image.test

  1. drupal
    1. 8
    2. 7

Tests for image.module.

Classes

NameDescription
ImageAdminStylesUnitTestTests creation, deletion, and editing of image styles and effects.
ImageEffectsUnitTestUse the image_test.module's mock toolkit to ensure that the effects are properly passing parameters to the image toolkit.
ImageFieldDisplayTestCaseTest class to check that formatters and display settings are working.
ImageFieldTestCaseThis class provides methods specifically for testing Image's field handling.
ImageFieldValidateTestCaseTest class to check for various validations.
ImageStylesPathAndUrlUnitTestTests the functions for generating paths and URLs for image styles.
View source
<?php

/**
 * @file
 * Tests for image.module.
 */

/**
 * TODO: Test the following functions.
 *
 * image.effects.inc:
 *   image_style_generate()
 *   image_style_create_derivative()
 *
 * image.module:
 *   image_style_load()
 *   image_style_save()
 *   image_style_delete()
 *   image_style_options()
 *   image_style_flush()
 *   image_effect_definition_load()
 *   image_effect_load()
 *   image_effect_save()
 *   image_effect_delete()
 *   image_filter_keyword()
 */

/**
 * This class provides methods specifically for testing Image's field handling.
 */
class ImageFieldTestCase extends DrupalWebTestCase {
  protected $admin_user;

  function setUp() {
    parent::setUp('image');
    $this->admin_user = $this->drupalCreateUser(array('access content', 'access administration pages', 'administer site configuration', 'administer content types', 'administer nodes', 'create article content', 'edit any article content', 'delete any article content', 'administer image styles'));
    $this->drupalLogin($this->admin_user);
  }

  /**
   * Create a new image field.
   *
   * @param $name
   *   The name of the new field (all lowercase), exclude the "field_" prefix.
   * @param $type_name
   *   The node type that this field will be added to.
   * @param $field_settings
   *   A list of field settings that will be added to the defaults.
   * @param $instance_settings
   *   A list of instance settings that will be added to the instance defaults.
   * @param $widget_settings
   *   A list of widget settings that will be added to the widget defaults.
   */
  function createImageField($name, $type_name, $field_settings = array(), $instance_settings = array(), $widget_settings = array()) {
    $field = array(
      'field_name' => $name,
      'type' => 'image',
      'settings' => array(),
      'cardinality' => !empty($field_settings['cardinality']) ? $field_settings['cardinality'] : 1,
    );
    $field['settings'] = array_merge($field['settings'], $field_settings);
    field_create_field($field);

    $instance = array(
      'field_name' => $field['field_name'],
      'entity_type' => 'node',
      'label' => $name,
      'bundle' => $type_name,
      'required' => !empty($instance_settings['required']),
      'settings' => array(),
      'widget' => array(
        'type' => 'image_image',
        'settings' => array(),
      ),
    );
    $instance['settings'] = array_merge($instance['settings'], $instance_settings);
    $instance['widget']['settings'] = array_merge($instance['widget']['settings'], $widget_settings);
    return field_create_instance($instance);
  }

  /**
   * Upload an image to a node.
   *
   * @param $image
   *   A file object representing the image to upload.
   * @param $field_name
   *   Name of the image field the image should be attached to.
   * @param $type
   *   The type of node to create.
   */
  function uploadNodeImage($image, $field_name, $type) {
    $edit = array(
      'title' => $this->randomName(),
    );
    $edit['files[' . $field_name . '_' . LANGUAGE_NONE . '_0]'] = drupal_realpath($image->uri);
    $this->drupalPost('node/add/' . $type, $edit, t('Save'));

    // Retrieve ID of the newly created node from the current URL.
    $matches = array();
    preg_match('/node\/([0-9]+)/', $this->getUrl(), $matches);
    return isset($matches[1]) ? $matches[1] : FALSE;
  }
}

/**
 * Tests the functions for generating paths and URLs for image styles.
 */
class ImageStylesPathAndUrlUnitTest extends DrupalWebTestCase {
  protected $style_name;
  protected $image_info;
  protected $image_filepath;

  public static function getInfo() {
    return array(
      'name' => 'Image styles path and URL functions',
      'description' => 'Tests functions for generating paths and URLs to image styles.',
      'group' => 'Image',
    );
  }

  function setUp() {
    parent::setUp('image_module_test');

    $this->style_name = 'style_foo';
    image_style_save(array('name' => $this->style_name));
  }

  /**
   * Test image_style_path().
   */
  function testImageStylePath() {
    $scheme = 'public';
    $actual = image_style_path($this->style_name, "$scheme://foo/bar.gif");
    $expected = "$scheme://styles/" . $this->style_name . "/$scheme/foo/bar.gif";
    $this->assertEqual($actual, $expected, t('Got the path for a file URI.'));

    $actual = image_style_path($this->style_name, 'foo/bar.gif');
    $expected = "$scheme://styles/" . $this->style_name . "/$scheme/foo/bar.gif";
    $this->assertEqual($actual, $expected, t('Got the path for a relative file path.'));
  }

  /**
   * Test image_style_url() with a file using the "public://" scheme.
   */
  function testImageStyleUrlAndPathPublic() {
    $this->_testImageStyleUrlAndPath('public');
  }

  /**
   * Test image_style_url() with a file using the "private://" scheme.
   */
  function testImageStyleUrlAndPathPrivate() {
    $this->_testImageStyleUrlAndPath('private');
  }

  /**
   * Test image_style_url() with the "public://" scheme and unclean URLs.
   */
   function testImageStylUrlAndPathPublicUnclean() {
     $this->_testImageStyleUrlAndPath('public', FALSE);
   }

  /**
   * Test image_style_url() with the "private://" schema and unclean URLs.
   */
  function testImageStyleUrlAndPathPrivateUnclean() {
    $this->_testImageStyleUrlAndPath('private', FALSE);
  }

  /**
   * Test image_style_url().
   */
  function _testImageStyleUrlAndPath($scheme, $clean_url = TRUE) {
    // Make the default scheme neither "public" nor "private" to verify the
    // functions work for other than the default scheme.
    variable_set('file_default_scheme', 'temporary');
    variable_set('clean_url', $clean_url);

    // Create the directories for the styles.
    $directory = $scheme . '://styles/' . $this->style_name;
    $status = file_prepare_directory($directory, FILE_CREATE_DIRECTORY);
    $this->assertNotIdentical(FALSE, $status, t('Created the directory for the generated images for the test style.'));

    // Create a working copy of the file.
    $files = $this->drupalGetTestFiles('image');
    $file = reset($files);
    $image_info = image_get_info($file->uri);
    $original_uri = file_unmanaged_copy($file->uri, $scheme . '://', FILE_EXISTS_RENAME);
    // 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);
    $this->assertNotIdentical(FALSE, $original_uri, t('Created the generated image file.'));

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

    if (!$clean_url) {
      $this->assertTrue(strpos($generate_url, '?q=') !== FALSE, 'When using non-clean URLS, the system path contains the query string.');
    }

    // Fetch the URL that generates the file.
    $this->drupalGet($generate_url);
    $this->assertResponse(200, t('Image was generated at the URL.'));
    $this->assertTrue(file_exists($generated_uri), t('Generated file does exist after we accessed it.'));
    $this->assertRaw(file_get_contents($generated_uri), t('URL returns expected file.'));
    $generated_image_info = image_get_info($generated_uri);
    $this->assertEqual($this->drupalGetHeader('Content-Type'), $generated_image_info['mime_type'], t('Expected Content-Type was reported.'));
    $this->assertEqual($this->drupalGetHeader('Content-Length'), $generated_image_info['file_size'], t('Expected Content-Length was reported.'));
    if ($scheme == 'private') {
      $this->assertEqual($this->drupalGetHeader('X-Image-Owned-By'), 'image_module_test', t('Expected custom header has been added.'));
    }
  }
}

/**
 * Use the image_test.module's mock toolkit to ensure that the effects are
 * properly passing parameters to the image toolkit.
 */
class ImageEffectsUnitTest extends ImageToolkitTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Image effects',
      'description' => 'Test that the image effects pass parameters to the toolkit correctly.',
      'group' => 'Image',
    );
  }

  function setUp() {
    parent::setUp('image_test');
    module_load_include('inc', 'image', 'image.effects');
  }

  /**
   * Test the image_resize_effect() function.
   */
  function testResizeEffect() {
    $this->assertTrue(image_resize_effect($this->image, array('width' => 1, 'height' => 2)), t('Function returned the expected value.'));
    $this->assertToolkitOperationsCalled(array('resize'));

    // Check the parameters.
    $calls = image_test_get_all_calls();
    $this->assertEqual($calls['resize'][0][1], 1, t('Width was passed correctly'));
    $this->assertEqual($calls['resize'][0][2], 2, t('Height was passed correctly'));
  }

  /**
   * Test the image_scale_effect() function.
   */
  function testScaleEffect() {
    // @todo: need to test upscaling.
    $this->assertTrue(image_scale_effect($this->image, array('width' => 10, 'height' => 10)), t('Function returned the expected value.'));
    $this->assertToolkitOperationsCalled(array('resize'));

    // Check the parameters.
    $calls = image_test_get_all_calls();
    $this->assertEqual($calls['resize'][0][1], 10, t('Width was passed correctly'));
    $this->assertEqual($calls['resize'][0][2], 5, t('Height was based off aspect ratio and passed correctly'));
  }

  /**
   * Test the image_crop_effect() function.
   */
  function testCropEffect() {
    // @todo should test the keyword offsets.
    $this->assertTrue(image_crop_effect($this->image, array('anchor' => 'top-1', 'width' => 3, 'height' => 4)), t('Function returned the expected value.'));
    $this->assertToolkitOperationsCalled(array('crop'));

    // Check the parameters.
    $calls = image_test_get_all_calls();
    $this->assertEqual($calls['crop'][0][1], 0, t('X was passed correctly'));
    $this->assertEqual($calls['crop'][0][2], 1, t('Y was passed correctly'));
    $this->assertEqual($calls['crop'][0][3], 3, t('Width was passed correctly'));
    $this->assertEqual($calls['crop'][0][4], 4, t('Height was passed correctly'));
  }

  /**
   * Test the image_scale_and_crop_effect() function.
   */
  function testScaleAndCropEffect() {
    $this->assertTrue(image_scale_and_crop_effect($this->image, array('width' => 5, 'height' => 10)), t('Function returned the expected value.'));
    $this->assertToolkitOperationsCalled(array('resize', 'crop'));

    // Check the parameters.
    $calls = image_test_get_all_calls();
    $this->assertEqual($calls['crop'][0][1], 7.5, t('X was computed and passed correctly'));
    $this->assertEqual($calls['crop'][0][2], 0, t('Y was computed and passed correctly'));
    $this->assertEqual($calls['crop'][0][3], 5, t('Width was computed and passed correctly'));
    $this->assertEqual($calls['crop'][0][4], 10, t('Height was computed and passed correctly'));
  }

  /**
   * Test the image_desaturate_effect() function.
   */
  function testDesaturateEffect() {
    $this->assertTrue(image_desaturate_effect($this->image, array()), t('Function returned the expected value.'));
    $this->assertToolkitOperationsCalled(array('desaturate'));

    // Check the parameters.
    $calls = image_test_get_all_calls();
    $this->assertEqual(count($calls['desaturate'][0]), 1, t('Only the image was passed.'));
  }

  /**
   * Test the image_rotate_effect() function.
   */
  function testRotateEffect() {
    // @todo: need to test with 'random' => TRUE
    $this->assertTrue(image_rotate_effect($this->image, array('degrees' => 90, 'bgcolor' => '#fff')), t('Function returned the expected value.'));
    $this->assertToolkitOperationsCalled(array('rotate'));

    // Check the parameters.
    $calls = image_test_get_all_calls();
    $this->assertEqual($calls['rotate'][0][1], 90, t('Degrees were passed correctly'));
    $this->assertEqual($calls['rotate'][0][2], 0xffffff, t('Background color was passed correctly'));
  }
}

/**
 * Tests creation, deletion, and editing of image styles and effects.
 */
class ImageAdminStylesUnitTest extends ImageFieldTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Image styles and effects UI configuration',
      'description' => 'Tests creation, deletion, and editing of image styles and effects at the UI level.',
      'group' => 'Image',
    );
  }

  /**
   * Given an image style, generate an image.
   */
  function createSampleImage($style) {
    static $file_path;

    // First, we need to make sure we have an image in our testing
    // file directory. Copy over an image on the first run.
    if (!isset($file_path)) {
      $files = $this->drupalGetTestFiles('image');
      $file = reset($files);
      $file_path = file_unmanaged_copy($file->uri);
    }

    return image_style_url($style['name'], $file_path) ? $file_path : FALSE;
  }

  /**
   * Count the number of images currently create for a style.
   */
  function getImageCount($style) {
    return count(file_scan_directory('public://styles/' . $style['name'], '/.*/'));
  }

  /**
   * General test to add a style, add/remove/edit effects to it, then delete it.
   */
  function testStyle() {
    // Setup a style to be created and effects to add to it.
    $style_name = strtolower($this->randomName(10));
    $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(
        // No options for desaturate.
      ),
      'image_rotate' => array(
        'data[degrees]' => 5,
        'data[random]' => 1,
        'data[bgcolor]' => '#FFFF00',
      ),
    );

    // Add style form.

    $edit = array(
      'name' => $style_name,
    );
    $this->drupalPost('admin/config/media/image-styles/add', $edit, t('Create new style'));
    $this->assertRaw(t('Style %name was created.', array('%name' => $style_name)), t('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, t('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, t('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));
    $weight = count($effect_edits);
    $edit = array(
      'name' => $style_name,
    );
    foreach ($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, t('Image style %style image %file successfully generated.', array('%style' => $style['name'], '%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, t('Image style %original renamed to %new', array('%original' => $style['name'], '%new' => $style_name)));

    // 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, t('Image style %style was flushed after renaming the style and updating the order of effects.', array('%style' => $style['name'])));

    // 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, t('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, t('Image style %style image %file successfully generated.', array('%style' => $style['name'], '%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'])), t('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), t('Image style %style directory removed on style deletion.', array('%style' => $style['name'])));

    drupal_static_reset('image_styles');
    $this->assertFalse(image_style_load($style_name), t('Image style %style successfully deleted.', array('%style' => $style['name'])));

  }

  /**
   * Test to override, edit, then revert a style.
   */
  function testDefaultStyle() {
    // Setup a style to be created and effects to add to it.
    $style_name = 'thumbnail';
    $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'), t('Default styles may not be deleted.'));

    // Ensure that editing a default is not possible (without overriding).
    $this->drupalGet($edit_path);
    $this->assertNoField('edit-name', t('Default styles may not be renamed.'));
    $this->assertNoField('edit-submit', t('Default styles may not be edited.'));
    $this->assertNoField('edit-add', t('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, t('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']), t('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_name)), t('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']), t('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', t('The default effect still exists in the overridden style.'));
    $this->assertEqual($effects[1]['name'], 'image_desaturate', t('The added effect exists in the overridden style.'));

    // Check that we are unable to rename an overridden style.
    $this->drupalGet($edit_path);
    $this->assertNoField('edit-name', t('Overridden styles may not be renamed.'));

    // Create an image to ensure the override works properly.
    $image_path = $this->createSampleImage($style);
    $this->assertEqual($this->getImageCount($style), 1, t('Image style %style image %file successfully generated.', array('%style' => $style['name'], '%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', t('The default effect still exists in the reverted style.'));
    $this->assertFalse(array_key_exists(1, $effects), t('The added effect has been removed in the reverted style.'));
  }

  /**
   * Test deleting a style and choosing a replacement style.
   */
  function testStyleReplacement() {
    // Create a new style.
    $style_name = strtolower($this->randomName(10));
    image_style_save(array('name' => $style_name));
    $style_path = 'admin/config/media/image-styles/edit/' . $style_name;

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

    // Create a new node with an image attached.
    $test_image = current($this->drupalGetTestFiles('image'));
    $nid = $this->uploadNodeImage($test_image, $field_name, 'article');
    $node = node_load($nid);

    // Test that image is displayed using newly created style.
    $this->drupalGet('node/' . $nid);
    $this->assertRaw(image_style_url($style_name, $node->{$field_name}[LANGUAGE_NONE][0]['uri']), t('Image displayed using style @style.', array('@style' => $style_name)));

    // Rename the style and make sure the image field is updated.
    $new_style_name = strtolower($this->randomName(10));
    $edit = array(
      'name' => $new_style_name,
    );
    $this->drupalPost('admin/config/media/image-styles/edit/' . $style_name, $edit, t('Update style'));
    $this->assertText(t('Changes to the style have been saved.'), t('Style %name was renamed to %new_name.', array('%name' => $style_name, '%new_name' => $new_style_name)));
    $this->drupalGet('node/' . $nid);
    $this->assertRaw(image_style_url($new_style_name, $node->{$field_name}[LANGUAGE_NONE][0]['uri']), t('Image displayed using style replacement style.'));

    // Delete the style and choose a replacement style.
    $edit = array(
      'replacement' => 'thumbnail',
    );
    $this->drupalPost('admin/config/media/image-styles/delete/' . $new_style_name, $edit, t('Delete'));
    $message = t('Style %name was deleted.', array('%name' => $new_style_name));
    $this->assertRaw($message, $message);

    $this->drupalGet('node/' . $nid);
    $this->assertRaw(image_style_url('thumbnail', $node->{$field_name}[LANGUAGE_NONE][0]['uri']), t('Image displayed using style replacement style.'));
  }
}

/**
 * Test class to check that formatters and display settings are working.
 */
class ImageFieldDisplayTestCase extends ImageFieldTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Image field display tests',
      'description' => 'Test the display of image fields.',
      'group' => 'Image',
    );
  }

  /**
   * Test image formatters on node display for public files.
   */
  function testImageFieldFormattersPublic() {
    $this->_testImageFieldFormatters('public');
  }

  /**
   * Test image formatters on node display for private files.
   */
  function testImageFieldFormattersPrivate() {
    // Remove access content permission from anonymous users.
    user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array('access content' => FALSE));
    $this->_testImageFieldFormatters('private');
  }

  /**
   * Test image formatters on node display.
   */
  function _testImageFieldFormatters($scheme) {
    $field_name = strtolower($this->randomName());
    $this->createImageField($field_name, 'article', array('uri_scheme' => $scheme));
    // Create a new node with an image attached.
    $test_image = current($this->drupalGetTestFiles('image'));
    $nid = $this->uploadNodeImage($test_image, $field_name, 'article');
    $node = node_load($nid, NULL, TRUE);

    // Test that the default formatter is being used.
    $image_uri = $node->{$field_name}[LANGUAGE_NONE][0]['uri'];
    $image_info = array(
      'path' => $image_uri,
    );
    $default_output = theme('image', $image_info);
    $this->assertRaw($default_output, t('Default formatter displaying correctly on full node view.'));

    // Test the image linked to file formatter.
    $instance = field_info_instance('node', $field_name, 'article');
    $instance['display']['default']['type'] = 'image';
    $instance['display']['default']['settings']['image_link'] = 'file';
    field_update_instance($instance);
    $default_output = l(theme('image', $image_info), file_create_url($image_uri), array('html' => TRUE));
    $this->drupalGet('node/' . $nid);
    $this->assertRaw($default_output, t('Image linked to file formatter displaying correctly on full node view.'));
    // Verify that the image can be downloaded.
    $this->assertEqual(file_get_contents($test_image->uri), $this->drupalGet(file_create_url($image_uri)), t('File was downloaded successfully.'));
    if ($scheme == 'private') {
      // Only verify HTTP headers when using private scheme and the headers are
      // sent by Drupal.
      $this->assertEqual($this->drupalGetHeader('Content-Type'), 'image/png; name="' . $test_image->filename . '"', t('Content-Type header was sent.'));
      $this->assertEqual($this->drupalGetHeader('Content-Disposition'), 'inline; filename="' . $test_image->filename . '"', t('Content-Disposition header was sent.'));
      $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'private', t('Cache-Control header was sent.'));

      // Log out and try to access the file.
      $this->drupalLogout();
      $this->drupalGet(file_create_url($image_uri));
      $this->assertResponse('403', t('Access denied to original image as anonymous user.'));

      // Log in again.
      $this->drupalLogin($this->admin_user);
    }

    // Test the image linked to content formatter.
    $instance['display']['default']['settings']['image_link'] = 'content';
    field_update_instance($instance);
    $default_output = l(theme('image', $image_info), 'node/' . $nid, array('html' => TRUE, 'attributes' => array('class' => 'active')));
    $this->drupalGet('node/' . $nid);
    $this->assertRaw($default_output, t('Image linked to content formatter displaying correctly on full node view.'));

    // Test the image style 'thumbnail' formatter.
    $instance['display']['default']['settings']['image_link'] = '';
    $instance['display']['default']['settings']['image_style'] = 'thumbnail';
    field_update_instance($instance);
    // Ensure the derivative image is generated so we do not have to deal with
    // image style callback paths.
    $this->drupalGet(image_style_url('thumbnail', $image_uri));
    $image_info['path'] = image_style_path('thumbnail', $image_uri);
    $default_output = theme('image', $image_info);
    $this->drupalGet('node/' . $nid);
    $this->assertRaw($default_output, t('Image style thumbnail formatter displaying correctly on full node view.'));

    if ($scheme == 'private') {
      // Log out and try to access the file.
      $this->drupalLogout();
      $this->drupalGet(image_style_url('thumbnail', $image_uri));
      $this->assertResponse('403', t('Access denied to image style thumbnail as anonymous user.'));
    }
  }

  /**
   * Tests for image field settings.
   */
  function testImageFieldSettings() {
    $test_image = current($this->drupalGetTestFiles('image'));
    list(, $test_image_extension) = explode('.', $test_image->filename);
    $field_name = strtolower($this->randomName());
    $instance_settings = array(
      'alt_field' => 1,
      'file_extensions' => $test_image_extension,
      'max_filesize' => '50 KB',
      'max_resolution' => '100x100',
      'min_resolution' => '10x10',
      'title_field' => 1,
    );
    $widget_settings = array(
      'preview_image_style' => 'medium',
    );
    $this->createImageField($field_name, 'article', array(), $instance_settings, $widget_settings);
    $instance = field_info_instance('node', $field_name, 'article');

    $this->drupalGet('node/add/article');
    $this->assertText(t('Files must be less than 50 KB.'), t('Image widget max file size is displayed on article form.'));
    $this->assertText(t('Allowed file types: ' . $test_image_extension . '.'), t('Image widget allowed file types displayed on article form.'));
    $this->assertText(t('Images must be between 10x10 and 100x100 pixels.'), t('Image widget allowed resolution displayed on article form.'));

    // We have to create the article first and then edit it because the alt
    // and title fields do not display until the image has been attached.
    $nid = $this->uploadNodeImage($test_image, $field_name, 'article');
    $this->drupalGet('node/' . $nid . '/edit');
    $this->assertFieldByName($field_name . '[' . LANGUAGE_NONE . '][0][alt]', '', t('Alt field displayed on article form.'));
    $this->assertFieldByName($field_name . '[' . LANGUAGE_NONE . '][0][title]', '', t('Title field displayed on article form.'));
    // Verify that the attached image is being previewed using the 'medium'
    // style.
    $node = node_load($nid, NULL, TRUE);
    $image_info = array(
      'path' => image_style_url('medium', $node->{$field_name}[LANGUAGE_NONE][0]['uri']),
    );
    $default_output = theme('image', $image_info);
    $this->assertRaw($default_output, t("Preview image is displayed using 'medium' style."));

    // Add alt/title fields to the image and verify that they are displayed.
    $image_info = array(
      'path' => $node->{$field_name}[LANGUAGE_NONE][0]['uri'],
      'alt' => $this->randomName(),
      'title' => $this->randomName(),
    );
    $edit = array(
      $field_name . '[' . LANGUAGE_NONE . '][0][alt]' => $image_info['alt'],
      $field_name . '[' . LANGUAGE_NONE . '][0][title]' => $image_info['title'],
    );
    $this->drupalPost('node/' . $nid . '/edit', $edit, t('Save'));
    $default_output = theme('image', $image_info);
    $this->assertRaw($default_output, t('Image displayed using user supplied alt and title attributes.'));
  }

  /**
   * Test use of a default image with an image field.
   */
  function testImageFieldDefaultImage() {
    // Create a new image field.
    $field_name = strtolower($this->randomName());
    $this->createImageField($field_name, 'article');

    // Create a new node, with no images and verify that no images are
    // displayed.
    $node = $this->drupalCreateNode(array('type' => 'article'));
    $this->drupalGet('node/' . $node->nid);
    // Verify that no image is displayed on the page by checking for the class
    // that would be used on the image field.
    $this->assertNoPattern('<div class="(.*?)field-name-' . strtr($field_name, '_', '-') . '(.*?)">', t('No image displayed when no image is attached and no default image specified.'));

    // Add a default image to the public imagefield instance.
    $images = $this->drupalGetTestFiles('image');
    $edit = array(
      'files[field_settings_default_image]' => drupal_realpath($images[0]->uri),
    );
    $this->drupalPost('admin/structure/types/manage/article/fields/' . $field_name, $edit, t('Save settings'));
    // Clear field info cache so the new default image is detected.
    field_info_cache_clear();
    $field = field_info_field($field_name);
    $image = file_load($field['settings']['default_image']);
    $this->assertTrue($image->status == FILE_STATUS_PERMANENT, t('The default image status is permanent.'));
    $default_output = theme('image', array('path' => $image->uri));
    $this->drupalGet('node/' . $node->nid);
    $this->assertRaw($default_output, t('Default image displayed when no user supplied image is present.'));

    // Create a node with an image attached and ensure that the default image
    // is not displayed.
    $nid = $this->uploadNodeImage($images[1], $field_name, 'article');
    $node = node_load($nid, NULL, TRUE);
    $image_info = array(
      'path' => $node->{$field_name}[LANGUAGE_NONE][0]['uri'],
    );
    $image_output = theme('image', $image_info);
    $this->drupalGet('node/' . $nid);
    $this->assertNoRaw($default_output, t('Default image is not displayed when user supplied image is present.'));
    $this->assertRaw($image_output, t('User supplied image is displayed.'));

    // Remove default image from the field and make sure it is no longer used.
    $edit = array(
      'field[settings][default_image][fid]' => 0,
    );
    $this->drupalPost('admin/structure/types/manage/article/fields/' . $field_name, $edit, t('Save settings'));
    // Clear field info cache so the new default image is detected.
    field_info_cache_clear();
    $field = field_info_field($field_name);
    $this->assertFalse($field['settings']['default_image'], t('Default image removed from field.'));
    // Create an image field that uses the private:// scheme and test that the
    // default image works as expected.
    $private_field_name = strtolower($this->randomName());
    $this->createImageField($private_field_name, 'article', array('uri_scheme' => 'private'));
    // Add a default image to the new field.
    $edit = array(
      'files[field_settings_default_image]' => drupal_realpath($images[1]->uri),
    );
    $this->drupalPost('admin/structure/types/manage/article/fields/' . $private_field_name, $edit, t('Save settings'));
    $private_field = field_info_field($private_field_name);
    $image = file_load($private_field['settings']['default_image']);
    $this->assertEqual('private', file_uri_scheme($image->uri), t('Default image uses private:// scheme.'));
    $this->assertTrue($image->status == FILE_STATUS_PERMANENT, t('The default image status is permanent.'));
    // Create a new node with no image attached and ensure that default private
    // image is displayed.
    $node = $this->drupalCreateNode(array('type' => 'article'));
    $default_output = theme('image', array('path' => $image->uri));
    $this->drupalGet('node/' . $node->nid);
    $this->assertRaw($default_output, t('Default private image displayed when no user supplied image is present.'));
  }
}

/**
 * Test class to check for various validations.
 */
class ImageFieldValidateTestCase extends ImageFieldTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Image field validation tests',
      'description' => 'Tests validation functions such as min/max resolution.',
      'group' => 'Image',
    );
  }

  /**
   * Test min/max resolution settings.
   */
  function testResolution() {
    $field_name = strtolower($this->randomName());
    $min_resolution = 50;
    $max_resolution = 100;
    $instance_settings = array(
      'max_resolution' => $max_resolution . 'x' . $max_resolution,
      'min_resolution' => $min_resolution . 'x' . $min_resolution,
    );
    $this->createImageField($field_name, 'article', array(), $instance_settings);

    // We want a test image that is too small, and a test image that is too
    // big, so cycle through test image files until we have what we need.
    $image_that_is_too_big = FALSE;
    $image_that_is_too_small = FALSE;
    foreach ($this->drupalGetTestFiles('image') as $image) {
      $info = image_get_info($image->uri);
      if ($info['width'] > $max_resolution) {
        $image_that_is_too_big = $image;
      }
      if ($info['width'] < $min_resolution) {
        $image_that_is_too_small = $image;
      }
      if ($image_that_is_too_small && $image_that_is_too_big) {
        break;
      }
    }
    $nid = $this->uploadNodeImage($image_that_is_too_small, $field_name, 'article');
    $this->assertText(t('The specified file ' . $image_that_is_too_small->filename . ' could not be uploaded. The image is too small; the minimum dimensions are 50x50 pixels.'), t('Node save failed when minimum image resolution was not met.'));
    $nid = $this->uploadNodeImage($image_that_is_too_big, $field_name, 'article');
    $this->assertText(t('The image was resized to fit within the maximum allowed dimensions of 100x100 pixels.'), t('Image exceeding max resolution was properly resized.'));
  }
}