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1<?php
2/**
3*
4* This file is part of the phpBB Forum Software package.
5*
6* @copyright (c) phpBB Limited <https://www.phpbb.com>
7* @license GNU General Public License, version 2 (GPL-2.0)
8*
9* For full copyright and license information, please see
10* the docs/CREDITS.txt file.
11*
12*/
13
14class phpbb_lock_db_test extends phpbb_database_test_case
15{
16    private $db;
17    private $config;
18    private $lock;
19
20    public function getDataSet()
21    {
22        return $this->createXMLDataSet(__DIR__.'/fixtures/config.xml');
23    }
24
25    protected function setUp(): void
26    {
27        global $db, $config;
28
29        $db = $this->db = $this->new_dbal();
30        $config = $this->config = new \phpbb\config\config(array('rand_seed' => '', 'rand_seed_last_update' => '0'));
31        $this->lock = new \phpbb\lock\db('test_lock', $this->config, $this->db);
32    }
33
34    public function test_new_lock()
35    {
36        $this->assertFalse($this->lock->owns_lock());
37
38        $this->assertTrue($this->lock->acquire());
39        $this->assertTrue($this->lock->owns_lock());
40        $this->assertTrue(isset($this->config['test_lock']), 'Lock was created');
41
42        $lock2 = new \phpbb\lock\db('test_lock', $this->config, $this->db);
43        $this->assertFalse($lock2->acquire());
44        $this->assertFalse($lock2->owns_lock());
45
46        $this->lock->release();
47        $this->assertFalse($this->lock->owns_lock());
48        $this->assertEquals('0', $this->config['test_lock'], 'Lock was released');
49    }
50
51    public function test_expire_lock()
52    {
53        $lock = new \phpbb\lock\db('foo_lock', $this->config, $this->db);
54        $this->assertTrue($lock->acquire());
55    }
56
57    public function test_double_lock()
58    {
59        $this->assertFalse($this->lock->owns_lock());
60
61        $this->assertTrue($this->lock->acquire());
62        $this->assertTrue($this->lock->owns_lock());
63        $this->assertTrue(isset($this->config['test_lock']), 'Lock was created');
64
65        $value = $this->config['test_lock'];
66
67        $this->assertFalse($this->lock->acquire());
68        $this->assertTrue($this->lock->owns_lock());
69        $this->assertEquals($value, $this->config['test_lock'], 'Second lock failed');
70
71        $this->lock->release();
72        $this->assertFalse($this->lock->owns_lock());
73        $this->assertEquals('0', $this->config['test_lock'], 'Lock was released');
74    }
75
76    public function test_double_unlock()
77    {
78        $this->assertTrue($this->lock->acquire());
79        $this->assertTrue($this->lock->owns_lock());
80        $this->assertFalse(empty($this->config['test_lock']), 'First lock is acquired');
81
82        $this->lock->release();
83        $this->assertFalse($this->lock->owns_lock());
84        $this->assertEquals('0', $this->config['test_lock'], 'First lock is released');
85
86        $lock2 = new \phpbb\lock\db('test_lock', $this->config, $this->db);
87        $this->assertTrue($lock2->acquire());
88        $this->assertTrue($lock2->owns_lock());
89        $this->assertFalse(empty($this->config['test_lock']), 'Second lock is acquired');
90
91        $this->lock->release();
92        $this->assertTrue($lock2->owns_lock());
93        $this->assertFalse(empty($this->config['test_lock']), 'Double release of first lock is ignored');
94
95        $lock2->release();
96        $this->assertEquals('0', $this->config['test_lock'], 'Second lock is released');
97    }
98}