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
|
<?php
declare(strict_types=1);
namespace GuzzleHttp\Tests\Psr7;
use GuzzleHttp\Psr7\BufferStream;
use PHPUnit\Framework\TestCase;
class BufferStreamTest extends TestCase
{
public function testHasMetadata(): void
{
$b = new BufferStream(10);
self::assertTrue($b->isReadable());
self::assertTrue($b->isWritable());
self::assertFalse($b->isSeekable());
self::assertNull($b->getMetadata('foo'));
self::assertSame(10, $b->getMetadata('hwm'));
self::assertSame([], $b->getMetadata());
}
public function testRemovesReadDataFromBuffer(): void
{
$b = new BufferStream();
self::assertSame(3, $b->write('foo'));
self::assertSame(3, $b->getSize());
self::assertFalse($b->eof());
self::assertSame('foo', $b->read(10));
self::assertTrue($b->eof());
self::assertSame('', $b->read(10));
}
public function testCanCastToStringOrGetContents(): void
{
$b = new BufferStream();
$b->write('foo');
$b->write('baz');
self::assertSame('foo', $b->read(3));
$b->write('bar');
self::assertSame('bazbar', (string) $b);
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('Cannot determine the position of a BufferStream');
$b->tell();
}
public function testDetachClearsBuffer(): void
{
$b = new BufferStream();
$b->write('foo');
$b->detach();
self::assertTrue($b->eof());
self::assertSame(3, $b->write('abc'));
self::assertSame('abc', $b->read(10));
}
public function testExceedingHighwaterMarkReturnsFalseButStillBuffers(): void
{
$b = new BufferStream(5);
self::assertSame(3, $b->write('hi '));
self::assertSame(0, $b->write('hello'));
self::assertSame('hi hello', (string) $b);
self::assertSame(4, $b->write('test'));
}
}
|
