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/**
18 * Tests for messagelib.php.
19 *
20 * @package    core_message
21 * @category   phpunit
22 * @copyright  2012 The Open Universtiy
23 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24 */
25
26defined('MOODLE_INTERNAL') || die();
27
28class core_messagelib_testcase extends advanced_testcase {
29
30    public function test_message_provider_disabled() {
31        $this->resetAfterTest();
32        $this->preventResetByRollback();
33
34        // Disable instantmessage provider.
35        $disableprovidersetting = 'moodle_instantmessage_disable';
36        set_config($disableprovidersetting, 1, 'message');
37        $preferences = get_message_output_default_preferences();
38        $this->assertTrue($preferences->$disableprovidersetting == 1);
39
40        $message = new \core\message\message();
41        $message->courseid          = 1;
42        $message->component         = 'moodle';
43        $message->name              = 'instantmessage';
44        $message->userfrom          = get_admin();
45        $message->userto            = $this->getDataGenerator()->create_user();;
46        $message->subject           = 'message subject 1';
47        $message->fullmessage       = 'message body';
48        $message->fullmessageformat = FORMAT_MARKDOWN;
49        $message->fullmessagehtml   = '<p>message body</p>';
50        $message->smallmessage      = 'small message';
51        $message->notification      = 0;
52
53        // Check message is not sent.
54        $sink = $this->redirectEmails();
55        message_send($message);
56        $emails = $sink->get_messages();
57        $this->assertEmpty($emails);
58
59        // Check message is sent.
60        set_config($disableprovidersetting, 0, 'message');
61        $preferences = get_message_output_default_preferences();
62        $this->assertTrue($preferences->$disableprovidersetting == 0);
63
64        $sink = $this->redirectEmails();
65        message_send($message);
66        $emails = $sink->get_messages();
67        $email = reset($emails);
68        $this->assertEquals(get_string('unreadnewmessage', 'message', fullname(get_admin())), $email->subject);
69    }
70    public function test_message_get_providers_for_user() {
71        global $CFG, $DB;
72
73        $this->resetAfterTest();
74
75        $generator = $this->getDataGenerator();
76
77        // Create a course category and course.
78        $cat = $generator->create_category(array('parent' => 0));
79        $course = $generator->create_course(array('category' => $cat->id));
80        $quiz = $generator->create_module('quiz', array('course' => $course->id));
81        $user = $generator->create_user();
82
83        $coursecontext = context_course::instance($course->id);
84        $quizcontext = context_module::instance($quiz->cmid);
85        $frontpagecontext = context_course::instance(SITEID);
86
87        $studentrole = $DB->get_record('role', array('shortname' => 'student'));
88
89        // The user is a student in a course, and has the capability for quiz
90        // confirmation emails in one quiz in that course.
91        role_assign($studentrole->id, $user->id, $coursecontext->id);
92        assign_capability('mod/quiz:emailconfirmsubmission', CAP_ALLOW, $studentrole->id, $quizcontext->id);
93
94        // Give this message type to the front page role.
95        assign_capability('mod/quiz:emailwarnoverdue', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagecontext->id);
96
97        $providers = message_get_providers_for_user($user->id);
98        $this->assertTrue($this->message_type_present('mod_forum', 'posts', $providers));
99        $this->assertTrue($this->message_type_present('mod_quiz', 'confirmation', $providers));
100        $this->assertTrue($this->message_type_present('mod_quiz', 'attempt_overdue', $providers));
101        $this->assertFalse($this->message_type_present('mod_quiz', 'submission', $providers));
102
103        // A user is a student in a different course, they should not get confirmation.
104        $course2 = $generator->create_course(array('category' => $cat->id));
105        $user2 = $generator->create_user();
106        $coursecontext2 = context_course::instance($course2->id);
107        role_assign($studentrole->id, $user2->id, $coursecontext2->id);
108        accesslib_clear_all_caches_for_unit_testing();
109        $providers = message_get_providers_for_user($user2->id);
110        $this->assertTrue($this->message_type_present('mod_forum', 'posts', $providers));
111        $this->assertFalse($this->message_type_present('mod_quiz', 'confirmation', $providers));
112
113        // Now remove the frontpage role id, and attempt_overdue message should go away.
114        unset_config('defaultfrontpageroleid');
115        accesslib_clear_all_caches_for_unit_testing();
116
117        $providers = message_get_providers_for_user($user->id);
118        $this->assertTrue($this->message_type_present('mod_quiz', 'confirmation', $providers));
119        $this->assertFalse($this->message_type_present('mod_quiz', 'attempt_overdue', $providers));
120        $this->assertFalse($this->message_type_present('mod_quiz', 'submission', $providers));
121    }
122
123    public function test_message_get_providers_for_user_more() {
124        global $DB;
125
126        $this->resetAfterTest();
127
128        // Create a course.
129        $course = $this->getDataGenerator()->create_course();
130        $coursecontext = context_course::instance($course->id);
131
132        // It would probably be better to use a quiz instance as it has capability controlled messages
133        // however mod_quiz doesn't have a data generator.
134        // Instead we're going to use backup notifications and give and take away the capability at various levels.
135        $assign = $this->getDataGenerator()->create_module('assign', array('course'=>$course->id));
136        $modulecontext = context_module::instance($assign->cmid);
137
138        // Create and enrol a teacher.
139        $teacherrole = $DB->get_record('role', array('shortname'=>'editingteacher'), '*', MUST_EXIST);
140        $teacher = $this->getDataGenerator()->create_user();
141        role_assign($teacherrole->id, $teacher->id, $coursecontext);
142        $enrolplugin = enrol_get_plugin('manual');
143        $enrolplugin->add_instance($course);
144        $enrolinstances = enrol_get_instances($course->id, false);
145        foreach ($enrolinstances as $enrolinstance) {
146            if ($enrolinstance->enrol === 'manual') {
147                break;
148            }
149        }
150        $enrolplugin->enrol_user($enrolinstance, $teacher->id);
151
152        // Make the teacher the current user.
153        $this->setUser($teacher);
154
155        // Teacher shouldn't have the required capability so they shouldn't be able to see the backup message.
156        $this->assertFalse(has_capability('moodle/site:config', $modulecontext));
157        $providers = message_get_providers_for_user($teacher->id);
158        $this->assertFalse($this->message_type_present('moodle', 'backup', $providers));
159
160        // Give the user the required capability in an activity module.
161        // They should now be able to see the backup message.
162        assign_capability('moodle/site:config', CAP_ALLOW, $teacherrole->id, $modulecontext->id, true);
163        accesslib_clear_all_caches_for_unit_testing();
164        $modulecontext = context_module::instance($assign->cmid);
165        $this->assertTrue(has_capability('moodle/site:config', $modulecontext));
166
167        $providers = message_get_providers_for_user($teacher->id);
168        $this->assertTrue($this->message_type_present('moodle', 'backup', $providers));
169
170        // Prohibit the capability for the user at the course level.
171        // This overrules the CAP_ALLOW at the module level.
172        // They should not be able to see the backup message.
173        assign_capability('moodle/site:config', CAP_PROHIBIT, $teacherrole->id, $coursecontext->id, true);
174        accesslib_clear_all_caches_for_unit_testing();
175        $modulecontext = context_module::instance($assign->cmid);
176        $this->assertFalse(has_capability('moodle/site:config', $modulecontext));
177
178        $providers = message_get_providers_for_user($teacher->id);
179        // Actually, handling PROHIBITs would be too expensive. We do not
180        // care if users with PROHIBITs see a few more preferences than they should.
181        // $this->assertFalse($this->message_type_present('moodle', 'backup', $providers));
182    }
183
184    public function test_send_message_redirection() {
185        global $DB;
186
187        $this->resetAfterTest();
188
189        $user1 = $this->getDataGenerator()->create_user();
190        $user2 = $this->getDataGenerator()->create_user();
191
192        // Test basic message redirection.
193        $message = new \core\message\message();
194        $message->courseid = 1;
195        $message->component = 'moodle';
196        $message->name = 'instantmessage';
197        $message->userfrom = $user1;
198        $message->userto = $user2;
199        $message->subject = 'message subject 1';
200        $message->fullmessage = 'message body';
201        $message->fullmessageformat = FORMAT_MARKDOWN;
202        $message->fullmessagehtml = '<p>message body</p>';
203        $message->smallmessage = 'small message';
204        $message->notification = '0';
205        $message->customdata = ['datakey' => 'data'];
206
207        $sink = $this->redirectMessages();
208        $this->setCurrentTimeStart();
209        $messageid = message_send($message);
210        $savedmessages = $sink->get_messages();
211        $this->assertCount(1, $savedmessages);
212        $savedmessage = reset($savedmessages);
213        $this->assertEquals($messageid, $savedmessage->id);
214        $this->assertEquals($user1->id, $savedmessage->useridfrom);
215        $this->assertEquals($user2->id, $savedmessage->useridto);
216        $this->assertEquals($message->fullmessage, $savedmessage->fullmessage);
217        $this->assertEquals($message->fullmessageformat, $savedmessage->fullmessageformat);
218        $this->assertEquals($message->fullmessagehtml, $savedmessage->fullmessagehtml);
219        $this->assertEquals($message->smallmessage, $savedmessage->smallmessage);
220        $this->assertEquals($message->smallmessage, $savedmessage->smallmessage);
221        $this->assertEquals($message->notification, $savedmessage->notification);
222        $this->assertEquals($message->customdata, $savedmessage->customdata);
223        $this->assertContains('datakey', $savedmessage->customdata);
224        // Check it was a unserialisable json.
225        $customdata = json_decode($savedmessage->customdata);
226        $this->assertEquals('data', $customdata->datakey);
227        $this->assertEquals(1, $customdata->courseid);
228        $this->assertTimeCurrent($savedmessage->timecreated);
229        $record = $DB->get_record('messages', array('id' => $savedmessage->id), '*', MUST_EXIST);
230        unset($savedmessage->useridto);
231        unset($savedmessage->notification);
232        $this->assertEquals($record, $savedmessage);
233        $sink->clear();
234        $this->assertTrue($DB->record_exists('message_user_actions', array('userid' => $user2->id, 'messageid' => $messageid,
235            'action' => \core_message\api::MESSAGE_ACTION_READ)));
236        $DB->delete_records('messages', array());
237
238        $message = new \core\message\message();
239        $message->courseid = 1;
240        $message->component = 'moodle';
241        $message->name = 'instantmessage';
242        $message->userfrom = $user1->id;
243        $message->userto = $user2->id;
244        $message->subject = 'message subject 1';
245        $message->fullmessage = 'message body';
246        $message->fullmessageformat = FORMAT_MARKDOWN;
247        $message->fullmessagehtml = '<p>message body</p>';
248        $message->smallmessage = 'small message';
249        $message->notification = '0';
250
251        $sink = $this->redirectMessages();
252        $messageid = message_send($message);
253        $savedmessages = $sink->get_messages();
254        $this->assertCount(1, $savedmessages);
255        $savedmessage = reset($savedmessages);
256        $this->assertEquals($messageid, $savedmessage->id);
257        $this->assertEquals($user1->id, $savedmessage->useridfrom);
258        $this->assertEquals($user2->id, $savedmessage->useridto);
259        $this->assertEquals($message->fullmessage, $savedmessage->fullmessage);
260        $this->assertEquals($message->fullmessageformat, $savedmessage->fullmessageformat);
261        $this->assertEquals($message->fullmessagehtml, $savedmessage->fullmessagehtml);
262        $this->assertEquals($message->smallmessage, $savedmessage->smallmessage);
263        $this->assertEquals($message->smallmessage, $savedmessage->smallmessage);
264        $this->assertEquals($message->notification, $savedmessage->notification);
265        $this->assertTimeCurrent($savedmessage->timecreated);
266        $record = $DB->get_record('messages', array('id' => $savedmessage->id), '*', MUST_EXIST);
267        unset($savedmessage->useridto);
268        unset($savedmessage->notification);
269        $this->assertEquals($record, $savedmessage);
270        $sink->clear();
271        $this->assertTrue($DB->record_exists('message_user_actions', array('userid' => $user2->id, 'messageid' => $messageid,
272            'action' => \core_message\api::MESSAGE_ACTION_READ)));
273        $DB->delete_records('messages', array());
274
275        // Test phpunit problem detection.
276
277        $message = new \core\message\message();
278        $message->courseid = 1;
279        $message->component = 'xxxxx';
280        $message->name = 'instantmessage';
281        $message->userfrom = $user1;
282        $message->userto = $user2;
283        $message->subject = 'message subject 1';
284        $message->fullmessage = 'message body';
285        $message->fullmessageformat = FORMAT_MARKDOWN;
286        $message->fullmessagehtml = '<p>message body</p>';
287        $message->smallmessage = 'small message';
288        $message->notification = '0';
289
290        $sink = $this->redirectMessages();
291        try {
292            message_send($message);
293        } catch (moodle_exception $e) {
294            $this->assertInstanceOf('coding_exception', $e);
295        }
296        $this->assertCount(0, $sink->get_messages());
297        $this->assertDebuggingCalled('Attempt to send msg from a provider xxxxx/instantmessage '.
298            'that is inactive or not allowed for the user id='.$user2->id);
299
300        $message->component = 'moodle';
301        $message->name = 'xxx';
302        $sink = $this->redirectMessages();
303        try {
304            message_send($message);
305        } catch (moodle_exception $e) {
306            $this->assertInstanceOf('coding_exception', $e);
307        }
308        $this->assertCount(0, $sink->get_messages());
309        $this->assertDebuggingCalled('Attempt to send msg from a provider moodle/xxx '.
310            'that is inactive or not allowed for the user id='.$user2->id);
311        $sink->close();
312        $this->assertFalse($DB->record_exists('messages', array()));
313
314        // Invalid users.
315
316        $message = new \core\message\message();
317        $message->courseid = 1;
318        $message->component = 'moodle';
319        $message->name = 'instantmessage';
320        $message->userfrom = $user1;
321        $message->userto = -1;
322        $message->subject = 'message subject 1';
323        $message->fullmessage = 'message body';
324        $message->fullmessageformat = FORMAT_MARKDOWN;
325        $message->fullmessagehtml = '<p>message body</p>';
326        $message->smallmessage = 'small message';
327        $message->notification = '0';
328
329        $messageid = message_send($message);
330        $this->assertFalse($messageid);
331        $this->assertDebuggingCalled('Attempt to send msg to unknown user');
332
333        $message = new \core\message\message();
334        $message->courseid = 1;
335        $message->component = 'moodle';
336        $message->name = 'instantmessage';
337        $message->userfrom = -1;
338        $message->userto = $user2;
339        $message->subject = 'message subject 1';
340        $message->fullmessage = 'message body';
341        $message->fullmessageformat = FORMAT_MARKDOWN;
342        $message->fullmessagehtml = '<p>message body</p>';
343        $message->smallmessage = 'small message';
344        $message->notification = '0';
345
346        $messageid = message_send($message);
347        $this->assertFalse($messageid);
348        $this->assertDebuggingCalled('Attempt to send msg from unknown user');
349
350        $message = new \core\message\message();
351        $message->courseid = 1;
352        $message->component = 'moodle';
353        $message->name = 'instantmessage';
354        $message->userfrom = $user1;
355        $message->userto = core_user::NOREPLY_USER;
356        $message->subject = 'message subject 1';
357        $message->fullmessage = 'message body';
358        $message->fullmessageformat = FORMAT_MARKDOWN;
359        $message->fullmessagehtml = '<p>message body</p>';
360        $message->smallmessage = 'small message';
361        $message->notification = '0';
362
363        $messageid = message_send($message);
364        $this->assertFalse($messageid);
365        $this->assertDebuggingCalled('Attempt to send msg to internal (noreply) user');
366
367        // Some debugging hints for devs.
368
369        unset($user2->emailstop);
370        $message = new \core\message\message();
371        $message->courseid = 1;
372        $message->component = 'moodle';
373        $message->name = 'instantmessage';
374        $message->userfrom = $user1;
375        $message->userto = $user2;
376        $message->subject = 'message subject 1';
377        $message->fullmessage = 'message body';
378        $message->fullmessageformat = FORMAT_MARKDOWN;
379        $message->fullmessagehtml = '<p>message body</p>';
380        $message->smallmessage = 'small message';
381        $message->notification = '0';
382
383        $sink = $this->redirectMessages();
384        $messageid = message_send($message);
385        $savedmessages = $sink->get_messages();
386        $this->assertCount(1, $savedmessages);
387        $savedmessage = reset($savedmessages);
388        $this->assertEquals($messageid, $savedmessage->id);
389        $this->assertEquals($user1->id, $savedmessage->useridfrom);
390        $this->assertEquals($user2->id, $savedmessage->useridto);
391        $this->assertDebuggingCalled('Necessary properties missing in userto object, fetching full record');
392        $sink->clear();
393        $user2->emailstop = '0';
394    }
395
396    public function test_send_message() {
397        global $DB, $CFG;
398        $this->preventResetByRollback();
399        $this->resetAfterTest();
400
401        $user1 = $this->getDataGenerator()->create_user(array('maildisplay' => 1));
402        $user2 = $this->getDataGenerator()->create_user();
403        set_config('allowedemaildomains', 'example.com');
404
405        // Test basic email redirection.
406        $this->assertFileExists("$CFG->dirroot/message/output/email/version.php");
407        $this->assertFileExists("$CFG->dirroot/message/output/popup/version.php");
408
409        $DB->set_field_select('message_processors', 'enabled', 0, "name <> 'email' AND name <> 'popup'");
410        get_message_processors(true, true);
411
412        $eventsink = $this->redirectEvents();
413
414        // Will always use the pop-up processor.
415        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'none', $user2);
416
417        $message = new \core\message\message();
418        $message->courseid          = 1;
419        $message->component         = 'moodle';
420        $message->name              = 'instantmessage';
421        $message->userfrom          = $user1;
422        $message->userto            = $user2;
423        $message->subject           = 'message subject 1';
424        $message->fullmessage       = 'message body';
425        $message->fullmessageformat = FORMAT_MARKDOWN;
426        $message->fullmessagehtml   = '<p>message body</p>';
427        $message->smallmessage      = 'small message';
428        $message->notification      = '0';
429
430        $sink = $this->redirectEmails();
431        $messageid = message_send($message);
432        $emails = $sink->get_messages();
433        $this->assertCount(0, $emails);
434        $savedmessage = $DB->get_record('messages', array('id' => $messageid), '*', MUST_EXIST);
435        $sink->clear();
436        $this->assertFalse($DB->record_exists('message_user_actions', array()));
437        $DB->delete_records('messages', array());
438        $DB->delete_records('message_user_actions', array());
439        $events = $eventsink->get_events();
440        $this->assertCount(1, $events);
441        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
442        $eventsink->clear();
443
444        // No messages are sent when the feature is disabled.
445        $CFG->messaging = 0;
446
447        $message = new \core\message\message();
448        $message->courseid          = 1;
449        $message->component         = 'moodle';
450        $message->name              = 'instantmessage';
451        $message->userfrom          = $user1;
452        $message->userto            = $user2;
453        $message->subject           = 'message subject 1';
454        $message->fullmessage       = 'message body';
455        $message->fullmessageformat = FORMAT_MARKDOWN;
456        $message->fullmessagehtml   = '<p>message body</p>';
457        $message->smallmessage      = 'small message';
458        $message->notification      = '0';
459
460        $messageid = message_send($message);
461        $this->assertFalse($messageid);
462        $this->assertDebuggingCalled('Attempt to send msg from a provider moodle/instantmessage '.
463            'that is inactive or not allowed for the user id='.$user2->id);
464        $emails = $sink->get_messages();
465        $this->assertCount(0, $emails);
466        $sink->clear();
467        $DB->delete_records('messages', array());
468        $DB->delete_records('message_user_actions', array());
469        $events = $eventsink->get_events();
470        $this->assertCount(0, $events);
471        $eventsink->clear();
472
473        // Example of a message that is sent and viewed.
474        $CFG->messaging = 1;
475
476        $message = new \core\message\message();
477        $message->courseid          = 1;
478        $message->component         = 'moodle';
479        $message->name              = 'instantmessage';
480        $message->userfrom          = $user1;
481        $message->userto            = $user2;
482        $message->subject           = 'message subject 1';
483        $message->fullmessage       = 'message body';
484        $message->fullmessageformat = FORMAT_MARKDOWN;
485        $message->fullmessagehtml   = '<p>message body</p>';
486        $message->smallmessage      = 'small message';
487        $message->notification      = '1';
488
489        $messageid = message_send($message);
490        $emails = $sink->get_messages();
491        $this->assertCount(0, $emails);
492        $savedmessage = $DB->get_record('notifications', array('id' => $messageid), '*', MUST_EXIST);
493        $sink->clear();
494        $this->assertFalse($DB->record_exists('messages', array()));
495        $DB->delete_records('notifications', array());
496        $events = $eventsink->get_events();
497        $this->assertCount(2, $events);
498        $this->assertInstanceOf('\core\event\notification_sent', $events[0]);
499        $this->assertInstanceOf('\core\event\notification_viewed', $events[1]);
500        $eventsink->clear();
501
502        // Will always use the pop-up processor.
503        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user2);
504
505        $message = new \core\message\message();
506        $message->courseid          = 1;
507        $message->component         = 'moodle';
508        $message->name              = 'instantmessage';
509        $message->userfrom          = $user1;
510        $message->userto            = $user2;
511        $message->subject           = 'message subject 1';
512        $message->fullmessage       = 'message body';
513        $message->fullmessageformat = FORMAT_MARKDOWN;
514        $message->fullmessagehtml   = '<p>message body</p>';
515        $message->smallmessage      = 'small message';
516        $message->notification      = '0';
517
518        $user2->emailstop = '1';
519
520        $sink = $this->redirectEmails();
521        $messageid = message_send($message);
522        $emails = $sink->get_messages();
523        $this->assertCount(0, $emails);
524        $savedmessage = $DB->get_record('messages', array('id' => $messageid), '*', MUST_EXIST);
525        $sink->clear();
526        $this->assertFalse($DB->record_exists('message_user_actions', array()));
527        $DB->delete_records('messages', array());
528        $DB->delete_records('message_user_actions', array());
529        $events = $eventsink->get_events();
530        $this->assertCount(1, $events);
531        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
532        $eventsink->clear();
533        $user2->emailstop = '0';
534
535        // Will always use the pop-up processor.
536        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user2);
537
538        $message = new \core\message\message();
539        $message->courseid          = 1;
540        $message->component         = 'moodle';
541        $message->name              = 'instantmessage';
542        $message->userfrom          = $user1;
543        $message->userto            = $user2;
544        $message->subject           = 'message subject 1';
545        $message->fullmessage       = 'message body';
546        $message->fullmessageformat = FORMAT_MARKDOWN;
547        $message->fullmessagehtml   = '<p>message body</p>';
548        $message->smallmessage      = 'small message';
549        $message->notification      = '0';
550
551        $messageid = message_send($message);
552        $emails = $sink->get_messages();
553        $this->assertCount(1, $emails);
554        $email = reset($emails);
555        $savedmessage = $DB->get_record('messages', array('id' => $messageid), '*', MUST_EXIST);
556        $this->assertSame($user1->email, $email->from);
557        $this->assertSame($user2->email, $email->to);
558        $this->assertSame(get_string('unreadnewmessage', 'message', fullname($user1)), $email->subject);
559        $this->assertNotEmpty($email->header);
560        $this->assertNotEmpty($email->body);
561        $sink->clear();
562        $this->assertFalse($DB->record_exists('message_user_actions', array()));
563        $DB->delete_records('message_user_actions', array());
564        $events = $eventsink->get_events();
565        $this->assertCount(1, $events);
566        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
567        $eventsink->clear();
568
569        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email,popup', $user2);
570
571        $message = new \core\message\message();
572        $message->courseid          = 1;
573        $message->component         = 'moodle';
574        $message->name              = 'instantmessage';
575        $message->userfrom          = $user1;
576        $message->userto            = $user2;
577        $message->subject           = 'message subject 1';
578        $message->fullmessage       = 'message body';
579        $message->fullmessageformat = FORMAT_MARKDOWN;
580        $message->fullmessagehtml   = '<p>message body</p>';
581        $message->smallmessage      = 'small message';
582        $message->notification      = '0';
583
584        $messageid = message_send($message);
585        $emails = $sink->get_messages();
586        $this->assertCount(1, $emails);
587        $email = reset($emails);
588        $savedmessage = $DB->get_record('messages', array('id' => $messageid), '*', MUST_EXIST);
589        $this->assertSame($user1->email, $email->from);
590        $this->assertSame($user2->email, $email->to);
591        $this->assertSame(get_string('unreadnewmessage', 'message', fullname($user1)), $email->subject);
592        $this->assertNotEmpty($email->header);
593        $this->assertNotEmpty($email->body);
594        $sink->clear();
595        $this->assertFalse($DB->record_exists('message_user_actions', array()));
596        $DB->delete_records('messages', array());
597        $DB->delete_records('message_user_actions', array());
598        $events = $eventsink->get_events();
599        $this->assertCount(1, $events);
600        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
601        $eventsink->clear();
602
603        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'popup', $user2);
604
605        $message = new \core\message\message();
606        $message->courseid          = 1;
607        $message->component         = 'moodle';
608        $message->name              = 'instantmessage';
609        $message->userfrom          = $user1;
610        $message->userto            = $user2;
611        $message->subject           = 'message subject 1';
612        $message->fullmessage       = 'message body';
613        $message->fullmessageformat = FORMAT_MARKDOWN;
614        $message->fullmessagehtml   = '<p>message body</p>';
615        $message->smallmessage      = 'small message';
616        $message->notification      = '0';
617
618        $messageid = message_send($message);
619        $emails = $sink->get_messages();
620        $this->assertCount(0, $emails);
621        $savedmessage = $DB->get_record('messages', array('id' => $messageid), '*', MUST_EXIST);
622        $sink->clear();
623        $this->assertFalse($DB->record_exists('message_user_actions', array()));
624        $DB->delete_records('messages', array());
625        $events = $eventsink->get_events();
626        $this->assertCount(1, $events);
627        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
628        $eventsink->clear();
629
630        $this->assertFalse($DB->is_transaction_started());
631        $transaction = $DB->start_delegated_transaction();
632        if (!$DB->is_transaction_started()) {
633            $this->markTestSkipped('Databases that do not support transactions should not be used at all!');
634        }
635        $transaction->allow_commit();
636
637        // Will always use the pop-up processor.
638        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'none', $user2);
639
640        $message = new \core\message\message();
641        $message->courseid          = 1;
642        $message->component         = 'moodle';
643        $message->name              = 'instantmessage';
644        $message->userfrom          = $user1;
645        $message->userto            = $user2;
646        $message->subject           = 'message subject 1';
647        $message->fullmessage       = 'message body';
648        $message->fullmessageformat = FORMAT_MARKDOWN;
649        $message->fullmessagehtml   = '<p>message body</p>';
650        $message->smallmessage      = 'small message';
651        $message->notification      = '0';
652
653        $transaction = $DB->start_delegated_transaction();
654        $sink = $this->redirectEmails();
655        $messageid = message_send($message);
656        $emails = $sink->get_messages();
657        $this->assertCount(0, $emails);
658        $savedmessage = $DB->get_record('messages', array('id' => $messageid), '*', MUST_EXIST);
659        $sink->clear();
660        $this->assertFalse($DB->record_exists('message_user_actions', array()));
661        $DB->delete_records('messages', array());
662        $events = $eventsink->get_events();
663        $this->assertCount(0, $events);
664        $eventsink->clear();
665        $transaction->allow_commit();
666        $events = $eventsink->get_events();
667        $this->assertCount(1, $events);
668        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
669
670        // Will always use the pop-up processor.
671        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user2);
672
673        $message = new \core\message\message();
674        $message->courseid          = 1;
675        $message->component         = 'moodle';
676        $message->name              = 'instantmessage';
677        $message->userfrom          = $user1;
678        $message->userto            = $user2;
679        $message->subject           = 'message subject 1';
680        $message->fullmessage       = 'message body';
681        $message->fullmessageformat = FORMAT_MARKDOWN;
682        $message->fullmessagehtml   = '<p>message body</p>';
683        $message->smallmessage      = 'small message';
684        $message->notification      = '0';
685
686        $transaction = $DB->start_delegated_transaction();
687        $sink = $this->redirectEmails();
688        $messageid = message_send($message);
689        $emails = $sink->get_messages();
690        $this->assertCount(0, $emails);
691        $savedmessage = $DB->get_record('messages', array('id' => $messageid), '*', MUST_EXIST);
692        $sink->clear();
693        $this->assertFalse($DB->record_exists('message_user_actions', array()));
694        $events = $eventsink->get_events();
695        $this->assertCount(1, $events);
696        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
697        $transaction->allow_commit();
698        $events = $eventsink->get_events();
699        $this->assertCount(2, $events);
700        $this->assertInstanceOf('\core\event\message_sent', $events[1]);
701        $eventsink->clear();
702
703        $transaction = $DB->start_delegated_transaction();
704        message_send($message);
705        message_send($message);
706        $this->assertCount(3, $DB->get_records('messages'));
707        $this->assertFalse($DB->record_exists('message_user_actions', array()));
708        $events = $eventsink->get_events();
709        $this->assertCount(0, $events);
710        $transaction->allow_commit();
711        $events = $eventsink->get_events();
712        $this->assertCount(2, $events);
713        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
714        $this->assertInstanceOf('\core\event\message_sent', $events[1]);
715        $eventsink->clear();
716        $DB->delete_records('messages', array());
717
718        $transaction = $DB->start_delegated_transaction();
719        message_send($message);
720        message_send($message);
721        $this->assertCount(2, $DB->get_records('messages'));
722        $this->assertCount(0, $DB->get_records('message_user_actions'));
723        $events = $eventsink->get_events();
724        $this->assertCount(0, $events);
725        try {
726            $transaction->rollback(new Exception('ignore'));
727        } catch (Exception $e) {
728            $this->assertSame('ignore', $e->getMessage());
729        }
730        $events = $eventsink->get_events();
731        $this->assertCount(0, $events);
732        $this->assertCount(0, $DB->get_records('messages'));
733        message_send($message);
734        $this->assertCount(1, $DB->get_records('messages'));
735        $this->assertCount(0, $DB->get_records('message_user_actions'));
736        $events = $eventsink->get_events();
737        $this->assertCount(1, $events);
738        $this->assertInstanceOf('\core\event\message_sent', $events[0]);
739        $sink->clear();
740    }
741
742    /**
743     * Tests calling message_send() with $eventdata representing a message to an individual conversation.
744     *
745     * This test will verify:
746     * - that the 'messages' record is created.
747     * - that the processors will be called for each conversation member, except the sender.
748     * - the a single event will be generated - 'message_sent'
749     *
750     * Note: We won't redirect/capture messages in this test because doing so causes message_send() to return early, before
751     * processors and events code is called. We need to test this code here, as we generally redirect messages elsewhere and we
752     * need to be sure this is covered.
753     */
754    public function test_message_send_to_conversation_individual() {
755        global $DB;
756        $this->preventResetByRollback();
757        $this->resetAfterTest();
758
759        // Create some users and a conversation between them.
760        $user1 = $this->getDataGenerator()->create_user(array('maildisplay' => 1));
761        $user2 = $this->getDataGenerator()->create_user();
762        set_config('allowedemaildomains', 'example.com');
763        $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
764            [$user1->id, $user2->id], '1:1 project discussion');
765
766        // Generate the message.
767        $message = new \core\message\message();
768        $message->courseid          = 1;
769        $message->component         = 'moodle';
770        $message->name              = 'instantmessage';
771        $message->userfrom          = $user1;
772        $message->convid            = $conversation->id;
773        $message->subject           = 'message subject 1';
774        $message->fullmessage       = 'message body';
775        $message->fullmessageformat = FORMAT_MARKDOWN;
776        $message->fullmessagehtml   = '<p>message body</p>';
777        $message->smallmessage      = 'small message';
778        $message->notification      = '0';
779
780        // Content specific to the email processor.
781        $content = array('*' => array('header' => ' test ', 'footer' => ' test '));
782        $message->set_additional_content('email', $content);
783
784        // Ensure we're going to hit the email processor for this user.
785        $DB->set_field_select('message_processors', 'enabled', 0, "name <> 'email'");
786        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user2);
787
788        // Now, send a message and verify the message processors (in this case, email) are hit.
789        $sink = $this->redirectEmails();
790        $messageid = message_send($message);
791        $emails = $sink->get_messages();
792        $this->assertCount(1, $emails);
793        $email = reset($emails);
794
795        // Verify the record was created in 'messages'.
796        $recordexists = $DB->record_exists('messages', ['id' => $messageid]);
797        $this->assertTrue($recordexists);
798
799        // Verify the email information.
800        $this->assertSame($user1->email, $email->from);
801        $this->assertSame($user2->email, $email->to);
802
803        // The message subject is generated during the call for conversation messages,
804        // as the conversation may have many members having different lang preferences.
805        $this->assertSame(get_string('unreadnewmessage', 'message', fullname($user1)), $email->subject);
806
807        // The email content will have had an emailtagline appended to it, based on lang prefs,
808        // so verify the expected beginning and ends.
809        $this->assertNotEmpty($email->header);
810        $this->assertNotEmpty($email->body);
811        $this->assertRegExp('/test.*message body.*test/s', $email->body);
812        $sink->clear();
813
814        // Now, send the message again, and verify that the event fired includes the courseid and conversationid.
815        $eventsink = $this->redirectEvents();
816        $messageid = message_send($message);
817        $events = $eventsink->get_events();
818        $this->assertCount(1, $events);
819        $event = reset($events);
820        $this->assertInstanceOf(\core\event\message_sent::class, $event);
821        $this->assertEquals($user1->id, $event->userid);
822        $this->assertEquals($user2->id, $event->relateduserid);
823        $this->assertEquals($message->courseid, $event->other['courseid']);
824
825        $eventsink->clear();
826        $sink->clear();
827    }
828
829    /**
830     * Tests calling message_send() with $eventdata representing a message to a self-conversation.
831     *
832     * This test will verify:
833     * - that the 'messages' record is created.
834     * - that the processors is not called (for now self-conversations are not processed).
835     * - the a single event will be generated - 'message_sent'
836     *
837     * Note: We won't redirect/capture messages in this test because doing so causes message_send() to return early, before
838     * processors and events code is called. We need to test this code here, as we generally redirect messages elsewhere and we
839     * need to be sure this is covered.
840     */
841    public function test_message_send_to_self_conversation() {
842        global $DB;
843        $this->preventResetByRollback();
844        $this->resetAfterTest();
845
846        // Create some users and a conversation between them.
847        $user1 = $this->getDataGenerator()->create_user(array('maildisplay' => 1));
848        set_config('allowedemaildomains', 'example.com');
849        $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF,
850            [$user1->id]);
851
852        // Generate the message.
853        $message = new \core\message\message();
854        $message->courseid          = 1;
855        $message->component         = 'moodle';
856        $message->name              = 'instantmessage';
857        $message->userfrom          = $user1;
858        $message->convid            = $conversation->id;
859        $message->subject           = 'message subject 1';
860        $message->fullmessage       = 'message body';
861        $message->fullmessageformat = FORMAT_MARKDOWN;
862        $message->fullmessagehtml   = '<p>message body</p>';
863        $message->smallmessage      = 'small message';
864        $message->notification      = '0';
865
866        // Content specific to the email processor.
867        $content = array('*' => array('header' => ' test ', 'footer' => ' test '));
868        $message->set_additional_content('email', $content);
869
870        // Ensure we're going to hit the email processor for this user.
871        $DB->set_field_select('message_processors', 'enabled', 0, "name <> 'email'");
872        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user1);
873
874        // Now, send a message and verify the message processors are empty (self-conversations are not processed for now).
875        $sink = $this->redirectEmails();
876        $messageid = message_send($message);
877        $emails = $sink->get_messages();
878        $this->assertCount(0, $emails);
879        $sink->clear();
880    }
881
882    /**
883     * Tests calling message_send() with $eventdata representing a message to an group conversation.
884     *
885     * This test will verify:
886     * - that the 'messages' record is created.
887     * - that the processors will be called for each conversation member, except the sender.
888     * - the a single event will be generated - 'group_message_sent'
889     *
890     * Note: We won't redirect/capture messages in this test because doing so causes message_send() to return early, before
891     * processors and events code is called. We need to test this code here, as we generally redirect messages elsewhere and we
892     * need to be sure this is covered.
893     */
894    public function test_message_send_to_conversation_group() {
895        global $DB;
896        $this->preventResetByRollback();
897        $this->resetAfterTest();
898
899        $course = $this->getDataGenerator()->create_course();
900
901        // Create some users and a conversation between them.
902        $user1 = $this->getDataGenerator()->create_user(array('maildisplay' => 1));
903        $user2 = $this->getDataGenerator()->create_user();
904        $user3 = $this->getDataGenerator()->create_user();
905        set_config('allowedemaildomains', 'example.com');
906
907        // Create a group in the course.
908        $group1 = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
909        groups_add_member($group1->id, $user1->id);
910        groups_add_member($group1->id, $user2->id);
911        groups_add_member($group1->id, $user3->id);
912
913        $conversation = \core_message\api::create_conversation(
914            \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
915            [$user1->id, $user2->id, $user3->id],
916            'Group project discussion',
917            \core_message\api::MESSAGE_CONVERSATION_ENABLED,
918            'core_group',
919            'groups',
920            $group1->id,
921            context_course::instance($course->id)->id
922        );
923
924        // Generate the message.
925        $message = new \core\message\message();
926        $message->courseid          = 1;
927        $message->component         = 'moodle';
928        $message->name              = 'instantmessage';
929        $message->userfrom          = $user1;
930        $message->convid            = $conversation->id;
931        $message->subject           = 'message subject 1';
932        $message->fullmessage       = 'message body';
933        $message->fullmessageformat = FORMAT_MARKDOWN;
934        $message->fullmessagehtml   = '<p>message body</p>';
935        $message->smallmessage      = 'small message';
936        $message->notification      = '0';
937
938        // Content specific to the email processor.
939        $content = array('*' => array('header' => ' test ', 'footer' => ' test '));
940        $message->set_additional_content('email', $content);
941
942        // Ensure the email processor is enabled for the recipient users.
943        $DB->set_field_select('message_processors', 'enabled', 0, "name <> 'email'");
944        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user2);
945        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user3);
946
947        // Now, send a message and verify the email processor are hit.
948        $messageid = message_send($message);
949
950        $sink = $this->redirectEmails();
951        $task = new \message_email\task\send_email_task();
952        $task->execute();
953        $emails = $sink->get_messages();
954        $this->assertCount(2, $emails);
955
956        // Verify the record was created in 'messages'.
957        $recordexists = $DB->record_exists('messages', ['id' => $messageid]);
958        $this->assertTrue($recordexists);
959
960        // Now, send the message again, and verify that the event fired includes the courseid and conversationid.
961        $eventsink = $this->redirectEvents();
962        $messageid = message_send($message);
963        $events = $eventsink->get_events();
964        $this->assertCount(1, $events);
965        $event = reset($events);
966        $this->assertInstanceOf(\core\event\group_message_sent::class, $event);
967        $this->assertEquals($user1->id, $event->userid);
968        $this->assertNull($event->relateduserid);
969        $this->assertEquals($message->courseid, $event->other['courseid']);
970        $this->assertEquals($message->convid, $event->other['conversationid']);
971        $eventsink->clear();
972        $sink->clear();
973    }
974
975    /**
976     * Verify that sending a message to a conversation is an action which can be buffered by the manager if in a DB transaction.
977     *
978     * This should defer all processor calls (for 2 members in this case), and event creation (1 event).
979     */
980    public function test_send_message_to_conversation_group_with_buffering() {
981        global $DB, $CFG;
982        $this->preventResetByRollback();
983        $this->resetAfterTest();
984
985        $course = $this->getDataGenerator()->create_course();
986
987        $user1 = $this->getDataGenerator()->create_user(array('maildisplay' => 1));
988        $user2 = $this->getDataGenerator()->create_user();
989        $user3 = $this->getDataGenerator()->create_user();
990        set_config('allowedemaildomains', 'example.com');
991
992        // Create a group in the course.
993        $group1 = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
994        groups_add_member($group1->id, $user1->id);
995        groups_add_member($group1->id, $user2->id);
996        groups_add_member($group1->id, $user3->id);
997
998        $conversation = \core_message\api::create_conversation(
999            \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
1000            [$user1->id, $user2->id, $user3->id],
1001            'Group project discussion',
1002            \core_message\api::MESSAGE_CONVERSATION_ENABLED,
1003            'core_group',
1004            'groups',
1005            $group1->id,
1006            context_course::instance($course->id)->id
1007        );
1008
1009        // Test basic email redirection.
1010        $this->assertFileExists("$CFG->dirroot/message/output/email/version.php");
1011        $this->assertFileExists("$CFG->dirroot/message/output/popup/version.php");
1012
1013        $DB->set_field_select('message_processors', 'enabled', 0, "name <> 'email' AND name <> 'popup'");
1014        get_message_processors(true, true);
1015
1016        $eventsink = $this->redirectEvents();
1017
1018        // Will always use the pop-up processor.
1019        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user2);
1020        set_user_preference('message_provider_moodle_instantmessage_loggedoff', 'email', $user3);
1021
1022        $message = new \core\message\message();
1023        $message->courseid          = 1;
1024        $message->component         = 'moodle';
1025        $message->name              = 'instantmessage';
1026        $message->userfrom          = $user1;
1027        $message->convid            = $conversation->id;
1028        $message->subject           = 'message subject 1';
1029        $message->fullmessage       = 'message body';
1030        $message->fullmessageformat = FORMAT_MARKDOWN;
1031        $message->fullmessagehtml   = '<p>message body</p>';
1032        $message->smallmessage      = 'small message';
1033        $message->notification      = '0';
1034
1035        $transaction = $DB->start_delegated_transaction();
1036        $sink = $this->redirectEmails();
1037        message_send($message);
1038        $emails = $sink->get_messages();
1039        $this->assertCount(0, $emails);
1040        $sink->clear();
1041        $this->assertFalse($DB->record_exists('message_user_actions', array()));
1042        $events = $eventsink->get_events();
1043        $this->assertCount(0, $events);
1044        $eventsink->clear();
1045        $transaction->allow_commit();
1046        $events = $eventsink->get_events();
1047        $task = new \message_email\task\send_email_task();
1048        $task->execute();
1049        $emails = $sink->get_messages();
1050        $this->assertCount(2, $emails);
1051        $this->assertCount(1, $events);
1052        $this->assertInstanceOf('\core\event\group_message_sent', $events[0]);
1053    }
1054
1055    public function test_rollback() {
1056        global $DB;
1057
1058        $this->resetAfterTest();
1059        $this->preventResetByRollback();
1060
1061        $user1 = $this->getDataGenerator()->create_user();
1062        $user2 = $this->getDataGenerator()->create_user();
1063
1064        $message = new \core\message\message();
1065        $message->courseid          = 1;
1066        $message->component         = 'moodle';
1067        $message->name              = 'instantmessage';
1068        $message->userfrom          = $user1;
1069        $message->userto            = $user2;
1070        $message->subject           = 'message subject 1';
1071        $message->fullmessage       = 'message body';
1072        $message->fullmessageformat = FORMAT_MARKDOWN;
1073        $message->fullmessagehtml   = '<p>message body</p>';
1074        $message->smallmessage      = 'small message';
1075        $message->notification      = '0';
1076
1077        $mailsink = $this->redirectEmails();
1078
1079        // Sending outside of a transaction is fine.
1080        message_send($message);
1081        $this->assertEquals(1, $mailsink->count());
1082
1083        $transaction1 = $DB->start_delegated_transaction();
1084
1085        $mailsink->clear();
1086        message_send($message);
1087        $this->assertEquals(0, $mailsink->count());
1088
1089        $transaction2 = $DB->start_delegated_transaction();
1090
1091        $mailsink->clear();
1092        message_send($message);
1093        $this->assertEquals(0, $mailsink->count());
1094
1095        try {
1096            $transaction2->rollback(new Exception('x'));
1097            $this->fail('Expecting exception');
1098        } catch (Exception $e) {}
1099        $this->assertDebuggingNotCalled();
1100        $this->assertEquals(0, $mailsink->count());
1101
1102        $this->assertTrue($DB->is_transaction_started());
1103
1104        try {
1105            $transaction1->rollback(new Exception('x'));
1106            $this->fail('Expecting exception');
1107        } catch (Exception $e) {}
1108        $this->assertDebuggingNotCalled();
1109        $this->assertEquals(0, $mailsink->count());
1110
1111        $this->assertFalse($DB->is_transaction_started());
1112
1113        message_send($message);
1114        $this->assertEquals(1, $mailsink->count());
1115    }
1116
1117    public function test_forced_rollback() {
1118        global $DB;
1119
1120        $this->resetAfterTest();
1121        $this->preventResetByRollback();
1122        set_config('noemailever', 1);
1123
1124        $user1 = $this->getDataGenerator()->create_user();
1125        $user2 = $this->getDataGenerator()->create_user();
1126
1127        $message = new \core\message\message();
1128        $message->courseid          = 1;
1129        $message->component         = 'moodle';
1130        $message->name              = 'instantmessage';
1131        $message->userfrom          = $user1;
1132        $message->userto            = $user2;
1133        $message->subject           = 'message subject 1';
1134        $message->fullmessage       = 'message body';
1135        $message->fullmessageformat = FORMAT_MARKDOWN;
1136        $message->fullmessagehtml   = '<p>message body</p>';
1137        $message->smallmessage      = 'small message';
1138        $message->notification      = '0';
1139
1140        message_send($message);
1141        $this->assertDebuggingCalled('Not sending email due to $CFG->noemailever config setting');
1142
1143        $transaction1 = $DB->start_delegated_transaction();
1144
1145        message_send($message);
1146        $this->assertDebuggingNotCalled();
1147
1148        $transaction2 = $DB->start_delegated_transaction();
1149
1150        message_send($message);
1151        $this->assertDebuggingNotCalled();
1152
1153        $DB->force_transaction_rollback();
1154        $this->assertFalse($DB->is_transaction_started());
1155        $this->assertDebuggingNotCalled();
1156
1157        message_send($message);
1158        $this->assertDebuggingCalled('Not sending email due to $CFG->noemailever config setting');
1159    }
1160
1161    public function test_message_attachment_send() {
1162        global $CFG;
1163        $this->preventResetByRollback();
1164        $this->resetAfterTest();
1165
1166        // Set config setting to allow attachments.
1167        $CFG->allowattachments = true;
1168        unset_config('noemailever');
1169
1170        $user = $this->getDataGenerator()->create_user();
1171        $context = context_user::instance($user->id);
1172
1173        // Create a test file.
1174        $fs = get_file_storage();
1175        $filerecord = array(
1176                'contextid' => $context->id,
1177                'component' => 'core',
1178                'filearea'  => 'unittest',
1179                'itemid'    => 99999,
1180                'filepath'  => '/',
1181                'filename'  => 'emailtest.txt'
1182        );
1183        $file = $fs->create_file_from_string($filerecord, 'Test content');
1184
1185        $message = new \core\message\message();
1186        $message->courseid          = 1;
1187        $message->component         = 'moodle';
1188        $message->name              = 'instantmessage';
1189        $message->userfrom          = get_admin();
1190        $message->userto            = $user;
1191        $message->subject           = 'message subject 1';
1192        $message->fullmessage       = 'message body';
1193        $message->fullmessageformat = FORMAT_MARKDOWN;
1194        $message->fullmessagehtml   = '<p>message body</p>';
1195        $message->smallmessage      = 'small message';
1196        $message->attachment        = $file;
1197        $message->attachname        = 'emailtest.txt';
1198        $message->notification      = 0;
1199
1200        // Make sure we are redirecting emails.
1201        $sink = $this->redirectEmails();
1202        message_send($message);
1203
1204        // Get the email that we just sent.
1205        $emails = $sink->get_messages();
1206        $email = reset($emails);
1207        $this->assertTrue(strpos($email->body, 'Content-Disposition: attachment;') !== false);
1208        $this->assertTrue(strpos($email->body, 'emailtest.txt') !== false);
1209
1210        // Check if the stored file still exists after remove the temporary attachment.
1211        $storedfileexists = $fs->file_exists($filerecord['contextid'], $filerecord['component'], $filerecord['filearea'],
1212                                             $filerecord['itemid'], $filerecord['filepath'], $filerecord['filename']);
1213        $this->assertTrue($storedfileexists);
1214    }
1215
1216    public function test_send_message_when_muted() {
1217        $this->preventResetByRollback();
1218        $this->resetAfterTest();
1219
1220        $userfrom = $this->getDataGenerator()->create_user();
1221        $userto = $this->getDataGenerator()->create_user();
1222
1223        // Create a conversation between the users.
1224        $conversation = \core_message\api::create_conversation(
1225            \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
1226            [
1227                $userfrom->id,
1228                $userto->id
1229            ]
1230        );
1231
1232        $message = new \core\message\message();
1233        $message->courseid = 1;
1234        $message->component = 'moodle';
1235        $message->name = 'instantmessage';
1236        $message->userfrom = $userfrom;
1237        $message->convid = $conversation->id;
1238        $message->subject = 'message subject 1';
1239        $message->fullmessage = 'message body';
1240        $message->fullmessageformat = FORMAT_MARKDOWN;
1241        $message->fullmessagehtml = '<p>message body</p>';
1242        $message->smallmessage = 'small message';
1243        $message->notification = '0';
1244
1245        $sink = $this->redirectEmails();
1246        message_send($message);
1247        $emails = $sink->get_messages();
1248        $this->assertCount(1, $emails);
1249        $sink->clear();
1250
1251        // Mute the conversation.
1252        \core_message\api::mute_conversation($userto->id, $conversation->id);
1253
1254        $sink = $this->redirectEmails();
1255        message_send($message);
1256        $emails = $sink->get_messages();
1257        $this->assertCount(0, $emails);
1258        $sink->clear();
1259    }
1260
1261    /**
1262     * Is a particular message type in the list of message types.
1263     * @param string $component
1264     * @param string $name a message name.
1265     * @param array $providers as returned by message_get_providers_for_user.
1266     * @return bool whether the message type is present.
1267     */
1268    protected function message_type_present($component, $name, $providers) {
1269        foreach ($providers as $provider) {
1270            if ($provider->component == $component && $provider->name == $name) {
1271                return true;
1272            }
1273        }
1274        return false;
1275    }
1276}
1277