MDL-69319 mod_lti: replace try/catch with expectException in ext tests
[moodle.git] / mod / lti / tests / externallib_test.php
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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 * External tool module external functions tests
19 *
20 * @package mod_lti
21 * @category external
22 * @copyright 2015 Juan Leyva <juan@moodle.com>
23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24 * @since Moodle 3.0
25 */
26
27defined('MOODLE_INTERNAL') || die();
28
29global $CFG;
30
31require_once($CFG->dirroot . '/webservice/tests/helpers.php');
32require_once($CFG->dirroot . '/mod/lti/lib.php');
33
34/**
35 * External tool module external functions tests
36 *
37 * @package mod_lti
38 * @category external
39 * @copyright 2015 Juan Leyva <juan@moodle.com>
40 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
41 * @since Moodle 3.0
42 */
43class mod_lti_external_testcase extends externallib_advanced_testcase {
44
45 /**
46 * Set up for every test
47 */
48 public function setUp() {
d5ded9e7 49 $this->resetAfterTest();
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50 }
51
52 /**
53 * Sets up some basic test data including course, users, roles, and an lti instance, for use in some tests.
54 * @return array
55 */
56 protected function setup_test_data() {
57 global $DB;
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58 $this->setAdminUser();
59
60 // Setup test data.
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61 $course = $this->getDataGenerator()->create_course();
62 $lti = $this->getDataGenerator()->create_module(
63 'lti',
64 ['course' => $course->id, 'toolurl' => 'http://localhost/not/real/tool.php']
65 );
66 $context = context_module::instance($lti->cmid);
67 $cm = get_coursemodule_from_instance('lti', $lti->id);
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68
69 // Create users.
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70 $student = self::getDataGenerator()->create_user();
71 $teacher = self::getDataGenerator()->create_user();
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72
73 // Users enrolments.
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74 $studentrole = $DB->get_record('role', array('shortname' => 'student'));
75 $teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));
76 $this->getDataGenerator()->enrol_user($student->id, $course->id, $studentrole->id, 'manual');
77 $this->getDataGenerator()->enrol_user($teacher->id, $course->id, $teacherrole->id, 'manual');
78
79 return [
80 'course' => $course,
81 'lti' => $lti,
82 'context' => $context,
83 'cm' => $cm,
84 'student' => $student,
85 'teacher' => $teacher,
86 'studentrole' => $studentrole,
87 'teacherrole' => $teacherrole
88 ];
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89 }
90
91 /**
92 * Test view_lti
93 */
94 public function test_get_tool_launch_data() {
5aff8a78 95 global $USER;
7204d77b 96
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97 [
98 'course' => $course,
99 'lti' => $lti
100 ] = $this->setup_test_data();
101
102 $result = mod_lti_external::get_tool_launch_data($lti->id);
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103 $result = external_api::clean_returnvalue(mod_lti_external::get_tool_launch_data_returns(), $result);
104
105 // Basic test, the function returns what it's expected.
7c7c5286 106 self::assertEquals($lti->toolurl, $result['endpoint']);
7204d77b 107 self::assertCount(36, $result['parameters']);
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108
109 // Check some parameters.
110 $parameters = array();
111 foreach ($result['parameters'] as $param) {
112 $parameters[$param['name']] = $param['value'];
113 }
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114 self::assertEquals($lti->resourcekey, $parameters['oauth_consumer_key']);
115 self::assertEquals($course->fullname, $parameters['context_title']);
116 self::assertEquals($course->shortname, $parameters['context_label']);
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117 self::assertEquals($USER->id, $parameters['user_id']);
118 self::assertEquals($USER->firstname, $parameters['lis_person_name_given']);
119 self::assertEquals($USER->lastname, $parameters['lis_person_name_family']);
120 self::assertEquals(fullname($USER), $parameters['lis_person_name_full']);
121 self::assertEquals($USER->username, $parameters['ext_user_username']);
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122 self::assertEquals("phpunit", $parameters['tool_consumer_instance_name']);
123 self::assertEquals("PHPUnit test site", $parameters['tool_consumer_instance_description']);
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124
125 }
126
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127 /*
128 * Test get ltis by courses
129 */
130 public function test_mod_lti_get_ltis_by_courses() {
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131 [
132 'course' => $course,
133 'lti' => $lti,
134 'student' => $student,
135 'teacher' => $teacher,
136 'studentrole' => $studentrole,
137 ] = $this->setup_test_data();
138
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139 // Create additional course.
140 $course2 = self::getDataGenerator()->create_course();
141
142 // Second lti.
143 $record = new stdClass();
144 $record->course = $course2->id;
145 $lti2 = self::getDataGenerator()->create_module('lti', $record);
146
147 // Execute real Moodle enrolment as we'll call unenrol() method on the instance later.
148 $enrol = enrol_get_plugin('manual');
149 $enrolinstances = enrol_get_instances($course2->id, true);
150 foreach ($enrolinstances as $courseenrolinstance) {
151 if ($courseenrolinstance->enrol == "manual") {
152 $instance2 = $courseenrolinstance;
153 break;
154 }
155 }
7c7c5286 156 $enrol->enrol_user($instance2, $student->id, $studentrole->id);
dfcdec12 157
7c7c5286 158 self::setUser($student);
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159
160 $returndescription = mod_lti_external::get_ltis_by_courses_returns();
161
162 // Create what we expect to be returned when querying the two courses.
163 // First for the student user.
7ef49bd3 164 $expectedfields = array('id', 'coursemodule', 'course', 'name', 'intro', 'introformat', 'introfiles', 'launchcontainer',
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165 'showtitlelaunch', 'showdescriptionlaunch', 'icon', 'secureicon');
166
167 // Add expected coursemodule and data.
7c7c5286 168 $lti1 = $lti;
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169 $lti1->coursemodule = $lti1->cmid;
170 $lti1->introformat = 1;
171 $lti1->section = 0;
172 $lti1->visible = true;
173 $lti1->groupmode = 0;
174 $lti1->groupingid = 0;
7ef49bd3 175 $lti1->introfiles = [];
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176
177 $lti2->coursemodule = $lti2->cmid;
178 $lti2->introformat = 1;
179 $lti2->section = 0;
180 $lti2->visible = true;
181 $lti2->groupmode = 0;
182 $lti2->groupingid = 0;
7ef49bd3 183 $lti2->introfiles = [];
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184
185 foreach ($expectedfields as $field) {
186 $expected1[$field] = $lti1->{$field};
187 $expected2[$field] = $lti2->{$field};
188 }
189
190 $expectedltis = array($expected2, $expected1);
191
192 // Call the external function passing course ids.
7c7c5286 193 $result = mod_lti_external::get_ltis_by_courses(array($course2->id, $course->id));
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194 $result = external_api::clean_returnvalue($returndescription, $result);
195
196 $this->assertEquals($expectedltis, $result['ltis']);
197 $this->assertCount(0, $result['warnings']);
198
199 // Call the external function without passing course id.
200 $result = mod_lti_external::get_ltis_by_courses();
201 $result = external_api::clean_returnvalue($returndescription, $result);
202 $this->assertEquals($expectedltis, $result['ltis']);
203 $this->assertCount(0, $result['warnings']);
204
205 // Unenrol user from second course and alter expected ltis.
7c7c5286 206 $enrol->unenrol_user($instance2, $student->id);
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207 array_shift($expectedltis);
208
209 // Call the external function without passing course id.
210 $result = mod_lti_external::get_ltis_by_courses();
211 $result = external_api::clean_returnvalue($returndescription, $result);
212 $this->assertEquals($expectedltis, $result['ltis']);
213
214 // Call for the second course we unenrolled the user from, expected warning.
215 $result = mod_lti_external::get_ltis_by_courses(array($course2->id));
261400d4 216 $result = external_api::clean_returnvalue($returndescription, $result);
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217 $this->assertCount(1, $result['warnings']);
218 $this->assertEquals('1', $result['warnings'][0]['warningcode']);
219 $this->assertEquals($course2->id, $result['warnings'][0]['itemid']);
220
221 // Now, try as a teacher for getting all the additional fields.
7c7c5286 222 self::setUser($teacher);
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223
224 $additionalfields = array('timecreated', 'timemodified', 'typeid', 'toolurl', 'securetoolurl',
225 'instructorchoicesendname', 'instructorchoicesendemailaddr', 'instructorchoiceallowroster',
226 'instructorchoiceallowsetting', 'instructorcustomparameters', 'instructorchoiceacceptgrades', 'grade',
227 'resourcekey', 'password', 'debuglaunch', 'servicesalt', 'visible', 'groupmode', 'groupingid');
228
229 foreach ($additionalfields as $field) {
230 $expectedltis[0][$field] = $lti1->{$field};
231 }
232
233 $result = mod_lti_external::get_ltis_by_courses();
234 $result = external_api::clean_returnvalue($returndescription, $result);
235 $this->assertEquals($expectedltis, $result['ltis']);
236
237 // Admin also should get all the information.
238 self::setAdminUser();
239
7c7c5286 240 $result = mod_lti_external::get_ltis_by_courses(array($course->id));
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241 $result = external_api::clean_returnvalue($returndescription, $result);
242 $this->assertEquals($expectedltis, $result['ltis']);
243
244 // Now, prohibit capabilities.
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245 $this->setUser($student);
246 $contextcourse1 = context_course::instance($course->id);
dfcdec12 247 // Prohibit capability = mod:lti:view on Course1 for students.
7c7c5286 248 assign_capability('mod/lti:view', CAP_PROHIBIT, $studentrole->id, $contextcourse1->id);
0bf6c0be 249 // Empty all the caches that may be affected by this change.
dfcdec12 250 accesslib_clear_all_caches_for_unit_testing();
0bf6c0be 251 course_modinfo::clear_instance_cache();
dfcdec12 252
7c7c5286 253 $ltis = mod_lti_external::get_ltis_by_courses(array($course->id));
dfcdec12 254 $ltis = external_api::clean_returnvalue(mod_lti_external::get_ltis_by_courses_returns(), $ltis);
0bf6c0be 255 $this->assertCount(0, $ltis['ltis']);
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256 }
257
4bed1682 258 /**
cea2645a 259 * Test view_lti with an invalid instance id.
4bed1682 260 */
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261 public function test_view_lti_invalid_instanceid() {
262 $this->expectException(moodle_exception::class);
263 mod_lti_external::view_lti(0);
264 }
265
266 /**
267 * Test view_lti as a user who is not enrolled in the course.
268 */
269 public function test_view_lti_no_enrolment() {
270 [
271 'lti' => $lti
272 ] = $this->setup_test_data();
273
274 // Test not-enrolled user.
275 $usernotenrolled = self::getDataGenerator()->create_user();
276 $this->setUser($usernotenrolled);
277
278 $this->expectException(moodle_exception::class);
279 mod_lti_external::view_lti($lti->id);
280 }
281
282 /**
283 * Test view_lti for a user without the mod/lti:view capability.
284 */
285 public function test_view_lti_no_capability() {
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286 [
287 'lti' => $lti,
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288 'student' => $student,
289 'studentrole' => $studentrole,
cea2645a 290 'context' => $context,
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291 ] = $this->setup_test_data();
292
cea2645a 293 $this->setUser($student);
4bed1682 294
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295 // We need a explicit prohibit since this capability is only defined in authenticated user and guest roles.
296 assign_capability('mod/lti:view', CAP_PROHIBIT, $studentrole->id, $context->id);
297 // Empty all the caches that may be affected by this change.
298 accesslib_clear_all_caches_for_unit_testing();
299 course_modinfo::clear_instance_cache();
300
301 $this->expectException(moodle_exception::class);
302 mod_lti_external::view_lti($lti->id);
303 }
304
305 /**
306 * Test view_lti for a user with the mod/lti:view capability in the course.
307 */
308 public function test_view_lti() {
309 [
310 'lti' => $lti,
311 'context' => $context,
312 'cm' => $cm,
313 'student' => $student,
314 ] = $this->setup_test_data();
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315
316 // Test user with full capabilities.
7c7c5286 317 $this->setUser($student);
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318
319 // Trigger and capture the event.
320 $sink = $this->redirectEvents();
321
7c7c5286 322 $result = mod_lti_external::view_lti($lti->id);
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323 // The value of the result isn't needed but validation is.
324 external_api::clean_returnvalue(mod_lti_external::view_lti_returns(), $result);
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325
326 $events = $sink->get_events();
327 $this->assertCount(1, $events);
328 $event = array_shift($events);
329
330 // Checking that the event contains the expected values.
331 $this->assertInstanceOf('\mod_lti\event\course_module_viewed', $event);
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332 $this->assertEquals($context, $event->get_context());
333 $moodlelti = new \moodle_url('/mod/lti/view.php', array('id' => $cm->id));
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334 $this->assertEquals($moodlelti, $event->get_url());
335 $this->assertEventContextNotUsed($event);
336 $this->assertNotEmpty($event->get_name());
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337 }
338
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339 /*
340 * Test create tool proxy
341 */
342 public function test_mod_lti_create_tool_proxy() {
7c7c5286 343 $this->setAdminUser();
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344 $capabilities = ['AA', 'BB'];
345 $proxy = mod_lti_external::create_tool_proxy('Test proxy', $this->getExternalTestFileUrl('/test.html'), $capabilities, []);
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346 $proxy = (object) external_api::clean_returnvalue(mod_lti_external::create_tool_proxy_returns(), $proxy);
347
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348 $this->assertEquals('Test proxy', $proxy->name);
349 $this->assertEquals($this->getExternalTestFileUrl('/test.html'), $proxy->regurl);
350 $this->assertEquals(LTI_TOOL_PROXY_STATE_PENDING, $proxy->state);
eb55f72d 351 $this->assertEquals(implode("\n", $capabilities), $proxy->capabilityoffered);
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352 }
353
354 /*
355 * Test create tool proxy with duplicate url
356 */
357 public function test_mod_lti_create_tool_proxy_duplicateurl() {
7c7c5286 358 $this->setAdminUser();
52f3e060 359 $this->expectException('moodle_exception');
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360 mod_lti_external::create_tool_proxy('Test proxy 1', $this->getExternalTestFileUrl('/test.html'), array(), array());
361 mod_lti_external::create_tool_proxy('Test proxy 2', $this->getExternalTestFileUrl('/test.html'), array(), array());
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362 }
363
364 /*
365 * Test create tool proxy without sufficient capability
366 */
367 public function test_mod_lti_create_tool_proxy_without_capability() {
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368 $course = $this->getDataGenerator()->create_course();
369 $teacher = $this->getDataGenerator()->create_and_enrol($course, 'editingteacher');
370 $this->setUser($teacher);
52f3e060 371 $this->expectException('required_capability_exception');
5aff8a78 372 mod_lti_external::create_tool_proxy('Test proxy', $this->getExternalTestFileUrl('/test.html'), array(), array());
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373 }
374
375 /*
376 * Test delete tool proxy
377 */
378 public function test_mod_lti_delete_tool_proxy() {
7c7c5286 379 $this->setAdminUser();
af9d3a92 380 $proxy = mod_lti_external::create_tool_proxy('Test proxy', $this->getExternalTestFileUrl('/test.html'), array(), array());
261400d4 381 $proxy = (object) external_api::clean_returnvalue(mod_lti_external::create_tool_proxy_returns(), $proxy);
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382 $this->assertNotEmpty(lti_get_tool_proxy($proxy->id));
383
384 $proxy = mod_lti_external::delete_tool_proxy($proxy->id);
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385 $proxy = (object) external_api::clean_returnvalue(mod_lti_external::delete_tool_proxy_returns(), $proxy);
386
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387 $this->assertEquals('Test proxy', $proxy->name);
388 $this->assertEquals($this->getExternalTestFileUrl('/test.html'), $proxy->regurl);
389 $this->assertEquals(LTI_TOOL_PROXY_STATE_PENDING, $proxy->state);
390 $this->assertEmpty(lti_get_tool_proxy($proxy->id));
391 }
392
393 /*
394 * Test get tool proxy registration request
395 */
396 public function test_mod_lti_get_tool_proxy_registration_request() {
7c7c5286 397 $this->setAdminUser();
af9d3a92 398 $proxy = mod_lti_external::create_tool_proxy('Test proxy', $this->getExternalTestFileUrl('/test.html'), array(), array());
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399 $proxy = (object) external_api::clean_returnvalue(mod_lti_external::create_tool_proxy_returns(), $proxy);
400
af9d3a92 401 $request = mod_lti_external::get_tool_proxy_registration_request($proxy->id);
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402 $request = external_api::clean_returnvalue(mod_lti_external::get_tool_proxy_registration_request_returns(),
403 $request);
404
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405 $this->assertEquals('ToolProxyRegistrationRequest', $request['lti_message_type']);
406 $this->assertEquals('LTI-2p0', $request['lti_version']);
407 }
408
409 /*
410 * Test get tool types
411 */
412 public function test_mod_lti_get_tool_types() {
413 // Create a tool proxy.
7c7c5286 414 $this->setAdminUser();
af9d3a92 415 $proxy = mod_lti_external::create_tool_proxy('Test proxy', $this->getExternalTestFileUrl('/test.html'), array(), array());
261400d4 416 $proxy = (object) external_api::clean_returnvalue(mod_lti_external::create_tool_proxy_returns(), $proxy);
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417
418 // Create a tool type, associated with that proxy.
419 $type = new stdClass();
420 $data = new stdClass();
421 $type->state = LTI_TOOL_STATE_CONFIGURED;
422 $type->name = "Test tool";
423 $type->description = "Example description";
424 $type->toolproxyid = $proxy->id;
425 $type->baseurl = $this->getExternalTestFileUrl('/test.html');
5aff8a78 426 lti_add_type($type, $data);
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427
428 $types = mod_lti_external::get_tool_types($proxy->id);
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429 $types = external_api::clean_returnvalue(mod_lti_external::get_tool_types_returns(), $types);
430
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431 $this->assertEquals(1, count($types));
432 $type = $types[0];
433 $this->assertEquals('Test tool', $type['name']);
434 $this->assertEquals('Example description', $type['description']);
435 }
436
437 /*
438 * Test create tool type
439 */
440 public function test_mod_lti_create_tool_type() {
7c7c5286 441 $this->setAdminUser();
af9d3a92 442 $type = mod_lti_external::create_tool_type($this->getExternalTestFileUrl('/ims_cartridge_basic_lti_link.xml'), '', '');
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443 $type = external_api::clean_returnvalue(mod_lti_external::create_tool_type_returns(), $type);
444
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445 $this->assertEquals('Example tool', $type['name']);
446 $this->assertEquals('Example tool description', $type['description']);
a6529e04 447 $this->assertEquals('https://download.moodle.org/unittest/test.jpg', $type['urls']['icon']);
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448 $typeentry = lti_get_type($type['id']);
449 $this->assertEquals('http://www.example.com/lti/provider.php', $typeentry->baseurl);
450 $config = lti_get_type_config($type['id']);
451 $this->assertTrue(isset($config['sendname']));
452 $this->assertTrue(isset($config['sendemailaddr']));
453 $this->assertTrue(isset($config['acceptgrades']));
454 $this->assertTrue(isset($config['forcessl']));
455 }
456
457 /*
458 * Test create tool type failure from non existant file
459 */
460 public function test_mod_lti_create_tool_type_nonexistant_file() {
52f3e060 461 $this->expectException('moodle_exception');
5aff8a78 462 mod_lti_external::create_tool_type($this->getExternalTestFileUrl('/doesntexist.xml'), '', '');
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463 }
464
465 /*
466 * Test create tool type failure from xml that is not a cartridge
467 */
468 public function test_mod_lti_create_tool_type_bad_file() {
52f3e060 469 $this->expectException('moodle_exception');
5aff8a78 470 mod_lti_external::create_tool_type($this->getExternalTestFileUrl('/rsstest.xml'), '', '');
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471 }
472
473 /*
474 * Test creating of tool types without sufficient capability
475 */
476 public function test_mod_lti_create_tool_type_without_capability() {
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477 $course = $this->getDataGenerator()->create_course();
478 $teacher = $this->getDataGenerator()->create_and_enrol($course, 'editingteacher');
479 $this->setUser($teacher);
52f3e060 480 $this->expectException('required_capability_exception');
5aff8a78 481 mod_lti_external::create_tool_type($this->getExternalTestFileUrl('/ims_cartridge_basic_lti_link.xml'), '', '');
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482 }
483
484 /*
485 * Test update tool type
486 */
487 public function test_mod_lti_update_tool_type() {
7c7c5286 488 $this->setAdminUser();
af9d3a92 489 $type = mod_lti_external::create_tool_type($this->getExternalTestFileUrl('/ims_cartridge_basic_lti_link.xml'), '', '');
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490 $type = external_api::clean_returnvalue(mod_lti_external::create_tool_type_returns(), $type);
491
af9d3a92 492 $type = mod_lti_external::update_tool_type($type['id'], 'New name', 'New description', LTI_TOOL_STATE_PENDING);
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493 $type = external_api::clean_returnvalue(mod_lti_external::update_tool_type_returns(), $type);
494
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495 $this->assertEquals('New name', $type['name']);
496 $this->assertEquals('New description', $type['description']);
497 $this->assertEquals('Pending', $type['state']['text']);
498 }
499
500 /*
501 * Test delete tool type
502 */
503 public function test_mod_lti_delete_tool_type() {
7c7c5286 504 $this->setAdminUser();
af9d3a92 505 $type = mod_lti_external::create_tool_type($this->getExternalTestFileUrl('/ims_cartridge_basic_lti_link.xml'), '', '');
261400d4 506 $type = external_api::clean_returnvalue(mod_lti_external::create_tool_type_returns(), $type);
af9d3a92 507 $this->assertNotEmpty(lti_get_type($type['id']));
261400d4 508
af9d3a92 509 $type = mod_lti_external::delete_tool_type($type['id']);
261400d4 510 $type = external_api::clean_returnvalue(mod_lti_external::delete_tool_type_returns(), $type);
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511 $this->assertEmpty(lti_get_type($type['id']));
512 }
513
514 /*
515 * Test delete tool type without sufficient capability
516 */
517 public function test_mod_lti_delete_tool_type_without_capability() {
7c7c5286 518 $this->setAdminUser();
af9d3a92 519 $type = mod_lti_external::create_tool_type($this->getExternalTestFileUrl('/ims_cartridge_basic_lti_link.xml'), '', '');
261400d4 520 $type = external_api::clean_returnvalue(mod_lti_external::create_tool_type_returns(), $type);
af9d3a92 521 $this->assertNotEmpty(lti_get_type($type['id']));
52f3e060 522 $this->expectException('required_capability_exception');
7c7c5286
JD
523 $course = $this->getDataGenerator()->create_course();
524 $teacher = $this->getDataGenerator()->create_and_enrol($course, 'editingteacher');
525 $this->setUser($teacher);
5aff8a78 526 mod_lti_external::delete_tool_type($type['id']);
af9d3a92
JO
527 }
528
529 /*
530 * Test is cartridge
531 */
532 public function test_mod_lti_is_cartridge() {
7c7c5286 533 $this->setAdminUser();
af9d3a92 534 $result = mod_lti_external::is_cartridge($this->getExternalTestFileUrl('/ims_cartridge_basic_lti_link.xml'));
261400d4 535 $result = external_api::clean_returnvalue(mod_lti_external::is_cartridge_returns(), $result);
af9d3a92 536 $this->assertTrue($result['iscartridge']);
261400d4 537
af9d3a92 538 $result = mod_lti_external::is_cartridge($this->getExternalTestFileUrl('/test.html'));
261400d4 539 $result = external_api::clean_returnvalue(mod_lti_external::is_cartridge_returns(), $result);
af9d3a92
JO
540 $this->assertFalse($result['iscartridge']);
541 }
d5ded9e7 542}