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
|
"""Tests for 'site'.
Tests assume the initial paths in sys.path once the interpreter has begun
executing have not been removed.
"""
import unittest
from test.test_support import TestSkipped, TestFailed, run_unittest, TESTFN
import __builtin__
import os
import sys
import encodings
import tempfile
# Need to make sure to not import 'site' if someone specified ``-S`` at the
# command-line. Detect this by just making sure 'site' has not been imported
# already.
if "site" in sys.modules:
import site
else:
raise TestSkipped("importation of site.py suppressed")
class HelperFunctionsTests(unittest.TestCase):
"""Tests for helper functions.
The setting of the encoding (set using sys.setdefaultencoding) used by
the Unicode implementation is not tested.
"""
def setUp(self):
"""Save a copy of sys.path"""
self.sys_path = sys.path[:]
def tearDown(self):
"""Restore sys.path"""
sys.path = self.sys_path
def test_makepath(self):
# Test makepath() have an absolute path for its first return value
# and a case-normalized version of the absolute path for its
# second value.
path_parts = ("Beginning", "End")
original_dir = os.path.join(*path_parts)
abs_dir, norm_dir = site.makepath(*path_parts)
self.failUnlessEqual(os.path.abspath(original_dir), abs_dir)
if original_dir == os.path.normcase(original_dir):
self.failUnlessEqual(abs_dir, norm_dir)
else:
self.failUnlessEqual(os.path.normcase(abs_dir), norm_dir)
def test_init_pathinfo(self):
dir_set = site._init_pathinfo()
for entry in [site.makepath(path)[1] for path in sys.path
if path and os.path.isdir(path)]:
self.failUnless(entry in dir_set,
"%s from sys.path not found in set returned "
"by _init_pathinfo(): %s" % (entry, dir_set))
def pth_file_tests(self, pth_file):
"""Contain common code for testing results of reading a .pth file"""
self.failUnless(pth_file.imported in sys.modules,
"%s not in sys.path" % pth_file.imported)
self.failUnless(site.makepath(pth_file.good_dir_path)[0] in sys.path)
self.failUnless(not os.path.exists(pth_file.bad_dir_path))
def test_addpackage(self):
# Make sure addpackage() imports if the line starts with 'import',
# adds directories to sys.path for any line in the file that is not a
# comment or import that is a valid directory name for where the .pth
# file resides; invalid directories are not added
pth_file = PthFile()
pth_file.cleanup(prep=True) # to make sure that nothing is
# pre-existing that shouldn't be
try:
pth_file.create()
site.addpackage(pth_file.base_dir, pth_file.filename, set())
self.pth_file_tests(pth_file)
finally:
pth_file.cleanup()
def test_addsitedir(self):
# Same tests for test_addpackage since addsitedir() essentially just
# calls addpackage() for every .pth file in the directory
pth_file = PthFile()
pth_file.cleanup(prep=True) # Make sure that nothing is pre-existing
# that is tested for
try:
pth_file.create()
site.addsitedir(pth_file.base_dir, set())
self.pth_file_tests(pth_file)
finally:
pth_file.cleanup()
class PthFile(object):
"""Helper class for handling testing of .pth files"""
def __init__(self, filename_base=TESTFN, imported="time",
good_dirname="__testdir__", bad_dirname="__bad"):
"""Initialize instance variables"""
self.filename = filename_base + ".pth"
self.base_dir = os.path.abspath('')
self.file_path = os.path.join(self.base_dir, self.filename)
self.imported = imported
self.good_dirname = good_dirname
self.bad_dirname = bad_dirname
self.good_dir_path = os.path.join(self.base_dir, self.good_dirname)
self.bad_dir_path = os.path.join(self.base_dir, self.bad_dirname)
def create(self):
"""Create a .pth file with a comment, blank lines, an ``import
<self.imported>``, a line with self.good_dirname, and a line with
self.bad_dirname.
Creation of the directory for self.good_dir_path (based off of
self.good_dirname) is also performed.
Make sure to call self.cleanup() to undo anything done by this method.
"""
FILE = open(self.file_path, 'w')
try:
print("#import @bad module name", file=FILE)
print("\n", file=FILE)
print("import %s" % self.imported, file=FILE)
print(self.good_dirname, file=FILE)
print(self.bad_dirname, file=FILE)
finally:
FILE.close()
os.mkdir(self.good_dir_path)
def cleanup(self, prep=False):
"""Make sure that the .pth file is deleted, self.imported is not in
sys.modules, and that both self.good_dirname and self.bad_dirname are
not existing directories."""
if os.path.exists(self.file_path):
os.remove(self.file_path)
if prep:
self.imported_module = sys.modules.get(self.imported)
if self.imported_module:
del sys.modules[self.imported]
else:
if self.imported_module:
sys.modules[self.imported] = self.imported_module
if os.path.exists(self.good_dir_path):
os.rmdir(self.good_dir_path)
if os.path.exists(self.bad_dir_path):
os.rmdir(self.bad_dir_path)
class ImportSideEffectTests(unittest.TestCase):
"""Test side-effects from importing 'site'."""
def setUp(self):
"""Make a copy of sys.path"""
self.sys_path = sys.path[:]
def tearDown(self):
"""Restore sys.path"""
sys.path = self.sys_path
def test_abs__file__(self):
# Make sure all imported modules have their __file__ attribute
# as an absolute path.
# Handled by abs__file__()
site.abs__file__()
for module in (sys, os, __builtin__):
try:
self.failUnless(os.path.isabs(module.__file__), repr(module))
except AttributeError:
continue
# We could try everything in sys.modules; however, when regrtest.py
# runs something like test_frozen before test_site, then we will
# be testing things loaded *after* test_site did path normalization
def test_no_duplicate_paths(self):
# No duplicate paths should exist in sys.path
# Handled by removeduppaths()
site.removeduppaths()
seen_paths = set()
for path in sys.path:
self.failUnless(path not in seen_paths)
seen_paths.add(path)
def test_add_build_dir(self):
# Test that the build directory's Modules directory is used when it
# should be.
# XXX: implement
pass
def test_setting_quit(self):
# 'quit' and 'exit' should be injected into __builtin__
self.failUnless(hasattr(__builtin__, "quit"))
self.failUnless(hasattr(__builtin__, "exit"))
def test_setting_copyright(self):
# 'copyright' and 'credits' should be in __builtin__
self.failUnless(hasattr(__builtin__, "copyright"))
self.failUnless(hasattr(__builtin__, "credits"))
def test_setting_help(self):
# 'help' should be set in __builtin__
self.failUnless(hasattr(__builtin__, "help"))
def test_aliasing_mbcs(self):
if sys.platform == "win32":
import locale
if locale.getdefaultlocale()[1].startswith('cp'):
for value in encodings.aliases.aliases.itervalues():
if value == "mbcs":
break
else:
self.fail("did not alias mbcs")
def test_setdefaultencoding_removed(self):
# Make sure sys.setdefaultencoding is gone
self.failUnless(not hasattr(sys, "setdefaultencoding"))
def test_sitecustomize_executed(self):
# If sitecustomize is available, it should have been imported.
if "sitecustomize" not in sys.modules:
try:
import sitecustomize
except ImportError:
pass
else:
self.fail("sitecustomize not imported automatically")
def test_main():
run_unittest(HelperFunctionsTests, ImportSideEffectTests)
if __name__ == "__main__":
test_main()
|
