Study On Methodology Of Developing Software Testing Suite Of Streaming Media Protocol Stack

With computer network technology unceasing development, the streaming media technology obtain widely applies. Pronunciation, image and video frequency have brought the high grade vision and the sound service to the users. The protocol is regarded as the computer network application foundation. The protocol also provides for the network application software the design standard which realizes. SIP (Session Initiation Protocol) obtained the widespread application as the protocol of streaming media software development protocol. However, the understanding of different developer is difference. Therefore it is also essential to execute the agreement test for streaming media protocol software. SIP is the popular protocol applied in the multimedia data live transmission at present. So this topic research has the practical significance.In the study, the topic analyzed the agreement test procedure based on TTCN-3 and analyzed the characteristics of SIP deeply. In the foundation of research analysis, the topic design and develop a generic test suite in the view of SIP protocol essential method. The test suite is used to execute the agreement test of SIP. On the basis of analyzing Runtime Interface and the interactive process of SIP application software, the implementation of a generic SIP application software adapter was given. And on the basis of analyzing TTCN-3 Control Interface and the data format of message transition of SIP application software, the implementation of a generic codec was given. The topic summarized a test flow of SIP application software based on TTCN-3. The topic has given two test cases that respectively apply in personal computer and mobile phone. The test procedure has the characteristics of easy operator, usability and reusability.The paper contains six parts. Firstly, it introduced the topic research background, the content and the method.Then, it gived the correlation theories knowledge and the technology. The next, it analized the SIP protocol deeply. In the forth part, it gived the design proposal and realizes the method of the generic test suite, the generic codec and the generic adapter. In the fifth part, it gived two test cases that respectively apply in personal computer and mobile phone. In the finally, it summarized the related aspect of the topic.