summaryrefslogtreecommitdiff
path: root/unit_tests/test_cases.py
blob: 84b32b03a1beade65cdf3c95814977ec408d5975 (plain)
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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
import unittest
import pdb
import sys
import nose.case
from nose.config import Config
from mock import ResultProxyFactory, ResultProxy

class TestNoseCases(unittest.TestCase):

    def test_function_test_case(self):
        res = unittest.TestResult()
        
        a = []
        def func(a=a):
            a.append(1)

        case = nose.case.FunctionTestCase(func)
        case(res)
        assert a[0] == 1

    def test_method_test_case(self):
        res = unittest.TestResult()

        a = []
        class TestClass(object):
            def test_func(self, a=a):
                a.append(1)

        case = nose.case.MethodTestCase(TestClass.test_func)
        case(res)
        assert a[0] == 1

    def test_method_test_case_fixtures(self):        
        res = unittest.TestResult()
        called = []
        class TestClass(object):
            def setup(self):
                called.append('setup')
            def teardown(self):
                called.append('teardown')
            def test_func(self):
                called.append('test')

        case = nose.case.MethodTestCase(TestClass.test_func)
        case(res)
        self.assertEqual(called, ['setup', 'test', 'teardown'])

        class TestClassFailingSetup(TestClass):
            def setup(self):
                called.append('setup')
                raise Exception("failed")
        called[:] = []
        case = nose.case.MethodTestCase(TestClassFailingSetup.test_func)
        case(res)
        self.assertEqual(called, ['setup'])        

        class TestClassFailingTest(TestClass):
            def test_func(self):
                called.append('test')
                raise Exception("failed")
            
        called[:] = []
        case = nose.case.MethodTestCase(TestClassFailingTest.test_func)
        case(res)
        self.assertEqual(called, ['setup', 'test', 'teardown'])     
        
    def test_function_test_case_fixtures(self):
        from nose.tools import with_setup
        res = unittest.TestResult()

        called = {}

        def st():
            called['st'] = True
        def td():
            called['td'] = True

        def func_exc():
            called['func'] = True
            raise TypeError("An exception")

        func_exc = with_setup(st, td)(func_exc)
        case = nose.case.FunctionTestCase(func_exc)
        case(res)
        assert 'st' in called
        assert 'func' in called
        assert 'td' in called

    def test_failure_case(self):
        res = unittest.TestResult()
        f = nose.case.Failure(ValueError, "a is not b")
        f(res)
        assert res.errors


class TestNoseTestWrapper(unittest.TestCase):
    def test_case_fixtures_called(self):
        """Instance fixtures are properly called for wrapped tests"""
        res = unittest.TestResult()
        called = []
                        
        class TC(unittest.TestCase):
            def setUp(self):
                print "TC setUp %s" % self
                called.append('setUp')
            def runTest(self):
                print "TC runTest %s" % self
                called.append('runTest')
            def tearDown(self):
                print "TC tearDown %s" % self
                called.append('tearDown')

        case = nose.case.Test(TC())
        case(res)
        assert not res.errors, res.errors
        assert not res.failures, res.failures
        self.assertEqual(called, ['setUp', 'runTest', 'tearDown'])

    def test_result_proxy_used(self):
        """A result proxy is used to wrap the result for all tests"""
        class TC(unittest.TestCase):
            def runTest(self):
                raise Exception("error")
            
        ResultProxy.called[:] = []
        res = unittest.TestResult()
        config = Config()
        case = nose.case.Test(TC(), config=config,
                              resultProxy=ResultProxyFactory())

        case(res)
        assert not res.errors, res.errors
        assert not res.failures, res.failures

        calls = [ c[0] for c in ResultProxy.called ]
        self.assertEqual(calls, ['beforeTest', 'startTest', 'addError',
                                 'stopTest', 'afterTest'])


    def test_address(self):
        from nose.util import absfile
        class TC(unittest.TestCase):
            def runTest(self):
                raise Exception("error")

        def test():
            pass

        class Test:
            def test(self):
                pass

            def test_gen(self):
                pass

            def try_something(self, a, b):
                pass

        fl = absfile(__file__)
        case = nose.case.Test(TC())
        self.assertEqual(case.address(), (fl, __name__, 'TC.runTest'))

        case = nose.case.Test(nose.case.FunctionTestCase(test))
        self.assertEqual(case.address(), (fl, __name__, 'test'))

        case = nose.case.Test(nose.case.MethodTestCase(Test.test))
        self.assertEqual(case.address(), (fl, __name__, 'Test.test'))

        case = nose.case.Test(
            nose.case.MethodTestCase(Test.test_gen,
                                     'try_something', arg=(1,2,)))
        self.assertEqual(case.address(),
                         (fl, __name__, 'Test.test_gen'))
        
if __name__ == '__main__':
    unittest.main()