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
|
#!/usr/bin/env python
# Copyright (C) 2015 Canonical
# Written by:
# Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Demonstration code for testtrace feature.
Just run this script and observe the output.
"""
from __future__ import absolute_import, print_function, unicode_literals
from gettext import gettext as _, ngettext
from unittest import TestCase
from unittest import TestLoader
from unittest import TestSuite
from testtrace import TracingTestResult
class AnimalBase:
"""Base class for all animals."""
SOUND = None
@classmethod
def get_sound(cls):
"""Get the sound this class of animals makes."""
return cls.SOUND
class Dog(AnimalBase):
"""A simple dog class."""
SOUND = "bark bark"
def bark(self):
"""Bark as a dog would."""
return self.get_sound()
class Cat:
"""A simple cat class."""
SOUND = "meeeow!"
def meow(self):
"""Meow as a cat would."""
return self.get_sound()
class DogTests(TestCase):
"""Tests for the Dog class."""
def test_barking(self):
"""Check if a dog can bark."""
# This is artificially verbose so that we can see multiple lines being
# traced by the runtime trace monitor.
dog = Dog()
expected = "bark bark"
actual = dog.bark()
self.assertEqual(expected, actual)
class CatTests(TestCase):
"""Tests for the Cat class."""
def test_meowing(self):
"""Check if a cat can meow."""
cat = Cat()
expected = "meeeow!"
actual = cat.meow()
self.assertEqual(expected, actual)
def main():
"""Main function."""
loader = TestLoader()
suite = TestSuite()
suite._cleanup = False # we want to see tests after running
suite.addTests(loader.loadTestsFromTestCase(DogTests))
suite.addTests(loader.loadTestsFromTestCase(CatTests))
# NOTE: try with True/False
result = TracingTestResult(trace_details=False)
suite.run(result)
dump_suite(suite, result)
def dump_suite(suite, result):
"""Dump information about a test suite and results."""
assert isinstance(suite, TestSuite)
assert isinstance(result, TracingTestResult)
print(ngettext(
"There is {0} test",
"There are {0} tests",
suite.countTestCases()
).format(suite.countTestCases()))
for index, test in enumerate(suite, 1):
print("{index}: {id!r}, {test}".format(
index=index, id=test.id(), test=test))
print(_("Referenced locations"))
for location in result._test_to_locations[test.id()]:
print(" - {0}".format(location))
if __name__ == "__main__":
main()
|
