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1 efrain 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
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// 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 core_date class.
19
 *
20
 * @package   core
21
 * @copyright 2015 Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
22
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23
 * @author    Petr Skoda <petr.skoda@totaralms.com>
24
 */
25
 
26
defined('MOODLE_INTERNAL') || die();
27
 
28
/**
29
 * Tests core_date class.
30
 *
31
 * @package   core
32
 * @copyright 2015 Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
33
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
34
 * @author    Petr Skoda <petr.skoda@totaralms.com>
35
 * @covers \core_date
36
 * @coversDefaultClass \core_date
37
 */
38
class date_test extends advanced_testcase {
39
    /**
40
     * @covers ::get_default_php_timezone
41
     */
11 efrain 42
    public function test_get_default_php_timezone(): void {
1 efrain 43
        $this->resetAfterTest();
44
 
45
        $origtz = core_date::get_default_php_timezone();
46
        $this->assertNotEmpty($origtz);
47
 
48
        $this->setTimezone('Pacific/Auckland', 'Europe/Prague');
49
        $this->assertSame('Europe/Prague', core_date::get_default_php_timezone());
50
 
51
        $this->setTimezone('Pacific/Auckland', 'UTC');
52
        $this->assertSame('UTC', core_date::get_default_php_timezone());
53
 
54
        $this->setTimezone('Pacific/Auckland', 'GMT');
55
        $this->assertSame('GMT', core_date::get_default_php_timezone());
56
    }
57
 
58
    /**
59
     * @covers ::normalise_timezone
60
     */
11 efrain 61
    public function test_normalise_timezone(): void {
1 efrain 62
        $this->resetAfterTest();
63
 
64
        $this->setTimezone('Pacific/Auckland');
65
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone('Pacific/Auckland'));
66
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone('99'));
67
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone(99));
68
        $this->assertSame('GMT', core_date::normalise_timezone('GMT'));
69
        $this->assertSame('UTC', core_date::normalise_timezone('UTC'));
70
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone('xxxxxxxx'));
71
        $this->assertSame('Europe/Berlin', core_date::normalise_timezone('Central European Time'));
72
        $this->assertSame('Etc/GMT', core_date::normalise_timezone('0'));
73
        $this->assertSame('Etc/GMT', core_date::normalise_timezone('0.0'));
74
        $this->assertSame('Etc/GMT-2', core_date::normalise_timezone(2));
75
        $this->assertSame('Etc/GMT-2', core_date::normalise_timezone('2.0'));
76
        $this->assertSame('Etc/GMT+2', core_date::normalise_timezone(-2));
77
        $this->assertSame('Etc/GMT+2', core_date::normalise_timezone('-2.0'));
78
        $this->assertSame('Etc/GMT+4', core_date::normalise_timezone(-4));
79
        $this->assertSame('Etc/GMT-2', core_date::normalise_timezone('UTC+2'));
80
        $this->assertSame('Etc/GMT+2', core_date::normalise_timezone('UTC-2'));
81
        $this->assertSame('Etc/GMT-2', core_date::normalise_timezone('GMT+2'));
82
        $this->assertSame('Etc/GMT+2', core_date::normalise_timezone('GMT-2'));
83
        $this->assertSame('Etc/GMT+12', core_date::normalise_timezone(-12));
84
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone(-13));
85
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone(-14));
86
        $this->assertSame('Etc/GMT-12', core_date::normalise_timezone(12));
87
        $this->assertSame('Etc/GMT-13', core_date::normalise_timezone(13));
88
        $this->assertSame('Etc/GMT-14', core_date::normalise_timezone(14));
89
 
90
        $this->assertSame('Asia/Kabul', core_date::normalise_timezone(4.5));
91
        $this->assertSame('Asia/Kolkata', core_date::normalise_timezone(5.5));
92
        $this->assertSame('Asia/Rangoon', core_date::normalise_timezone(6.5));
93
        $this->assertSame('Australia/Darwin', core_date::normalise_timezone('9.5'));
94
 
95
        $this->setTimezone('99', 'Pacific/Auckland');
96
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone('Pacific/Auckland'));
97
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone('99'));
98
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone(99));
99
        $this->assertSame('GMT', core_date::normalise_timezone('GMT'));
100
        $this->assertSame('UTC', core_date::normalise_timezone('UTC'));
101
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone('xxxxxxxx'));
102
        $this->assertSame('Europe/Berlin', core_date::normalise_timezone('Central European Time'));
103
        $this->assertSame('Etc/GMT', core_date::normalise_timezone('0'));
104
        $this->assertSame('Etc/GMT', core_date::normalise_timezone('0.0'));
105
        $this->assertSame('Etc/GMT-2', core_date::normalise_timezone(2));
106
        $this->assertSame('Etc/GMT-2', core_date::normalise_timezone('2.0'));
107
        $this->assertSame('Etc/GMT+2', core_date::normalise_timezone(-2));
108
        $this->assertSame('Etc/GMT+2', core_date::normalise_timezone('-2.0'));
109
        $this->assertSame('Etc/GMT-2', core_date::normalise_timezone('UTC+2'));
110
        $this->assertSame('Etc/GMT+2', core_date::normalise_timezone('UTC-2'));
111
        $this->assertSame('Etc/GMT-2', core_date::normalise_timezone('GMT+2'));
112
        $this->assertSame('Etc/GMT+2', core_date::normalise_timezone('GMT-2'));
113
        $this->assertSame('Etc/GMT+12', core_date::normalise_timezone(-12));
114
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone(-13));
115
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone(-14));
116
        $this->assertSame('Etc/GMT-12', core_date::normalise_timezone(12));
117
        $this->assertSame('Etc/GMT-13', core_date::normalise_timezone(13));
118
        $this->assertSame('Etc/GMT-14', core_date::normalise_timezone(14));
119
 
120
        $this->setTimezone('Pacific/Auckland', 'Pacific/Auckland');
121
        $tz = new DateTimeZone('Pacific/Auckland');
122
        $this->assertSame('Pacific/Auckland', core_date::normalise_timezone($tz));
123
    }
124
 
125
    /**
126
     * @covers ::normalise_timezone
127
     */
11 efrain 128
    public function test_windows_conversion(): void {
1 efrain 129
        $file = __DIR__ . '/fixtures/timezonewindows.xml';
130
 
131
        $contents = file_get_contents($file);
132
        preg_match_all('/<mapZone other="([^"]+)" territory="001" type="([^"]+)"\/>/', $contents, $matches, PREG_SET_ORDER);
133
 
134
        $this->assertCount(104, $matches); // NOTE: If the file contents change edit the core_date class and update this.
135
 
136
        foreach ($matches as $match) {
137
            $result = core_date::normalise_timezone($match[1]);
138
            if ($result == $match[2]) {
139
                $this->assertSame($match[2], $result);
140
            } else {
141
                $data = new DateTime('now', new DateTimeZone($match[2]));
142
                $expectedoffset = $data->getOffset();
143
                $data = new DateTime('now', new DateTimeZone($result));
144
                $resultoffset = $data->getOffset();
145
                $this->assertSame($expectedoffset, $resultoffset, "$match[1] is expected to be converted to $match[2] not $result");
146
            }
147
        }
148
    }
149
 
150
    /**
151
     * Sanity test for PHP stuff.
152
     */
11 efrain 153
    public function test_php_gmt_offsets(): void {
1 efrain 154
        $this->resetAfterTest();
155
 
156
        $this->setTimezone('Pacific/Auckland', 'Pacific/Auckland');
157
 
158
        for ($i = -12; $i < 0; $i++) {
159
            $date = new DateTime('now', new DateTimeZone("Etc/GMT{$i}"));
160
            $this->assertSame(- $i * 60 * 60, $date->getOffset());
161
            $date = new DateTime('now', new DateTimeZone(core_date::normalise_timezone("GMT{$i}")));
162
            $this->assertSame($i * 60 * 60, $date->getOffset());
163
            $date = new DateTime('now', new DateTimeZone(core_date::normalise_timezone("UTC{$i}")));
164
            $this->assertSame($i * 60 * 60, $date->getOffset());
165
        }
166
 
167
        $date = new DateTime('now', new DateTimeZone('Etc/GMT'));
168
        $this->assertSame(0, $date->getOffset());
169
 
170
        for ($i = 1; $i <= 12; $i++) {
171
            $date = new DateTime('now', new DateTimeZone("Etc/GMT+{$i}"));
172
            $this->assertSame(- $i * 60 * 60, $date->getOffset());
173
            $date = new DateTime('now', new DateTimeZone(core_date::normalise_timezone("GMT+{$i}")));
174
            $this->assertSame($i * 60 * 60, $date->getOffset());
175
            $date = new DateTime('now', new DateTimeZone(core_date::normalise_timezone("UTC+{$i}")));
176
            $this->assertSame($i * 60 * 60, $date->getOffset());
177
        }
178
    }
179
 
180
    /**
181
     * We are only checking lang strings existence here, not code.
182
     *
183
     * @coversNothing
184
     */
11 efrain 185
    public function test_timezone_all_lang_strings(): void {
1 efrain 186
        // We only run this test when PHPUNIT_LONGTEST is enabled, test_get_localised_timezone()
187
        // is already checking the names of a few, hopefully stable enough to be run always.
188
        if (!PHPUNIT_LONGTEST) {
189
            $this->markTestSkipped('PHPUNIT_LONGTEST is not defined');
190
        }
191
 
192
        $phpzones = DateTimeZone::listIdentifiers();
193
        $manager = get_string_manager();
194
        foreach ($phpzones as $tz) {
195
            $this->assertTrue($manager->string_exists(strtolower($tz), 'core_timezones'),
196
                    'String for timezone ' . strtolower($tz) . ' not found.');
197
        }
198
    }
199
 
200
    /**
201
     * @covers ::get_localised_timezone
202
     */
11 efrain 203
    public function test_get_localised_timezone(): void {
1 efrain 204
        $this->resetAfterTest();
205
 
206
        $this->setTimezone('Pacific/Auckland', 'Pacific/Auckland');
207
 
208
        $result = core_date::get_localised_timezone('Pacific/Auckland');
209
        $this->assertSame('Pacific/Auckland', $result);
210
 
211
        $result = core_date::get_localised_timezone('Europe/Madrid');
212
        $this->assertSame('Europe/Madrid', $result);
213
 
214
        $result = core_date::get_localised_timezone('America/New_York');
215
        $this->assertSame('America/New_York', $result);
216
 
217
        $result = core_date::get_localised_timezone('99');
218
        $this->assertSame('Server timezone (Pacific/Auckland)', $result);
219
 
220
        $result = core_date::get_localised_timezone(99);
221
        $this->assertSame('Server timezone (Pacific/Auckland)', $result);
222
 
223
        $result = core_date::get_localised_timezone('Etc/GMT-1');
224
        $this->assertSame('UTC+1', $result);
225
 
226
        $result = core_date::get_localised_timezone('Etc/GMT+2');
227
        $this->assertSame('UTC-2', $result);
228
 
229
        $result = core_date::get_localised_timezone('GMT');
230
        $this->assertSame('UTC', $result);
231
 
232
        $result = core_date::get_localised_timezone('Etc/GMT');
233
        $this->assertSame('UTC', $result);
234
    }
235
 
236
    /**
237
     * @covers ::get_list_of_timezones
238
     */
11 efrain 239
    public function test_get_list_of_timezones(): void {
1 efrain 240
        $this->resetAfterTest();
241
 
242
        $this->setTimezone('Pacific/Auckland', 'Pacific/Auckland');
243
 
244
        $phpzones = DateTimeZone::listIdentifiers();
245
 
246
        $zones = core_date::get_list_of_timezones();
247
        $this->assertSame(count($phpzones), count($zones));
248
        foreach ($zones as $zone => $zonename) {
249
            $this->assertSame($zone, $zonename); // The same in English!
250
            $this->assertContains($zone, $phpzones); // No extras expected.
251
        }
252
 
253
        $this->assertSame($zones, core_date::get_list_of_timezones(null, false));
254
 
255
        $nnzones = core_date::get_list_of_timezones(null, true);
256
        $last = $nnzones['99'];
257
        $this->assertSame('Server timezone (Pacific/Auckland)', $last);
258
        unset($nnzones['99']);
259
        $this->assertSame($zones, $nnzones);
260
 
261
        $nnzones = core_date::get_list_of_timezones('99', false);
262
        $last = $nnzones['99'];
263
        $this->assertSame('Server timezone (Pacific/Auckland)', $last);
264
        unset($nnzones['99']);
265
        $this->assertSame($zones, $nnzones);
266
 
267
        $xxzones = core_date::get_list_of_timezones('xx', false);
268
        $xx = $xxzones['xx'];
269
        $this->assertSame('Invalid timezone "xx"', $xx);
270
        unset($xxzones['xx']);
271
        $this->assertSame($zones, $xxzones);
272
 
273
        $xxzones = core_date::get_list_of_timezones('1', false);
274
        $xx = $xxzones['1'];
275
        $this->assertSame('Invalid timezone "UTC+1.0"', $xx);
276
        unset($xxzones['1']);
277
        $this->assertSame($zones, $xxzones);
278
 
279
        $xxzones = core_date::get_list_of_timezones('-1.5', false);
280
        $xx = $xxzones['-1.5'];
281
        $this->assertSame('Invalid timezone "UTC-1.5"', $xx);
282
        unset($xxzones['-1.5']);
283
        $this->assertSame($zones, $xxzones);
284
 
285
    }
286
 
287
    /**
288
     * @covers ::get_server_timezone
289
     */
11 efrain 290
    public function test_get_server_timezone(): void {
1 efrain 291
        global $CFG;
292
        $this->resetAfterTest();
293
 
294
        $this->setTimezone('Pacific/Auckland', 'Pacific/Auckland');
295
        $this->assertSame('Pacific/Auckland', core_date::get_server_timezone());
296
 
297
        $this->setTimezone('Pacific/Auckland', 'Europe/Prague');
298
        $this->assertSame('Pacific/Auckland', core_date::get_server_timezone());
299
 
300
        $this->setTimezone('99', 'Pacific/Auckland');
301
        $this->assertSame('Pacific/Auckland', core_date::get_server_timezone());
302
 
303
        $this->setTimezone(99, 'Pacific/Auckland');
304
        $this->assertSame('Pacific/Auckland', core_date::get_server_timezone());
305
 
306
        $this->setTimezone('Pacific/Auckland', 'Pacific/Auckland');
307
        unset($CFG->timezone);
308
        $this->assertSame('Pacific/Auckland', core_date::get_server_timezone());
309
 
310
        // Admin should fix the settings.
311
        $this->setTimezone('xxx/zzzz', 'Europe/Prague');
312
        $this->assertSame('Europe/Prague', core_date::get_server_timezone());
313
    }
314
 
315
    /**
316
     * @covers ::get_server_timezone_object
317
     */
11 efrain 318
    public function test_get_server_timezone_object(): void {
1 efrain 319
        $this->resetAfterTest();
320
 
321
        $zones = core_date::get_list_of_timezones();
322
        foreach ($zones as $zone) {
323
            $this->setTimezone($zone, 'Pacific/Auckland');
324
            $tz = core_date::get_server_timezone_object();
325
            $this->assertInstanceOf('DateTimeZone', $tz);
326
            $this->assertSame($zone, $tz->getName());
327
        }
328
    }
329
 
330
    /**
331
     * @covers ::set_default_server_timezone
332
     */
11 efrain 333
    public function test_set_default_server_timezone(): void {
1 efrain 334
        global $CFG;
335
        $this->resetAfterTest();
336
 
337
        $this->setTimezone('Europe/Prague', 'Pacific/Auckland');
338
        unset($CFG->timezone);
339
        date_default_timezone_set('UTC');
340
        core_date::set_default_server_timezone();
341
        $this->assertSame('Pacific/Auckland', date_default_timezone_get());
342
 
343
        $this->setTimezone('', 'Pacific/Auckland');
344
        date_default_timezone_set('UTC');
345
        core_date::set_default_server_timezone();
346
        $this->assertSame('Pacific/Auckland', date_default_timezone_get());
347
 
348
        $this->setTimezone('99', 'Pacific/Auckland');
349
        date_default_timezone_set('UTC');
350
        core_date::set_default_server_timezone();
351
        $this->assertSame('Pacific/Auckland', date_default_timezone_get());
352
 
353
        $this->setTimezone(99, 'Pacific/Auckland');
354
        date_default_timezone_set('UTC');
355
        core_date::set_default_server_timezone();
356
        $this->assertSame('Pacific/Auckland', date_default_timezone_get());
357
 
358
        $this->setTimezone('Europe/Prague', 'Pacific/Auckland');
359
        $CFG->timezone = 'UTC';
360
        core_date::set_default_server_timezone();
361
        $this->assertSame('UTC', date_default_timezone_get());
362
 
363
        $this->setTimezone('Europe/Prague', 'Pacific/Auckland');
364
        $CFG->timezone = 'Australia/Perth';
365
        core_date::set_default_server_timezone();
366
        $this->assertSame('Australia/Perth', date_default_timezone_get());
367
 
368
        $this->setTimezone('0', 'Pacific/Auckland');
369
        date_default_timezone_set('UTC');
370
        core_date::set_default_server_timezone();
371
        $this->assertSame('Etc/GMT', date_default_timezone_get());
372
 
373
        $this->setTimezone('1', 'Pacific/Auckland');
374
        date_default_timezone_set('UTC');
375
        core_date::set_default_server_timezone();
376
        $this->assertSame('Etc/GMT-1', date_default_timezone_get());
377
 
378
        $this->setTimezone(1, 'Pacific/Auckland');
379
        date_default_timezone_set('UTC');
380
        core_date::set_default_server_timezone();
381
        $this->assertSame('Etc/GMT-1', date_default_timezone_get());
382
 
383
        $this->setTimezone('1.0', 'Pacific/Auckland');
384
        date_default_timezone_set('UTC');
385
        core_date::set_default_server_timezone();
386
        $this->assertSame('Etc/GMT-1', date_default_timezone_get());
387
    }
388
 
389
    public function legacyUserTimezoneProvider() {
390
        return [
391
            ['', 'Australia/Perth'],            // Fallback on default timezone.
392
            ['-13.0', 'Australia/Perth'],       // Fallback on default timezone.
393
            ['-12.5', 'Etc/GMT+12'],
394
            ['-12.0', 'Etc/GMT+12'],
395
            ['-11.5', 'Etc/GMT+11'],
396
            ['-11.0', 'Etc/GMT+11'],
397
            ['-10.5', 'Etc/GMT+10'],
398
            ['-10.0', 'Etc/GMT+10'],
399
            ['-9.5', 'Etc/GMT+9'],
400
            ['-9.0', 'Etc/GMT+9'],
401
            ['-8.5', 'Etc/GMT+8'],
402
            ['-8.0', 'Etc/GMT+8'],
403
            ['-7.5', 'Etc/GMT+7'],
404
            ['-7.0', 'Etc/GMT+7'],
405
            ['-6.5', 'Etc/GMT+6'],
406
            ['-6.0', 'Etc/GMT+6'],
407
            ['-5.5', 'Etc/GMT+5'],
408
            ['-5.0', 'Etc/GMT+5'],
409
            ['-4.5', 'Etc/GMT+4'],
410
            ['-4.0', 'Etc/GMT+4'],
411
            ['-3.5', 'Etc/GMT+3'],
412
            ['-3.0', 'Etc/GMT+3'],
413
            ['-2.5', 'Etc/GMT+2'],
414
            ['-2.0', 'Etc/GMT+2'],
415
            ['-1.5', 'Etc/GMT+1'],
416
            ['-1.0', 'Etc/GMT+1'],
417
            ['-0.5', 'Etc/GMT'],
418
            ['0', 'Etc/GMT'],
419
            ['0.0', 'Etc/GMT'],
420
            ['0.5', 'Etc/GMT'],
421
            ['1.0', 'Etc/GMT-1'],
422
            ['1.5', 'Etc/GMT-1'],
423
            ['2.0', 'Etc/GMT-2'],
424
            ['2.5', 'Etc/GMT-2'],
425
            ['3.0', 'Etc/GMT-3'],
426
            ['3.5', 'Etc/GMT-3'],
427
            ['4.0', 'Etc/GMT-4'],
428
            ['4.5', 'Asia/Kabul'],
429
            ['5.0', 'Etc/GMT-5'],
430
            ['5.5', 'Asia/Kolkata'],
431
            ['6.0', 'Etc/GMT-6'],
432
            ['6.5', 'Asia/Rangoon'],
433
            ['7.0', 'Etc/GMT-7'],
434
            ['7.5', 'Etc/GMT-7'],
435
            ['8.0', 'Etc/GMT-8'],
436
            ['8.5', 'Etc/GMT-8'],
437
            ['9.0', 'Etc/GMT-9'],
438
            ['9.5', 'Australia/Darwin'],
439
            ['10.0', 'Etc/GMT-10'],
440
            ['10.5', 'Etc/GMT-10'],
441
            ['11.0', 'Etc/GMT-11'],
442
            ['11.5', 'Etc/GMT-11'],
443
            ['12.0', 'Etc/GMT-12'],
444
            ['12.5', 'Etc/GMT-12'],
445
            ['13.0', 'Etc/GMT-13'],
446
        ];
447
    }
448
 
449
    /**
450
     * @dataProvider legacyUserTimezoneProvider
451
     * @covers ::get_user_timezone
452
     * @param string $tz The legacy timezone.
453
     * @param string $expected The expected converted timezone.
454
     */
11 efrain 455
    public function test_get_legacy_user_timezone($tz, $expected): void {
1 efrain 456
        $this->setTimezone('Australia/Perth', 'Australia/Perth');
457
        $this->assertEquals($expected, core_date::get_user_timezone($tz));
458
    }
459
 
460
    /**
461
     * @covers ::get_user_timezone
462
     */
11 efrain 463
    public function test_get_user_timezone(): void {
1 efrain 464
        global $CFG, $USER;
465
        $this->resetAfterTest();
466
 
467
        // Null parameter.
468
 
469
        $this->setTimezone('Europe/Prague', 'Pacific/Auckland');
470
        $USER->timezone = 'Pacific/Auckland';
471
        $CFG->forcetimezone = '99';
472
        $this->assertSame('Pacific/Auckland', core_date::get_user_timezone(null));
473
        $this->assertSame('Pacific/Auckland', core_date::get_user_timezone());
474
 
475
        $this->setTimezone('Europe/Prague', 'Pacific/Auckland');
476
        $USER->timezone = 'Pacific/Auckland';
477
        $CFG->forcetimezone = 'Europe/Berlin';
478
        $this->assertSame('Europe/Berlin', core_date::get_user_timezone(null));
479
        $this->assertSame('Europe/Berlin', core_date::get_user_timezone());
480
 
481
        $this->setTimezone('Europe/Prague', 'Pacific/Auckland');
482
        $USER->timezone = 'Pacific/Auckland';
483
        $CFG->forcetimezone = 'xxx/yyy';
484
        $this->assertSame('Europe/Prague', core_date::get_user_timezone(null));
485
        $this->assertSame('Europe/Prague', core_date::get_user_timezone());
486
 
487
        $this->setTimezone('Europe/Prague', 'Pacific/Auckland');
488
        $USER->timezone = 'abc/def';
489
        $CFG->forcetimezone = '99';
490
        $this->assertSame('Europe/Prague', core_date::get_user_timezone(null));
491
        $this->assertSame('Europe/Prague', core_date::get_user_timezone());
492
 
493
        $this->setTimezone('xxx/yyy', 'Europe/London');
494
        $USER->timezone = 'abc/def';
495
        $CFG->forcetimezone = 'Europe/Berlin';
496
        $this->assertSame('Europe/Berlin', core_date::get_user_timezone(null));
497
        $this->assertSame('Europe/Berlin', core_date::get_user_timezone());
498
 
499
        $this->setTimezone('xxx/yyy', 'Europe/London');
500
        $USER->timezone = 'abc/def';
501
        $CFG->forcetimezone = 99;
502
        $this->assertSame('Europe/London', core_date::get_user_timezone(null));
503
        $this->assertSame('Europe/London', core_date::get_user_timezone());
504
 
505
        // User object parameter.
506
        $admin = get_admin();
507
 
508
        $this->setTimezone('Europe/London');
509
        $USER->timezone = 'Pacific/Auckland';
510
        $CFG->forcetimezone = '99';
511
        $admin->timezone = 'Australia/Perth';
512
        $this->assertSame('Australia/Perth', core_date::get_user_timezone($admin));
513
 
514
        $this->setTimezone('Europe/Prague');
515
        $USER->timezone = 'Pacific/Auckland';
516
        $CFG->forcetimezone = '99';
517
        $admin->timezone = '99';
518
        $this->assertSame('Europe/Prague', core_date::get_user_timezone($admin));
519
 
520
        $this->setTimezone('99', 'Europe/London');
521
        $USER->timezone = 'Pacific/Auckland';
522
        $CFG->forcetimezone = '99';
523
        $admin->timezone = '99';
524
        $this->assertSame('Europe/London', core_date::get_user_timezone($admin));
525
 
526
        $this->setTimezone('Europe/Prague');
527
        $USER->timezone = 'Pacific/Auckland';
528
        $CFG->forcetimezone = '99';
529
        $admin->timezone = 'xx/zz';
530
        $this->assertSame('Europe/Prague', core_date::get_user_timezone($admin));
531
 
532
        $this->setTimezone('Europe/Prague');
533
        $USER->timezone = 'Pacific/Auckland';
534
        $CFG->forcetimezone = '99';
535
        unset($admin->timezone);
536
        $this->assertSame('Europe/Prague', core_date::get_user_timezone($admin));
537
 
538
        $this->setTimezone('Europe/Prague');
539
        $USER->timezone = 'Pacific/Auckland';
540
        $CFG->forcetimezone = 'Europe/Berlin';
541
        $admin->timezone = 'Australia/Perth';
542
        $this->assertSame('Europe/Berlin', core_date::get_user_timezone($admin));
543
 
544
        // Other scalar parameter.
545
 
546
        $this->setTimezone('Europe/Prague');
547
        $CFG->forcetimezone = '99';
548
 
549
        $USER->timezone = 'Pacific/Auckland';
550
        $this->assertSame('Pacific/Auckland', core_date::get_user_timezone('99'));
551
        $this->assertSame('Etc/GMT-1', core_date::get_user_timezone('1'));
552
        $this->assertSame('Etc/GMT+1', core_date::get_user_timezone(-1));
553
        $this->assertSame('Europe/London', core_date::get_user_timezone('Europe/London'));
554
        $USER->timezone = '99';
555
        $this->assertSame('Europe/Prague', core_date::get_user_timezone('99'));
556
        $this->assertSame('Europe/London', core_date::get_user_timezone('Europe/London'));
557
        $this->assertSame('Europe/Prague', core_date::get_user_timezone('xxx/zzz'));
558
        $USER->timezone = 'xxz/zzz';
559
        $this->assertSame('Europe/Prague', core_date::get_user_timezone('99'));
560
 
561
        $this->setTimezone('99', 'Europe/Prague');
562
        $CFG->forcetimezone = '99';
563
 
564
        $USER->timezone = 'Pacific/Auckland';
565
        $this->assertSame('Pacific/Auckland', core_date::get_user_timezone('99'));
566
        $this->assertSame('Europe/London', core_date::get_user_timezone('Europe/London'));
567
        $USER->timezone = '99';
568
        $this->assertSame('Europe/Prague', core_date::get_user_timezone('99'));
569
        $this->assertSame('Europe/London', core_date::get_user_timezone('Europe/London'));
570
        $this->assertSame('Europe/Prague', core_date::get_user_timezone('xxx/zzz'));
571
        $USER->timezone = 99;
572
        $this->assertSame('Europe/London', core_date::get_user_timezone('Europe/London'));
573
        $this->assertSame('Europe/Prague', core_date::get_user_timezone('xxx/zzz'));
574
        $USER->timezone = 'xxz/zzz';
575
        $this->assertSame('Europe/Prague', core_date::get_user_timezone('99'));
576
 
577
        $this->setTimezone('xxx', 'Europe/Prague');
578
        $CFG->forcetimezone = '99';
579
        $USER->timezone = 'xxx';
580
        $this->assertSame('Europe/Prague', core_date::get_user_timezone('99'));
581
        $this->assertSame('Europe/Prague', core_date::get_user_timezone(99));
582
        $this->assertSame('Etc/GMT-1', core_date::get_user_timezone(1));
583
 
584
        $this->setTimezone('Europe/Prague');
585
        $CFG->forcetimezone = 'Pacific/Auckland';
586
        $USER->timezone = 'Europe/London';
587
        $this->assertSame('Pacific/Auckland', core_date::get_user_timezone(99));
588
        $this->assertSame('Europe/Berlin', core_date::get_user_timezone('Europe/Berlin'));
589
 
590
        // TZ object param.
591
 
592
        $this->setTimezone('UTC');
593
        $USER->timezone = 'Europe/London';
594
        $CFG->forcetimezone = 99;
595
        $tz = new DateTimeZone('Pacific/Auckland');
596
        $this->assertSame('Pacific/Auckland', core_date::get_user_timezone($tz));
597
    }
598
 
599
    /**
600
     * @covers ::get_user_timezone_object
601
     */
11 efrain 602
    public function test_get_user_timezone_object(): void {
1 efrain 603
        global $CFG, $USER;
604
        $this->resetAfterTest();
605
 
606
        $this->setTimezone('Pacific/Auckland');
607
        $CFG->forcetimezone = '99';
608
 
609
        $zones = core_date::get_list_of_timezones();
610
        foreach ($zones as $zone) {
611
            $USER->timezone = $zone;
612
            $tz = core_date::get_user_timezone_object();
613
            $this->assertInstanceOf('DateTimeZone', $tz);
614
            $this->assertSame($zone, $tz->getName());
615
        }
616
    }
617
 
618
    /**
619
     * Data provider for the values for test_core_strftime().
620
     *
621
     * @return array
622
     */
623
    public static function get_strftime_provider(): array {
624
        return [
625
            'string_c' => [
626
                "1708405742",
627
                "%c",
628
                "20 February 2024 at 1:09 pm",
629
            ],
630
            'numeric_c' => [
631
                1708405742,
632
                "%c",
633
                "20 February 2024 at 1:09 pm",
634
            ],
635
            'string_strftimedatetime' => [
636
                "1708405742",
637
                get_string("strftimedatetime", 'langconfig'),
638
                "20 February 2024, 01:09 PM",
639
            ],
640
            'numeric_strftimedatetime' => [
641
                1708405742,
642
                get_string("strftimedatetime", 'langconfig'),
643
                "20 February 2024, 01:09 PM",
644
            ],
645
            'string_strftimedatetimeshortaccurate' => [
646
                "1708405742",
647
                get_string("strftimedatetimeshortaccurate", 'langconfig'),
648
                "20/02/24, 13:09:02",
649
            ],
650
            'numeric_strftimedatetimeshortaccurate' => [
651
                1708405742,
652
                get_string("strftimedatetimeshortaccurate", 'langconfig'),
653
                "20/02/24, 13:09:02",
654
            ],
655
        ];
656
    }
657
 
658
    /**
659
     * Test \core_date::strftime function.
660
     *
661
     * @dataProvider get_strftime_provider
662
     * @param mixed $input Input passed to strftime
663
     * @param string $format The date format to pass to strftime, falls back to '%c' if null
664
     * @param string $expected The output generated by strftime
665
     */
666
    public function test_strftime(mixed $input, string $format, string $expected): void {
667
        $this->assertEqualsIgnoringWhitespace($expected, core_date::strftime($format, $input));
668
    }
669
}