def test_price_eq_0(self):
assert discount_calc(
0, 50) == "RESULT: This item appears to be currently free!"
assert discount_calc(
0, 0) == "RESULT: This item appears to be currently free!"
assert discount_calc(
0, 100) == "RESULT: This item appears to be currently free!"
def test_wrong_input_list(self):
"""Tests if an error is raised if the arguments are lists."""
with pytest.raises(TypeError):
discount_calc(23, [0, 92, 23])
with pytest.raises(TypeError):
discount_calc([0, 92, 23], 23)
def test_wrong_input_string(self):
"""Tests if an error is raised if the arguments are strings."""
with pytest.raises(ValueError):
discount_calc("Twenty", 0)
with pytest.raises(ValueError):
discount_calc(345, "Fourteen")
def test_general_correct_examples(self):
assert discount_calc(52,
20) == "RESULT: The discounted price is $41.60!"
assert discount_calc(243.9685,
35) == "RESULT: The discounted price is $158.58!"
def test_discount_eq_100(self):
assert discount_calc(
17, 100) == "RESULT: This item appears to be currently free!"
assert discount_calc(
0, 100) == "RESULT: This item appears to be currently free!"
def test_discount_eq_0(self):
assert discount_calc(3500,
0) == "RESULT: The item doesn't have a discount."
assert discount_calc(25.50,
0) == "RESULT: The item doesn't have a discount."
def test_wrong_input_missing_arg(self):
"""Tests if an error is raised if the second argument is missing."""
with pytest.raises(TypeError):
discount_calc(345)
def test_price_lt_0(self):
assert discount_calc(
-24000, 15) == "RESULT: The discounted price is $20400.00!"
def test_discount_float(self):
assert discount_calc(20,
25.5) == "RESULT: The discounted price is $15.00!"
assert discount_calc(
20, -0.2) == "RESULT: The item doesn't have a discount."
def test_discount_lt_0(self):
assert discount_calc(21.5,
-40) == "RESULT: The discounted price is $12.90!"
assert discount_calc(
21.5, -100) == "RESULT: This item appears to be currently free!"
def test_discount_gt_100(self):
assert discount_calc(
53485, 101) == "ERROR: Choose a discount between 0 and 100."
assert discount_calc(
3400, 150) == "ERROR: Choose a discount between 0 and 100."