/
test_formula.py
86 lines (68 loc) · 2.28 KB
/
test_formula.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
import unittest
from formula import (common_dividend_yield, preferred_dividend_yield, pe_ratio,
geometric_mean, stock_price)
class TestFormulae(unittest.TestCase):
def test_common_yield_success(self):
dividend = 10
ticker = 100
self.assertEqual(
common_dividend_yield(dividend, ticker),
0.1
)
def test_common_yield_dividend_error(self):
self.assertRaises(TypeError, common_dividend_yield, '10', 100)
def test_common_yield_ticker_error(self):
self.assertRaises(TypeError, common_dividend_yield, 10, '100')
def test_preferred_yield_success(self):
dividend = 0.1
par = 100
ticker = 100
self.assertEqual(
preferred_dividend_yield(dividend, par, ticker),
0.1
)
def test_preferred_yield_dividend_error(self):
self.assertRaises(TypeError, preferred_dividend_yield, '0.1', 100, 100)
def test_preferred_yield_par_error(self):
self.assertRaises(TypeError, preferred_dividend_yield, 0.1, '100', 100)
def test_preferred_yield_ticker_error(self):
self.assertRaises(TypeError, preferred_dividend_yield, 0.1, 100, '100')
def test_pe_ratio_success(self):
dividend = 10
ticker = 100
self.assertEqual(
pe_ratio(dividend, ticker),
10
)
def test_pe_ration_dividend_error(self):
self.assertRaises(TypeError, pe_ratio, '10', 100)
def test_pe_ration_ticker_error(self):
self.assertRaises(TypeError, pe_ratio, 10, '100')
def test_geometric_mean_success(self):
prices = [2, 8]
self.assertEqual(
geometric_mean(prices),
4
)
def test_geometric_mean_error(self):
prices = [2, 8, '9', 5]
self.assertRaises(TypeError, geometric_mean, prices)
def test_stock_price_success(self):
trades = (
(60, 15),
(40, 5),
(100, 10)
)
self.assertEqual(
stock_price(trades),
70
)
def test_stock_price_error(self):
trades = (
(60, 15),
(40, '5'),
(100, 10)
)
self.assertRaises(TypeError, stock_price, trades)
if __name__ == '__main__':
unittest.main()