Unit Testing

Question 1

In collab, what does the command:
%%file calc.py
do?

Answer 1

The code that you write in a cell is save to the file with name calc.py which is located at the current directory

Question 2

When testing a class method should you call it or pass a reference??

Answer 2

Reference

Question 3

What does setUp and tearDown do?

Answer 3

They allow us to define statements that will be executed before and after each test

Question 4

Are unit test executed in the sequence that they are listed in the scrip?

Answer 4

No and that’s why they should be independend from one another

Question 5

Is it possible to run a code snippet before all tests and after all tests? If yes, how?

Answer 5

Yes. Use setUpClass and tearDownClass with decorator @classmethod

Question 6

If you want to test calc.py then what naming should you use for the test file and test methods?

Answer 6

file: test_calc.py
class: TestCalc(unittest.TestCase)
function add:
test_add

Question 7

High coverage means that the code is well tested?

Answer 7

Not always

Question 8

Low coverage means that the code is not well tested?

Answer 8

Yes