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Why you should use a testing framework
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The case for using a testing framework to make your software robust, with a simple example in MATLAB.
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- 1.
- Why you should use a testing framework
2. Our goal: write a function to calculate the length of the
hypotenuse of a right-angled triangle from the other two sides 3.
4. 5. 6.
- ( nargin returns the number of arguments passed into the
function)
7. 8.
- In MATLAB,[]represents an empty matrix.
9. 10. 11.
- Uh-oh.The answers should
be1.414e300and1.414e-300respectively.
12. 13. 14.
- We need to do lots of tests.
15. We need to do each test lots of times.
- It would be a good idea to have a suite of tests that can be
easily created/run/maintained.
16. 17.
- Lots of short functions/methods representing individual
tests
18.
- Lots of short functions/methods representing individual
tests
19. A suite function that runs some or all of the tests. 20.
- Lots of short functions/methods representing individual
tests
21. A suite function that runs some or all of the tests. 22.
Some utility functions for handling errors and displaying results.
23. 24. 25. 26.
- Thorough testing is necessary.
27.
- Thorough testing is necessary.
28. If we use a testing framework, then thorough testing neednt
be onerous. 29.
- Thorough testing is necessary.
30. If we use a testing framework, then thorough testing neednt
be onerous.
- 1 & 2 => Testing frameworks are a great idea.
31.
- Lists of testing frameworks
- http://c2.com/cgi/wiki?TestingFramework
http://en.wikipedia.org/wiki/List_of_unit_testing_frameworks
- " Testing Computer Software " by Kaner et al, especially Ch. 3
http://en.wikipedia.org/wiki/Software_testing
http://software-carpentry.org/4_0/test/
