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Differences Between: [Versions 310 and 401] [Versions 39 and 401]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Unit tests.
  19   *
  20   * @package filter_activitynames
  21   * @category test
  22   * @copyright 2018 The Open University
  23   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  namespace filter_activitynames;
  27  
  28  /**
  29   * Test case for the activity names auto-linking filter.
  30   *
  31   * @copyright 2018 The Open University
  32   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  33   */
  34  class filter_test extends \advanced_testcase {
  35  
  36      public function test_links() {
  37          $this->resetAfterTest(true);
  38  
  39          // Create a test course.
  40          $course = $this->getDataGenerator()->create_course();
  41          $context = \context_course::instance($course->id);
  42  
  43          // Create two pages that will be linked to.
  44          $page1 = $this->getDataGenerator()->create_module('page',
  45                  ['course' => $course->id, 'name' => 'Test 1']);
  46          $page2 = $this->getDataGenerator()->create_module('page',
  47                  ['course' => $course->id, 'name' => 'Test (2)']);
  48  
  49          // Format text with all three entries in HTML.
  50          $html = '<p>Please read the two pages Test 1 and <i>Test (2)</i>.</p>';
  51          $filtered = format_text($html, FORMAT_HTML, array('context' => $context));
  52  
  53          // Find all the glossary links in the result.
  54          $matches = [];
  55          preg_match_all('~<a class="autolink" title="([^"]*)" href="[^"]*/mod/page/view.php\?id=([0-9]+)">([^<]*)</a>~',
  56                  $filtered, $matches);
  57  
  58          // There should be 2 links links.
  59          $this->assertCount(2, $matches[1]);
  60  
  61          // Check text of title attribute.
  62          $this->assertEquals($page1->name, $matches[1][0]);
  63          $this->assertEquals($page2->name, $matches[1][1]);
  64  
  65          // Check the ids in the links.
  66          $this->assertEquals($page1->cmid, $matches[2][0]);
  67          $this->assertEquals($page2->cmid, $matches[2][1]);
  68  
  69          // Check the link text.
  70          $this->assertEquals($page1->name, $matches[3][0]);
  71          $this->assertEquals($page2->name, $matches[3][1]);
  72      }
  73  
  74      public function test_links_activity_named_hyphen() {
  75          $this->resetAfterTest(true);
  76  
  77          // Create a test course.
  78          $course = $this->getDataGenerator()->create_course();
  79          $context = \context_course::instance($course->id);
  80  
  81          // Work around an issue with the activity names filter which maintains a static cache
  82          // of activities for current course ID. We can re-build the cache by switching user.
  83          $this->setUser($this->getDataGenerator()->create_user());
  84  
  85          // Create a page activity named '-' (single hyphen).
  86          $page = $this->getDataGenerator()->create_module('page', ['course' => $course->id, 'name' => '-']);
  87  
  88          $html = '<p>Please read the - page.</p>';
  89          $filtered = format_text($html, FORMAT_HTML, array('context' => $context));
  90  
  91          // Find the page link in the filtered html.
  92          preg_match_all('~<a class="autolink" title="([^"]*)" href="[^"]*/mod/page/view.php\?id=([0-9]+)">([^<]*)</a>~',
  93              $filtered, $matches);
  94  
  95          // We should have exactly one match.
  96          $this->assertCount(1, $matches[1]);
  97  
  98          $this->assertEquals($page->name, $matches[1][0]);
  99          $this->assertEquals($page->cmid, $matches[2][0]);
 100          $this->assertEquals($page->name, $matches[3][0]);
 101      }
 102  
 103      public function test_cache() {
 104          $this->resetAfterTest(true);
 105  
 106          // Create a test courses.
 107          $course1 = $this->getDataGenerator()->create_course();
 108          $course2 = $this->getDataGenerator()->create_course();
 109          $context1 = \context_course::instance($course1->id);
 110          $context2 = \context_course::instance($course2->id);
 111  
 112          // Create page 1.
 113          $page1 = $this->getDataGenerator()->create_module('page',
 114              ['course' => $course1->id, 'name' => 'Test 1']);
 115          // Format text with page 1 in HTML.
 116          $html = '<p>Please read the two pages Test 1 and Test 2.</p>';
 117          $filtered1 = format_text($html, FORMAT_HTML, array('context' => $context1));
 118          // Find all the activity links in the result.
 119          $matches = [];
 120          preg_match_all('~<a class="autolink" title="([^"]*)" href="[^"]*/mod/page/view.php\?id=([0-9]+)">([^<]*)</a>~',
 121              $filtered1, $matches);
 122          // There should be 1 link.
 123          $this->assertCount(1, $matches[1]);
 124          $this->assertEquals($page1->name, $matches[1][0]);
 125  
 126          // Create page 2.
 127          $page2 = $this->getDataGenerator()->create_module('page',
 128          ['course' => $course1->id, 'name' => 'Test 2']);
 129          // Filter the text again.
 130          $filtered2 = format_text($html, FORMAT_HTML, array('context' => $context1));
 131          // The filter result does not change due to caching.
 132          $this->assertEquals($filtered1, $filtered2);
 133  
 134          // Change context, so that cache for course 1 is cleared.
 135          $filtered3 = format_text($html, FORMAT_HTML, array('context' => $context2));
 136          $this->assertNotEquals($filtered1, $filtered3);
 137          $matches = [];
 138          preg_match_all('~<a class="autolink" title="([^"]*)" href="[^"]*/mod/page/view.php\?id=([0-9]+)">([^<]*)</a>~',
 139              $filtered3, $matches);
 140          // There should be no links.
 141          $this->assertCount(0, $matches[1]);
 142  
 143          // Filter the text for course 1.
 144          $filtered4 = format_text($html, FORMAT_HTML, array('context' => $context1));
 145          // Find all the activity links in the result.
 146          $matches = [];
 147          preg_match_all('~<a class="autolink" title="([^"]*)" href="[^"]*/mod/page/view.php\?id=([0-9]+)">([^<]*)</a>~',
 148              $filtered4, $matches);
 149          // There should be 2 links.
 150          $this->assertCount(2, $matches[1]);
 151          $this->assertEquals($page1->name, $matches[1][0]);
 152          $this->assertEquals($page2->name, $matches[1][1]);
 153      }
 154  }