def test_number_of_detail_rows_must_be_integer(self):
f = DataFile()
with pytest.raises(AssertionError) as e:
f.number_of_detail_rows_is("Michael")
assert "Failed attempting to convert input to an integer." in str(e)
def test_set_valid_number_of_detail_rows(self):
f = DataFile()
f.number_of_detail_rows_is(1000)
assert f.number_of_rows == 1000
def test_number_of_detail_rows_must_be_positive(self):
f = DataFile()
with pytest.raises(AssertionError) as e:
f.number_of_detail_rows_is(-1)
assert "Number of details rows must be a positive integer." in str(e)