File: ConcurrentLimiterTest.php

package info (click to toggle)
php-laravel-framework 10.48.29%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 19,188 kB
  • sloc: php: 232,347; sh: 167; makefile: 46
file content (174 lines) | stat: -rw-r--r-- 4,384 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
<?php

namespace Illuminate\Tests\Redis;

use Error;
use Illuminate\Contracts\Redis\LimiterTimeoutException;
use Illuminate\Foundation\Testing\Concerns\InteractsWithRedis;
use Illuminate\Redis\Limiters\ConcurrencyLimiter;
use PHPUnit\Framework\TestCase;
use Throwable;

class ConcurrentLimiterTest extends TestCase
{
    use InteractsWithRedis;

    protected function setUp(): void
    {
        parent::setUp();

        $this->setUpRedis();
    }

    protected function tearDown(): void
    {
        parent::tearDown();

        $this->tearDownRedis();
    }

    public function testItLocksTasksWhenNoSlotAvailable()
    {
        $store = [];

        foreach (range(1, 2) as $i) {
            (new ConcurrencyLimiterMockThatDoesntRelease($this->redis(), 'key', 2, 5))->block(2, function () use (&$store, $i) {
                $store[] = $i;
            });
        }

        try {
            (new ConcurrencyLimiterMockThatDoesntRelease($this->redis(), 'key', 2, 5))->block(0, function () use (&$store) {
                $store[] = 3;
            });
        } catch (Throwable $e) {
            $this->assertInstanceOf(LimiterTimeoutException::class, $e);
        }

        (new ConcurrencyLimiterMockThatDoesntRelease($this->redis(), 'other_key', 2, 5))->block(2, function () use (&$store) {
            $store[] = 4;
        });

        $this->assertEquals([1, 2, 4], $store);
    }

    public function testItReleasesLockAfterTaskFinishes()
    {
        $store = [];

        foreach (range(1, 4) as $i) {
            (new ConcurrencyLimiter($this->redis(), 'key', 2, 5))->block(2, function () use (&$store, $i) {
                $store[] = $i;
            });
        }

        $this->assertEquals([1, 2, 3, 4], $store);
    }

    public function testItReleasesLockIfTaskTookTooLong()
    {
        $store = [];

        $lock = (new ConcurrencyLimiterMockThatDoesntRelease($this->redis(), 'key', 1, 1));

        $lock->block(2, function () use (&$store) {
            $store[] = 1;
        });

        try {
            $lock->block(0, function () use (&$store) {
                $store[] = 2;
            });
        } catch (Throwable $e) {
            $this->assertInstanceOf(LimiterTimeoutException::class, $e);
        }

        usleep(1.2 * 1000000);

        $lock->block(0, function () use (&$store) {
            $store[] = 3;
        });

        $this->assertEquals([1, 3], $store);
    }

    public function testItFailsImmediatelyOrRetriesForAWhileBasedOnAGivenTimeout()
    {
        $store = [];

        $lock = (new ConcurrencyLimiterMockThatDoesntRelease($this->redis(), 'key', 1, 2));

        $lock->block(2, function () use (&$store) {
            $store[] = 1;
        });

        try {
            $lock->block(0, function () use (&$store) {
                $store[] = 2;
            });
        } catch (Throwable $e) {
            $this->assertInstanceOf(LimiterTimeoutException::class, $e);
        }

        $lock->block(3, function () use (&$store) {
            $store[] = 3;
        });

        $this->assertEquals([1, 3], $store);
    }

    public function testItFailsAfterRetryTimeout()
    {
        $store = [];

        $lock = (new ConcurrencyLimiterMockThatDoesntRelease($this->redis(), 'key', 1, 10));

        $lock->block(2, function () use (&$store) {
            $store[] = 1;
        });

        try {
            $lock->block(2, function () use (&$store) {
                $store[] = 2;
            });
        } catch (Throwable $e) {
            $this->assertInstanceOf(LimiterTimeoutException::class, $e);
        }

        $this->assertEquals([1], $store);
    }

    public function testItReleasesIfErrorIsThrown()
    {
        $store = [];

        $lock = new ConcurrencyLimiter($this->redis(), 'key', 1, 5);

        try {
            $lock->block(1, function () {
                throw new Error;
            });
        } catch (Error) {
        }

        $lock = new ConcurrencyLimiter($this->redis(), 'key', 1, 5);
        $lock->block(1, function () use (&$store) {
            $store[] = 1;
        });

        $this->assertEquals([1], $store);
    }

    private function redis()
    {
        return $this->redis['phpredis']->connection();
    }
}

class ConcurrencyLimiterMockThatDoesntRelease extends ConcurrencyLimiter
{
    protected function release($key, $id)
    {
        //
    }
}