Club Drupal

<?php

/**

 * @file

 * Definition of ViewsCacheTest.

 */

/**

 * Basic test for pluggable caching.

 *

 * @see views_plugin_cache

 */

class ViewsCacheTest extends ViewsSqlTest {

  public static function getInfo() {

    return array(

      'name' => 'Cache',

      'description' => 'Tests pluggable caching for views.',

      'group' => 'Views Plugins'

    );

  }

  /**

   * Build and return a basic view of the views_test table.

   *

   * @return view

   */

  protected function getBasicView() {

    views_include('view');

    // Create the basic view.

    $view = new view();

    $view->name = 'test_view';

    $view->add_display('default');

    $view->base_table = 'views_test';

    // Set up the fields we need.

    $display = $view->new_display('default', 'Master', 'default');

    $display->override_option('fields', array(

      'id' => array(

        'id' => 'id',

        'table' => 'views_test',

        'field' => 'id',

        'relationship' => 'none',

      ),

      'name' => array(

        'id' => 'name',

        'table' => 'views_test',

        'field' => 'name',

        'relationship' => 'none',

      ),

      'age' => array(

        'id' => 'age',

        'table' => 'views_test',

        'field' => 'age',

        'relationship' => 'none',

      ),

    ));

    // Set up the sort order.

    $display->override_option('sorts', array(

      'id' => array(

        'order' => 'ASC',

        'id' => 'id',

        'table' => 'views_test',

        'field' => 'id',

        'relationship' => 'none',

      ),

    ));

    return $view;

  }

  /**

   * Tests time based caching.

   *

   * @see views_plugin_cache_time

   */

  function testTimeCaching() {

    // Create a basic result which just 2 results.

    $view = $this->getBasicView();

    $view->set_display();

    $view->display_handler->override_option('cache', array(

      'type' => 'time',

      'results_lifespan' => '3600',

      'output_lifespan' => '3600',

    ));

    $this->executeView($view);

    // Verify the result.

    $this->assertEqual(5, count($view->result), t('The number of returned rows match.'));

    // Add another man to the beatles.

    $record = array(

      'name' => 'Rod Davis',

      'age' => 29,

      'job' => 'Banjo',

    );

    drupal_write_record('views_test', $record);

    // The Result should be the same as before, because of the caching.

    $view = $this->getBasicView();

    $view->set_display();

    $view->display_handler->override_option('cache', array(

      'type' => 'time',

      'results_lifespan' => '3600',

      'output_lifespan' => '3600',

    ));

    $this->executeView($view);

    // Verify the result.

    $this->assertEqual(5, count($view->result), t('The number of returned rows match.'));

  }

  /**

   * Tests no caching.

   *

   * @see views_plugin_cache_time

   */

  function testNoneCaching() {

    // Create a basic result which just 2 results.

    $view = $this->getBasicView();

    $view->set_display();

    $view->display_handler->override_option('cache', array(

      'type' => 'none',

    ));

    $this->executeView($view);

    // Verify the result.

    $this->assertEqual(5, count($view->result), t('The number of returned rows match.'));

    // Add another man to the beatles.

    $record = array(

      'name' => 'Rod Davis',

      'age' => 29,

      'job' => 'Banjo',

    );

    drupal_write_record('views_test', $record);

    // The Result changes, because the view is not cached.

    $view = $this->getBasicView();

    $view->set_display();

    $view->display_handler->override_option('cache', array(

      'type' => 'none',

    ));

    $this->executeView($view);

    // Verify the result.

    $this->assertEqual(6, count($view->result), t('The number of returned rows match.'));

  }

  /**

   * Tests css/js storage and restoring mechanism.

   */

  function testHeaderStorage() {

    // Create a view with output caching enabled.

    // Some hook_views_pre_render in views_test.module adds the test css/js file.

    // so they should be added to the css/js storage.

    $view = $this->getBasicView();

    $view->init_display();

    $view->name = 'test_cache_header_storage';

    $view->display_handler->override_option('cache', array(

      'type' => 'time',

      'output_lifespan' => '3600',

    ));

    $view->preview();

    $view->destroy();

    unset($view->pre_render_called);

    drupal_static_reset('drupal_add_css');

    drupal_static_reset('drupal_add_js');

    $view->init_display();

    $view->preview();

    $css = drupal_add_css();

    $css_path = drupal_get_path('module', 'views_test') . '/views_cache.test.css';

    $js_path = drupal_get_path('module', 'views_test') . '/views_cache.test.js';

    $js = drupal_add_js();

    $this->assertTrue(isset($css[$css_path]), 'Make sure the css is added for cached views.');

    $this->assertTrue(isset($js[$js_path]), 'Make sure the js is added for cached views.');

    $this->assertFalse(!empty($view->pre_render_called), 'Make sure hook_views_pre_render is not called for the cached view.');

    $view->destroy();

    // Now add some css/jss before running the view.

    // Make sure that this css is not added when running the cached view.

    $view->name = 'test_cache_header_storage_2';

    $system_css_path = drupal_get_path('module', 'system') . '/system.maintenance.css';

    drupal_add_css($system_css_path);

    $system_js_path = drupal_get_path('module', 'system') . '/system.cron.js';

    drupal_add_js($system_js_path);

    $view->init_display();

    $view->preview();

    $view->destroy();

    drupal_static_reset('drupal_add_css');

    drupal_static_reset('drupal_add_js');

    $view->init_display();

    $view->preview();

    $css = drupal_add_css();

    $js = drupal_add_js();

    $this->assertFalse(isset($css[$system_css_path]), 'Make sure that unrelated css is not added.');

    $this->assertFalse(isset($js[$system_js_path]), 'Make sure that unrelated js is not added.');

  }

  /**

   * Check that HTTP headers are cached for views.

   */

  function testHttpHeadersCaching() {

    // Create a few nodes to appear in RSS feed.

    for ($i = 0; $i < 5; $i++) {

      $this->drupalCreateNode();

    }

    // Make the first request and check returned content type.

    $this->drupalGet('test_feed_http_headers_caching');

    $first_content = $this->drupalGetContent();

    $first_content_type = $this->drupalGetHeader('content-type');

    $expected_type = 'application/rss+xml';

    $this->assertIdentical(0, strpos(trim($first_content_type), $expected_type), t('Expected content type returned.'));

    // Check that we have 5 items in RSS feed returned by the first request.

    $xml = simplexml_load_string($first_content);

    $items = $xml->xpath('/rss/channel/item');

    $this->assertEqual(5, count($items), t('The number of RSS feed items matched.'));

    // Create another node to be sure we get cached results on the second

    // request.

    $this->drupalCreateNode();

    // Make the second request, check content type and content matching.

    $this->drupalGet('test_feed_http_headers_caching');

    $second_content = $this->drupalGetContent();

    $this->assertEqual($first_content, $second_content, t('The second result fetched from cache.'));

    $second_content_type = $this->drupalGetHeader('content-type');

    $this->assertEqual($first_content_type, $second_content_type, t('Content types of responses are equal.'));

  }

  /**

   * Test caching of different exposed filter values with the same view result.

   *

   * Make sure the output is different.

   */

  function testExposedFilterSameResultsCaching() {

    // Create the view with time-based cache with hour lifetimes and add exposed

    // filter to it with "Starts with" operator.

    $view = $this->getBasicView();

    $view->set_display();

    $view->display_handler->override_option('cache', array(

      'type' => 'time',

      'results_lifespan' => '3600',

      'output_lifespan' => '3600',

    ));

    $view->display_handler->override_option('filters', array(

      'name' => array(

        'id' => 'name',

        'table' => 'views_test',

        'field' => 'name',

        'relationship' => 'none',

        'operator' => 'starts',

        'exposed' => TRUE,

        'expose' => array(

          'operator_id' => 'name_op',

          'operator' => 'name_op',

          'identifier' => 'name',

        ),

      ),

    ));

    // Clone the view before setting exposed input.

    $clone = $view->copy();

    // Pass "Rin" to the exposed filter and check that only one row returned.

    $view->set_exposed_input(array(

      'name' => 'Rin',

    ));

    $this->executeView($view);

    $first_result = $view->result;

    $first_output = $view->render();

    $this->assertEqual(1, count($first_result), t('The number of rows returned by the first view match.'));

    // Pass full "Ringo" to the exposed filter at the second time and make sure

    // results are the same.

    $clone->set_exposed_input(array(

      'name' => 'Ringo',

    ));

    $this->executeView($clone);

    $second_result = $clone->result;

    $second_output = $clone->render();

    $this->assertEqual($first_result, $second_result, t('Results of both views are the same.'));

    // Check that output is not the same and it contains full "Ringo" word in

    // default value of exposed input.

    $this->assertNotEqual($first_output, $second_output, t('Output of the second view is different.'));

    $this->drupalSetContent($second_output);

    $element = $this->xpath('//input[@name="name" and @value="Ringo"]');

    $this->assertTrue(!empty($element), t('Input field of exposed filter has the second value.'));

    $view->destroy();

    $clone->destroy();

  }

}