9 points a software test engineer must know

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1, the Software test definition: The test object is detected by manual or automatic means, the purpose is to find out whether the object of the test realizes the user's demand, or to ascertain the difference between the actual demerit and the expectation.

　　2. Purpose of Software testing:

(1) The difference between the measured object and the user's requirements is found

(2) Identify problems with software and solve problems

3. Software Test object:

(1) Source code

(2) Documentation

(3) configuration data

4. Software Testing Requirements Phase:

(1) Requirements Document: whether the user needs to be correctly implemented

(2) Design phase: summary design, detailed design documentation, logical OR design errors

5. Coding test: Test source code

6, System test: Detect whether the object to meet user needs

7. Test level:

(1) Unit test: The smallest constituent unit of the system under test, usually a class or function

(2) Integration testing: Inter-function integration, module integration, inter-subsystem integration

(3) System test: will pass the integration test software, not belong to the pig really user environment, carries on the test

(4) Acceptance test: User-oriented testing

8. Method:

(1) Black box: do not pay attention to the internal structure of the object under test, only from the user's needs, whether to meet the explicit or implicit needs of users

(2) white box : Structural test

(3) gray box : Focus on the external characteristics of the object under test and the internal design of the object under test

(4) static : Do not execute the object under test, do not run the object under test

(5) dynamic : Execute the object under test

(6) manual : Through the test engineer trial, verify whether the object to meet user needs

(7) automatic : Test by automated test tool, or scripting language after the uterus

9. System test Type: Functional test, performance test, safety test, compatibility test

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9 points a software test engineer must know