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
|
"""Supporting definitions for the Python regression test."""
import sys
class Error(Exception):
"""Base class for regression test exceptions."""
class TestFailed(Error):
"""Test failed."""
class TestSkipped(Error):
"""Test skipped.
This can be raised to indicate that a test was deliberatly
skipped, but not because a feature wasn't available. For
example, if some resource can't be used, such as the network
appears to be unavailable, this should be raised instead of
TestFailed.
"""
verbose = 1 # Flag set to 0 by regrtest.py
use_resources = None # Flag set to [] by regrtest.py
# _output_comparison controls whether regrtest will try to compare stdout
# with an expected-output file. For straight regrtests, it should.
# The doctest driver resets this flag by calling deny_output_comparison().
# Note that this control is in addition to verbose mode: output will be
# compared if and only if _output_comparison is true and verbose mode is
# not in effect.
_output_comparison = 1
def deny_output_comparison():
global _output_comparison
_output_comparison = 0
sys.stdout = sys.save_stdout
# regrtest's interface to _output_comparison.
def output_comparison_denied():
global _output_comparison
denied = not _output_comparison
_output_comparison = 1
return denied
def unload(name):
try:
del sys.modules[name]
except KeyError:
pass
def forget(modname):
unload(modname)
import os
for dirname in sys.path:
try:
os.unlink(os.path.join(dirname, modname + '.pyc'))
except os.error:
pass
def requires(resource, msg=None):
if use_resources is not None and resource not in use_resources:
if msg is None:
msg = "Use of the `%s' resource not enabled" % resource
raise TestSkipped(msg)
FUZZ = 1e-6
def fcmp(x, y): # fuzzy comparison function
if type(x) == type(0.0) or type(y) == type(0.0):
try:
x, y = coerce(x, y)
fuzz = (abs(x) + abs(y)) * FUZZ
if abs(x-y) <= fuzz:
return 0
except:
pass
elif type(x) == type(y) and type(x) in (type(()), type([])):
for i in range(min(len(x), len(y))):
outcome = fcmp(x[i], y[i])
if outcome != 0:
return outcome
return cmp(len(x), len(y))
return cmp(x, y)
try:
unicode
have_unicode = 1
except NameError:
have_unicode = 0
import os
# Filename used for testing
if os.name == 'java':
# Jython disallows @ in module names
TESTFN = '$test'
elif os.name != 'riscos':
TESTFN = '@test'
# Unicode name only used if TEST_FN_ENCODING exists for the platform.
if have_unicode:
TESTFN_UNICODE=unicode("@test-\xe0\xf2", "latin-1") # 2 latin characters.
if os.name=="nt":
TESTFN_ENCODING="mbcs"
else:
TESTFN = 'test'
del os
from os import unlink
def findfile(file, here=__file__):
import os
if os.path.isabs(file):
return file
path = sys.path
path = [os.path.dirname(here)] + path
for dn in path:
fn = os.path.join(dn, file)
if os.path.exists(fn): return fn
return file
def verify(condition, reason='test failed'):
"""Verify that condition is true. If not, raise TestFailed.
The optional argument reason can be given to provide
a better error text.
"""
if not condition:
raise TestFailed(reason)
def sortdict(dict):
"Like repr(dict), but in sorted order."
items = dict.items()
items.sort()
reprpairs = ["%r: %r" % pair for pair in items]
withcommas = ", ".join(reprpairs)
return "{%s}" % withcommas
def check_syntax(statement):
try:
compile(statement, '<string>', 'exec')
except SyntaxError:
pass
else:
print 'Missing SyntaxError: "%s"' % statement
#=======================================================================
# Preliminary PyUNIT integration.
import unittest
class BasicTestRunner:
def run(self, test):
result = unittest.TestResult()
test(result)
return result
def run_suite(suite):
"""Run tests from a unittest.TestSuite-derived class."""
if verbose:
runner = unittest.TextTestRunner(sys.stdout, verbosity=2)
else:
runner = BasicTestRunner()
result = runner.run(suite)
if not result.wasSuccessful():
if len(result.errors) == 1 and not result.failures:
err = result.errors[0][1]
elif len(result.failures) == 1 and not result.errors:
err = result.failures[0][1]
else:
raise TestFailed("errors occurred in %s.%s"
% (testclass.__module__, testclass.__name__))
raise TestFailed(err)
def run_unittest(testclass):
"""Run tests from a unittest.TestCase-derived class."""
run_suite(unittest.makeSuite(testclass))
#=======================================================================
# doctest driver.
def run_doctest(module, verbosity=None):
"""Run doctest on the given module.
If optional argument verbosity is not specified (or is None), pass
test_support's belief about verbosity on to doctest. Else doctest's
usual behavior is used (it searches sys.argv for -v).
"""
import doctest
if verbosity is None:
verbosity = verbose
else:
verbosity = None
deny_output_comparison()
f, t = doctest.testmod(module, verbose=verbosity)
if f:
raise TestFailed("%d of %d doctests failed" % (f, t))
|
