public function test_course_completion()
{
global $DB;
$this->resetAfterTest();
// Enable avaibility.
// If not enabled all conditional fields will be ignored.
set_config('enableavailability', 1);
// Enable course completion.
// If not enabled all completion settings will be ignored.
set_config('enablecompletion', COMPLETION_ENABLED);
$generator = $this->getDataGenerator();
// Create course with completion tracking enabled.
$course = $generator->create_course(['enablecompletion' => 1, 'numsections' => 3], ['createsections' => true]);
// Enrol user to completion tracking course.
$sturole = $DB->get_record('role', array('shortname' => 'student'));
$generator->enrol_user($this->user1->id, $course->id, $sturole->id);
// Create page with completion marked on view.
$page1 = $generator->create_module('page', array('course' => $course->id, 'name' => 'page1 complete on view'), array('completion' => 2, 'completionview' => 1));
$modinfo = get_fast_modinfo($course);
$page1cm = $modinfo->get_cm($page1->cmid);
// Create page restricted to only show when first page is viewed.
$moduleinfo = (object) [];
$moduleinfo->course = $course->id;
$moduleinfo->name = 'page2 available after page1 viewed';
$moduleinfo->availability = json_encode(\core_availability\tree::get_root_json([\availability_completion\condition::get_json($page1->cmid, COMPLETION_COMPLETE)], '&'));
$page2 = $generator->create_module('page', $moduleinfo);
// Make section 2 restricted to only show when first page is viewed.
$section = $modinfo->get_section_info(2);
$sectionupdate = ['id' => $section->id, 'availability' => json_encode(\core_availability\tree::get_root_json([\availability_completion\condition::get_json($page1->cmid, COMPLETION_COMPLETE)], '&'))];
$DB->update_record('course_sections', $sectionupdate);
// Check user1 has expected unavailable section and mod.
$this->setUser($this->user1);
// Dump cache and reget modinfo.
get_fast_modinfo($course, 0, true);
$modinfo = get_fast_modinfo($course);
$page2cm = $modinfo->get_cm($page2->cmid);
list($previouslyunavailablesections, $previouslyunavailablemods) = local::conditionally_unavailable_elements($course);
$this->assertContains(2, $previouslyunavailablesections);
$this->assertContains($page2cm->id, $previouslyunavailablemods);
// View page1 to trigger completion
$context = context_module::instance($page1->cmid);
page_view($page1, $course, $page1cm, $context);
$completion = new completion_info($course);
$completiondata = $completion->get_data($page1cm);
$this->assertEquals(COMPLETION_COMPLETE, $completiondata->completionstate);
get_fast_modinfo($course, 0, true);
// Reset modinfo.
// Make sure that unavailable sections and mods no longer contain the ones requiring availabililty criteria
// satisfying.
list($unavailablesections, $unavailablemods) = local::conditionally_unavailable_elements($course);
$this->assertNotContains($page2cm->id, $unavailablemods);
$this->assertNotContains(2, $unavailablesections);
$result = $this->courseservice->course_completion($course->shortname, $previouslyunavailablesections, $previouslyunavailablemods);
// Make sure that the second page module (which is now newly available) appears in the list of newly available
// module html.
$this->assertTrue(isset($result['newlyavailablemodhtml'][$page2->cmid]));
// Make sure that the second section (which is now wnely available) appears in the list of newly available
// section html.
$this->assertTrue(isset($result['newlyavailablesectionhtml'][2]));
}
