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
|
from .core import *
import unittest
class BareFuncEnableTestCase(unittest.TestCase):
@inject(injected_func = str.lower)
def method(self, arg):
return injected_func(arg)
class BareFuncTestCase(unittest.TestCase):
@inject(injected_func = str.lower)
def method(self, arg):
return injected_func(arg)
@inject(injected_func = method)
def method2(self, arg):
return injected_func(self, arg)
def test_bare_inject(self):
"""Tests the injection to plain methods."""
self.assertEqual("a", self.method("A"))
def test_double_inject(self):
"""Tests the injection to two plain methods."""
self.assertEqual("a", self.method2("A"))
def test_inject_global_tainting(self):
"""Tests whether the global namespace is clean
after the injection is done."""
global injected_func
injected_func = None
self.method("A")
self.assertEqual(None, injected_func)
@inject(injected_func = str.lower)
class Test(object):
"""Test fixture for class injection."""
@usesclassinject
def method(self, arg):
return injected_func(arg)
@inject(injected_func = str.lower)
class TestInit(object):
"""Test fixture for injection to __init__."""
@usesclassinject
def __init__(self, arg):
self.value = injected_func(arg)
@inject(injected_func = str.lower)
class TestCallable(object):
"""Test fixture for callable classes."""
@usesclassinject
def __call__(self, arg):
return injected_func(arg)
class TestCallableSingle(object):
"""Test fixture for callable classes with
simple method injection."""
@inject(injected_func = str.lower)
def __call__(self, arg):
return injected_func(arg)
class ClassDITestCase(unittest.TestCase):
def test_class_inject(self):
"""Test injection to instance method."""
obj = Test()
self.assertEqual("a", obj.method("A"))
def test_class_init_inject(self):
"""Test injection to class constructor."""
obj = TestInit("A")
self.assertEqual("a", obj.value)
def test_callable_class(self):
"""Test class injection to callable class."""
obj = TestCallable()
self.assertEqual("a", obj("A"))
def test_callable_class_single(self):
"""Test method injection to callable class."""
obj = TestCallableSingle()
self.assertEqual("a", obj("A"))
if __name__ == "__main__":
unittest.main()
|