...
| Code Block | ||
|---|---|---|
| ||
pytest pytest -k zero -v |
Test passed. As expected, the division method returns a ZeroDivisionError exception.
...
We expect there is no possibility to select the 10th element from the list of three. Our test passed because of the IndexError exception.
TypeError example
...
| Code Block | ||
|---|---|---|
| ||
from sources.operations import select_item_from_list
def test_select_item_from_list():
with pytest.raises(IndexError):
select_item_from_list([1, 2, 3], 10)
with pytest.raises(TypeError):
select_item_from_list('list A', 'index') |
ValueError example
...
As expected there is no change to find a position of element '1' in an empty list. Let's run the test and check the output.
The ValueError raised and test_find_item_position_in_list test passed.
...
We used np. ndarray. all() to check if two NumPy arrays are equivalent.
The first test passed and raised a ValueError exception because there is no possibility to reshape the 4 elements list into 2x3 array. The second test also passed - a list of 4 elements can be reshaped into 2x2 array.
...