The main purpose of this study is to propose some principles for the testing of speaking skill. It focuses on exploring the types of speaking tests, characteristics of a good speaking test, administration of a speaking test, types and appropriateness of speaking tasks, analysis of IELTS speaking test and scoring of oral assessment. The data is collected from various sources such as web search engines, articles from different research journals and from different books as it is a library based research. This essay concludes that to develop speaking skill, appropriate measure to test the speaking skill is very important. For an assessor, it is very important to have knowledge of the criteria for the preparation of oral test. Moreover, selection of tasks to test speaking skill and scoring criteria of these tests can lead a test to a standard oral test.
Key words: testing of speaking skill; construction of speaking test; testing criteria; scoring of speaking test; testing tasks