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
|
"""Implementation of the parametric test support for Python 3.x.
Thanks for the py3 version to Robert Collins, from the Testing in Python
mailing list.
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2009-2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import unittest
from unittest import TestSuite
#-----------------------------------------------------------------------------
# Classes and functions
#-----------------------------------------------------------------------------
def isgenerator(func):
return hasattr(func,'_generator')
class IterCallableSuite(TestSuite):
def __init__(self, iterator, adapter):
self._iter = iterator
self._adapter = adapter
def __iter__(self):
yield self._adapter(self._iter.__next__)
class ParametricTestCase(unittest.TestCase):
"""Write parametric tests in normal unittest testcase form.
Limitations: the last iteration misses printing out a newline when
running in verbose mode.
"""
def run(self, result=None):
testMethod = getattr(self, self._testMethodName)
# For normal tests, we just call the base class and return that
if isgenerator(testMethod):
def adapter(next_test):
ftc = unittest.FunctionTestCase(next_test,
self.setUp,
self.tearDown)
self._nose_case = ftc # Nose 1.0 rejects the test without this
return ftc
return IterCallableSuite(testMethod(),adapter).run(result)
else:
return super(ParametricTestCase, self).run(result)
def parametric(func):
"""Decorator to make a simple function into a normal test via
unittest."""
# Hack, until I figure out how to write isgenerator() for python3!!
func._generator = True
class Tester(ParametricTestCase):
test = staticmethod(func)
Tester.__name__ = func.__name__
return Tester
|
