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63 lines
1.9 KiB
63 lines
1.9 KiB
<?php
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namespace GuzzleHttp\Tests\Psr7;
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use GuzzleHttp\Psr7\BufferStream;
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class BufferStreamTest extends BaseTest
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{
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public function testHasMetadata()
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{
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$b = new BufferStream(10);
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$this->assertTrue($b->isReadable());
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$this->assertTrue($b->isWritable());
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$this->assertFalse($b->isSeekable());
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$this->assertEquals(null, $b->getMetadata('foo'));
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$this->assertEquals(10, $b->getMetadata('hwm'));
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$this->assertEquals([], $b->getMetadata());
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}
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public function testRemovesReadDataFromBuffer()
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{
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$b = new BufferStream();
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$this->assertEquals(3, $b->write('foo'));
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$this->assertEquals(3, $b->getSize());
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$this->assertFalse($b->eof());
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$this->assertEquals('foo', $b->read(10));
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$this->assertTrue($b->eof());
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$this->assertEquals('', $b->read(10));
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}
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/**
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* @expectedException \RuntimeException
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* @expectedExceptionMessage Cannot determine the position of a BufferStream
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*/
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public function testCanCastToStringOrGetContents()
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{
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$b = new BufferStream();
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$b->write('foo');
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$b->write('baz');
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$this->assertEquals('foo', $b->read(3));
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$b->write('bar');
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$this->assertEquals('bazbar', (string) $b);
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$b->tell();
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}
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public function testDetachClearsBuffer()
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{
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$b = new BufferStream();
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$b->write('foo');
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$b->detach();
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$this->assertTrue($b->eof());
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$this->assertEquals(3, $b->write('abc'));
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$this->assertEquals('abc', $b->read(10));
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}
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public function testExceedingHighwaterMarkReturnsFalseButStillBuffers()
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{
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$b = new BufferStream(5);
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$this->assertEquals(3, $b->write('hi '));
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$this->assertFalse($b->write('hello'));
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$this->assertEquals('hi hello', (string) $b);
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$this->assertEquals(4, $b->write('test'));
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}
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}
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