[Tutor] unittest: looking for examples

Kent Johnson kent37 at tds.net
Wed Aug 17 15:01:57 CEST 2005

Christian Meesters wrote:
> - unittests for methods of classes getting all data from a file as a 
> classmethod

Not sure what you mean by this, can you give a simple example?

> - unittests for reading and saving files in a specific way (= sanity 
> tests for file handling)

When I want to test a function that writes a file I usually have a collection of reference files and compare the actual results of running the function against the reference file.

To test reading a file, again I have a reference file that is read, then I test the results of the read.

Round-trip tests can be helpful too - read a file, write the data back out and compare with the original.

> Point is that I want to test such methods directly, but also that I 
> cannot set up unittest in my case without getting some data from a file 
> (otherwise my testing module would get way too big). 

Not sure why that is a problem...


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