xref: /dokuwiki/_test/tests/inc/cache_use.test.php (revision 5883ebc392a1e20e73055568ea00ad07a50caaba) 
1<?php
2
3/**
4 * Class cache_use_test
5 *
6 * Tests if caching can actually be used
7 */
8class cache_use_test extends DokuWikiTest {
9    /** @var cache_renderer $cache */
10    private $cache;
11
12    function setUp() {
13        global $ID, $conf;
14        parent::setUp();
15
16        $ID = 'cached';
17        $file = wikiFN($ID);
18        $conf['cachetime'] = 0;  // ensure the value is not -1, which disables caching
19
20        saveWikiText($ID, 'Content', 'Created');
21
22        $this->cache = new cache_renderer($ID, $file, 'xhtml');
23        $this->cache->storeCache('Test');
24
25        // set the modification times explicitly (overcome Issue #694)
26        $time = time();
27        touch($file, $time-1);
28        touch($this->cache->cache, $time);
29    }
30
31    function test_use() {
32        $this->assertTrue($this->cache->useCache());
33    }
34
35    /**
36     * In all the following tests the cache should not be usable
37     * as such, they are meaningless if test_use didn't pass.
38     *
39     * @depends test_use
40     */
41    function test_purge() {
42        /* @var Input $INPUT */
43        global $INPUT;
44        $INPUT->set('purge',1);
45
46        $this->assertFalse($this->cache->useCache());
47        $this->assertNotEmpty($this->cache->depends['purge']);
48    }
49
50    /**
51     * @depends test_use
52     */
53    function test_filedependency() {
54        // give the dependent src file the same mtime as the cache
55        touch($this->cache->file, filemtime($this->cache->cache));
56        $this->assertFalse($this->cache->useCache());
57    }
58
59    /**
60     * @depends test_use
61     */
62    function test_age() {
63        // need to age both our source file & the cache
64        $age = 10;
65        $time = time() - $age - 1;  // older than age
66
67        touch($this->cache->file, $time - 1);
68        touch($this->cache->cache, $time);
69
70        $this->assertFalse($this->cache->useCache(array('age' => $age)));
71    }
72
73    /**
74     * @depends test_use
75     */
76    function test_confnocaching() {
77        global $conf;
78        $conf['cachetime'] = -1;   // disables renderer caching
79
80        $this->assertFalse($this->cache->useCache());
81        $this->assertNotEmpty($this->cache->_nocache);
82    }
83}