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comparison vendor/sabre/vobject/tests/VObject/Recur/EventIterator/InfiniteLoopProblemTest.php @ 7:430dbd5346f7

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vendor sabre as distributed
author Charlie Root
date Sat, 13 Jan 2018 09:06:10 -0500
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6:cec75ba50afc 7:430dbd5346f7
1 <?php
2
3 namespace Sabre\VObject\Recur\EventIterator;
4
5 use
6 DateTime,
7 DateTimeZone,
8 Sabre\VObject\Component\VCalendar,
9 Sabre\VObject\Recur;
10
11 class EventIteratorInfiniteLoopProblemTest extends \PHPUnit_Framework_TestCase {
12
13 public function setUp() {
14
15 $this->vcal = new VCalendar();
16
17 }
18
19 /**
20 * This bug came from a Fruux customer. This would result in a never-ending
21 * request.
22 */
23 function testFastForwardTooFar() {
24
25 $ev = $this->vcal->createComponent('VEVENT');
26 $ev->UID = 'foobar';
27 $ev->DTSTART = '20090420T180000Z';
28 $ev->RRULE = 'FREQ=WEEKLY;BYDAY=MO;UNTIL=20090704T205959Z;INTERVAL=1';
29
30 $this->assertFalse($ev->isInTimeRange(new DateTime('2012-01-01 12:00:00'),new DateTime('3000-01-01 00:00:00')));
31
32 }
33
34 /**
35 * Different bug, also likely an infinite loop.
36 */
37 function testYearlyByMonthLoop() {
38
39 $ev = $this->vcal->createComponent('VEVENT');
40 $ev->UID = 'uuid';
41 $ev->DTSTART = '20120101T154500';
42 $ev->DTSTART['TZID'] = 'Europe/Berlin';
43 $ev->RRULE = 'FREQ=YEARLY;INTERVAL=1;UNTIL=20120203T225959Z;BYMONTH=2;BYSETPOS=1;BYDAY=SU,MO,TU,WE,TH,FR,SA';
44 $ev->DTEND = '20120101T164500';
45 $ev->DTEND['TZID'] = 'Europe/Berlin';
46
47 // This recurrence rule by itself is a yearly rule that should happen
48 // every february.
49 //
50 // The BYDAY part expands this to every day of the month, but the
51 // BYSETPOS limits this to only the 1st day of the month. Very crazy
52 // way to specify this, and could have certainly been a lot easier.
53 $this->vcal->add($ev);
54
55 $it = new Recur\EventIterator($this->vcal,'uuid');
56 $it->fastForward(new DateTime('2012-01-29 23:00:00', new DateTimeZone('UTC')));
57
58 $collect = array();
59
60 while($it->valid()) {
61 $collect[] = $it->getDTSTART();
62 if ($it->getDTSTART() > new DateTime('2013-02-05 22:59:59', new DateTimeZone('UTC'))) {
63 break;
64 }
65 $it->next();
66
67 }
68
69 $this->assertEquals(
70 array(new DateTime('2012-02-01 15:45:00', new DateTimeZone('Europe/Berlin'))),
71 $collect
72 );
73
74 }
75
76 /**
77 * Something, somewhere produced an ics with an interval set to 0. Because
78 * this means we increase the current day (or week, month) by 0, this also
79 * results in an infinite loop.
80 *
81 * @expectedException InvalidArgumentException
82 * @return void
83 */
84 function testZeroInterval() {
85
86 $ev = $this->vcal->createComponent('VEVENT');
87 $ev->UID = 'uuid';
88 $ev->DTSTART = '20120824T145700Z';
89 $ev->RRULE = 'FREQ=YEARLY;INTERVAL=0';
90 $this->vcal->add($ev);
91
92 $it = new Recur\EventIterator($this->vcal,'uuid');
93 $it->fastForward(new DateTime('2013-01-01 23:00:00', new DateTimeZone('UTC')));
94
95 // if we got this far.. it means we are no longer infinitely looping
96
97 }
98
99 }