public function testReadsLineUntilFalseReturnedFromRead() { $s = $this->getMockBuilder('RingCentral\\Psr7\\Stream')->setMethods(array('read', 'eof'))->disableOriginalConstructor()->getMock(); $s->expects($this->exactly(2))->method('read')->will($this->returnCallback(function () { static $c = false; if ($c) { return false; } $c = true; return 'h'; })); $s->expects($this->exactly(2))->method('eof')->will($this->returnValue(false)); $this->assertEquals("h", Psr7\readline($s)); }
public function testSkipsOverwrittenBytes() { $decorated = Psr7\stream_for(implode("\n", array_map(function ($n) { return str_pad($n, 4, '0', STR_PAD_LEFT); }, range(0, 25)))); $body = new CachingStream($decorated); $this->assertEquals("0000\n", Psr7\readline($body)); $this->assertEquals("0001\n", Psr7\readline($body)); // Write over part of the body yet to be read, so skip some bytes $this->assertEquals(5, $body->write("TEST\n")); $this->assertEquals(5, $this->readAttribute($body, 'skipReadBytes')); // Read, which skips bytes, then reads $this->assertEquals("0003\n", Psr7\readline($body)); $this->assertEquals(0, $this->readAttribute($body, 'skipReadBytes')); $this->assertEquals("0004\n", Psr7\readline($body)); $this->assertEquals("0005\n", Psr7\readline($body)); // Overwrite part of the cached body (so don't skip any bytes) $body->seek(5); $this->assertEquals(5, $body->write("ABCD\n")); $this->assertEquals(0, $this->readAttribute($body, 'skipReadBytes')); $this->assertEquals("TEST\n", Psr7\readline($body)); $this->assertEquals("0003\n", Psr7\readline($body)); $this->assertEquals("0004\n", Psr7\readline($body)); $this->assertEquals("0005\n", Psr7\readline($body)); $this->assertEquals("0006\n", Psr7\readline($body)); $this->assertEquals(5, $body->write("1234\n")); $this->assertEquals(5, $this->readAttribute($body, 'skipReadBytes')); // Seek to 0 and ensure the overwritten bit is replaced $body->seek(0); $this->assertEquals("0000\nABCD\nTEST\n0003\n0004\n0005\n0006\n1234\n0008\n0009\n", $body->read(50)); // Ensure that casting it to a string does not include the bit that was overwritten $this->assertContains("0000\nABCD\nTEST\n0003\n0004\n0005\n0006\n1234\n0008\n0009\n", (string) $body); }