1<?php
2namespace GuzzleHttp\Tests\Stream;
3
4use GuzzleHttp\Stream\LazyOpenStream;
5
6class LazyOpenStreamTest extends \PHPUnit_Framework_TestCase
7{
8    private $fname;
9
10    public function setup()
11    {
12        $this->fname = tempnam('/tmp', 'tfile');
13
14        if (file_exists($this->fname)) {
15            unlink($this->fname);
16        }
17    }
18
19    public function tearDown()
20    {
21        if (file_exists($this->fname)) {
22            unlink($this->fname);
23        }
24    }
25
26    public function testOpensLazily()
27    {
28        $l = new LazyOpenStream($this->fname, 'w+');
29        $l->write('foo');
30        $this->assertInternalType('array', $l->getMetadata());
31        $this->assertFileExists($this->fname);
32        $this->assertEquals('foo', file_get_contents($this->fname));
33        $this->assertEquals('foo', (string) $l);
34    }
35
36    public function testProxiesToFile()
37    {
38        file_put_contents($this->fname, 'foo');
39        $l = new LazyOpenStream($this->fname, 'r');
40        $this->assertEquals('foo', $l->read(4));
41        $this->assertTrue($l->eof());
42        $this->assertEquals(3, $l->tell());
43        $this->assertTrue($l->isReadable());
44        $this->assertTrue($l->isSeekable());
45        $this->assertFalse($l->isWritable());
46        $l->seek(1);
47        $this->assertEquals('oo', $l->getContents());
48        $this->assertEquals('foo', (string) $l);
49        $this->assertEquals(3, $l->getSize());
50        $this->assertInternalType('array', $l->getMetadata());
51        $l->close();
52    }
53
54    public function testDetachesUnderlyingStream()
55    {
56        file_put_contents($this->fname, 'foo');
57        $l = new LazyOpenStream($this->fname, 'r');
58        $r = $l->detach();
59        $this->assertInternalType('resource', $r);
60        fseek($r, 0);
61        $this->assertEquals('foo', stream_get_contents($r));
62        fclose($r);
63    }
64}
65