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
|
<?php
/**
* @group HashRing
*/
class HashRingTest extends PHPUnit\Framework\TestCase {
use MediaWikiCoversValidator;
/**
* @covers HashRing
*/
public function testHashRing() {
$ring = new HashRing( [ 's1' => 1, 's2' => 1, 's3' => 2, 's4' => 2, 's5' => 2, 's6' => 3 ] );
$locations = [];
for ( $i = 0; $i < 20; $i++ ) {
$locations[ "hello$i"] = $ring->getLocation( "hello$i" );
}
$expectedLocations = [
"hello0" => "s5",
"hello1" => "s6",
"hello2" => "s2",
"hello3" => "s5",
"hello4" => "s6",
"hello5" => "s4",
"hello6" => "s5",
"hello7" => "s4",
"hello8" => "s5",
"hello9" => "s5",
"hello10" => "s3",
"hello11" => "s6",
"hello12" => "s1",
"hello13" => "s3",
"hello14" => "s3",
"hello15" => "s5",
"hello16" => "s4",
"hello17" => "s6",
"hello18" => "s6",
"hello19" => "s3"
];
$this->assertEquals( $expectedLocations, $locations, 'Items placed at proper locations' );
$locations = [];
for ( $i = 0; $i < 5; $i++ ) {
$locations[ "hello$i"] = $ring->getLocations( "hello$i", 2 );
}
$expectedLocations = [
"hello0" => [ "s5", "s6" ],
"hello1" => [ "s6", "s4" ],
"hello2" => [ "s2", "s1" ],
"hello3" => [ "s5", "s6" ],
"hello4" => [ "s6", "s4" ],
];
$this->assertEquals( $expectedLocations, $locations, 'Items placed at proper locations' );
}
}
|
