/**
* append messages to a buffer in chunks
* and make sure we properly determine if there is a message in a buffer
* and properly read messages
*/
public function testConnectionReadChunks()
{
$connection = new Connection(new Stomp\ConnectionFactory\NullFactory());
$frame1 = new Stomp\Message\Map(array("title" => "lorem ipsum \n\n test end of line", "descripiton" => "test1\n\n"));
$frame2 = new Stomp\Message\Map(array("title" => "lorem ipsum \n\n test end of line", "descripiton" => "test2\n\n"));
$this->assertFalse($connection->_bufferContainsMessage(), 'Do not expect any messages in connection');
$connection->_appendToBuffer($frame1->__toString());
// brake second message apart so we can insert chunks of it in to buffer
$frame2_msg = $frame2->__toString();
$frame2_part1 = substr($frame2_msg, 0, 50);
$frame2_part2 = substr($frame2_msg, 50);
// append just a chunk of a second message
$connection->_appendToBuffer("\n\n");
$connection->_appendToBuffer($frame2_part1);
$this->assertTrue($connection->_bufferContainsMessage(), 'Expect a message and a half');
//remove first message from buffer
$message = $connection->readFrame();
$this->assertNotNull($message, "Expected a message");
$this->assertFalse($connection->_bufferContainsMessage(), "There is only half of message in a buffere");
// put second chank in to a buffer
$connection->_appendToBuffer($frame2_part2);
$this->assertTrue($connection->_bufferContainsMessage(), "We should have got a message in a buffer");
$message2 = $connection->readFrame();
$this->assertNotNull($message2, "Expected second frame here");
}
public function testExtractNextMessage()
{
// Make sure the buffer is empty to start
$this->assertEquals('', $this->stomp->_getBuffer());
$this->assertFalse($this->stomp->_bufferContainsMessage());
// Fill the buffer up with 3 messages
$this->stomp->_appendToBuffer("MESSAGE1\n\nBODY1\n");
$this->stomp->_appendToBuffer("MESSAGE2\n\nBODY2\n");
$this->stomp->_appendToBuffer("MESSAGE3\n\nBODY3\n");
$this->assertEquals("MESSAGE1\n\nBODY1\nMESSAGE2\n\nBODY2\nMESSAGE3\n\nBODY3\n", $this->stomp->_getBuffer());
$this->assertTrue($this->stomp->_bufferContainsMessage());
// Extract all 3 sequentially
$this->assertEquals("MESSAGE1\n\nBODY1\n", $this->stomp->_extractNextMessage());
$this->assertEquals("MESSAGE2\n\nBODY2\nMESSAGE3\n\nBODY3\n", $this->stomp->_getBuffer());
$this->assertEquals("MESSAGE2\n\nBODY2\n", $this->stomp->_extractNextMessage());
$this->assertEquals("MESSAGE3\n\nBODY3\n", $this->stomp->_getBuffer());
$this->assertEquals("MESSAGE3\n\nBODY3\n", $this->stomp->_extractNextMessage());
$this->assertEquals("", $this->stomp->_getBuffer());
// Now that the buffer is empty, add another message
$this->stomp->_appendToBuffer("MESSAGE4\n\nBODY4\n");
$this->assertEquals("MESSAGE4\n\nBODY4\n", $this->stomp->_getBuffer());
// Extract that message
$this->assertEquals("MESSAGE4\n\nBODY4\n", $this->stomp->_extractNextMessage());
$this->assertEquals("", $this->stomp->_getBuffer());
// verify that trying to extract from an empty buffer returns empty string
$this->stomp->_appendToBuffer("");
$this->assertEquals("", $this->stomp->_getBuffer());
// Now that the buffer is empty, add another message
// This is to verify that extracting a message from an empty buffer doesn't break something
$this->stomp->_appendToBuffer("MESSAGE5\n\nBODY5\n");
$this->assertEquals("MESSAGE5\n\nBODY5\n", $this->stomp->_getBuffer());
// Extract that message
$this->assertEquals("MESSAGE5\n\nBODY5\n", $this->stomp->_extractNextMessage());
$this->assertEquals("", $this->stomp->_getBuffer());
// verify that trying to extract from an empty buffer returns empty string
$this->stomp->_appendToBuffer("");
$this->assertEquals("", $this->stomp->_getBuffer());
}
