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MDL-50853 mod_chat: Unit tests for the external lib

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Juan Leyva
2015-09-02 17:26:05 +02:00
parent 5841b9d5d3
commit cdb5d405c1
1 changed files with 222 additions and 0 deletions
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mod/chat/tests/externallib_test.php
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<?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/>.
/**
* External mod_chat functions unit tests
*
* @package mod_chat
* @category external
* @copyright 2015 Juan Leyva <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.0
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/webservice/tests/helpers.php');
/**
* External mod_chat functions unit tests
*
* @package mod_chat
* @category external
* @copyright 2015 Juan Leyva <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.0
*/
class mod_chat_external_testcase extends externallib_advanced_testcase {
/**
* Test login user
*/
public function test_login_user() {
global $DB;
$this->resetAfterTest(true);
// Setup test data.
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
$user = self::getDataGenerator()->create_user();
$this->setUser($user);
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
$result = mod_chat_external::login_user($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
// Test session started.
$sid = $DB->get_field('chat_users', 'sid', array('userid' => $user->id, 'chatid' => $chat->id));
$this->assertEquals($result['chatsid'], $sid);
}
/**
* Test get chat users
*/
public function test_get_chat_users() {
global $DB;
$this->resetAfterTest(true);
// Setup test data.
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
$user1 = self::getDataGenerator()->create_user();
$user2 = self::getDataGenerator()->create_user();
$this->setUser($user1);
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->getDataGenerator()->enrol_user($user1->id, $course->id, $studentrole->id);
$this->getDataGenerator()->enrol_user($user2->id, $course->id, $studentrole->id);
$result = mod_chat_external::login_user($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
$this->setUser($user2);
$result = mod_chat_external::login_user($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
// Get users.
$result = mod_chat_external::get_chat_users($result['chatsid']);
$result = external_api::clean_returnvalue(mod_chat_external::get_chat_users_returns(), $result);
// Check correct users.
$this->assertCount(2, $result['users']);
$found = 0;
foreach ($result['users'] as $user) {
if ($user['id'] == $user1->id or $user['id'] == $user2->id) {
$found++;
}
}
$this->assertEquals(2, $found);
}
/**
* Test send and get chat messages
*/
public function test_send_get_chat_message() {
global $DB;
$this->resetAfterTest(true);
// Setup test data.
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
$user = self::getDataGenerator()->create_user();
$this->setUser($user);
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
$result = mod_chat_external::login_user($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
$chatsid = $result['chatsid'];
$result = mod_chat_external::send_chat_message($chatsid, 'hello!');
$result = external_api::clean_returnvalue(mod_chat_external::send_chat_message_returns(), $result);
// Test messages received.
$result = mod_chat_external::get_chat_latest_messages($chatsid, 0);
$result = external_api::clean_returnvalue(mod_chat_external::get_chat_latest_messages_returns(), $result);
foreach ($result['messages'] as $message) {
// Ommit system messages, like user just joined in.
if ($message['system']) {
continue;
}
$this->assertEquals('hello!', $message['message']);
}
}
/**
* Test view_chat
*/
public function test_view_chat() {
global $DB;
$this->resetAfterTest(true);
// Setup test data.
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
$context = context_module::instance($chat->cmid);
$cm = get_coursemodule_from_instance('chat', $chat->id);
// Test invalid instance id.
try {
mod_chat_external::view_chat(0);
$this->fail('Exception expected due to invalid mod_chat instance id.');
} catch (moodle_exception $e) {
$this->assertEquals('invalidrecord', $e->errorcode);
}
// Test not-enrolled user.
$user = self::getDataGenerator()->create_user();
$this->setUser($user);
try {
mod_chat_external::view_chat($chat->id);
$this->fail('Exception expected due to not enrolled user.');
} catch (moodle_exception $e) {
$this->assertEquals('requireloginerror', $e->errorcode);
}
// Test user with full capabilities.
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
// Trigger and capture the event.
$sink = $this->redirectEvents();
$result = mod_chat_external::view_chat($chat->id);
$result = external_api::clean_returnvalue(mod_chat_external::view_chat_returns(), $result);
$events = $sink->get_events();
$this->assertCount(1, $events);
$event = array_shift($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\mod_chat\event\course_module_viewed', $event);
$this->assertEquals($context, $event->get_context());
$moodlechat = new \moodle_url('/mod/chat/view.php', array('id' => $cm->id));
$this->assertEquals($moodlechat, $event->get_url());
$this->assertEventContextNotUsed($event);
$this->assertNotEmpty($event->get_name());
// Test user with no capabilities.
// We need a explicit prohibit since this capability is only defined in authenticated user and guest roles.
assign_capability('mod/chat:chat', CAP_PROHIBIT, $studentrole->id, $context->id);
accesslib_clear_all_caches_for_unit_testing();
try {
mod_chat_external::view_chat($chat->id);
$this->fail('Exception expected due to missing capability.');
} catch (moodle_exception $e) {
$this->assertEquals('nopermissions', $e->errorcode);
}
}
}