File size: 8,487 Bytes
065fee7 |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 |
from __future__ import print_function
import unittest
import types
import wrapt
from compat import exec_, getfullargspec
DECORATORS_CODE = """
import wrapt
@wrapt.decorator
def passthru_decorator(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
"""
decorators = types.ModuleType('decorators')
exec_(DECORATORS_CODE, decorators.__dict__, decorators.__dict__)
class Class(object):
@staticmethod
def function(self, arg):
'''documentation'''
return arg
Original = Class
class Class(object):
@decorators.passthru_decorator
@staticmethod
def function(self, arg):
'''documentation'''
return arg
class TestNamingInnerStaticMethod(unittest.TestCase):
def test_class_object_name(self):
# Test preservation of instance method __name__ attribute.
self.assertEqual(Class.function.__name__,
Original.function.__name__)
def test_instance_object_name(self):
# Test preservation of instance method __name__ attribute.
self.assertEqual(Class().function.__name__,
Original().function.__name__)
def test_class_module_name(self):
# Test preservation of instance method __module__ attribute.
self.assertEqual(Class.function.__module__,
Original.function.__module__)
def test_class_object_qualname(self):
# Test preservation of instance method __qualname__ attribute.
try:
__qualname__ = Original.original.__qualname__
except AttributeError:
pass
else:
self.assertEqual(Class.function.__qualname__, __qualname__)
def test_instance_object_qualname(self):
# Test preservation of instance method __qualname__ attribute.
try:
__qualname__ = Original().original.__qualname__
except AttributeError:
pass
else:
self.assertEqual(Class().function.__qualname__, __qualname__)
def test_instance_module_name(self):
# Test preservation of instance method __module__ attribute.
self.assertEqual(Class().function.__module__,
Original().function.__module__)
def test_class_doc_string(self):
# Test preservation of instance method __doc__ attribute.
self.assertEqual(Class.function.__doc__,
Original.function.__doc__)
def test_instance_doc_string(self):
# Test preservation of instance method __doc__ attribute.
self.assertEqual(Class().function.__doc__,
Original().function.__doc__)
def test_class_argspec(self):
# Test preservation of instance method argument specification.
original_argspec = getfullargspec(Original.function)
function_argspec = getfullargspec(Class.function)
self.assertEqual(original_argspec, function_argspec)
def test_instance_argspec(self):
# Test preservation of instance method argument specification.
original_argspec = getfullargspec(Original().function)
function_argspec = getfullargspec(Class().function)
self.assertEqual(original_argspec, function_argspec)
def test_class_isinstance(self):
# Test preservation of isinstance() checks.
self.assertTrue(isinstance(Class.function,
type(Original.function)))
def test_instance_isinstance(self):
# Test preservation of isinstance() checks.
self.assertTrue(isinstance(Class().function,
type(Original().function)))
class TestCallingInnerStaticMethod(unittest.TestCase):
def test_class_call_function(self):
# Test calling staticmethod.
_args = (1, 2)
_kwargs = {'one': 1, 'two': 2}
@wrapt.decorator
def _decorator(wrapped, instance, args, kwargs):
self.assertEqual(instance, None)
self.assertEqual(args, _args)
self.assertEqual(kwargs, _kwargs)
return wrapped(*args, **kwargs)
@_decorator
def _function(*args, **kwargs):
return args, kwargs
class Class(object):
@_decorator
@staticmethod
def _function(*args, **kwargs):
return (args, kwargs)
result = Class._function(*_args, **_kwargs)
self.assertEqual(result, (_args, _kwargs))
def test_instance_call_function(self):
# Test calling staticmethod via class instance.
_args = (1, 2)
_kwargs = {'one': 1, 'two': 2}
@wrapt.decorator
def _decorator(wrapped, instance, args, kwargs):
self.assertEqual(instance, None)
self.assertEqual(args, _args)
self.assertEqual(kwargs, _kwargs)
return wrapped(*args, **kwargs)
@_decorator
def _function(*args, **kwargs):
return args, kwargs
class Class(object):
@_decorator
@staticmethod
def _function(*args, **kwargs):
return (args, kwargs)
result = Class()._function(*_args, **_kwargs)
self.assertEqual(result, (_args, _kwargs))
def test_class_call_function_nested_decorator(self):
# Test calling staticmethod.
_args = (1, 2)
_kwargs = {'one': 1, 'two': 2}
@wrapt.decorator
def _decorator(wrapped, instance, args, kwargs):
self.assertEqual(instance, None)
self.assertEqual(args, _args)
self.assertEqual(kwargs, _kwargs)
return wrapped(*args, **kwargs)
@_decorator
def _function(*args, **kwargs):
return args, kwargs
class Class(object):
@_decorator
@_decorator
@staticmethod
def _function(*args, **kwargs):
return (args, kwargs)
result = Class._function(*_args, **_kwargs)
self.assertEqual(result, (_args, _kwargs))
def test_instance_call_function_nested_decorator(self):
# Test calling staticmethod via class instance.
_args = (1, 2)
_kwargs = {'one': 1, 'two': 2}
@wrapt.decorator
def _decorator(wrapped, instance, args, kwargs):
self.assertEqual(instance, None)
self.assertEqual(args, _args)
self.assertEqual(kwargs, _kwargs)
return wrapped(*args, **kwargs)
@_decorator
def _function(*args, **kwargs):
return args, kwargs
class Class(object):
@_decorator
@_decorator
@staticmethod
def _function(*args, **kwargs):
return (args, kwargs)
result = Class()._function(*_args, **_kwargs)
self.assertEqual(result, (_args, _kwargs))
def test_class_externally_applied_wrapper(self):
# Test calling staticmethod via class when
# the decorator has been applied from external to
# the class using wrapping function.
_args = (1, 2)
_kwargs = {'one': 1, 'two': 2}
def _decorator(wrapped, instance, args, kwargs):
self.assertEqual(instance, None)
self.assertEqual(args, _args)
self.assertEqual(kwargs, _kwargs)
return wrapped(*args, **kwargs)
class Class(object):
@staticmethod
def _function(*args, **kwargs):
return (args, kwargs)
wrapt.wrap_function_wrapper(Class, "_function", _decorator)
result = Class._function(*_args, **_kwargs)
self.assertEqual(result, (_args, _kwargs))
def test_instance_externally_applied_wrapper(self):
# Test calling staticmethod via class instance when
# the decorator has been applied from external to
# the class using wrapping function.
_args = (1, 2)
_kwargs = {'one': 1, 'two': 2}
def _decorator(wrapped, instance, args, kwargs):
self.assertEqual(instance, None)
self.assertEqual(args, _args)
self.assertEqual(kwargs, _kwargs)
return wrapped(*args, **kwargs)
class Class(object):
@staticmethod
def _function(*args, **kwargs):
return (args, kwargs)
wrapt.wrap_function_wrapper(Class, "_function", _decorator)
result = Class()._function(*_args, **_kwargs)
self.assertEqual(result, (_args, _kwargs))
if __name__ == '__main__':
unittest.main()
|