def test_simple():
num_list = [1, 2]
observed = mean(num_list)
expected = 1.5
assert observed == expected
def test_type_error():
with pytest.raises(TypeError):
mean(5)
def test_many(num_list, expected_mean):
assert mean(num_list) == expected_mean
def test_more(
num_list
): # pytest will scan for all the fixtures and search for num_lists
assert mean(num_list) == 3.0
def test_empty():
with pytest.raises(ZeroDivisionError):
mean([])
def test_more(num_list):
assert mean (num_list) == 3.0
def test_simple():
num_list = [1, 2]
observed = mean(num_list)
expected = 1.5
assert observed == expected # assert : test boolean expression. If true, do nothing
def test_many(
num_list, expected_mean
): #We should do assert a==b every time.. So We can parametrize it.
assert mean(num_list) == expected_mean
def test_type_error(num_list):
with pytest.raises(TypeError):
mean(num_list)
def test_empty():
with pytest.raises(ZeroDivisionError
): #len(list)==0 ZeroDivisionError, if not, give error
mean([])
