function DrupalHTMLIdentifierTestCase::testDrupalHTMLId in Drupal 7

Tests that drupal_html_id() cleans the ID properly.

File

modules/simpletest/tests/common.test, line 1020

Tests for common.inc functionality.

Class

DrupalHTMLIdentifierTestCase

Test for cleaning HTML identifiers.

Code

function testDrupalHTMLId() {

  // Verify that letters, digits, and hyphens are not stripped from the ID.
  $id = 'abcdefghijklmnopqrstuvwxyz-0123456789';
  $this
    ->assertIdentical(drupal_html_id($id), $id, 'Verify valid characters pass through.');

  // Verify that invalid characters are stripped from the ID.
  $this
    ->assertIdentical(drupal_html_id('invalid,./:@\\^`{Üidentifier'), 'invalididentifier', 'Strip invalid characters.');

  // Verify Drupal coding standards are enforced.
  $this
    ->assertIdentical(drupal_html_id('ID NAME_[1]'), 'id-name-1', 'Enforce Drupal coding standards.');

  // Reset the static cache so we can ensure the unique id count is at zero.
  drupal_static_reset('drupal_html_id');

  // Clean up IDs with invalid starting characters.
  $this
    ->assertIdentical(drupal_html_id('test-unique-id'), 'test-unique-id', 'Test the uniqueness of IDs #1.');
  $this
    ->assertIdentical(drupal_html_id('test-unique-id'), 'test-unique-id--2', 'Test the uniqueness of IDs #2.');
  $this
    ->assertIdentical(drupal_html_id('test-unique-id'), 'test-unique-id--3', 'Test the uniqueness of IDs #3.');
}