Merge branch 'MDL-38757-master-int' of git://github.com/FMCorz/moodle
[moodle.git] / lib / tests / formslib_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 * Unit tests for /lib/formslib.php.
19 *
20 * @package core_form
21 * @category phpunit
22 * @copyright 2011 Sam Hemelryk
23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24 */
25
26defined('MOODLE_INTERNAL') || die();
27
28global $CFG;
29require_once($CFG->libdir . '/formslib.php');
30require_once($CFG->libdir . '/form/radio.php');
31require_once($CFG->libdir . '/form/select.php');
32require_once($CFG->libdir . '/form/text.php');
33
34
b7d20148 35class formslib_testcase extends advanced_testcase {
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36
37 public function test_require_rule() {
38 global $CFG;
39
40 $strictformsrequired = null;
41 if (isset($CFG->strictformsrequired)) {
42 $strictformsrequired = $CFG->strictformsrequired;
43 }
44
45 $rule = new MoodleQuickForm_Rule_Required();
46
47 // First run the tests with strictformsrequired off
48 $CFG->strictformsrequired = false;
49 // Passes
50 $this->assertTrue($rule->validate('Something'));
51 $this->assertTrue($rule->validate("Something\nmore"));
52 $this->assertTrue($rule->validate("\nmore"));
53 $this->assertTrue($rule->validate(" more "));
54 $this->assertTrue($rule->validate("0"));
55 $this->assertTrue($rule->validate(0));
56 $this->assertTrue($rule->validate(true));
57 $this->assertTrue($rule->validate(' '));
58 $this->assertTrue($rule->validate(' '));
59 $this->assertTrue($rule->validate("\t"));
60 $this->assertTrue($rule->validate("\n"));
61 $this->assertTrue($rule->validate("\r"));
62 $this->assertTrue($rule->validate("\r\n"));
63 $this->assertTrue($rule->validate(" \t \n \r "));
64 $this->assertTrue($rule->validate('<p></p>'));
65 $this->assertTrue($rule->validate('<p> </p>'));
66 $this->assertTrue($rule->validate('<p>x</p>'));
67 $this->assertTrue($rule->validate('<img src="smile.jpg" alt="smile" />'));
68 $this->assertTrue($rule->validate('<img src="smile.jpg" alt="smile"/>'));
69 $this->assertTrue($rule->validate('<img src="smile.jpg" alt="smile"></img>'));
70 $this->assertTrue($rule->validate('<hr />'));
71 $this->assertTrue($rule->validate('<hr/>'));
72 $this->assertTrue($rule->validate('<hr>'));
73 $this->assertTrue($rule->validate('<hr></hr>'));
74 $this->assertTrue($rule->validate('<br />'));
75 $this->assertTrue($rule->validate('<br/>'));
76 $this->assertTrue($rule->validate('<br>'));
77 $this->assertTrue($rule->validate('&nbsp;'));
78 // Fails
79 $this->assertFalse($rule->validate(''));
80 $this->assertFalse($rule->validate(false));
81 $this->assertFalse($rule->validate(null));
82
83 // Now run the same tests with it on to make sure things work as expected
84 $CFG->strictformsrequired = true;
85 // Passes
86 $this->assertTrue($rule->validate('Something'));
87 $this->assertTrue($rule->validate("Something\nmore"));
88 $this->assertTrue($rule->validate("\nmore"));
89 $this->assertTrue($rule->validate(" more "));
90 $this->assertTrue($rule->validate("0"));
91 $this->assertTrue($rule->validate(0));
92 $this->assertTrue($rule->validate(true));
93 $this->assertTrue($rule->validate('<p>x</p>'));
94 $this->assertTrue($rule->validate('<img src="smile.jpg" alt="smile" />'));
95 $this->assertTrue($rule->validate('<img src="smile.jpg" alt="smile"/>'));
96 $this->assertTrue($rule->validate('<img src="smile.jpg" alt="smile"></img>'));
97 $this->assertTrue($rule->validate('<hr />'));
98 $this->assertTrue($rule->validate('<hr/>'));
99 $this->assertTrue($rule->validate('<hr>'));
100 $this->assertTrue($rule->validate('<hr></hr>'));
101 // Fails
102 $this->assertFalse($rule->validate(' '));
103 $this->assertFalse($rule->validate(' '));
104 $this->assertFalse($rule->validate("\t"));
105 $this->assertFalse($rule->validate("\n"));
106 $this->assertFalse($rule->validate("\r"));
107 $this->assertFalse($rule->validate("\r\n"));
108 $this->assertFalse($rule->validate(" \t \n \r "));
109 $this->assertFalse($rule->validate('<p></p>'));
110 $this->assertFalse($rule->validate('<p> </p>'));
111 $this->assertFalse($rule->validate('<br />'));
112 $this->assertFalse($rule->validate('<br/>'));
113 $this->assertFalse($rule->validate('<br>'));
114 $this->assertFalse($rule->validate('&nbsp;'));
115 $this->assertFalse($rule->validate(''));
116 $this->assertFalse($rule->validate(false));
117 $this->assertFalse($rule->validate(null));
118
119 if (isset($strictformsrequired)) {
120 $CFG->strictformsrequired = $strictformsrequired;
121 }
122 }
123
124 public function test_generate_id_select() {
125 $el = new MoodleQuickForm_select('choose_one', 'Choose one',
126 array(1 => 'One', '2' => 'Two'));
127 $el->_generateId();
128 $this->assertEquals('id_choose_one', $el->getAttribute('id'));
129 }
130
131 public function test_generate_id_like_repeat() {
132 $el = new MoodleQuickForm_text('text[7]', 'Type something');
133 $el->_generateId();
134 $this->assertEquals('id_text_7', $el->getAttribute('id'));
135 }
136
137 public function test_can_manually_set_id() {
138 $el = new MoodleQuickForm_text('elementname', 'Type something',
139 array('id' => 'customelementid'));
140 $el->_generateId();
141 $this->assertEquals('customelementid', $el->getAttribute('id'));
142 }
143
144 public function test_generate_id_radio() {
145 $el = new MoodleQuickForm_radio('radio', 'Label', 'Choice label', 'choice_value');
146 $el->_generateId();
147 $this->assertEquals('id_radio_choice_value', $el->getAttribute('id'));
148 }
149
150 public function test_radio_can_manually_set_id() {
151 $el = new MoodleQuickForm_radio('radio2', 'Label', 'Choice label', 'choice_value',
152 array('id' => 'customelementid2'));
153 $el->_generateId();
154 $this->assertEquals('customelementid2', $el->getAttribute('id'));
155 }
156
157 public function test_generate_id_radio_like_repeat() {
158 $el = new MoodleQuickForm_radio('repeatradio[2]', 'Label', 'Choice label', 'val');
159 $el->_generateId();
160 $this->assertEquals('id_repeatradio_2_val', $el->getAttribute('id'));
161 }
162
163 public function test_rendering() {
164 $form = new formslib_test_form();
165 ob_start();
166 $form->display();
167 $html = ob_get_clean();
168
169 $this->assertTag(array('tag'=>'select', 'id'=>'id_choose_one',
170 'attributes'=>array('name'=>'choose_one')), $html);
171
172 $this->assertTag(array('tag'=>'input', 'id'=>'id_text_0',
173 'attributes'=>array('type'=>'text', 'name'=>'text[0]')), $html);
174
175 $this->assertTag(array('tag'=>'input', 'id'=>'id_text_1',
176 'attributes'=>array('type'=>'text', 'name'=>'text[1]')), $html);
177
178 $this->assertTag(array('tag'=>'input', 'id'=>'id_radio_choice_value',
179 'attributes'=>array('type'=>'radio', 'name'=>'radio', 'value'=>'choice_value')), $html);
180
181 $this->assertTag(array('tag'=>'input', 'id'=>'customelementid2',
182 'attributes'=>array('type'=>'radio', 'name'=>'radio2')), $html);
183
184 $this->assertTag(array('tag'=>'input', 'id'=>'id_repeatradio_0_2',
185 'attributes'=>array('type'=>'radio', 'name'=>'repeatradio[0]', 'value'=>'2')), $html);
186
187 $this->assertTag(array('tag'=>'input', 'id'=>'id_repeatradio_2_1',
188 'attributes'=>array('type'=>'radio', 'name'=>'repeatradio[2]', 'value'=>'1')), $html);
189
190 $this->assertTag(array('tag'=>'input', 'id'=>'id_repeatradio_2_2',
191 'attributes'=>array('type'=>'radio', 'name'=>'repeatradio[2]', 'value'=>'2')), $html);
192 }
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193
194 public function test_settype_debugging_text() {
195 $mform = new formslib_settype_debugging_text();
196 $this->assertDebuggingCalled("Did you remember to call setType() for 'texttest'? Defaulting to PARAM_RAW cleaning.");
197
198 // Check form still there though
199 $this->expectOutputRegex('/<input[^>]*name="texttest[^>]*type="text/');
200 $mform->display();
201 }
202
203 public function test_settype_debugging_hidden() {
204 $mform = new formslib_settype_debugging_hidden();
205 $this->assertDebuggingCalled("Did you remember to call setType() for 'hiddentest'? Defaulting to PARAM_RAW cleaning.");
206
207 // Check form still there though
208 $this->expectOutputRegex('/<input[^>]*name="hiddentest[^>]*type="hidden/');
209 $mform->display();
210 }
211
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212 public function test_settype_debugging_url() {
213 $this->resetAfterTest(true);
214 $this->setAdminUser();
215 $mform = new formslib_settype_debugging_url();
216 $this->assertDebuggingCalled("Did you remember to call setType() for 'urltest'? Defaulting to PARAM_RAW cleaning.");
217
218 // Check form still there though
219 $this->expectOutputRegex('/<input[^>]*name="urltest"[^>]*type="text/');
220 $mform->display();
221 }
222
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223 public function test_settype_debugging_repeat() {
224 $mform = new formslib_settype_debugging_repeat();
9654f68a 225 $this->assertDebuggingCalled("Did you remember to call setType() for 'repeattest[0]'? Defaulting to PARAM_RAW cleaning.");
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226
227 // Check form still there though
228 $this->expectOutputRegex('/<input[^>]*name="repeattest[^>]*type="text/');
229 $mform->display();
230 }
231
232 public function test_settype_debugging_repeat_ok() {
233 $mform = new formslib_settype_debugging_repeat_ok();
234 // No debugging expected here.
235
236 $this->expectOutputRegex('/<input[^>]*name="repeattest[^>]*type="text/');
237 $mform->display();
238 }
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239
240 public function test_settype_debugging_group() {
241 $mform = new formslib_settype_debugging_group();
242 $this->assertDebuggingCalled("Did you remember to call setType() for 'groupel1'? Defaulting to PARAM_RAW cleaning.");
243 $this->expectOutputRegex('/<input[^>]*name="groupel1"[^>]*type="text/');
244 $this->expectOutputRegex('/<input[^>]*name="groupel2"[^>]*type="text/');
245 $mform->display();
246 }
247
248 public function test_settype_debugging_namedgroup() {
249 $mform = new formslib_settype_debugging_namedgroup();
250 $this->assertDebuggingCalled("Did you remember to call setType() for 'namedgroup[groupel1]'? Defaulting to PARAM_RAW cleaning.");
251 $this->expectOutputRegex('/<input[^>]*name="namedgroup\[groupel1\]"[^>]*type="text/');
252 $this->expectOutputRegex('/<input[^>]*name="namedgroup\[groupel2\]"[^>]*type="text/');
253 $mform->display();
254 }
255
256 public function test_settype_debugging_funky_name() {
257 $mform = new formslib_settype_debugging_funky_name();
258 $this->assertDebuggingCalled("Did you remember to call setType() for 'blah[foo][bar][1]'? Defaulting to PARAM_RAW cleaning.");
259 $this->expectOutputRegex('/<input[^>]*name="blah\[foo\]\[bar\]\[0\]"[^>]*type="text/');
260 $this->expectOutputRegex('/<input[^>]*name="blah\[foo\]\[bar\]\[1\]"[^>]*type="text/');
261 $mform->display();
262 }
263
264 public function test_settype_debugging_type_inheritance() {
265 $mform = new formslib_settype_debugging_type_inheritance();
266 $this->expectOutputRegex('/<input[^>]*name="blah\[foo\]\[bar\]\[0\]"[^>]*type="text/');
267 $this->expectOutputRegex('/<input[^>]*name="blah\[bar\]\[foo\]\[1\]"[^>]*type="text/');
268 $this->expectOutputRegex('/<input[^>]*name="blah\[any\]\[other\]\[2\]"[^>]*type="text/');
269 $mform->display();
270 }
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271
272 public function test_type_cleaning() {
273 $expectedtypes = array(
274 'simpleel' => PARAM_INT,
275 'groupel1' => PARAM_INT,
276 'groupel2' => PARAM_FLOAT,
277 'groupel3' => PARAM_INT,
278 'namedgroup' => array(
279 'sndgroupel1' => PARAM_INT,
280 'sndgroupel2' => PARAM_FLOAT,
281 'sndgroupel3' => PARAM_INT
282 ),
283 'namedgroupinherit' => array(
284 'thdgroupel1' => PARAM_INT,
285 'thdgroupel2' => PARAM_INT
286 ),
287 'repeatedel' => array(
288 0 => PARAM_INT,
289 1 => PARAM_INT
290 ),
291 'repeatedelinherit' => array(
292 0 => PARAM_INT,
293 1 => PARAM_INT
294 ),
295 'squaretest' => array(
296 0 => PARAM_INT
297 ),
298 'nested' => array(
299 0 => array(
300 'bob' => array(
301 123 => PARAM_INT,
302 'foo' => PARAM_FLOAT
303 ),
304 'xyz' => PARAM_RAW
305 ),
306 1 => PARAM_INT
307 )
308 );
309 $valuessubmitted = array(
310 'simpleel' => '11.01',
311 'groupel1' => '11.01',
312 'groupel2' => '11.01',
313 'groupel3' => '11.01',
314 'namedgroup' => array(
315 'sndgroupel1' => '11.01',
316 'sndgroupel2' => '11.01',
317 'sndgroupel3' => '11.01'
318 ),
319 'namedgroupinherit' => array(
320 'thdgroupel1' => '11.01',
321 'thdgroupel2' => '11.01'
322 ),
323 'repeatedel' => array(
324 0 => '11.01',
325 1 => '11.01'
326 ),
327 'repeatedelinherit' => array(
328 0 => '11.01',
329 1 => '11.01'
330 ),
331 'squaretest' => array(
332 0 => '11.01'
333 ),
334 'nested' => array(
335 0 => array(
336 'bob' => array(
337 123 => '11.01',
338 'foo' => '11.01'
339 ),
340 'xyz' => '11.01'
341 ),
342 1 => '11.01'
343 )
344 );
345 $expectedvalues = array(
346 'simpleel' => 11,
347 'groupel1' => 11,
348 'groupel2' => 11.01,
349 'groupel3' => 11,
350 'namedgroup' => array(
351 'sndgroupel1' => 11,
352 'sndgroupel2' => 11.01,
353 'sndgroupel3' => 11
354 ),
355 'namedgroupinherit' => array(
356 'thdgroupel1' => 11,
357 'thdgroupel2' => 11
358 ),
d5909fd1 359 'repeatable' => 2,
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360 'repeatedel' => array(
361 0 => 11,
362 1 => 11
363 ),
d5909fd1 364 'repeatableinherit' => 2,
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365 'repeatedelinherit' => array(
366 0 => 11,
367 1 => 11
368 ),
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369 'squaretest' => array(
370 0 => 11
371 ),
372 'nested' => array(
373 0 => array(
374 'bob' => array(
375 123 => 11,
376 'foo' => 11.01
377 ),
378 'xyz' => '11.01'
379 ),
380 1 => 11
381 )
382 );
383
384 $mform = new formslib_clean_value();
385 $mform->get_form()->updateSubmission($valuessubmitted, null);
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386 foreach ($expectedtypes as $elementname => $expected) {
387 $actual = $mform->get_form()->getCleanType($elementname, $valuessubmitted[$elementname]);
388 $this->assertSame($expected, $actual, "Failed validating clean type of '$elementname'");
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389 }
390
391 $data = $mform->get_data();
d5909fd1 392 $this->assertSame($expectedvalues, (array) $data);
a85f745d 393 }
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394}
395
396
397/**
398 * Test form to be used by {@link formslib_test::test_rendering()}.
399 */
400class formslib_test_form extends moodleform {
401 public function definition() {
402 $this->_form->addElement('select', 'choose_one', 'Choose one',
403 array(1 => 'One', '2' => 'Two'));
404
405 $repeatels = array(
406 $this->_form->createElement('text', 'text', 'Type something')
407 );
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408 // TODO: The repeat_elements() is far from perfect. Everything should be
409 // repeated auto-magically by default with options only defining exceptions.
410 // Surely this is caused because we are storing some element information OUT
411 // from the element (type...) at form level. Anyway, the method should do its
412 // work better, no matter of that.
413 $this->repeat_elements($repeatels, 2, array('text' => array('type' => PARAM_RAW)), 'numtexts', 'addtexts');
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414
415 $this->_form->addElement('radio', 'radio', 'Label', 'Choice label', 'choice_value');
416
417 $this->_form->addElement('radio', 'radio2', 'Label', 'Choice label', 'choice_value',
418 array('id' => 'customelementid2'));
419
420 $repeatels = array(
421 $this->_form->createElement('radio', 'repeatradio', 'Choose {no}', 'One', 1),
422 $this->_form->createElement('radio', 'repeatradio', 'Choose {no}', 'Two', 2),
423 );
424 $this->repeat_elements($repeatels, 3, array(), 'numradios', 'addradios');
425 }
f35f07e9 426}
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427
428// Used to test debugging is called when text added without setType.
429class formslib_settype_debugging_text extends moodleform {
430 public function definition() {
431 $mform = $this->_form;
432
433 $mform->addElement('text', 'texttest', 'test123', 'testing123');
434 }
435}
436
437// Used to test debugging is called when hidden added without setType.
438class formslib_settype_debugging_hidden extends moodleform {
439 public function definition() {
440 $mform = $this->_form;
441
442 $mform->addElement('hidden', 'hiddentest', '1');
443 }
444}
445
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446// Used to test debugging is called when hidden added without setType.
447class formslib_settype_debugging_url extends moodleform {
448 public function definition() {
449 $mform = $this->_form;
450
451 $mform->addElement('url', 'urltest', 'urltest');
452 }
453}
454
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455// Used to test debugging is called when repeated text added without setType.
456class formslib_settype_debugging_repeat extends moodleform {
457 public function definition() {
458 $mform = $this->_form;
459
460 $repeatels = array(
461 $mform->createElement('text', 'repeattest', 'Type something')
462 );
463
464 $this->repeat_elements($repeatels, 1, array(), 'numtexts', 'addtexts');
465 }
466}
467
468// Used to no debugging is called when correctly tset
469class formslib_settype_debugging_repeat_ok extends moodleform {
470 public function definition() {
471 $mform = $this->_form;
472
473 $repeatels = array(
474 $mform->createElement('text', 'repeattest', 'Type something')
475 );
476
477 $this->repeat_elements($repeatels, 2, array('repeattest' => array('type' => PARAM_RAW)), 'numtexts', 'addtexts');
478 }
479}
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480
481// Used to test if debugging is called when a group contains elements without type.
482class formslib_settype_debugging_group extends moodleform {
483 public function definition() {
484 $mform = $this->_form;
485 $group = array(
486 $mform->createElement('text', 'groupel1', 'groupel1'),
487 $mform->createElement('text', 'groupel2', 'groupel2')
488 );
489 $mform->addGroup($group);
490 $mform->setType('groupel2', PARAM_INT);
491 }
492}
493
494// Used to test if debugging is called when a named group contains elements without type.
495class formslib_settype_debugging_namedgroup extends moodleform {
496 public function definition() {
497 $mform = $this->_form;
498 $group = array(
499 $mform->createElement('text', 'groupel1', 'groupel1'),
500 $mform->createElement('text', 'groupel2', 'groupel2')
501 );
502 $mform->addGroup($group, 'namedgroup');
503 $mform->setType('namedgroup[groupel2]', PARAM_INT);
504 }
505}
506
507// Used to test if debugging is called when has a funky name.
508class formslib_settype_debugging_funky_name extends moodleform {
509 public function definition() {
510 $mform = $this->_form;
511 $mform->addElement('text', 'blah[foo][bar][0]', 'test', 'test');
512 $mform->addElement('text', 'blah[foo][bar][1]', 'test', 'test');
513 $mform->setType('blah[foo][bar][0]', PARAM_INT);
514 }
515}
516
a85f745d 517// Used to test that debugging is not called with type inheritance.
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518class formslib_settype_debugging_type_inheritance extends moodleform {
519 public function definition() {
520 $mform = $this->_form;
521 $mform->addElement('text', 'blah[foo][bar][0]', 'test1', 'test');
522 $mform->addElement('text', 'blah[bar][foo][1]', 'test2', 'test');
523 $mform->addElement('text', 'blah[any][other][2]', 'test3', 'test');
524 $mform->setType('blah[foo][bar]', PARAM_INT);
525 $mform->setType('blah[bar]', PARAM_FLOAT);
526 $mform->setType('blah', PARAM_TEXT);
527 }
528}
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529
530class formslib_clean_value extends moodleform {
531 public function get_form() {
532 return $this->_form;
533 }
534 public function definition() {
535 $mform = $this->_form;
536
537 // Add a simple int.
538 $mform->addElement('text', 'simpleel', 'simpleel');
539 $mform->setType('simpleel', PARAM_INT);
540
541 // Add a non-named group.
542 $group = array(
543 $mform->createElement('text', 'groupel1', 'groupel1'),
544 $mform->createElement('text', 'groupel2', 'groupel2'),
545 $mform->createElement('text', 'groupel3', 'groupel3')
546 );
547 $mform->setType('groupel1', PARAM_INT);
548 $mform->setType('groupel2', PARAM_FLOAT);
549 $mform->setType('groupel3', PARAM_INT);
550 $mform->addGroup($group);
551
552 // Add a named group.
553 $group = array(
554 $mform->createElement('text', 'sndgroupel1', 'sndgroupel1'),
555 $mform->createElement('text', 'sndgroupel2', 'sndgroupel2'),
556 $mform->createElement('text', 'sndgroupel3', 'sndgroupel3')
557 );
558 $mform->addGroup($group, 'namedgroup');
559 $mform->setType('namedgroup[sndgroupel1]', PARAM_INT);
560 $mform->setType('namedgroup[sndgroupel2]', PARAM_FLOAT);
561 $mform->setType('namedgroup[sndgroupel3]', PARAM_INT);
562
563 // Add a named group, with inheritance.
564 $group = array(
565 $mform->createElement('text', 'thdgroupel1', 'thdgroupel1'),
566 $mform->createElement('text', 'thdgroupel2', 'thdgroupel2')
567 );
568 $mform->addGroup($group, 'namedgroupinherit');
569 $mform->setType('namedgroupinherit', PARAM_INT);
570
571 // Add a repetition.
572 $repeat = $mform->createElement('text', 'repeatedel', 'repeatedel');
573 $this->repeat_elements(array($repeat), 2, array('repeatedel' => array('type' => PARAM_INT)), 'repeatable', 'add', 0);
574
575 // Add a repetition, with inheritance.
576 $repeat = $mform->createElement('text', 'repeatedelinherit', 'repeatedelinherit');
577 $this->repeat_elements(array($repeat), 2, array(), 'repeatableinherit', 'add', 0);
578 $mform->setType('repeatedelinherit', PARAM_INT);
579
580 // Add an arbitrary named element.
581 $mform->addElement('text', 'squaretest[0]', 'squaretest[0]');
582 $mform->setType('squaretest[0]', PARAM_INT);
583
584 // Add an arbitrary nested array named element.
585 $mform->addElement('text', 'nested[0][bob][123]', 'nested[0][bob][123]');
586 $mform->setType('nested[0][bob][123]', PARAM_INT);
587
588 // Add inheritance test cases.
589 $mform->setType('nested', PARAM_INT);
590 $mform->setType('nested[0]', PARAM_RAW);
591 $mform->setType('nested[0][bob]', PARAM_FLOAT);
592 $mform->addElement('text', 'nested[1]', 'nested[1]');
593 $mform->addElement('text', 'nested[0][xyz]', 'nested[0][xyz]');
594 $mform->addElement('text', 'nested[0][bob][foo]', 'nested[0][bob][foo]');
595 }
596}