class ImageFieldDefaultImagesTestCase

class ImageFieldDefaultImagesTestCase extends ImageFieldTestCase {

  /**
   * {@inheritdoc}
   */
  public function setUp() {
    parent::setUp(array('field_ui'));
  }

  /**
   * Tests CRUD for fields and fields instances with default images.
   */
  public function testDefaultImages() {
    // Create files to use as the default images.
    $files = $this->backdropGetTestFiles('image');
    $default_images = array();
    foreach (array('field', 'instance', 'instance2', 'field_new', 'instance_new') as $image_target) {
      $file = (array) array_pop($files);
      $default_images[$image_target] = $file['uri'];
    }

    // Create an image field and add an instance to the post content type.
    $field_name = strtolower($this->randomName());
    $field_settings = array(
      'default_image' => $default_images['field'],
    );
    $instance_settings = array(
      'default_image' => $default_images['instance'],
    );
    $widget_settings = array(
      'preview_image_style' => 'medium',
    );
    $this->createImageField($field_name, 'post', $field_settings, $instance_settings, $widget_settings);
    $field = field_info_field($field_name);
    $instance = field_info_instance('node', $field_name, 'post');

    // Add another instance with another default image to the page content type.
    $instance2 = array_merge($instance, array(
      'bundle' => 'page',
      'settings' => array(
        'default_image' => $default_images['instance2'],
      ),
    ));
    field_create_instance($instance2);
    $instance2 = field_info_instance('node', $field_name, 'page');


    // Confirm the defaults are present on the post field admin form.
    $this->backdropGet("admin/structure/types/manage/post/fields/$field_name");

    // Post instance settings.
    $xpath = $this->xpath('//*[@id="edit-instance"]//div[contains(@class, "form-type-file")]//a[@href=:path]', array(':path' => file_create_url($default_images['instance'])));
    $this->assertEqual(count($xpath), 1, format_string('Post image field instance default references expected file uri of @uri.', array('@uri' => $default_images['instance'])));

    // Global field settings.
    $xpath = $this->xpath('//*[@id="edit-field"]//div[contains(@class, "form-type-file")]//a[@href=:path]', array(':path' => file_create_url($default_images['field'])));
    $this->assertEqual(count($xpath), 1, format_string('Post image field default references expected file uri of @uri.', array('@uri' => $default_images['field'])));

    // Confirm the defaults are present on the page field admin form.
    $this->backdropGet("admin/structure/types/manage/page/fields/$field_name");

    // Page instance settings.
    $xpath = $this->xpath('//*[@id="edit-instance"]//div[contains(@class, "form-type-file")]//a[@href=:path]', array(':path' => file_create_url($default_images['instance2'])));
    $this->assertEqual(count($xpath), 1, format_string('Page image field instance default references expected file uri of @uri.', array('@uri' => $default_images['instance2'])));

    // Global field settings.
    $xpath = $this->xpath('//*[@id="edit-field"]//div[contains(@class, "form-type-file")]//a[@href=:path]', array(':path' => file_create_url($default_images['field'])));
    $this->assertEqual(count($xpath), 1, format_string('Page image field default references expected file uri of @uri.', array('@uri' => $default_images['field'])));

    // Confirm that the image default is shown for a new post node.
    $post = $this->backdropCreateNode(array('type' => 'post'));
    $post_built = node_view($post);
    $this->assertEqual(
    $post_built[$field_name]['#items'][0]['uri'], 
    $default_images['instance'], 
    format_string(
    'A new post node without an image has the expected default image file URI of @uri.', 
    array('@uri' => $default_images['instance'])
    )
    );

    // Confirm that the image default is shown for a new page node.
    $page = $this->backdropCreateNode(array('type' => 'page'));
    $page_built = node_view($page);
    $this->assertEqual(
    $page_built[$field_name]['#items'][0]['uri'], 
    $default_images['instance2'], 
    format_string(
    'A new page node without an image has the expected default image file ID of @uri.', 
    array('@uri' => $default_images['instance2'])
    )
    );

    // Upload a new default for the field.
    $field['settings']['default_image'] = $default_images['field_new'];
    field_update_field($field);

    // Confirm that the new field default is used on the post admin form.
    $this->backdropGet("admin/structure/types/manage/post/fields/$field_name");
    $xpath = $this->xpath('//*[@id="edit-field"]//div[contains(@class, "form-type-file")]//a[@href=:path]', array(':path' => file_create_url($default_images['field_new'])));
    $this->assertEqual(count($xpath), 1, format_string('Updated image field default references expected file uri of @uri.', array('@uri' => $default_images['field_new'])));

    // Reload the nodes and confirm the field instance defaults are used.
    $post_built = node_view($post = node_load($post->nid, NULL, $reset = TRUE));
    $page_built = node_view($page = node_load($page->nid, NULL, $reset = TRUE));
    $this->assertEqual(
    $post_built[$field_name]['#items'][0]['uri'], 
    $default_images['instance'], 
    format_string(
    'An existing post node without an image has the expected default image file URI of @uri.', 
    array('@uri' => $default_images['instance'])
    )
    );
    $this->assertEqual(
    $page_built[$field_name]['#items'][0]['uri'], 
    $default_images['instance2'], 
    format_string(
    'An existing page node without an image has the expected default image file URI of @uri.', 
    array('@uri' => $default_images['instance2'])
    )
    );

    // Upload a new default for the post's field instance.
    $instance['settings']['default_image'] = $default_images['instance_new'];
    field_update_instance($instance);

    // Confirm the new field instance default is used on the post field
    // admin form.
    $this->backdropGet("admin/structure/types/manage/post/fields/$field_name");
    $xpath = $this->xpath('//*[@id="edit-instance"]//div[contains(@class, "form-type-file")]//a[@href=:path]', array(':path' => file_create_url($default_images['instance_new'])));
    $this->assertEqual(count($xpath), 1, format_string('Updated image field default references expected file uri of @uri.', array('@uri' => $default_images['instance_new'])));

    // Reload the nodes.
    $post_built = node_view($post = node_load($post->nid, NULL, $reset = TRUE));
    $page_built = node_view($page = node_load($page->nid, NULL, $reset = TRUE));

    // Confirm the post uses the new default.
    $this->assertEqual(
    $post_built[$field_name]['#items'][0]['uri'], 
    $default_images['instance_new'], 
    format_string(
    'An existing post node without an image has the expected default image file URI of @uri.', 
    array('@uri' => $default_images['instance_new'])
    )
    );
    // Confirm the page remains unchanged.
    $this->assertEqual(
    $page_built[$field_name]['#items'][0]['uri'], 
    $default_images['instance2'], 
    format_string(
    'An existing page node without an image has the expected default image file URI of @uri.', 
    array('@uri' => $default_images['instance2'])
    )
    );

    // Remove the instance default from posts.
    $instance['settings']['default_image'] = NULL;
    field_update_instance($instance);

    // Confirm the post field instance default has been removed.
    $this->backdropGet("admin/structure/types/manage/post/fields/$field_name");
    $xpath = $this->xpath('//*[@id="edit-instance"]//div[contains(@class, "form-type-file")]//a[@href=:path]', array(':path' => file_create_url($default_images['instance_new'])));
    $this->assertEqual(count($xpath), 0, format_string('Updated post image field instance default has been successfully removed.'));

    // Reload the nodes.
    $post_built = node_view($post = node_load($post->nid, NULL, $reset = TRUE));
    $page_built = node_view($page = node_load($page->nid, NULL, $reset = TRUE));
    // Confirm the post uses the new field (not instance) default.
    $this->assertEqual(
    $post_built[$field_name]['#items'][0]['uri'], 
    $default_images['field_new'], 
    format_string(
    'An existing post node without an image has the expected default image file URI of @uri.', 
    array('@uri' => $default_images['field_new'])
    )
    );
    // Confirm the page remains unchanged.
    $this->assertEqual(
    $page_built[$field_name]['#items'][0]['uri'], 
    $default_images['instance2'], 
    format_string(
    'An existing page node without an image has the expected default image file URI of @uri.', 
    array('@uri' => $default_images['instance2'])
    )
    );
  }
}