/** * Test page_diff_viewed event. */ public function test_page_diff_viewed() { // There is no proper API to call or trigger this event, so simulating event // to check if event returns the right information. $this->setUp(); $page = $this->wikigenerator->create_first_page($this->wiki); $context = context_module::instance($this->wiki->cmid); $params = array('context' => $context, 'objectid' => $page->id, 'other' => array('comparewith' => 1, 'compare' => 2)); $event = \mod_wiki\event\page_diff_viewed::create($params); // Triggering and capturing the event. $sink = $this->redirectEvents(); $event->trigger(); $events = $sink->get_events(); $this->assertCount(1, $events); $event = reset($events); // Checking that the event contains the expected values. $this->assertInstanceOf('\\mod_wiki\\event\\page_diff_viewed', $event); $this->assertEquals($context, $event->get_context()); $this->assertEquals($page->id, $event->objectid); $expected = array($this->course->id, 'wiki', 'diff', 'diff.php?pageid=' . $page->id . '&comparewith=' . 1 . '&compare=' . 2, $page->id, $this->wiki->cmid); $this->assertEventLegacyLogData($expected, $event); $this->assertEventContextNotUsed($event); }
$pageid = required_param('pageid', PARAM_TEXT); $compare = required_param('compare', PARAM_INT); $comparewith = required_param('comparewith', PARAM_INT); if (!($page = wiki_get_page($pageid))) { print_error('incorrectpageid', 'wiki'); } if (!($subwiki = wiki_get_subwiki($page->subwikiid))) { print_error('incorrectsubwikiid', 'wiki'); } if (!($wiki = wiki_get_wiki($subwiki->wikiid))) { print_error('incorrectwikiid', 'wiki'); } if (!($cm = get_coursemodule_from_instance('wiki', $wiki->id))) { print_error('invalidcoursemodule'); } $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); if ($compare >= $comparewith) { print_error("A page version can only be compared with an older version."); } require_login($course, true, $cm); $wikipage = new page_wiki_diff($wiki, $subwiki, $cm); $wikipage->set_page($page); $wikipage->set_comparison($compare, $comparewith); $event = \mod_wiki\event\page_diff_viewed::create(array('context' => context_module::instance($cm->id), 'objectid' => $pageid, 'other' => array('comparewith' => $comparewith, 'compare' => $compare))); $event->add_record_snapshot('wiki_pages', $page); $event->add_record_snapshot('wiki', $wiki); $event->add_record_snapshot('wiki_subwikis', $subwiki); $event->trigger(); $wikipage->print_header(); $wikipage->print_content(); $wikipage->print_footer();