-
Notifications
You must be signed in to change notification settings - Fork 0
/
TestCollatz.py
executable file
·143 lines (107 loc) · 3.37 KB
/
TestCollatz.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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
#!/usr/bin/env python3
# -------------------------------
# projects/collatz/TestCollatz.py
# Copyright (C) 2015
# Glenn P. Downing
# -------------------------------
# https://docs.python.org/3.4/reference/simple_stmts.html#grammar-token-assert_stmt
# -------
# imports
# -------
from io import StringIO
from unittest import main, TestCase
from SphereCollatz import collatz_read, collatz_eval, collatz_print, collatz_solve, lazy_cache
# -----------
# TestCollatz
# -----------
class TestCollatz (TestCase) :
# ----
# read
# ----
def test_read (self) :
s = "1 10\n"
i, j = collatz_read(s)
self.assertEqual(i, 1)
self.assertEqual(j, 10)
def test_read_2 (self) :
s = "10 1\n"
i, j = collatz_read(s)
self.assertEqual(i, 10)
self.assertEqual(j, 1)
def test_read_3 (self) :
s = "1000000 1\n"
i, j = collatz_read(s)
self.assertEqual(i, 1000000)
self.assertEqual(j, 1)
# ----
# eval
# ----
def test_eval_1 (self) :
v = collatz_eval(1, 10)
self.assertEqual(v, 20)
def test_eval_2 (self) :
v = collatz_eval(100, 200)
self.assertEqual(v, 125)
def test_eval_3 (self) :
v = collatz_eval(201, 210)
self.assertEqual(v, 89)
def test_eval_4 (self) :
v = collatz_eval(900, 1000)
self.assertEqual(v, 174)
# -----
# print
# -----
def test_print (self) :
w = StringIO()
collatz_print(w, 1, 10, 20)
self.assertEqual(w.getvalue(), "1 10 20\n")
def test_print_2 (self) :
w = StringIO()
collatz_print(w, 100, 200, 125)
self.assertEqual(w.getvalue(), "100 200 125\n")
def test_print_3 (self) :
w = StringIO()
collatz_print(w, 30, 100, 205)
self.assertEqual(w.getvalue(), "30 100 205\n")
def test_print_4 (self) :
w = StringIO()
collatz_print(w, 1000, 2000, 182)
self.assertEqual(w.getvalue(), "1000 2000 182\n")
# -----
# solve
# -----
def test_solve (self) :
r = StringIO("1 10\n100 200\n201 210\n900 1000\n")
w = StringIO()
collatz_solve(r, w)
self.assertEqual(w.getvalue(), "1 10 20\n100 200 125\n201 210 89\n900 1000 174\n")
def test_solve_2 (self) :
r = StringIO("1 2\n1 1000\n2 2\n")
w = StringIO()
collatz_solve(r, w)
self.assertEqual(w.getvalue(), "1 2 2\n1 1000 179\n2 2 2\n")
def test_solve_3 (self) :
r = StringIO("11000 101041\n12000 111045\n13000 121049\n")
w = StringIO()
collatz_solve(r, w)
self.assertEqual(w.getvalue(), "11000 101041 351\n12000 111045 354\n13000 121049 354\n")
# ----
# main
# ----
if __name__ == "__main__" : # pragma no cover
main()
""" # pragma no cover
% coverage3 run --branch TestCollatz.py > TestCollatz.out 2>&1
% coverage3 report -m >> TestCollatz.out
% cat TestCollatz.out
.......
----------------------------------------------------------------------
Ran 7 tests in 0.001s
OK
Name Stmts Miss Branch BrMiss Cover Missing
---------------------------------------------------------
Collatz 18 0 6 0 100%
TestCollatz 33 1 2 1 94% 79
---------------------------------------------------------
TOTAL 51 1 8 1 97%
"""