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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
<?php
namespace GuzzleHttp\Tests;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\ClientException;
use GuzzleHttp\Handler\MockHandler;
use GuzzleHttp\HandlerStack;
use GuzzleHttp\Pool;
use GuzzleHttp\Promise\Promise;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Response;
use PHPUnit\Framework\TestCase;
use Psr\Http\Message\RequestInterface;
class PoolTest extends TestCase
{
public function testValidatesIterable()
{
$p = new Pool(new Client(), 'foo');
$this->expectException(\InvalidArgumentException::class);
$p->promise()->wait();
}
public function testValidatesEachElement()
{
$c = new Client();
$requests = ['foo'];
$p = new Pool($c, new \ArrayIterator($requests));
$this->expectException(\InvalidArgumentException::class);
$p->promise()->wait();
}
/**
* @doesNotPerformAssertions
*/
public function testSendsAndRealizesFuture()
{
$c = $this->getClient();
$p = new Pool($c, [new Request('GET', 'http://example.com')]);
$p->promise()->wait();
}
/**
* @doesNotPerformAssertions
*/
public function testExecutesPendingWhenWaiting()
{
$r1 = new Promise(static function () use (&$r1) {
$r1->resolve(new Response());
});
$r2 = new Promise(static function () use (&$r2) {
$r2->resolve(new Response());
});
$r3 = new Promise(static function () use (&$r3) {
$r3->resolve(new Response());
});
$handler = new MockHandler([$r1, $r2, $r3]);
$c = new Client(['handler' => $handler]);
$p = new Pool($c, [
new Request('GET', 'http://example.com'),
new Request('GET', 'http://example.com'),
new Request('GET', 'http://example.com'),
], ['pool_size' => 2]);
$p->promise()->wait();
}
public function testUsesRequestOptions()
{
$h = [];
$handler = new MockHandler([
static function (RequestInterface $request) use (&$h) {
$h[] = $request;
return new Response();
},
]);
$c = new Client(['handler' => $handler]);
$opts = ['options' => ['headers' => ['x-foo' => 'bar']]];
$p = new Pool($c, [new Request('GET', 'http://example.com')], $opts);
$p->promise()->wait();
self::assertCount(1, $h);
self::assertTrue($h[0]->hasHeader('x-foo'));
}
public function testCanProvideCallablesThatReturnResponses()
{
$h = [];
$handler = new MockHandler([
static function (RequestInterface $request) use (&$h) {
$h[] = $request;
return new Response();
},
]);
$c = new Client(['handler' => $handler]);
$optHistory = [];
$fn = static function (array $opts) use (&$optHistory, $c) {
$optHistory = $opts;
return $c->request('GET', 'http://example.com', $opts);
};
$opts = ['options' => ['headers' => ['x-foo' => 'bar']]];
$p = new Pool($c, [$fn], $opts);
$p->promise()->wait();
self::assertCount(1, $h);
self::assertTrue($h[0]->hasHeader('x-foo'));
}
public function testBatchesResults()
{
$requests = [
new Request('GET', 'http://foo.com/200'),
new Request('GET', 'http://foo.com/201'),
new Request('GET', 'http://foo.com/202'),
new Request('GET', 'http://foo.com/404'),
];
$fn = static function (RequestInterface $request) {
return new Response(\substr($request->getUri()->getPath(), 1));
};
$mock = new MockHandler([$fn, $fn, $fn, $fn]);
$handler = HandlerStack::create($mock);
$client = new Client(['handler' => $handler]);
$results = Pool::batch($client, $requests);
self::assertCount(4, $results);
self::assertSame([0, 1, 2, 3], \array_keys($results));
self::assertSame(200, $results[0]->getStatusCode());
self::assertSame(201, $results[1]->getStatusCode());
self::assertSame(202, $results[2]->getStatusCode());
self::assertInstanceOf(ClientException::class, $results[3]);
}
public function testBatchesResultsWithCallbacks()
{
$requests = [
new Request('GET', 'http://foo.com/200'),
new Request('GET', 'http://foo.com/201'),
];
$mock = new MockHandler([
static function (RequestInterface $request) {
return new Response(\substr($request->getUri()->getPath(), 1));
},
]);
$client = new Client(['handler' => $mock]);
$results = Pool::batch($client, $requests, [
'fulfilled' => static function ($value) use (&$called) {
$called = true;
},
]);
self::assertCount(2, $results);
self::assertTrue($called);
}
public function testUsesYieldedKeyInFulfilledCallback()
{
$r1 = new Promise(static function () use (&$r1) {
$r1->resolve(new Response());
});
$r2 = new Promise(static function () use (&$r2) {
$r2->resolve(new Response());
});
$r3 = new Promise(static function () use (&$r3) {
$r3->resolve(new Response());
});
$handler = new MockHandler([$r1, $r2, $r3]);
$c = new Client(['handler' => $handler]);
$keys = [];
$requests = [
'request_1' => new Request('GET', 'http://example.com'),
'request_2' => new Request('GET', 'http://example.com'),
'request_3' => new Request('GET', 'http://example.com'),
];
$p = new Pool($c, $requests, [
'pool_size' => 2,
'fulfilled' => static function ($res, $index) use (&$keys) {
$keys[] = $index;
},
]);
$p->promise()->wait();
self::assertCount(3, $keys);
self::assertSame($keys, \array_keys($requests));
}
private function getClient($total = 1)
{
$queue = [];
for ($i = 0; $i < $total; ++$i) {
$queue[] = new Response();
}
$handler = new MockHandler($queue);
return new Client(['handler' => $handler]);
}
}
|
