MDL-70153 qtype_essay: Add behat test for attachments max size
[moodle.git] / question / engine / tests / unitofwork_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 * This file contains tests for the question_engine_unit_of_work class.
19 *
20 * @package moodlecore
21 * @subpackage questionengine
22 * @copyright 2012 The Open University
23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24 */
25
26
27defined('MOODLE_INTERNAL') || die();
28
29global $CFG;
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30require_once(__DIR__ . '/../lib.php');
31require_once(__DIR__ . '/helpers.php');
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32
33
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34/**
35 * Unit tests for the {@link question_engine_unit_of_work} class.
36 *
37 * @copyright 2012 The Open University
38 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
39 */
40class question_engine_unit_of_work_test extends data_loading_method_test_base {
41 /** @var question_usage_by_activity the test question usage. */
42 protected $quba;
43
44 /** @var int the slot number of the one qa in the test usage.*/
45 protected $slot;
46
47 /** @var testable_question_engine_unit_of_work the unit of work we are testing. */
48 protected $observer;
49
d81a9480 50 protected function setUp(): void {
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51 // Create a usage in an initial state, with one shortanswer question added,
52 // and attempted in interactive mode submitted responses 'toad' then 'frog'.
53 // Then set it to use a new unit of work for any subsequent changes.
54 // Create a short answer question.
55 $question = test_question_maker::make_question('shortanswer');
56 $question->hints = array(
57 new question_hint(0, 'This is the first hint.', FORMAT_HTML),
58 new question_hint(0, 'This is the second hint.', FORMAT_HTML),
59 );
60 $question->id = -1;
61 question_bank::start_unit_test();
62 question_bank::load_test_question_data($question);
63
64 $this->setup_initial_test_state($this->get_test_data());
65 }
66
d81a9480 67 public function tearDown(): void {
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68 question_bank::end_unit_test();
69 }
70
71 protected function setup_initial_test_state($testdata) {
72 $records = new question_test_recordset($testdata);
73
74 $this->quba = question_usage_by_activity::load_from_records($records, 1);
75
76 $this->slot = 1;
77 $this->observer = new testable_question_engine_unit_of_work($this->quba);
78 $this->quba->set_observer($this->observer);
79 }
80
81 protected function get_test_data() {
82 return array(
83 array('qubaid', 'contextid', 'component', 'preferredbehaviour',
84 'questionattemptid', 'contextid', 'questionusageid', 'slot',
4e3d8293 85 'behaviour', 'questionid', 'variant', 'maxmark', 'minfraction', 'maxfraction', 'flagged',
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86 'questionsummary', 'rightanswer', 'responsesummary', 'timemodified',
87 'attemptstepid', 'sequencenumber', 'state', 'fraction',
88 'timecreated', 'userid', 'name', 'value'),
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89 array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 1, 0, 'todo', null, 1256233700, 1, '-_triesleft', 3),
90 array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 2, 1, 'todo', null, 1256233720, 1, 'answer', 'toad'),
91 array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 2, 1, 'todo', null, 1256233720, 1, '-submit', 1),
92 array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 2, 1, 'todo', null, 1256233720, 1, '-_triesleft', 1),
93 array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 3, 2, 'todo', null, 1256233740, 1, '-tryagain', 1),
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94 array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 5, 3, 'gradedright', 0.6666667, 1256233790, 1, 'answer', 'frog'),
95 array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 5, 3, 'gradedright', 0.6666667, 1256233790, 1, '-submit', 1),
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96 );
97 }
98
99 public function test_initial_state() {
100 $this->assertFalse($this->observer->get_modified());
101 $this->assertEquals(0, count($this->observer->get_attempts_added()));
102 $this->assertEquals(0, count($this->observer->get_attempts_modified()));
103 $this->assertEquals(0, count($this->observer->get_steps_added()));
104 $this->assertEquals(0, count($this->observer->get_steps_modified()));
105 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
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106 $this->assertEquals(0, count($this->observer->get_metadata_added()));
107 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
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108 }
109
110 public function test_update_usage() {
111
112 $this->quba->set_preferred_behaviour('deferredfeedback');
113
114 $this->assertTrue($this->observer->get_modified());
115 }
116
117 public function test_add_question() {
118
119 $slot = $this->quba->add_question(test_question_maker::make_question('truefalse'));
120
121 $newattempts = $this->observer->get_attempts_added();
122 $this->assertEquals(1, count($newattempts));
123 $this->assertTrue($this->quba->get_question_attempt($slot) === reset($newattempts));
124 $this->assertSame($slot, key($newattempts));
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125
126 $this->assertEquals(0, count($this->observer->get_metadata_added()));
127 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
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128 }
129
130 public function test_add_and_start_question() {
131
132 $slot = $this->quba->add_question(test_question_maker::make_question('truefalse'));
133 $this->quba->start_question($slot);
134
135 // The point here is that, although we have added a step, it is not listed
136 // separately becuase it is part of a newly added attempt, and all steps
137 // for a newly added attempt are automatically added to the DB, so it does
138 // not need to be tracked separately.
139 $newattempts = $this->observer->get_attempts_added();
140 $this->assertEquals(1, count($newattempts));
141 $this->assertTrue($this->quba->get_question_attempt($slot) === reset($newattempts));
142 $this->assertSame($slot, key($newattempts));
143 $this->assertEquals(0, count($this->observer->get_steps_added()));
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144
145 $this->assertEquals(0, count($this->observer->get_metadata_added()));
146 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
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147 }
148
149 public function test_process_action() {
150
770e4a46 151 $this->quba->manual_grade($this->slot, 'Actually, that is not quite right', 0.5, FORMAT_HTML);
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152
153 // Here, however, were we are adding a step to an existing qa, we do need to track that.
154 $this->assertEquals(0, count($this->observer->get_attempts_added()));
155
156 $updatedattempts = $this->observer->get_attempts_modified();
157 $this->assertEquals(1, count($updatedattempts));
158
159 $updatedattempt = reset($updatedattempts);
160 $this->assertTrue($this->quba->get_question_attempt($this->slot) === $updatedattempt);
161 $this->assertSame($this->slot, key($updatedattempts));
162
163 $newsteps = $this->observer->get_steps_added();
164 $this->assertEquals(1, count($newsteps));
165
166 list($newstep, $qaid, $seq) = reset($newsteps);
167 $this->assertSame($this->quba->get_question_attempt($this->slot)->get_last_step(), $newstep);
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168
169 $this->assertEquals(0, count($this->observer->get_metadata_added()));
170 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
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171 }
172
173 public function test_regrade_same_steps() {
174
175 // Change the question in a minor way and regrade.
64207dab 176 $this->quba->get_question($this->slot, false)->answers[14]->fraction = 0.5;
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177 $this->quba->regrade_all_questions();
178
179 // Here, the qa, and all the steps, should be marked as updated.
180 // Here, however, were we are adding a step to an existing qa, we do need to track that.
181 $this->assertEquals(0, count($this->observer->get_attempts_added()));
182 $this->assertEquals(0, count($this->observer->get_steps_added()));
183 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
184
185 $updatedattempts = $this->observer->get_attempts_modified();
186 $this->assertEquals(1, count($updatedattempts));
187
188 $updatedattempt = reset($updatedattempts);
189 $this->assertTrue($this->quba->get_question_attempt($this->slot) === $updatedattempt);
190
191 $updatedsteps = $this->observer->get_steps_modified();
192 $this->assertEquals($updatedattempt->get_num_steps(), count($updatedsteps));
193
194 foreach ($updatedattempt->get_step_iterator() as $seq => $step) {
195 $this->assertSame(array($step, $updatedattempt->get_database_id(), $seq),
196 $updatedsteps[$seq]);
197 }
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198
199 $this->assertEquals(0, count($this->observer->get_metadata_added()));
200 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
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201 }
202
203 public function test_regrade_losing_steps() {
204
205 // Change the question so that 'toad' is also right, and regrade. This
206 // will mean that the try again, and second try states are no longer
207 // needed, so they should be dropped.
64207dab 208 $this->quba->get_question($this->slot, false)->answers[14]->fraction = 1;
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209 $this->quba->regrade_all_questions();
210
211 $this->assertEquals(0, count($this->observer->get_attempts_added()));
212 $this->assertEquals(0, count($this->observer->get_steps_added()));
213
214 $updatedattempts = $this->observer->get_attempts_modified();
215 $this->assertEquals(1, count($updatedattempts));
216
217 $updatedattempt = reset($updatedattempts);
218 $this->assertTrue($this->quba->get_question_attempt($this->slot) === $updatedattempt);
219
220 $updatedsteps = $this->observer->get_steps_modified();
221 $this->assertEquals($updatedattempt->get_num_steps(), count($updatedsteps));
222
223 foreach ($updatedattempt->get_step_iterator() as $seq => $step) {
224 $this->assertSame(array($step, $updatedattempt->get_database_id(), $seq),
225 $updatedsteps[$seq]);
226 }
227
228 $deletedsteps = $this->observer->get_steps_deleted();
229 $this->assertEquals(2, count($deletedsteps));
230
231 $firstdeletedstep = reset($deletedsteps);
232 $this->assertEquals(array('-tryagain' => 1), $firstdeletedstep->get_all_data());
233
234 $seconddeletedstep = end($deletedsteps);
bf92acc2 235 $this->assertEquals(array('answer' => 'frog', '-submit' => 1),
603bd001 236 $seconddeletedstep->get_all_data());
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237
238 $this->assertEquals(0, count($this->observer->get_metadata_added()));
239 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
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240 }
241
242 public function test_tricky_regrade() {
243
244 // The tricky thing here is that we take a half-complete question-attempt,
245 // and then as one transaction, we submit some more responses, and then
246 // change the question attempt as in test_regrade_losing_steps, and regrade
247 // before the steps are even written to the database the first time.
248 $somedata = $this->get_test_data();
249 $somedata = array_slice($somedata, 0, 5);
250 $this->setup_initial_test_state($somedata);
251
252 $this->quba->process_action($this->slot, array('-tryagain' => 1));
253 $this->quba->process_action($this->slot, array('answer' => 'frog', '-submit' => 1));
254 $this->quba->finish_all_questions();
255
64207dab 256 $this->quba->get_question($this->slot, false)->answers[14]->fraction = 1;
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257 $this->quba->regrade_all_questions();
258
259 $this->assertEquals(0, count($this->observer->get_attempts_added()));
260
261 $updatedattempts = $this->observer->get_attempts_modified();
262 $this->assertEquals(1, count($updatedattempts));
263
264 $updatedattempt = reset($updatedattempts);
265 $this->assertTrue($this->quba->get_question_attempt($this->slot) === $updatedattempt);
266
267 $this->assertEquals(0, count($this->observer->get_steps_added()));
268
269 $updatedsteps = $this->observer->get_steps_modified();
270 $this->assertEquals($updatedattempt->get_num_steps(), count($updatedsteps));
271
272 foreach ($updatedattempt->get_step_iterator() as $seq => $step) {
273 $this->assertSame(array($step, $updatedattempt->get_database_id(), $seq),
274 $updatedsteps[$seq]);
275 }
276
277 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
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278
279 $this->assertEquals(0, count($this->observer->get_metadata_added()));
280 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
281 }
282
283 public function test_move_question() {
284
285 $q = test_question_maker::make_question('truefalse');
286 $newslot = $this->quba->add_question_in_place_of_other($this->slot, $q);
287 $this->quba->start_question($this->slot);
288
289 $addedattempts = $this->observer->get_attempts_added();
290 $this->assertEquals(1, count($addedattempts));
291 $addedattempt = reset($addedattempts);
292 $this->assertSame($this->quba->get_question_attempt($this->slot), $addedattempt);
293
294 $updatedattempts = $this->observer->get_attempts_modified();
295 $this->assertEquals(1, count($updatedattempts));
296 $updatedattempt = reset($updatedattempts);
297 $this->assertSame($this->quba->get_question_attempt($newslot), $updatedattempt);
298
299 $this->assertEquals(0, count($this->observer->get_steps_added()));
300 $this->assertEquals(0, count($this->observer->get_steps_modified()));
301 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
302
303 $this->assertEquals(0, count($this->observer->get_metadata_added()));
304 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
305 }
306
307 public function test_move_question_then_modify() {
308
309 $q = test_question_maker::make_question('truefalse');
310 $newslot = $this->quba->add_question_in_place_of_other($this->slot, $q);
311 $this->quba->start_question($this->slot);
312 $this->quba->process_action($this->slot, array('answer' => 'frog', '-submit' => 1));
313 $this->quba->manual_grade($newslot, 'Test', 0.5, FORMAT_HTML);
314
315 $addedattempts = $this->observer->get_attempts_added();
316 $this->assertEquals(1, count($addedattempts));
317 $addedattempt = reset($addedattempts);
318 $this->assertSame($this->quba->get_question_attempt($this->slot), $addedattempt);
319
320 $updatedattempts = $this->observer->get_attempts_modified();
321 $this->assertEquals(1, count($updatedattempts));
322 $updatedattempt = reset($updatedattempts);
323 $this->assertSame($this->quba->get_question_attempt($newslot), $updatedattempt);
324
325 $newsteps = $this->observer->get_steps_added();
326 $this->assertEquals(1, count($newsteps));
327 list($newstep, $qaid, $seq) = reset($newsteps);
328 $this->assertSame($this->quba->get_question_attempt($newslot)->get_last_step(), $newstep);
329
330 $this->assertEquals(0, count($this->observer->get_steps_modified()));
331 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
332
333 $this->assertEquals(0, count($this->observer->get_metadata_added()));
334 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
335 }
336
337 public function test_move_question_then_move_again() {
338 $originalqa = $this->quba->get_question_attempt($this->slot);
339
340 $q1 = test_question_maker::make_question('truefalse');
341 $newslot = $this->quba->add_question_in_place_of_other($this->slot, $q1);
342 $this->quba->start_question($this->slot);
343
344 $q2 = test_question_maker::make_question('truefalse');
345 $newslot2 = $this->quba->add_question_in_place_of_other($newslot, $q2);
346 $this->quba->start_question($newslot);
347
348 $addedattempts = $this->observer->get_attempts_added();
349 $this->assertEquals(2, count($addedattempts));
350
351 $updatedattempts = $this->observer->get_attempts_modified();
352 $this->assertEquals(1, count($updatedattempts));
353 $updatedattempt = reset($updatedattempts);
354 $this->assertSame($originalqa, $updatedattempt);
355
356 $this->assertEquals(0, count($this->observer->get_steps_added()));
357 $this->assertEquals(0, count($this->observer->get_steps_modified()));
358 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
359
360 $this->assertEquals(0, count($this->observer->get_metadata_added()));
361 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
362 }
363
364 public function test_set_max_mark() {
365 $this->quba->set_max_mark($this->slot, 6.0);
46606b3d 366 $this->assertEqualsWithDelta(4.0, $this->quba->get_total_mark(), 0.0000005);
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367
368 $this->assertEquals(0, count($this->observer->get_attempts_added()));
369
370 $updatedattempts = $this->observer->get_attempts_modified();
371 $this->assertEquals(1, count($updatedattempts));
372 $updatedattempt = reset($updatedattempts);
373 $this->assertSame($this->quba->get_question_attempt($this->slot), $updatedattempt);
374
375 $this->assertEquals(0, count($this->observer->get_steps_added()));
376 $this->assertEquals(0, count($this->observer->get_steps_modified()));
377 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
378
379 $this->assertEquals(0, count($this->observer->get_metadata_added()));
380 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
381 }
382
383 public function test_set_question_attempt_metadata() {
384 $this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
385 $this->assertEquals('a value', $this->quba->get_question_attempt_metadata($this->slot, 'metathingy'));
386
387 $this->assertEquals(0, count($this->observer->get_attempts_added()));
388 $this->assertEquals(0, count($this->observer->get_attempts_modified()));
389
390 $this->assertEquals(0, count($this->observer->get_steps_added()));
391 $this->assertEquals(0, count($this->observer->get_steps_modified()));
392 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
393
394 $this->assertEquals(array($this->slot => array('metathingy' => $this->quba->get_question_attempt($this->slot))),
395 $this->observer->get_metadata_added());
396 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
397 }
398
399 public function test_set_question_attempt_metadata_then_change() {
400 $this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
401 $this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'different value');
402 $this->assertEquals('different value', $this->quba->get_question_attempt_metadata($this->slot, 'metathingy'));
403
404 $this->assertEquals(0, count($this->observer->get_attempts_added()));
405 $this->assertEquals(0, count($this->observer->get_attempts_modified()));
406
407 $this->assertEquals(0, count($this->observer->get_steps_added()));
408 $this->assertEquals(0, count($this->observer->get_steps_modified()));
409 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
410
411 $this->assertEquals(array($this->slot => array('metathingy' => $this->quba->get_question_attempt($this->slot))),
412 $this->observer->get_metadata_added());
413 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
414 }
415
416 public function test_set_metadata_previously_set_but_dont_actually_change() {
417 $this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
418 $this->observer = new testable_question_engine_unit_of_work($this->quba);
419 $this->quba->set_observer($this->observer);
420 $this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
421 $this->assertEquals('a value', $this->quba->get_question_attempt_metadata($this->slot, 'metathingy'));
422
423 $this->assertEquals(0, count($this->observer->get_attempts_added()));
424 $this->assertEquals(0, count($this->observer->get_attempts_modified()));
425
426 $this->assertEquals(0, count($this->observer->get_steps_added()));
427 $this->assertEquals(0, count($this->observer->get_steps_modified()));
428 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
429
430 $this->assertEquals(0, count($this->observer->get_metadata_added()));
431 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
432 }
433
434 public function test_set_metadata_previously_set() {
435 $this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
436 $this->observer = new testable_question_engine_unit_of_work($this->quba);
437 $this->quba->set_observer($this->observer);
438 $this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'different value');
439 $this->assertEquals('different value', $this->quba->get_question_attempt_metadata($this->slot, 'metathingy'));
440
441 $this->assertEquals(0, count($this->observer->get_attempts_added()));
442 $this->assertEquals(0, count($this->observer->get_attempts_modified()));
443
444 $this->assertEquals(0, count($this->observer->get_steps_added()));
445 $this->assertEquals(0, count($this->observer->get_steps_modified()));
446 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
447
448 $this->assertEquals(0, count($this->observer->get_metadata_added()));
449 $this->assertEquals(array($this->slot => array('metathingy' => $this->quba->get_question_attempt($this->slot))),
450 $this->observer->get_metadata_modified());
451 }
452
453 public function test_set_metadata_in_new_question() {
454 $newslot = $this->quba->add_question(test_question_maker::make_question('truefalse'));
455 $this->quba->start_question($newslot);
456 $this->quba->set_question_attempt_metadata($newslot, 'metathingy', 'a value');
457 $this->assertEquals('a value', $this->quba->get_question_attempt_metadata($newslot, 'metathingy'));
458
459 $this->assertEquals(array($newslot => $this->quba->get_question_attempt($newslot)),
460 $this->observer->get_attempts_added());
461 $this->assertEquals(0, count($this->observer->get_attempts_modified()));
462
463 $this->assertEquals(0, count($this->observer->get_steps_added()));
464 $this->assertEquals(0, count($this->observer->get_steps_modified()));
465 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
466
467 $this->assertEquals(0, count($this->observer->get_metadata_added()));
468 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
469 }
470
471 public function test_set_metadata_then_move() {
472 $this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
473 $q = test_question_maker::make_question('truefalse');
474 $newslot = $this->quba->add_question_in_place_of_other($this->slot, $q);
475 $this->quba->start_question($this->slot);
476 $this->assertEquals('a value', $this->quba->get_question_attempt_metadata($newslot, 'metathingy'));
477
478 $this->assertEquals(array($this->slot => $this->quba->get_question_attempt($this->slot)),
479 $this->observer->get_attempts_added());
480 $this->assertEquals(array($newslot => $this->quba->get_question_attempt($newslot)),
481 $this->observer->get_attempts_modified());
482
483 $this->assertEquals(0, count($this->observer->get_steps_added()));
484 $this->assertEquals(0, count($this->observer->get_steps_modified()));
485 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
486
487 $this->assertEquals(array($newslot => array('metathingy' => $this->quba->get_question_attempt($newslot))),
488 $this->observer->get_metadata_added());
489 $this->assertEquals(0, count($this->observer->get_metadata_modified()));
490 }
491
492 public function test_move_then_set_metadata() {
493 $q = test_question_maker::make_question('truefalse');
494 $newslot = $this->quba->add_question_in_place_of_other($this->slot, $q);
495 $this->quba->start_question($this->slot);
496 $this->quba->set_question_attempt_metadata($newslot, 'metathingy', 'a value');
497 $this->assertEquals('a value', $this->quba->get_question_attempt_metadata($newslot, 'metathingy'));
498
499 $this->assertEquals(array($this->slot => $this->quba->get_question_attempt($this->slot)),
500 $this->observer->get_attempts_added());
501 $this->assertEquals(array($newslot => $this->quba->get_question_attempt($newslot)),
502 $this->observer->get_attempts_modified());
503
504 $this->assertEquals(0, count($this->observer->get_steps_added()));
505 $this->assertEquals(0, count($this->observer->get_steps_modified()));
506 $this->assertEquals(0, count($this->observer->get_steps_deleted()));
507
508 $this->assertEquals(array($newslot => array('metathingy' => $this->quba->get_question_attempt($newslot))),
509 $this->observer->get_metadata_added());
603bd001
PS
510 }
511}