def test_one_good(self):
self.assertEqual(
bigger_price(1, [{
"name": "pen",
"price": 5
}, {
"name": "whiteboard",
"price": 170
}]), [{
"name": "whiteboard",
"price": 170
}], "One most expensive good")
def test_negative_index(self):
self.assertEqual(
bigger_price(-1, [{
"name": "pen",
"price": 5
}, {
"name": "whiteboard",
"price": 170
}]), [{
"name": "whiteboard",
"price": 170
}], "Negative index")
def test_equal_prices(self):
self.assertEqual(
bigger_price(2, [{
"name": "a",
"price": 100
}, {
"name": "c",
"price": 100
}, {
"name": "b",
"price": 100
}]), [{
"name": "a",
"price": 100
}, {
"name": "c",
"price": 100
}], "Equal price")
def test_equal_float_prices(self):
self.assertEqual(
bigger_price(2, [{
"name": "a",
"price": 1.1 + 2.2
}, {
"name": "c",
"price": 1.1 + 2.2
}, {
"name": "b",
"price": 1.1 + 2.2
}]), [{
"name": "a",
"price": 3.3
}, {
"name": "c",
"price": 3.3
}], "Equal float prices")
def test_two_goods(self):
self.assertEqual(
bigger_price(2, [{
"name": "bread",
"price": 100
}, {
"name": "wine",
"price": 138
}, {
"name": "meat",
"price": 15
}, {
"name": "water",
"price": 1
}]), [{
"name": "wine",
"price": 138
}, {
"name": "bread",
"price": 100
}], "Two most expensive goods")
def test_limit_out_of_range(self):
self.assertEqual(
bigger_price(10, [{
"name": "iphone",
"price": 200
}, {
"name": "samsung",
"price": 150
}, {
"name": "meizu",
"price": 100
}]), [{
"name": "iphone",
"price": 200
}, {
"name": "samsung",
"price": 150
}, {
"name": "meizu",
"price": 100
}], "Limit out of range")
def test_no_price(self):
self.assertEqual(bigger_price(1, [{
"name": "spam"
}]), [{
"name": "spam"
}], "No price")
def test_zero_limit(self):
self.assertEqual(bigger_price(0, [{
"name": "Eggs",
"price": 82
}]), [], "Limit not given")
def test_incorrect_arguments(self):
with self.assertRaises(TypeError) as e:
bigger_price(4, 5)
def test_missing_arguments(self):
with self.assertRaises(TypeError) as e:
bigger_price(2)
