moodle/lib/tests/eventslib_test.php
David Monllao 20ff2fba25 MDL-48621 events: Adapting unit tests to debugging messages
- A new assertDebuggingCalledCount has been introduced, as multiple debugging messages
  may be called in some cases, for example when calling events_cron with queued events
  that need to be dispatched.
- events_update_definition has been moved out of setUp as debugging messages are only
  caught by our phpunit custom stuff when they are called inside tests.
2016-01-19 15:19:10 +08:00

304 lines
12 KiB
PHP

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Tests events subsystem.
*
* @package core_event
* @subpackage phpunit
* @copyright 2007 onwards Martin Dougiamas (http://dougiamas.com)
* @author Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
class core_eventslib_testcase extends advanced_testcase {
const DEBUGGING_MSG = 'Events API using $handlers array has been deprecated in favour of Events 2 API, please use it instead.';
/**
* Create temporary entries in the database for these tests.
* These tests have to work no matter the data currently in the database
* (meaning they should run on a brand new site). This means several items of
* data have to be artificially inseminated (:-) in the DB.
*/
protected function setUp() {
parent::setUp();
// Set global category settings to -1 (not force).
eventslib_sample_function_handler('reset');
eventslib_sample_handler_class::static_method('reset');
$this->resetAfterTest();
}
/**
* Tests the installation of event handlers from file
*/
public function test_events_update_definition__install() {
global $DB;
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$dbcount = $DB->count_records('events_handlers', array('component'=>'unittest'));
$handlers = array();
require(__DIR__.'/fixtures/events.php');
$this->assertCount($dbcount, $handlers, 'Equal number of handlers in file and db: %s');
}
/**
* Tests the uninstallation of event handlers from file.
*/
public function test_events_update_definition__uninstall() {
global $DB;
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
events_uninstall('unittest');
$this->assertEquals(0, $DB->count_records('events_handlers', array('component'=>'unittest')), 'All handlers should be uninstalled: %s');
}
/**
* Tests the update of event handlers from file.
*/
public function test_events_update_definition__update() {
global $DB;
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
// First modify directly existing handler.
$handler = $DB->get_record('events_handlers', array('component'=>'unittest', 'eventname'=>'test_instant'));
$original = $handler->handlerfunction;
// Change handler in db.
$DB->set_field('events_handlers', 'handlerfunction', serialize('some_other_function_handler'), array('id'=>$handler->id));
// Update the definition, it should revert the handler back.
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$handler = $DB->get_record('events_handlers', array('component'=>'unittest', 'eventname'=>'test_instant'));
$this->assertSame($handler->handlerfunction, $original, 'update should sync db with file definition: %s');
}
/**
* Tests events_trigger_is_registered() function.
*/
public function test_events_is_registered() {
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$this->assertTrue(events_is_registered('test_instant', 'unittest'));
$this->assertDebuggingCalled('events_is_registered() has been deprecated along with all Events 1 API in favour of Events 2' .
' API, please use it instead.', DEBUG_DEVELOPER);
}
/**
* Tests events_trigger_legacy() function.
*/
public function test_events_trigger_legacy_instant() {
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$this->assertEquals(0, events_trigger_legacy('test_instant', 'ok'));
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$this->assertEquals(0, events_trigger_legacy('test_instant', 'ok'));
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$this->assertEquals(2, eventslib_sample_function_handler('status'));
}
/**
* Tests events_trigger_legacy() function.
*/
public function test_events_trigger__cron() {
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$this->assertEquals(0, events_trigger_legacy('test_cron', 'ok'));
$this->assertEquals(0, eventslib_sample_handler_class::static_method('status'));
events_cron('test_cron');
// The events_cron one + one for each triggered event above (triggered in events_dispatch).
$this->assertDebuggingCalledCount(2, array(self::DEBUGGING_MSG, self::DEBUGGING_MSG),
array(DEBUG_DEVELOPER, DEBUG_DEVELOPER));
$this->assertEquals(1, eventslib_sample_handler_class::static_method('status'));
}
/**
* Tests events_pending_count() function.
*/
public function test_events_pending_count() {
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
events_trigger_legacy('test_cron', 'ok');
$this->assertDebuggingNotCalled();
events_trigger_legacy('test_cron', 'ok');
$this->assertDebuggingNotCalled();
events_cron('test_cron');
// The events_cron one + one for each triggered event above (triggered in events_dispatch).
$this->assertDebuggingCalledCount(3);
$this->assertEquals(0, events_pending_count('test_cron'), 'all messages should be already dequeued: %s');
$this->assertDebuggingCalled('events_pending_count() has been deprecated along with all Events 1 API in favour of Events 2' .
' API, please use it instead.', DEBUG_DEVELOPER);
}
/**
* Tests events_trigger_legacy() function when instant handler fails.
*/
public function test_events_trigger__failed_instant() {
global $CFG;
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$olddebug = $CFG->debug;
$this->assertEquals(1, events_trigger_legacy('test_instant', 'fail'), 'fail first event: %s');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$this->assertEquals(1, events_trigger_legacy('test_instant', 'ok'), 'this one should fail too: %s');
$this->assertDebuggingNotCalled();
$this->assertEquals(0, events_cron('test_instant'), 'all events should stay in queue: %s');
// events_cron + one for each dispatched event.
$this->assertDebuggingCalledCount(3);
$this->assertEquals(2, events_pending_count('test_instant'), 'two events should in queue: %s');
$this->assertDebuggingCalled('events_pending_count() has been deprecated along with all Events 1 API in favour of Events 2' .
' API, please use it instead.', DEBUG_DEVELOPER);
$this->assertEquals(0, eventslib_sample_function_handler('status'), 'verify no event dispatched yet: %s');
eventslib_sample_function_handler('ignorefail'); // Ignore "fail" eventdata from now on.
$this->assertEquals(1, events_trigger_legacy('test_instant', 'ok'), 'this one should go to queue directly: %s');
$this->assertDebuggingNotCalled();
$this->assertEquals(3, events_pending_count('test_instant'), 'three events should in queue: %s');
$this->assertDebuggingCalled('events_pending_count() has been deprecated along with all Events 1 API in favour of Events 2' .
' API, please use it instead.', DEBUG_DEVELOPER);
$this->assertEquals(0, eventslib_sample_function_handler('status'), 'verify previous event was not dispatched: %s');
$this->assertEquals(3, events_cron('test_instant'), 'all events should be dispatched: %s');
// events_cron + one for each dispatched event.
$this->assertDebuggingCalledCount(4);
$this->assertEquals(3, eventslib_sample_function_handler('status'), 'verify three events were dispatched: %s');
$this->assertEquals(0, events_pending_count('test_instant'), 'no events should in queue: %s');
$this->assertDebuggingCalled('events_pending_count() has been deprecated along with all Events 1 API in favour of Events 2' .
' API, please use it instead.', DEBUG_DEVELOPER);
$this->assertEquals(0, events_trigger_legacy('test_instant', 'ok'), 'this event should be dispatched immediately: %s');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$this->assertEquals(4, eventslib_sample_function_handler('status'), 'verify event was dispatched: %s');
$this->assertEquals(0, events_pending_count('test_instant'), 'no events should in queue: %s');
$this->assertDebuggingCalled('events_pending_count() has been deprecated along with all Events 1 API in favour of Events 2' .
' API, please use it instead.', DEBUG_DEVELOPER);
}
/**
* Tests events_trigger() function.
*/
public function test_events_trigger_debugging() {
events_update_definition('unittest');
$this->assertDebuggingCalled(self::DEBUGGING_MSG, DEBUG_DEVELOPER);
$this->assertEquals(0, events_trigger('test_instant', 'ok'));
$debugmessages = array('events_trigger() is deprecated, please use new events instead', self::DEBUGGING_MSG);
$this->assertDebuggingCalledCount(2, $debugmessages, array(DEBUG_DEVELOPER, DEBUG_DEVELOPER));
}
}
/**
* Test handler function.
*/
function eventslib_sample_function_handler($eventdata) {
static $called = 0;
static $ignorefail = false;
if ($eventdata == 'status') {
return $called;
} else if ($eventdata == 'reset') {
$called = 0;
$ignorefail = false;
return;
} else if ($eventdata == 'fail') {
if ($ignorefail) {
$called++;
return true;
} else {
return false;
}
} else if ($eventdata == 'ignorefail') {
$ignorefail = true;
return;
} else if ($eventdata == 'ok') {
$called++;
return true;
}
print_error('invalideventdata', '', '', $eventdata);
}
/**
* Test handler class with static method.
*/
class eventslib_sample_handler_class {
public static function static_method($eventdata) {
static $called = 0;
static $ignorefail = false;
if ($eventdata == 'status') {
return $called;
} else if ($eventdata == 'reset') {
$called = 0;
$ignorefail = false;
return;
} else if ($eventdata == 'fail') {
if ($ignorefail) {
$called++;
return true;
} else {
return false;
}
} else if ($eventdata == 'ignorefail') {
$ignorefail = true;
return;
} else if ($eventdata == 'ok') {
$called++;
return true;
}
print_error('invalideventdata', '', '', $eventdata);
}
}