  )), 'Image effect deleted.');

  // Style deletion form.
  // Delete the style.
  $this
    ->drupalPost('admin/config/media/image-styles/delete/' . $style_name, array(), t('Delete'));

  // Confirm the style directory has been removed.
  $directory = file_default_scheme() . '://styles/' . $style_name;
  $this
    ->assertFalse(is_dir($directory), format_string('Image style %style directory removed on style deletion.', array(
    '%style' => $style['label'],
  )));
  drupal_static_reset('image_styles');
  $this
    ->assertFalse(image_style_load($style_name), format_string('Image style %style successfully deleted.', array(
    '%style' => $style['label'],
  )));
}