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
|
--TEST--
GridFS: Testing fseek and fread
--SKIPIF--
<?php if (getenv('SKIP_SLOW_TESTS')) die('skip slow tests excluded by request'); ?>
<?php require_once "tests/utils/standalone.inc" ?>
--FILE--
<?php
require_once "tests/utils/server.inc";
$conn = mongo_standalone();
$db = $conn->selectDb('phpunit');
$grid = $db->getGridFs('wrapper');
// delete any previous results
$grid->drop();
// dummy file
$bytes = "";
for ($i=0; $i < 200*1024; $i++) {
$bytes .= sha1(rand(1, 1000000000));
}
$length = 200*1024 * 40;
$grid->storeBytes($bytes, array("filename" => "demo.txt"));
// fetch it
$file = $grid->findOne(array('filename' => 'demo.txt'));
$chunkSize = $file->file['chunkSize'];
// get file descriptor
$fp = $file->getResource();
// test sets
$tests = array(
array(66061, 97588),
);
/* seek test */
$result = true;
$iter = 5000;
for ($i=0; $i < $iter && $result; $i++) {
$base = rand(0, $chunkSize/2);
$offset = rand(0, $chunkSize/2);
fseek($fp, $base, SEEK_SET);
$read = fread($fp, 1024);
$expected = substr($bytes, $base, 1024);
if (strncmp($read, $expected, strlen($read))) {
var_dump($base, $expected, $read);
die("FAILED: SEEK_SET");
}
fseek($fp, $offset, SEEK_CUR);
$read = fread($fp, 1024);
$expected = substr($bytes, $base + 1024 + $offset, 1024);
if (strncmp($read, $expected, strlen($read))) {
var_dump($base, $base + $offset, $expected, $read);
die("FAILED: SEEK_CUR");
}
fseek($fp, -1*$base, SEEK_END);
$read = fread($fp, 1024);
$expected = substr($bytes, $length - $base, 1024);
if (strncmp($read, $expected, strlen($read))) {
var_dump($length - $base, $expected, $read);
die("FAILED: SEEK_END");
}
}
var_dump($result && $i === $iter);
?>
--EXPECTF--
bool(true)
|
