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
|
<?php
namespace MediaWiki\Tests\Rest;
use InvalidArgumentException;
use MediaWiki\Rest\StringStream;
use MediaWikiUnitTestCase;
/** @covers \MediaWiki\Rest\StringStream */
class StringStreamTest extends MediaWikiUnitTestCase {
public static function provideSeekGetContents() {
return [
[ 'abcde', 0, SEEK_SET, 'abcde' ],
[ 'abcde', 1, SEEK_SET, 'bcde' ],
[ 'abcde', 5, SEEK_SET, '' ],
[ 'abcde', 1, SEEK_CUR, 'cde' ],
[ 'abcde', 0, SEEK_END, '' ],
];
}
/** @dataProvider provideSeekGetContents */
public function testCopyToStream( $input, $offset, $whence, $expected ) {
$ss = new StringStream;
$ss->write( $input );
$ss->seek( 1 );
$ss->seek( $offset, $whence );
$destStream = fopen( 'php://memory', 'w+' );
$ss->copyToStream( $destStream );
fseek( $destStream, 0 );
$result = stream_get_contents( $destStream );
$this->assertSame( $expected, $result );
}
public function testGetSize() {
$ss = new StringStream;
$this->assertSame( 0, $ss->getSize() );
$ss->write( "hello" );
$this->assertSame( 5, $ss->getSize() );
$ss->rewind();
$this->assertSame( 5, $ss->getSize() );
}
public function testTell() {
$ss = new StringStream;
$this->assertSame( 0, $ss->tell() );
$ss->write( "abc" );
$this->assertSame( 3, $ss->tell() );
$ss->seek( 0 );
$ss->read( 1 );
$this->assertSame( 1, $ss->tell() );
}
public function testEof() {
$ss = new StringStream( 'abc' );
$this->assertFalse( $ss->eof() );
$ss->read( 1 );
$this->assertFalse( $ss->eof() );
$ss->read( 1 );
$this->assertFalse( $ss->eof() );
$ss->read( 1 );
$this->assertTrue( $ss->eof() );
$ss->rewind();
$this->assertFalse( $ss->eof() );
}
public function testIsSeekable() {
$ss = new StringStream;
$this->assertTrue( $ss->isSeekable() );
}
public function testIsReadable() {
$ss = new StringStream;
$this->assertTrue( $ss->isReadable() );
}
public function testIsWritable() {
$ss = new StringStream;
$this->assertTrue( $ss->isWritable() );
}
public function testSeekWrite() {
$ss = new StringStream;
$this->assertSame( '', (string)$ss );
$ss->write( 'a' );
$this->assertSame( 'a', (string)$ss );
$ss->write( 'b' );
$this->assertSame( 'ab', (string)$ss );
$ss->seek( 1 );
$ss->write( 'c' );
$this->assertSame( 'ac', (string)$ss );
}
/** @dataProvider provideSeekGetContents */
public function testSeekGetContents( $input, $offset, $whence, $expected ) {
$ss = new StringStream( $input );
$ss->seek( 1 );
$ss->seek( $offset, $whence );
$this->assertSame( $expected, $ss->getContents() );
}
public static function provideSeekRead() {
return [
[ 'abcde', 0, SEEK_SET, 1, 'a' ],
[ 'abcde', 0, SEEK_SET, 2, 'ab' ],
[ 'abcde', 4, SEEK_SET, 2, 'e' ],
[ 'abcde', 5, SEEK_SET, 1, '' ],
[ 'abcde', 1, SEEK_CUR, 1, 'c' ],
[ 'abcde', 0, SEEK_END, 1, '' ],
[ 'abcde', -1, SEEK_END, 1, 'e' ],
];
}
/** @dataProvider provideSeekRead */
public function testSeekRead( $input, $offset, $whence, $length, $expected ) {
$ss = new StringStream( $input );
$ss->seek( 1 );
$ss->seek( $offset, $whence );
$this->assertSame( $expected, $ss->read( $length ) );
}
public function testReadBeyondEnd() {
$ss = new StringStream( 'abc' );
$this->expectException( InvalidArgumentException::class );
$ss->seek( 1, SEEK_END );
}
public function testReadBeforeStart() {
$ss = new StringStream( 'abc' );
$this->expectException( InvalidArgumentException::class );
$ss->seek( -1 );
}
}
|
