def setUp(self):
self.test_product_a = prod.Product("a", price=2.00, quality=4.5)
self.test_product_b = prod.Product("b", price=3.00, quality=4.9)
self.experiment = msexp.MessyExperiment(self.test_product_a)
self.ab_test = msexp.MessyExperiment(self.test_product_a,
self.test_product_b)
self.trials = 10000
def test_great_choice(self):
great_product = prod.Product("a",
0.2,
5)
self.assertTrue(
self.customer.will_purchase(great_product)
)
def test_just_right(self):
goldilocks = prod.Product("a",
3.0,
4.2)
self.assertTrue(
self.customer.will_purchase(goldilocks)
)
def test_quality_too_low(self):
poor_quality = prod.Product("a",
1.0,
3.0)
self.assertFalse(
self.customer.will_purchase(poor_quality)
)
def test_price_too_high(self):
too_expensive = prod.Product("a",
3.01,
4.3)
self.assertFalse(
self.customer.will_purchase(too_expensive)
)
def test_exercise(capsys):
sausages = product.Product("sausage", 1.2, 14)
sausages.print_product()
out, err = capsys.readouterr()
assert out == "sausage, price 1.2, 14 pcs\n"