def setUp(self):
self.pencil = Item.create("Pencil", 0.40)
self.ruler = Item.create("Ruler", 1.60)
self.eraser = Item.create("Eraser", 0.20)
self.pencilSet = Item.compose("Pencil Set", self.pencil,
self.ruler, self.eraser)
self.stdout = MockStdout()
def test_add_to_composite(self):
lead = Item.create("Lead", 0.05)
self.pencilSet.add(lead)
self.assertAlmostEqual(self.pencilSet.price, 2.25)
pen = Item.create("Pen", 0.25)
self.pencilSet.add(pen)
self.assertAlmostEqual(self.pencilSet.price, 2.50)
def test_compose(self):
# TODO Implement me!
# Do not forget to replace self.fail() statement with
# correct assertion method(s)!
mechPencilCasing = Item.create("Mechanical Pencil Casing", 4.20)
mechPencilLead = Item.create("Mechanical Pencil Lead", 0.10)
mechPencil = Item.compose("Mechanical Pencil", mechPencilCasing,
mechPencilLead)
self.assertEqual(mechPencil.name, "Mechanical Pencil")
self.assertAlmostEqual(mechPencil.price, 4.30)
self.assertTrue(mechPencil.composite)
def test_create(self):
# TODO Implement me!
# Do not forget to replace self.fail() statement with
# correct assertion method(s)!
tipex = Item.create("Tipex", 1.00)
self.assertEqual(tipex.name, "Tipex")
self.assertAlmostEqual(tipex.price, 1.00)
self.assertFalse(tipex.composite)
def test_remove_not_in_composite(self):
mysterious = Item.create("Wat", 9.99)
with self.assertRaises(ValueError):
self.pencilSet.remove(mysterious)
def test_remove_simple(self):
lead = Item.create("Lead", 0.05)
self.assertFalse(self.pencil.composite)
self.pencil.add(lead)
self.pencil.remove(lead)
self.assertFalse(self.pencil.composite)
def test_add_to_simple(self):
lead = Item.create("Lead", 0.05)
self.assertFalse(self.pencil.composite)
self.pencil.add(lead)
self.assertTrue(self.pencil.composite)
self.assertAlmostEqual(self.pencil.price, 0.45)
