Club Drupal

<?php

/**

 * @file

 * Tests for field_ui.module.

 */

/**

 * Provides common functionality for the Field UI test classes.

 */

class FieldUITestCase extends DrupalWebTestCase {

  function setUp() {

    // Since this is a base class for many test cases, support the same

    // flexibility that DrupalWebTestCase::setUp() has for the modules to be

    // passed in as either an array or a variable number of string arguments.

    $modules = func_get_args();

    if (isset($modules[0]) && is_array($modules[0])) {

      $modules = $modules[0];

    }

    $modules[] = 'field_test';

    parent::setUp($modules);

    // Create test user.

    $admin_user = $this->drupalCreateUser(array('access content', 'administer content types', 'administer taxonomy', 'administer fields'));

    $this->drupalLogin($admin_user);

    // Create content type, with underscores.

    $type_name = strtolower($this->randomName(8)) . '_test';

    $type = $this->drupalCreateContentType(array('name' => $type_name, 'type' => $type_name));

    $this->type = $type->type;

    // Store a valid URL name, with hyphens instead of underscores.

    $this->hyphen_type = str_replace('_', '-', $this->type);

  }

  /**

   * Creates a new field through the Field UI.

   *

   * @param $bundle_path

   *   Admin path of the bundle that the new field is to be attached to.

   * @param $initial_edit

   *   $edit parameter for drupalPost() on the first step ('Manage fields'

   *   screen).

   * @param $field_edit

   *   $edit parameter for drupalPost() on the second step ('Field settings'

   *   form).

   * @param $instance_edit

   *   $edit parameter for drupalPost() on the third step ('Instance settings'

   *   form).

   */

  function fieldUIAddNewField($bundle_path, $initial_edit, $field_edit = array(), $instance_edit = array()) {

    // Use 'test_field' field type by default.

    $initial_edit += array(

      'fields[_add_new_field][type]' => 'test_field',

      'fields[_add_new_field][widget_type]' => 'test_field_widget',

    );

    $label = $initial_edit['fields[_add_new_field][label]'];

    $field_name = $initial_edit['fields[_add_new_field][field_name]'];

    // First step : 'Add new field' on the 'Manage fields' page.

    $this->drupalPost("$bundle_path/fields",  $initial_edit, t('Save'));

    $this->assertRaw(t('These settings apply to the %label field everywhere it is used.', array('%label' => $label)), 'Field settings page was displayed.');

    // Second step : 'Field settings' form.

    $this->drupalPost(NULL, $field_edit, t('Save field settings'));

    $this->assertRaw(t('Updated field %label field settings.', array('%label' => $label)), 'Redirected to instance and widget settings page.');

    // Third step : 'Instance settings' form.

    $this->drupalPost(NULL, $instance_edit, t('Save settings'));

    $this->assertRaw(t('Saved %label configuration.', array('%label' => $label)), 'Redirected to "Manage fields" page.');

    // Check that the field appears in the overview form.

    $this->assertFieldByXPath('//table[@id="field-overview"]//td[1]', $label, 'Field was created and appears in the overview page.');

  }

  /**

   * Adds an existing field through the Field UI.

   *

   * @param $bundle_path

   *   Admin path of the bundle that the field is to be attached to.

   * @param $initial_edit

   *   $edit parameter for drupalPost() on the first step ('Manage fields'

   *   screen).

   * @param $instance_edit

   *   $edit parameter for drupalPost() on the second step ('Instance settings'

   *   form).

   */

  function fieldUIAddExistingField($bundle_path, $initial_edit, $instance_edit = array()) {

    // Use 'test_field_widget' by default.

    $initial_edit += array(

      'fields[_add_existing_field][widget_type]' => 'test_field_widget',

    );

    $label = $initial_edit['fields[_add_existing_field][label]'];

    $field_name = $initial_edit['fields[_add_existing_field][field_name]'];

    // First step : 'Add existing field' on the 'Manage fields' page.

    $this->drupalPost("$bundle_path/fields", $initial_edit, t('Save'));

    // Second step : 'Instance settings' form.

    $this->drupalPost(NULL, $instance_edit, t('Save settings'));

    $this->assertRaw(t('Saved %label configuration.', array('%label' => $label)), 'Redirected to "Manage fields" page.');

    // Check that the field appears in the overview form.

    $this->assertFieldByXPath('//table[@id="field-overview"]//td[1]', $label, 'Field was created and appears in the overview page.');

  }

  /**

   * Deletes a field instance through the Field UI.

   *

   * @param $bundle_path

   *   Admin path of the bundle that the field instance is to be deleted from.

   * @param $field_name

   *   The name of the field.

   * @param $label

   *   The label of the field.

   * @param $bundle_label

   *   The label of the bundle.

   */

  function fieldUIDeleteField($bundle_path, $field_name, $label, $bundle_label) {

    // Display confirmation form.

    $this->drupalGet("$bundle_path/fields/$field_name/delete");

    $this->assertRaw(t('Are you sure you want to delete the field %label', array('%label' => $label)), 'Delete confirmation was found.');

    // Submit confirmation form.

    $this->drupalPost(NULL, array(), t('Delete'));

    $this->assertRaw(t('The field %label has been deleted from the %type content type.', array('%label' => $label, '%type' => $bundle_label)), 'Delete message was found.');

    // Check that the field does not appear in the overview form.

    $this->assertNoFieldByXPath('//table[@id="field-overview"]//span[@class="label-field"]', $label, 'Field does not appear in the overview page.');

  }

}

/**

 * Tests the functionality of the 'Manage fields' screen.

 */

class FieldUIManageFieldsTestCase extends FieldUITestCase {

  public static function getInfo() {

    return array(

      'name' => 'Manage fields',

      'description' => 'Test the Field UI "Manage fields" screen.',

      'group' => 'Field UI',

    );

  }

  function setUp() {

    parent::setUp();

    // Create random field name.

    $this->field_label = $this->randomName(8);

    $this->field_name_input =  strtolower($this->randomName(8));

    $this->field_name = 'field_'. $this->field_name_input;

  }

  /**

   * Runs the field CRUD tests.

   *

   * In order to act on the same fields, and not create the fields over and over

   * again the following tests create, update and delete the same fields.

   */

  function testCRUDFields() {

    $this->manageFieldsPage();

    $this->createField();

    $this->updateField();

    $this->addExistingField();

  }

  /**

   * Tests the manage fields page.

   */

  function manageFieldsPage() {

    $this->drupalGet('admin/structure/types/manage/' . $this->hyphen_type . '/fields');

    // Check all table columns.

    $table_headers = array(

      t('Label'),

      t('Machine name'),

      t('Field type'),

      t('Widget'),

      t('Operations'),

    );

    foreach ($table_headers as $table_header) {

      // We check that the label appear in the table headings.

      $this->assertRaw($table_header . '</th>', format_string('%table_header table header was found.', array('%table_header' => $table_header)));

    }

    // "Add new field" and "Add existing field" aren't a table heading so just

    // test the text.

    foreach (array('Add new field', 'Add existing field') as $element) {

      $this->assertText($element, format_string('"@element" was found.', array('@element' => $element)));

    }

  }

  /**

   * Tests adding a new field.

   *

   * @todo Assert properties can bet set in the form and read back in $field and

   * $instances.

   */

  function createField() {

    // Create a test field.

    $edit = array(

      'fields[_add_new_field][label]' => $this->field_label,

      'fields[_add_new_field][field_name]' => $this->field_name_input,

    );

    $this->fieldUIAddNewField('admin/structure/types/manage/' . $this->hyphen_type, $edit);

    // Assert the field appears in the "add existing field" section for

    // different entity types; e.g. if a field was added in a node entity, it

    // should also appear in the 'taxonomy term' entity.

    $vocabulary = taxonomy_vocabulary_load(1);

    $this->drupalGet('admin/structure/taxonomy/' . $vocabulary->machine_name . '/fields');

    $this->assertTrue($this->xpath('//select[@name="fields[_add_existing_field][field_name]"]//option[@value="' . $this->field_name . '"]'), 'Existing field was found in account settings.');

  }

  /**

   * Tests editing an existing field.

   */

  function updateField() {

    // Go to the field edit page.

    $this->drupalGet('admin/structure/types/manage/' . $this->hyphen_type . '/fields/' . $this->field_name);

    // Populate the field settings with new settings.

    $string = 'updated dummy test string';

    $edit = array(

      'field[settings][test_field_setting]' => $string,

      'instance[settings][test_instance_setting]' => $string,

      'instance[widget][settings][test_widget_setting]' => $string,

    );

    $this->drupalPost(NULL, $edit, t('Save settings'));

    // Assert the field settings are correct.

    $this->assertFieldSettings($this->type, $this->field_name, $string);

    // Assert redirection back to the "manage fields" page.

    $this->assertText(t('Saved @label configuration.', array('@label' => $this->field_label)), 'Redirected to "Manage fields" page.');

  }

  /**

   * Tests adding an existing field in another content type.

   */

  function addExistingField() {

    // Check "Add existing field" appears.

    $this->drupalGet('admin/structure/types/manage/page/fields');

    $this->assertRaw(t('Add existing field'), '"Add existing field" was found.');

    // Check that the list of options respects entity type restrictions on

    // fields. The 'comment' field is restricted to the 'comment' entity type

    // and should not appear in the list.

    $this->assertFalse($this->xpath('//select[@id="edit-add-existing-field-field-name"]//option[@value="comment"]'), 'The list of options respects entity type restrictions.');

    // Add a new field based on an existing field.

    $edit = array(

      'fields[_add_existing_field][label]' => $this->field_label . '_2',

      'fields[_add_existing_field][field_name]' => $this->field_name,

    );

    $this->fieldUIAddExistingField("admin/structure/types/manage/page", $edit);

  }

  /**

   * Asserts field settings are as expected.

   *

   * @param $bundle

   *   The bundle name for the instance.

   * @param $field_name

   *   The field name for the instance.

   * @param $string

   *   The settings text.

   * @param $entity_type

   *   The entity type for the instance.

   */

  function assertFieldSettings($bundle, $field_name, $string = 'dummy test string', $entity_type = 'node') {

    // Reset the fields info.

    field_info_cache_clear();

    // Assert field settings.

    $field = field_info_field($field_name);

    $this->assertTrue($field['settings']['test_field_setting'] == $string, 'Field settings were found.');

    // Assert instance and widget settings.

    $instance = field_info_instance($entity_type, $field_name, $bundle);

    $this->assertTrue($instance['settings']['test_instance_setting'] == $string, 'Field instance settings were found.');

    $this->assertTrue($instance['widget']['settings']['test_widget_setting'] == $string, 'Field widget settings were found.');

  }

  /**

   * Tests that default value is correctly validated and saved.

   */

  function testDefaultValue() {

    // Create a test field and instance.

    $field_name = 'test';

    $field = array(

      'field_name' => $field_name,

      'type' => 'test_field'

    );

    field_create_field($field);

    $instance = array(

      'field_name' => $field_name,

      'entity_type' => 'node',

      'bundle' => $this->type,

    );

    field_create_instance($instance);

    $langcode = LANGUAGE_NONE;

    $admin_path = 'admin/structure/types/manage/' . $this->hyphen_type . '/fields/' . $field_name;

    $element_id = "edit-$field_name-$langcode-0-value";

    $element_name = "{$field_name}[$langcode][0][value]";

    $this->drupalGet($admin_path);

    $this->assertFieldById($element_id, '', 'The default value widget was empty.');

    // Check that invalid default values are rejected.

    $edit = array($element_name => '-1');

    $this->drupalPost($admin_path, $edit, t('Save settings'));

    $this->assertText("$field_name does not accept the value -1", 'Form vaildation failed.');

    // Check that the default value is saved.

    $edit = array($element_name => '1');

    $this->drupalPost($admin_path, $edit, t('Save settings'));

    $this->assertText("Saved $field_name configuration", 'The form was successfully submitted.');

    $instance = field_info_instance('node', $field_name, $this->type);

    $this->assertEqual($instance['default_value'], array(array('value' => 1)), 'The default value was correctly saved.');

    // Check that the default value shows up in the form

    $this->drupalGet($admin_path);

    $this->assertFieldById($element_id, '1', 'The default value widget was displayed with the correct value.');

    // Check that the default value can be emptied.

    $edit = array($element_name => '');

    $this->drupalPost(NULL, $edit, t('Save settings'));

    $this->assertText("Saved $field_name configuration", 'The form was successfully submitted.');

    field_info_cache_clear();

    $instance = field_info_instance('node', $field_name, $this->type);

    $this->assertEqual($instance['default_value'], NULL, 'The default value was correctly saved.');

  }

  /**

   * Tests that deletion removes fields and instances as expected.

   */

  function testDeleteField() {

    // Create a new field.

    $bundle_path1 = 'admin/structure/types/manage/' . $this->hyphen_type;

    $edit1 = array(

      'fields[_add_new_field][label]' => $this->field_label,

      'fields[_add_new_field][field_name]' => $this->field_name_input,

    );

    $this->fieldUIAddNewField($bundle_path1, $edit1);

    // Create an additional node type.

    $type_name2 = strtolower($this->randomName(8)) . '_test';

    $type2 = $this->drupalCreateContentType(array('name' => $type_name2, 'type' => $type_name2));

    $type_name2 = $type2->type;

    $hyphen_type2 = str_replace('_', '-', $type_name2);

    // Add an instance to the second node type.

    $bundle_path2 = 'admin/structure/types/manage/' . $hyphen_type2;

    $edit2 = array(

      'fields[_add_existing_field][label]' => $this->field_label,

      'fields[_add_existing_field][field_name]' => $this->field_name,

    );

    $this->fieldUIAddExistingField($bundle_path2, $edit2);

    // Delete the first instance.

    $this->fieldUIDeleteField($bundle_path1, $this->field_name, $this->field_label, $this->type);

    // Reset the fields info.

    field_info_cache_clear();

    // Check that the field instance was deleted.

    $this->assertNull(field_info_instance('node', $this->field_name, $this->type), 'Field instance was deleted.');

    // Check that the field was not deleted

    $this->assertNotNull(field_info_field($this->field_name), 'Field was not deleted.');

    // Delete the second instance.

    $this->fieldUIDeleteField($bundle_path2, $this->field_name, $this->field_label, $type_name2);

    // Reset the fields info.

    field_info_cache_clear();

    // Check that the field instance was deleted.

    $this->assertNull(field_info_instance('node', $this->field_name, $type_name2), 'Field instance was deleted.');

    // Check that the field was deleted too.

    $this->assertNull(field_info_field($this->field_name), 'Field was deleted.');

  }

  /**

   * Tests that Field UI respects the 'no_ui' option in hook_field_info().

   */

  function testHiddenFields() {

    $bundle_path = 'admin/structure/types/manage/' . $this->hyphen_type . '/fields/';

    // Check that the field type is not available in the 'add new field' row.

    $this->drupalGet($bundle_path);

    $this->assertFalse($this->xpath('//select[@id="edit-add-new-field-type"]//option[@value="hidden_test_field"]'), "The 'add new field' select respects field types 'no_ui' property.");

    // Create a field and an instance programmatically.

    $field_name = 'hidden_test_field';

    field_create_field(array('field_name' => $field_name, 'type' => $field_name));

    $instance = array(

      'field_name' => $field_name,

      'bundle' => $this->type,

      'entity_type' => 'node',

      'label' => t('Hidden field'),

      'widget' => array('type' => 'test_field_widget'),

    );

    field_create_instance($instance);

    $this->assertTrue(field_read_instance('node', $field_name, $this->type), format_string('An instance of the field %field was created programmatically.', array('%field' => $field_name)));

    // Check that the newly added instance appears on the 'Manage Fields'

    // screen.

    $this->drupalGet($bundle_path);

    $this->assertFieldByXPath('//table[@id="field-overview"]//td[1]', $instance['label'], 'Field was created and appears in the overview page.');

    // Check that the instance does not appear in the 'add existing field' row

    // on other bundles.

    $bundle_path = 'admin/structure/types/manage/article/fields/';

    $this->drupalGet($bundle_path);

    $this->assertFalse($this->xpath('//select[@id="edit-add-existing-field-field-name"]//option[@value=:field_name]', array(':field_name' => $field_name)), "The 'add existing field' select respects field types 'no_ui' property.");

  }

  /**

   * Tests renaming a bundle.

   */

  function testRenameBundle() {

    $type2 = strtolower($this->randomName(8)) . '_' .'test';

    $hyphen_type2 = str_replace('_', '-', $type2);

    $options = array(

      'type' => $type2,

    );

    $this->drupalPost('admin/structure/types/manage/' . $this->hyphen_type, $options, t('Save content type'));

    $this->drupalGet('admin/structure/types/manage/' . $hyphen_type2 . '/fields');

  }

  /**

   * Tests that a duplicate field name is caught by validation.

   */

  function testDuplicateFieldName() {

    // field_tags already exists, so we're expecting an error when trying to

    // create a new field with the same name.

    $edit = array(

      'fields[_add_new_field][field_name]' => 'tags',

      'fields[_add_new_field][label]' => $this->randomName(),

      'fields[_add_new_field][type]' => 'taxonomy_term_reference',

      'fields[_add_new_field][widget_type]' => 'options_select',

    );

    $url = 'admin/structure/types/manage/' . $this->hyphen_type . '/fields';

    $this->drupalPost($url, $edit, t('Save'));

    $this->assertText(t('The machine-readable name is already in use. It must be unique.'));

    $this->assertUrl($url, array(), 'Stayed on the same page.');

  }

  /**

   * Tests that external URLs in the 'destinations' query parameter are blocked.

   */

  function testExternalDestinations() {

    $path = 'admin/structure/types/manage/article/fields/field_tags/field-settings';

    $options = array(

      'query' => array('destinations' => array('http://example.com')),

    );

    $this->drupalPost($path, NULL, t('Save field settings'), $options);

    $this->assertUrl('admin/structure/types/manage/article/fields', array(), 'Stayed on the same site.');

  }

}

/**

 * Tests the functionality of the 'Manage display' screens.

 */

class FieldUIManageDisplayTestCase extends FieldUITestCase {

  public static function getInfo() {

    return array(

      'name' => 'Manage display',

      'description' => 'Test the Field UI "Manage display" screens.',

      'group' => 'Field UI',

    );

  }

  function setUp() {

    parent::setUp(array('search'));

  }

  /**

   * Tests formatter settings.

   */

  function testFormatterUI() {

    $manage_fields = 'admin/structure/types/manage/' . $this->hyphen_type;

    $manage_display = $manage_fields . '/display';

    // Create a field, and a node with some data for the field.

    $edit = array(

      'fields[_add_new_field][label]' => 'Test field',

      'fields[_add_new_field][field_name]' => 'test',

    );

    $this->fieldUIAddNewField($manage_fields, $edit);

    // Clear the test-side cache and get the saved field instance.

    field_info_cache_clear();

    $instance = field_info_instance('node', 'field_test', $this->type);

    $format = $instance['display']['default']['type'];

    $default_settings = field_info_formatter_settings($format);

    $setting_name = key($default_settings);

    $setting_value = $instance['display']['default']['settings'][$setting_name];

    // Display the "Manage display" screen and check that the expected formatter is

    // selected.

    $this->drupalGet($manage_display);

    $this->assertFieldByName('fields[field_test][type]', $format, 'The expected formatter is selected.');

    $this->assertText("$setting_name: $setting_value", 'The expected summary is displayed.');

    // Change the formatter and check that the summary is updated.

    $edit = array('fields[field_test][type]' => 'field_test_multiple', 'refresh_rows' => 'field_test');

    $this->drupalPostAJAX(NULL, $edit, array('op' => t('Refresh')));

    $format = 'field_test_multiple';

    $default_settings = field_info_formatter_settings($format);

    $setting_name = key($default_settings);

    $setting_value = $default_settings[$setting_name];

    $this->assertFieldByName('fields[field_test][type]', $format, 'The expected formatter is selected.');

    $this->assertText("$setting_name: $setting_value", 'The expected summary is displayed.');

    // Submit the form and check that the instance is updated.

    $this->drupalPost(NULL, array(), t('Save'));

    field_info_cache_clear();

    $instance = field_info_instance('node', 'field_test', $this->type);

    $current_format = $instance['display']['default']['type'];

    $current_setting_value = $instance['display']['default']['settings'][$setting_name];

    $this->assertEqual($current_format, $format, 'The formatter was updated.');

    $this->assertEqual($current_setting_value, $setting_value, 'The setting was updated.');

  }

  /**

   * Tests switching view modes to use custom or 'default' settings'.

   */

  function testViewModeCustom() {

    // Create a field, and a node with some data for the field.

    $edit = array(

      'fields[_add_new_field][label]' => 'Test field',

      'fields[_add_new_field][field_name]' => 'test',

    );

    $this->fieldUIAddNewField('admin/structure/types/manage/' . $this->hyphen_type, $edit);

    // For this test, use a formatter setting value that is an integer unlikely

    // to appear in a rendered node other than as part of the field being tested

    // (for example, unlikely to be part of the "Submitted by ... on ..." line).

    $value = 12345;

    $settings = array(

      'type' => $this->type,

      'field_test' => array(LANGUAGE_NONE => array(array('value' => $value))),

    );

    $node = $this->drupalCreateNode($settings);

    // Gather expected output values with the various formatters.

    $formatters = field_info_formatter_types();

    $output = array(

      'field_test_default' => $formatters['field_test_default']['settings']['test_formatter_setting'] . '|' . $value,

      'field_test_with_prepare_view' => $formatters['field_test_with_prepare_view']['settings']['test_formatter_setting_additional'] . '|' . $value. '|' . ($value + 1),

    );

    // Check that the field is displayed with the default formatter in 'rss'

    // mode (uses 'default'), and hidden in 'teaser' mode (uses custom settings).

    $this->assertNodeViewText($node, 'rss', $output['field_test_default'], "The field is displayed as expected in view modes that use 'default' settings.");

    $this->assertNodeViewNoText($node, 'teaser', $value, "The field is hidden in view modes that use custom settings.");

    // Change fomatter for 'default' mode, check that the field is displayed

    // accordingly in 'rss' mode.

    $edit = array(

      'fields[field_test][type]' => 'field_test_with_prepare_view',

    );

    $this->drupalPost('admin/structure/types/manage/' . $this->hyphen_type . '/display', $edit, t('Save'));

    $this->assertNodeViewText($node, 'rss', $output['field_test_with_prepare_view'], "The field is displayed as expected in view modes that use 'default' settings.");

    // Specialize the 'rss' mode, check that the field is displayed the same.

    $edit = array(

      "view_modes_custom[rss]" => TRUE,

    );

    $this->drupalPost('admin/structure/types/manage/' . $this->hyphen_type . '/display', $edit, t('Save'));

    $this->assertNodeViewText($node, 'rss', $output['field_test_with_prepare_view'], "The field is displayed as expected in newly specialized 'rss' mode.");

    // Set the field to 'hidden' in the view mode, check that the field is

    // hidden.

    $edit = array(

      'fields[field_test][type]' => 'hidden',

    );

    $this->drupalPost('admin/structure/types/manage/' . $this->hyphen_type . '/display/rss', $edit, t('Save'));

    $this->assertNodeViewNoText($node, 'rss', $value, "The field is hidden in 'rss' mode.");

    // Set the view mode back to 'default', check that the field is displayed

    // accordingly.

    $edit = array(

      "view_modes_custom[rss]" => FALSE,

    );

    $this->drupalPost('admin/structure/types/manage/' . $this->hyphen_type . '/display', $edit, t('Save'));

    $this->assertNodeViewText($node, 'rss', $output['field_test_with_prepare_view'], "The field is displayed as expected when 'rss' mode is set back to 'default' settings.");

    // Specialize the view mode again.

    $edit = array(

      "view_modes_custom[rss]" => TRUE,

    );

    $this->drupalPost('admin/structure/types/manage/' . $this->hyphen_type . '/display', $edit, t('Save'));

    // Check that the previous settings for the view mode have been kept.

    $this->assertNodeViewNoText($node, 'rss', $value, "The previous settings are kept when 'rss' mode is specialized again.");

  }

  /**

   * Asserts that a string is found in the rendered node in a view mode.

   *

   * @param $node

   *   The node.

   * @param $view_mode

   *   The view mode in which the node should be displayed.

   * @param $text

   *   Plain text to look for.

   * @param $message

   *   Message to display.

   *

   * @return

   *   TRUE on pass, FALSE on fail.

   */

  function assertNodeViewText($node, $view_mode, $text, $message) {

    return $this->assertNodeViewTextHelper($node, $view_mode, $text, $message, FALSE);

  }

  /**

   * Asserts that a string is not found in the rendered node in a view mode.

   *

   * @param $node

   *   The node.

   * @param $view_mode

   *   The view mode in which the node should be displayed.

   * @param $text

   *   Plain text to look for.

   * @param $message

   *   Message to display.

   * @return

   *   TRUE on pass, FALSE on fail.

   */

  function assertNodeViewNoText($node, $view_mode, $text, $message) {

    return $this->assertNodeViewTextHelper($node, $view_mode, $text, $message, TRUE);

  }

  /**

   * Asserts that a string is (not) found in the rendered nodein a view mode.

   *

   * This helper function is used by assertNodeViewText() and

   * assertNodeViewNoText().

   *

   * @param $node

   *   The node.

   * @param $view_mode

   *   The view mode in which the node should be displayed.

   * @param $text

   *   Plain text to look for.

   * @param $message

   *   Message to display.

   * @param $not_exists

   *   TRUE if this text should not exist, FALSE if it should.

   *

   * @return

   *   TRUE on pass, FALSE on fail.

   */

  function assertNodeViewTextHelper($node, $view_mode, $text, $message, $not_exists) {

    // Make sure caches on the tester side are refreshed after changes

    // submitted on the tested side.

    field_info_cache_clear();

    // Save current content so that we can restore it when we're done.

    $old_content = $this->drupalGetContent();

    // Render a cloned node, so that we do not alter the original.

    $clone = clone $node;

    $element = node_view($clone, $view_mode);

    $output = drupal_render($element);

    $this->verbose(t('Rendered node - view mode: @view_mode', array('@view_mode' => $view_mode)) . '<hr />'. $output);

    // Assign content so that DrupalWebTestCase functions can be used.

    $this->drupalSetContent($output);

    $method = ($not_exists ? 'assertNoText' : 'assertText');

    $return = $this->{$method}((string) $text, $message);

    // Restore previous content.

    $this->drupalSetContent($old_content);

    return $return;

  }

}

/**

 * Tests custom widget hooks and callbacks on the field administration pages.

 */

class FieldUIAlterTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Widget customization',

      'description' => 'Test custom field widget hooks and callbacks on field administration pages.',

      'group' => 'Field UI',

    );

  }

  function setUp() {

    parent::setUp(array('field_test'));

    // Create test user.

    $admin_user = $this->drupalCreateUser(array('access content', 'administer content types', 'administer users', 'administer fields'));

    $this->drupalLogin($admin_user);

  }

  /**

   * Tests hook_field_widget_properties_alter() on the default field widget.

   *

   * @see field_test_field_widget_properties_alter()

   * @see field_test_field_widget_properties_user_alter()

   * @see field_test_field_widget_form_alter()

   */

  function testDefaultWidgetPropertiesAlter() {

    // Create the alter_test_text field and an instance on article nodes.

    field_create_field(array(

      'field_name' => 'alter_test_text',

      'type' => 'text',

    ));

    field_create_instance(array(

      'field_name' => 'alter_test_text',

      'entity_type' => 'node',

      'bundle' => 'article',

      'widget' => array(

        'type' => 'text_textfield',

        'size' => 60,

      ),

    ));

    // Test that field_test_field_widget_properties_alter() sets the size to

    // 42 and that field_test_field_widget_form_alter() reports the correct

    // size when the form is displayed.

    $this->drupalGet('admin/structure/types/manage/article/fields/alter_test_text');

    $this->assertText('Field size: 42', 'Altered field size is found in hook_field_widget_form_alter().');

    // Create the alter_test_options field.

    field_create_field(array(

      'field_name' => 'alter_test_options',

      'type' => 'list_text'

    ));

    // Create instances on users and page nodes.

    field_create_instance(array(

      'field_name' => 'alter_test_options',

      'entity_type' => 'user',

      'bundle' => 'user',

      'widget' => array(

        'type' => 'options_select',

      )

    ));

    field_create_instance(array(

      'field_name' => 'alter_test_options',

      'entity_type' => 'node',

      'bundle' => 'page',

      'widget' => array(

        'type' => 'options_select',

      )

    ));

    // Test that field_test_field_widget_properties_user_alter() replaces

    // the widget and that field_test_field_widget_form_alter() reports the

    // correct widget name when the form is displayed.

    $this->drupalGet('admin/config/people/accounts/fields/alter_test_options');

    $this->assertText('Widget type: options_buttons', 'Widget type is altered for users in hook_field_widget_form_alter().');

    // Test that the widget is not altered on page nodes.

    $this->drupalGet('admin/structure/types/manage/page/fields/alter_test_options');

    $this->assertText('Widget type: options_select', 'Widget type is not altered for pages in hook_field_widget_form_alter().');

  }

}