/**
* Tests the get_json methods in tree (which are mainly for use in testing
* but might be used elsewhere).
*/
public function test_get_json()
{
// Create a simple child object (fake).
$child = (object) array('type' => 'fake');
$childstr = json_encode($child);
// Minimal case.
$this->assertEquals((object) array('op' => '&', 'c' => array()), tree::get_nested_json(array()));
// Children and different operator.
$this->assertEquals((object) array('op' => '|', 'c' => array($child, $child)), tree::get_nested_json(array($child, $child), tree::OP_OR));
// Root empty.
$this->assertEquals('{"op":"&","c":[],"showc":[]}', json_encode(tree::get_root_json(array(), tree::OP_AND)));
// Root with children (multi-show operator).
$this->assertEquals('{"op":"&","c":[' . $childstr . ',' . $childstr . '],"showc":[true,true]}', json_encode(tree::get_root_json(array($child, $child), tree::OP_AND)));
// Root with children (single-show operator).
$this->assertEquals('{"op":"|","c":[' . $childstr . ',' . $childstr . '],"show":true}', json_encode(tree::get_root_json(array($child, $child), tree::OP_OR)));
// Root with children (specified show boolean).
$this->assertEquals('{"op":"&","c":[' . $childstr . ',' . $childstr . '],"showc":[false,false]}', json_encode(tree::get_root_json(array($child, $child), tree::OP_AND, false)));
// Root with children (specified show array).
$this->assertEquals('{"op":"&","c":[' . $childstr . ',' . $childstr . '],"showc":[true,false]}', json_encode(tree::get_root_json(array($child, $child), tree::OP_AND, array(true, false))));
}
/**
* Tests the update_all_dates function.
*/
public function test_update_all_dates()
{
global $DB;
$this->resetAfterTest();
// Create a course with 3 pages.
$generator = $this->getDataGenerator();
$course = $generator->create_course();
$rec = array('course' => $course);
$page1 = $generator->get_plugin_generator('mod_page')->create_instance($rec);
$page2 = $generator->get_plugin_generator('mod_page')->create_instance($rec);
$page3 = $generator->get_plugin_generator('mod_page')->create_instance($rec);
// Set the availability page 2 to a simple date condition. You can access
// it from 1337 onwards.
$simplecondition = tree::get_root_json(array(condition::get_json(condition::DIRECTION_FROM, 1337)));
$DB->set_field('course_modules', 'availability', json_encode($simplecondition), array('id' => $page2->cmid));
// Set page 3 to a complex set of conditions including a nested date condition.
// You can access it until 1459, *or* after 2810 if you belong to a group.
$complexcondition = tree::get_root_json(array(condition::get_json(condition::DIRECTION_UNTIL, 1459), tree::get_nested_json(array(condition::get_json(condition::DIRECTION_FROM, 2810), \availability_group\condition::get_json()))), tree::OP_OR);
$DB->set_field('course_modules', 'availability', json_encode($complexcondition), array('id' => $page3->cmid));
// Now use the update_all_dates function to move date forward 100000.
condition::update_all_dates($course->id, 100000);
// Get the expected conditions after adjusting time, and compare to database.
$simplecondition->c[0]->t = 101337;
$complexcondition->c[0]->t = 101459;
$complexcondition->c[1]->c[0]->t = 102810;
$this->assertEquals($simplecondition, json_decode($DB->get_field('course_modules', 'availability', array('id' => $page2->cmid))));
$this->assertEquals($complexcondition, json_decode($DB->get_field('course_modules', 'availability', array('id' => $page3->cmid))));
// The one without availability conditions should still be null.
$this->assertNull($DB->get_field('course_modules', 'availability', array('id' => $page1->cmid)));
}
