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Viewing changes to vendor/guzzlehttp/streams/tests/FnStreamTest.php

  • Committer: Jacek Nykis
  • Date: 2015-02-11 15:35:31 UTC
  • Revision ID: jacek.nykis@canonical.com-20150211153531-hmy6zi0ov2qfkl0b
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vendor/guzzlehttp/streams/tests/FnStreamTest.php
 
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<?php
 
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namespace GuzzleHttp\Tests\Stream;
 
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use GuzzleHttp\Stream\Stream;
 
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use GuzzleHttp\Stream\FnStream;
 
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/**
 
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 * @covers GuzzleHttp\Stream\FnStream
 
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 */
 
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class FnStreamTest extends \PHPUnit_Framework_TestCase
 
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{
 
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    /**
 
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     * @expectedException \BadMethodCallException
 
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     * @expectedExceptionMessage seek() is not implemented in the FnStream
 
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     */
 
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    public function testThrowsWhenNotImplemented()
 
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    {
 
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        (new FnStream([]))->seek(1);
 
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    }
 
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    public function testProxiesToFunction()
 
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    {
 
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        $s = new FnStream([
 
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            'read' => function ($len) {
 
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                $this->assertEquals(3, $len);
 
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                return 'foo';
 
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            }
 
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        ]);
 
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        $this->assertEquals('foo', $s->read(3));
 
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    }
 
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    public function testCanCloseOnDestruct()
 
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    {
 
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        $called = false;
 
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        $s = new FnStream([
 
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            'close' => function () use (&$called) {
 
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                $called = true;
 
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            }
 
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        ]);
 
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        unset($s);
 
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        $this->assertTrue($called);
 
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    }
 
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    public function testDoesNotRequireClose()
 
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    {
 
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        $s = new FnStream([]);
 
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        unset($s);
 
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    }
 
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    public function testDecoratesStream()
 
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    {
 
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        $a = Stream::factory('foo');
 
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        $b = FnStream::decorate($a, []);
 
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        $this->assertEquals(3, $b->getSize());
 
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        $this->assertEquals($b->isWritable(), true);
 
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        $this->assertEquals($b->isReadable(), true);
 
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        $this->assertEquals($b->isSeekable(), true);
 
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        $this->assertEquals($b->read(3), 'foo');
 
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        $this->assertEquals($b->tell(), 3);
 
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        $this->assertEquals($a->tell(), 3);
 
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        $this->assertEquals($b->eof(), true);
 
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        $this->assertEquals($a->eof(), true);
 
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        $b->seek(0);
 
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        $this->assertEquals('foo', (string) $b);
 
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        $b->seek(0);
 
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        $this->assertEquals('foo', $b->getContents());
 
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        $this->assertEquals($a->getMetadata(), $b->getMetadata());
 
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        $b->seek(0, SEEK_END);
 
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        $b->write('bar');
 
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        $this->assertEquals('foobar', (string) $b);
 
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        $b->flush();
 
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        $this->assertInternalType('resource', $b->detach());
 
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        $b->close();
 
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    }
 
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    public function testDecoratesWithCustomizations()
 
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    {
 
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        $called = false;
 
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        $a = Stream::factory('foo');
 
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        $b = FnStream::decorate($a, [
 
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            'read' => function ($len) use (&$called, $a) {
 
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                $called = true;
 
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                return $a->read($len);
 
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            }
 
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        ]);
 
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        $this->assertEquals('foo', $b->read(3));
 
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        $this->assertTrue($called);
 
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    }
 
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}