function DrupalAlterTestCase::testDrupalAlter

File

modules/simpletest/tests/common.test, line 24

Class

DrupalAlterTestCase

Tests for URL generation functions.

Code

function testDrupalAlter() {
    // This test depends on Bartik, so make sure that it is always the current
    // active theme.
    global $theme, $base_theme_info;
    $theme = 'bartik';
    $base_theme_info = array();
    $array = array(
        'foo' => 'bar',
    );
    $entity = new stdClass();
    $entity->foo = 'bar';
    // Verify alteration of a single argument.
    $array_copy = $array;
    $array_expected = array(
        'foo' => 'Drupal theme',
    );
    drupal_alter('drupal_alter', $array_copy);
    $this->assertEqual($array_copy, $array_expected, 'Single array was altered.');
    $entity_copy = clone $entity;
    $entity_expected = clone $entity;
    $entity_expected->foo = 'Drupal theme';
    drupal_alter('drupal_alter', $entity_copy);
    $this->assertEqual($entity_copy, $entity_expected, 'Single object was altered.');
    // Verify alteration of multiple arguments.
    $array_copy = $array;
    $array_expected = array(
        'foo' => 'Drupal theme',
    );
    $entity_copy = clone $entity;
    $entity_expected = clone $entity;
    $entity_expected->foo = 'Drupal theme';
    $array2_copy = $array;
    $array2_expected = array(
        'foo' => 'Drupal theme',
    );
    drupal_alter('drupal_alter', $array_copy, $entity_copy, $array2_copy);
    $this->assertEqual($array_copy, $array_expected, 'First argument to drupal_alter() was altered.');
    $this->assertEqual($entity_copy, $entity_expected, 'Second argument to drupal_alter() was altered.');
    $this->assertEqual($array2_copy, $array2_expected, 'Third argument to drupal_alter() was altered.');
    // Verify alteration order when passing an array of types to drupal_alter().
    // common_test_module_implements_alter() places 'block' implementation after
    // other modules.
    $array_copy = $array;
    $array_expected = array(
        'foo' => 'Drupal block theme',
    );
    drupal_alter(array(
        'drupal_alter',
        'drupal_alter_foo',
    ), $array_copy);
    $this->assertEqual($array_copy, $array_expected, 'hook_TYPE_alter() implementations ran in correct order.');
}