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Differences Between: [Versions 310 and 311] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403] [Versions 39 and 311]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace mod_chat;
  18  
  19  use externallib_advanced_testcase;
  20  use mod_chat_external;
  21  
  22  defined('MOODLE_INTERNAL') || die();
  23  
  24  global $CFG;
  25  
  26  require_once($CFG->dirroot . '/webservice/tests/helpers.php');
  27  
  28  /**
  29   * External mod_chat functions unit tests
  30   *
  31   * @package    mod_chat
  32   * @category   external
  33   * @copyright  2015 Juan Leyva <juan@moodle.com>
  34   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35   * @since      Moodle 3.0
  36   */
  37  class externallib_test extends externallib_advanced_testcase {
  38  
  39      /**
  40       * Test login user
  41       */
  42      public function test_login_user() {
  43          global $DB;
  44  
  45          $this->resetAfterTest(true);
  46  
  47          // Setup test data.
  48          $this->setAdminUser();
  49          $course = $this->getDataGenerator()->create_course();
  50          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
  51  
  52          $user = self::getDataGenerator()->create_user();
  53          $this->setUser($user);
  54          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
  55          $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
  56  
  57          $result = mod_chat_external::login_user($chat->id);
  58          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
  59  
  60          // Test session started.
  61          $sid = $DB->get_field('chat_users', 'sid', array('userid' => $user->id, 'chatid' => $chat->id));
  62          $this->assertEquals($result['chatsid'], $sid);
  63  
  64      }
  65  
  66      /**
  67       * Test get chat users
  68       */
  69      public function test_get_chat_users() {
  70          global $DB;
  71  
  72          $this->resetAfterTest(true);
  73  
  74          // Setup test data.
  75          $this->setAdminUser();
  76          $course = $this->getDataGenerator()->create_course();
  77          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
  78  
  79          $user1 = self::getDataGenerator()->create_user();
  80          $user2 = self::getDataGenerator()->create_user();
  81  
  82          $this->setUser($user1);
  83          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
  84          $this->getDataGenerator()->enrol_user($user1->id, $course->id, $studentrole->id);
  85          $this->getDataGenerator()->enrol_user($user2->id, $course->id, $studentrole->id);
  86  
  87          $result = mod_chat_external::login_user($chat->id);
  88          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
  89  
  90          $this->setUser($user2);
  91          $result = mod_chat_external::login_user($chat->id);
  92          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
  93  
  94          // Get users.
  95          $result = mod_chat_external::get_chat_users($result['chatsid']);
  96          $result = \external_api::clean_returnvalue(mod_chat_external::get_chat_users_returns(), $result);
  97  
  98          // Check correct users.
  99          $this->assertCount(2, $result['users']);
 100          $found = 0;
 101          foreach ($result['users'] as $user) {
 102              if ($user['id'] == $user1->id or $user['id'] == $user2->id) {
 103                  $found++;
 104              }
 105          }
 106          $this->assertEquals(2, $found);
 107  
 108      }
 109  
 110      /**
 111       * Test send and get chat messages
 112       */
 113      public function test_send_get_chat_message() {
 114          global $DB;
 115  
 116          $this->resetAfterTest(true);
 117  
 118          // Setup test data.
 119          $this->setAdminUser();
 120          $course = $this->getDataGenerator()->create_course();
 121          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
 122  
 123          $user = self::getDataGenerator()->create_user();
 124          $this->setUser($user);
 125          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
 126          $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
 127  
 128          $result = mod_chat_external::login_user($chat->id);
 129          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
 130          $chatsid = $result['chatsid'];
 131  
 132          $result = mod_chat_external::send_chat_message($chatsid, 'hello!');
 133          $result = \external_api::clean_returnvalue(mod_chat_external::send_chat_message_returns(), $result);
 134  
 135          // Test messages received.
 136  
 137          $result = mod_chat_external::get_chat_latest_messages($chatsid, 0);
 138          $result = \external_api::clean_returnvalue(mod_chat_external::get_chat_latest_messages_returns(), $result);
 139  
 140          foreach ($result['messages'] as $message) {
 141              // Ommit system messages, like user just joined in.
 142              if ($message['system']) {
 143                  continue;
 144              }
 145              $this->assertEquals('hello!', $message['message']);
 146          }
 147      }
 148  
 149      /**
 150       * Test view_chat
 151       */
 152      public function test_view_chat() {
 153          global $DB;
 154  
 155          $this->resetAfterTest(true);
 156  
 157          // Setup test data.
 158          $this->setAdminUser();
 159          $course = $this->getDataGenerator()->create_course();
 160          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
 161          $context = \context_module::instance($chat->cmid);
 162          $cm = get_coursemodule_from_instance('chat', $chat->id);
 163  
 164          // Test invalid instance id.
 165          try {
 166              mod_chat_external::view_chat(0);
 167              $this->fail('Exception expected due to invalid mod_chat instance id.');
 168          } catch (\moodle_exception $e) {
 169              $this->assertEquals('invalidrecord', $e->errorcode);
 170          }
 171  
 172          // Test not-enrolled user.
 173          $user = self::getDataGenerator()->create_user();
 174          $this->setUser($user);
 175          try {
 176              mod_chat_external::view_chat($chat->id);
 177              $this->fail('Exception expected due to not enrolled user.');
 178          } catch (\moodle_exception $e) {
 179              $this->assertEquals('requireloginerror', $e->errorcode);
 180          }
 181  
 182          // Test user with full capabilities.
 183          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
 184          $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
 185  
 186          // Trigger and capture the event.
 187          $sink = $this->redirectEvents();
 188  
 189          $result = mod_chat_external::view_chat($chat->id);
 190          $result = \external_api::clean_returnvalue(mod_chat_external::view_chat_returns(), $result);
 191  
 192          $events = $sink->get_events();
 193          $this->assertCount(1, $events);
 194          $event = array_shift($events);
 195  
 196          // Checking that the event contains the expected values.
 197          $this->assertInstanceOf('\mod_chat\event\course_module_viewed', $event);
 198          $this->assertEquals($context, $event->get_context());
 199          $moodlechat = new \moodle_url('/mod/chat/view.php', array('id' => $cm->id));
 200          $this->assertEquals($moodlechat, $event->get_url());
 201          $this->assertEventContextNotUsed($event);
 202          $this->assertNotEmpty($event->get_name());
 203  
 204          // Test user with no capabilities.
 205          // We need a explicit prohibit since this capability is only defined in authenticated user and guest roles.
 206          assign_capability('mod/chat:chat', CAP_PROHIBIT, $studentrole->id, $context->id);
 207          accesslib_clear_all_caches_for_unit_testing();
 208  
 209          try {
 210              mod_chat_external::view_chat($chat->id);
 211              $this->fail('Exception expected due to missing capability.');
 212          } catch (\moodle_exception $e) {
 213              $this->assertEquals('nopermissions', $e->errorcode);
 214          }
 215      }
 216  
 217      /**
 218       * Test get_chats_by_courses
 219       */
 220      public function test_get_chats_by_courses() {
 221          global $DB, $USER, $CFG;
 222          $this->resetAfterTest(true);
 223          $this->setAdminUser();
 224  
 225          // Set global chat method.
 226          $CFG->chat_method = 'header_js';
 227  
 228          $course1 = self::getDataGenerator()->create_course();
 229          $chatoptions1 = array(
 230                                'course' => $course1->id,
 231                                'name' => 'First Chat'
 232                               );
 233          $chat1 = self::getDataGenerator()->create_module('chat', $chatoptions1);
 234          $course2 = self::getDataGenerator()->create_course();
 235          $chatoptions2 = array(
 236                                'course' => $course2->id,
 237                                'name' => 'Second Chat'
 238                               );
 239          $chat2 = self::getDataGenerator()->create_module('chat', $chatoptions2);
 240          $student1 = $this->getDataGenerator()->create_user();
 241          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
 242  
 243          // Enroll Student1 in Course1.
 244          self::getDataGenerator()->enrol_user($student1->id,  $course1->id, $studentrole->id);
 245          $this->setUser($student1);
 246  
 247          $chats = mod_chat_external::get_chats_by_courses();
 248          // We need to execute the return values cleaning process to simulate the web service server.
 249          $chats = \external_api::clean_returnvalue(mod_chat_external::get_chats_by_courses_returns(), $chats);
 250          $this->assertCount(1, $chats['chats']);
 251          $this->assertEquals('First Chat', $chats['chats'][0]['name']);
 252          // We see 12 fields.
 253          $this->assertCount(12, $chats['chats'][0]);
 254  
 255          // As Student you cannot see some chat properties like 'section'.
 256          $this->assertFalse(isset($chats['chats'][0]['section']));
 257  
 258          // Student1 is not enrolled in course2. The webservice will return a warning!
 259          $chats = mod_chat_external::get_chats_by_courses(array($course2->id));
 260          // We need to execute the return values cleaning process to simulate the web service server.
 261          $chats = \external_api::clean_returnvalue(mod_chat_external::get_chats_by_courses_returns(), $chats);
 262          $this->assertCount(0, $chats['chats']);
 263          $this->assertEquals(1, $chats['warnings'][0]['warningcode']);
 264  
 265          // Now as admin.
 266          $this->setAdminUser();
 267          // As Admin we can see this chat.
 268          $chats = mod_chat_external::get_chats_by_courses(array($course2->id));
 269          // We need to execute the return values cleaning process to simulate the web service server.
 270          $chats = \external_api::clean_returnvalue(mod_chat_external::get_chats_by_courses_returns(), $chats);
 271  
 272          $this->assertCount(1, $chats['chats']);
 273          $this->assertEquals('Second Chat', $chats['chats'][0]['name']);
 274          $this->assertEquals('header_js', $chats['chats'][0]['chatmethod']);
 275          // We see 17 fields.
 276          $this->assertCount(17, $chats['chats'][0]);
 277          // As an Admin you can see some chat properties like 'section'.
 278          $this->assertEquals(0, $chats['chats'][0]['section']);
 279  
 280          // Enrol student in the second course.
 281          self::getDataGenerator()->enrol_user($student1->id,  $course2->id, $studentrole->id);
 282          $this->setUser($student1);
 283          $chats = mod_chat_external::get_chats_by_courses();
 284          $chats = \external_api::clean_returnvalue(mod_chat_external::get_chats_by_courses_returns(), $chats);
 285          $this->assertCount(2, $chats['chats']);
 286  
 287      }
 288  
 289      /**
 290       * Test get_sessions_empty_chat
 291       */
 292      public function test_get_sessions_empty_chat() {
 293          global $DB;
 294  
 295          $this->resetAfterTest(true);
 296  
 297          // Setup test data.
 298          $this->setAdminUser();
 299          $course = $this->getDataGenerator()->create_course();
 300          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
 301  
 302          $result = mod_chat_external::get_sessions($chat->id);
 303          $result = \external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
 304          $this->assertEmpty($result['sessions']);
 305          $this->assertEmpty($result['warnings']);
 306      }
 307  
 308  
 309      /**
 310       * Test get_sessions_no_permissions_for_student
 311       */
 312      public function test_get_sessions_no_permissions_for_student() {
 313          global $DB;
 314  
 315          $this->resetAfterTest(true);
 316  
 317          // Setup test data.
 318          $this->setAdminUser();
 319          $course = $this->getDataGenerator()->create_course();
 320          // Disable logs for students.
 321          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id, 'studentlogs' => 0));
 322          // The admin has permissions to check logs.
 323          $result = mod_chat_external::get_sessions($chat->id);
 324          $result = \external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
 325          $this->assertEmpty($result['sessions']);
 326          $this->assertEmpty($result['warnings']);
 327  
 328          $user = self::getDataGenerator()->create_user();
 329          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
 330          unassign_capability('mod/chat:readlog', $studentrole->id);
 331          accesslib_clear_all_caches_for_unit_testing();
 332  
 333          $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
 334          $this->setUser($user);
 335          // Students don't have permissions.
 336          $this->expectException('moodle_exception');
 337          mod_chat_external::get_sessions($chat->id);
 338      }
 339  
 340      /**
 341       * Test get_sessions_not_completed_session
 342       */
 343      public function test_get_sessions_not_completed_session() {
 344          global $DB;
 345  
 346          $this->resetAfterTest(true);
 347  
 348          // Setup test data.
 349          $this->setAdminUser();
 350          $course = $this->getDataGenerator()->create_course();
 351          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
 352  
 353          $user = self::getDataGenerator()->create_user();
 354          $this->setUser($user);
 355          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
 356          $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
 357  
 358          // Start a chat and send just one message.
 359          $result = mod_chat_external::login_user($chat->id);
 360          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
 361          $chatsid = $result['chatsid'];
 362          $result = mod_chat_external::send_chat_message($chatsid, 'hello!');
 363          $result = \external_api::clean_returnvalue(mod_chat_external::send_chat_message_returns(), $result);
 364  
 365          // Check session is not marked as completed so it is not returned.
 366          $result = mod_chat_external::get_sessions($chat->id);
 367          $result = \external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
 368          $this->assertEmpty($result['sessions']);
 369          $this->assertEmpty($result['warnings']);
 370  
 371          // Pass showall parameter to indicate that we want not completed sessions.
 372          $result = mod_chat_external::get_sessions($chat->id, 0, true);
 373          $result = \external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
 374          $this->assertCount(1, $result['sessions']); // One session.
 375          $this->assertFalse($result['sessions'][0]['iscomplete']); // Session not complete.
 376          $this->assertEmpty($result['warnings']);
 377      }
 378  
 379      /**
 380       * Test get_sessions_completed_session
 381       */
 382      public function test_get_sessions_completed_session() {
 383          global $DB;
 384  
 385          $this->resetAfterTest(true);
 386  
 387          // Setup test data.
 388          $this->setAdminUser();
 389          $course = $this->getDataGenerator()->create_course();
 390          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
 391  
 392          $user1 = self::getDataGenerator()->create_user();
 393          $user2 = self::getDataGenerator()->create_user();
 394          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
 395          $this->getDataGenerator()->enrol_user($user1->id, $course->id, $studentrole->id);
 396          $this->getDataGenerator()->enrol_user($user2->id, $course->id, $studentrole->id);
 397  
 398          // Start a chat and completeit.
 399          $this->setUser($user1);
 400          $result = mod_chat_external::login_user($chat->id);
 401          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
 402          $chatsid = $result['chatsid'];
 403          $result = mod_chat_external::send_chat_message($chatsid, 'hello!');
 404          $result = \external_api::clean_returnvalue(mod_chat_external::send_chat_message_returns(), $result);
 405          $this->setUser($user2);
 406          $result = mod_chat_external::login_user($chat->id);
 407          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
 408          $chatsid = $result['chatsid'];
 409          $result = mod_chat_external::send_chat_message($chatsid, 'hello to you!');
 410          $result = \external_api::clean_returnvalue(mod_chat_external::send_chat_message_returns(), $result);
 411          // Need to change first messages and last message times to mark the session completed.
 412          // We receive 4 messages (2 system messages that indicates user joined and the 2 messages sent by the users).
 413          $messages = $DB->get_records('chat_messages', array('chatid' => $chat->id));
 414          // Messages just one hour ago and 70 seconds between them.
 415          $timegap = 0;
 416          $timenow = time();
 417          foreach ($messages as $message) {
 418              $DB->set_field('chat_messages', 'timestamp', $timenow - HOURSECS + $timegap, array('id' => $message->id));
 419              $timegap += 70;
 420          }
 421          // Check session is completed.
 422          $result = mod_chat_external::get_sessions($chat->id);
 423          $result = \external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
 424          $this->assertCount(1, $result['sessions']); // One session.
 425          $this->assertTrue($result['sessions'][0]['iscomplete']); // Session complete.
 426          // The session started when user1 entered the chat.
 427          $this->assertEquals($timenow - HOURSECS, $result['sessions'][0]['sessionstart']);
 428          $this->assertEmpty($result['warnings']);
 429      }
 430  
 431      /**
 432       * Test get_session_messages
 433       */
 434      public function test_get_session_messages() {
 435          global $DB;
 436  
 437          $this->resetAfterTest(true);
 438  
 439          // Setup test data.
 440          $this->setAdminUser();
 441          $course = $this->getDataGenerator()->create_course();
 442          $chat = $this->getDataGenerator()->create_module('chat', array('course' => $course->id));
 443  
 444          $user1 = self::getDataGenerator()->create_user();
 445          $user2 = self::getDataGenerator()->create_user();
 446          $studentrole = $DB->get_record('role', array('shortname' => 'student'));
 447          $this->getDataGenerator()->enrol_user($user1->id, $course->id, $studentrole->id);
 448          $this->getDataGenerator()->enrol_user($user2->id, $course->id, $studentrole->id);
 449  
 450          // Start a chat and send a few messages.
 451          $this->setUser($user1);
 452          $result = mod_chat_external::login_user($chat->id);
 453          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
 454          $chatsid = $result['chatsid'];
 455          mod_chat_external::send_chat_message($chatsid, 'hello!');
 456          mod_chat_external::send_chat_message($chatsid, 'bye bye!');
 457  
 458          $this->setUser($user2);
 459          $result = mod_chat_external::login_user($chat->id);
 460          $result = \external_api::clean_returnvalue(mod_chat_external::login_user_returns(), $result);
 461          $chatsid = $result['chatsid'];
 462          mod_chat_external::send_chat_message($chatsid, 'greetings!');
 463  
 464          // Pass showall parameter to indicate that we want not completed sessions.
 465          $result = mod_chat_external::get_sessions($chat->id, 0, true);
 466          $result = \external_api::clean_returnvalue(mod_chat_external::get_sessions_returns(), $result);
 467          $this->assertCount(1, $result['sessions']); // One session.
 468  
 469          $sessionstart = $result['sessions'][0]['sessionstart'];
 470          $sessionend = $result['sessions'][0]['sessionend'];
 471          $result = mod_chat_external::get_session_messages($chat->id, $sessionstart, $sessionend);
 472          $result = \external_api::clean_returnvalue(mod_chat_external::get_session_messages_returns(), $result);
 473          $this->assertCount(5, $result['messages']); // 2 system + 3 personal messages.
 474          $found = 0;
 475          foreach ($result['messages'] as $message) {
 476              if (!$message['issystem']) {
 477                  if ($message['userid'] == $user1->id) {
 478                      if ($message['message'] != 'hello!') {
 479                          $this->assertEquals('bye bye!', $message['message']);
 480                          $found++;
 481                      }
 482                  } else {
 483                      $this->assertEquals($user2->id, $message['userid']);
 484                      $this->assertEquals('greetings!', $message['message']);
 485                      $found++;
 486                  }
 487              }
 488          }
 489          $this->assertEquals(2, $found);
 490      }
 491  }