Lithium Docs

						public function testJsonPost() {
		$http = new Service($this->_testConfig);
		$http->post('update.xml', array('status' => 'cool'), array('type' => 'json'));
		$expected = join("\r\n", array(
			'POST /update.xml HTTP/1.1',
			'Host: localhost:80',
			'Connection: Close',
			'User-Agent: Mozilla/5.0',
			'Content-Type: application/json',
			'Content-Length: 17',
			'', '{"status":"cool"}'
		));
		$result = (string) $http->last->request;
		$this->assertEqual($expected, $result);

		$expected = join("\r\n", array(
			'HTTP/1.1 200 OK',
			'Host: localhost:80',
			'Connection: Close',
			'User-Agent: Mozilla/5.0',
			'Content-Type: application/json',
			'Content-Length: 17',
			'', '{"status":"cool"}'
		));
		$result = (string) $http->last->response;
		$this->assertEqual($expected, $result);
	}