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
|
import filecmp
import os
import shutil
import tempfile
import unittest
from test import support
class FileCompareTestCase(unittest.TestCase):
def setUp(self):
self.name = support.TESTFN
self.name_same = support.TESTFN + '-same'
self.name_diff = support.TESTFN + '-diff'
data = 'Contents of file go here.\n'
for name in [self.name, self.name_same, self.name_diff]:
with open(name, 'w') as output:
output.write(data)
with open(self.name_diff, 'a+') as output:
output.write('An extra line.\n')
self.dir = tempfile.gettempdir()
def tearDown(self):
os.unlink(self.name)
os.unlink(self.name_same)
os.unlink(self.name_diff)
def test_matching(self):
self.assertTrue(filecmp.cmp(self.name, self.name),
"Comparing file to itself fails")
self.assertTrue(filecmp.cmp(self.name, self.name, shallow=False),
"Comparing file to itself fails")
self.assertTrue(filecmp.cmp(self.name, self.name_same),
"Comparing file to identical file fails")
self.assertTrue(filecmp.cmp(self.name, self.name_same, shallow=False),
"Comparing file to identical file fails")
def test_different(self):
self.assertFalse(filecmp.cmp(self.name, self.name_diff),
"Mismatched files compare as equal")
self.assertFalse(filecmp.cmp(self.name, self.dir),
"File and directory compare as equal")
def test_cache_clear(self):
first_compare = filecmp.cmp(self.name, self.name_same, shallow=False)
second_compare = filecmp.cmp(self.name, self.name_diff, shallow=False)
filecmp.clear_cache()
self.assertTrue(len(filecmp._cache) == 0,
"Cache not cleared after calling clear_cache")
class DirCompareTestCase(unittest.TestCase):
def setUp(self):
tmpdir = tempfile.gettempdir()
self.dir = os.path.join(tmpdir, 'dir')
self.dir_same = os.path.join(tmpdir, 'dir-same')
self.dir_diff = os.path.join(tmpdir, 'dir-diff')
# Another dir is created under dir_same, but it has a name from the
# ignored list so it should not affect testing results.
self.dir_ignored = os.path.join(self.dir_same, '.hg')
self.caseinsensitive = os.path.normcase('A') == os.path.normcase('a')
data = 'Contents of file go here.\n'
for dir in (self.dir, self.dir_same, self.dir_diff, self.dir_ignored):
shutil.rmtree(dir, True)
os.mkdir(dir)
if self.caseinsensitive and dir is self.dir_same:
fn = 'FiLe' # Verify case-insensitive comparison
else:
fn = 'file'
with open(os.path.join(dir, fn), 'w') as output:
output.write(data)
with open(os.path.join(self.dir_diff, 'file2'), 'w') as output:
output.write('An extra file.\n')
def tearDown(self):
for dir in (self.dir, self.dir_same, self.dir_diff):
shutil.rmtree(dir)
def test_default_ignores(self):
self.assertIn('.hg', filecmp.DEFAULT_IGNORES)
def test_cmpfiles(self):
self.assertTrue(filecmp.cmpfiles(self.dir, self.dir, ['file']) ==
(['file'], [], []),
"Comparing directory to itself fails")
self.assertTrue(filecmp.cmpfiles(self.dir, self.dir_same, ['file']) ==
(['file'], [], []),
"Comparing directory to same fails")
# Try it with shallow=False
self.assertTrue(filecmp.cmpfiles(self.dir, self.dir, ['file'],
shallow=False) ==
(['file'], [], []),
"Comparing directory to itself fails")
self.assertTrue(filecmp.cmpfiles(self.dir, self.dir_same, ['file'],
shallow=False),
"Comparing directory to same fails")
# Add different file2
with open(os.path.join(self.dir, 'file2'), 'w') as output:
output.write('Different contents.\n')
self.assertFalse(filecmp.cmpfiles(self.dir, self.dir_same,
['file', 'file2']) ==
(['file'], ['file2'], []),
"Comparing mismatched directories fails")
def test_dircmp(self):
# Check attributes for comparison of two identical directories
left_dir, right_dir = self.dir, self.dir_same
d = filecmp.dircmp(left_dir, right_dir)
self.assertEqual(d.left, left_dir)
self.assertEqual(d.right, right_dir)
if self.caseinsensitive:
self.assertEqual([d.left_list, d.right_list],[['file'], ['FiLe']])
else:
self.assertEqual([d.left_list, d.right_list],[['file'], ['file']])
self.assertEqual(d.common, ['file'])
self.assertEqual(d.left_only, [])
self.assertEqual(d.right_only, [])
self.assertEqual(d.same_files, ['file'])
self.assertEqual(d.diff_files, [])
expected_report = [
"diff {} {}".format(self.dir, self.dir_same),
"Identical files : ['file']",
]
self._assert_report(d.report, expected_report)
# Check attributes for comparison of two different directories (right)
left_dir, right_dir = self.dir, self.dir_diff
d = filecmp.dircmp(left_dir, right_dir)
self.assertEqual(d.left, left_dir)
self.assertEqual(d.right, right_dir)
self.assertEqual(d.left_list, ['file'])
self.assertEqual(d.right_list, ['file', 'file2'])
self.assertEqual(d.common, ['file'])
self.assertEqual(d.left_only, [])
self.assertEqual(d.right_only, ['file2'])
self.assertEqual(d.same_files, ['file'])
self.assertEqual(d.diff_files, [])
expected_report = [
"diff {} {}".format(self.dir, self.dir_diff),
"Only in {} : ['file2']".format(self.dir_diff),
"Identical files : ['file']",
]
self._assert_report(d.report, expected_report)
# Check attributes for comparison of two different directories (left)
left_dir, right_dir = self.dir, self.dir_diff
shutil.move(
os.path.join(self.dir_diff, 'file2'),
os.path.join(self.dir, 'file2')
)
d = filecmp.dircmp(left_dir, right_dir)
self.assertEqual(d.left, left_dir)
self.assertEqual(d.right, right_dir)
self.assertEqual(d.left_list, ['file', 'file2'])
self.assertEqual(d.right_list, ['file'])
self.assertEqual(d.common, ['file'])
self.assertEqual(d.left_only, ['file2'])
self.assertEqual(d.right_only, [])
self.assertEqual(d.same_files, ['file'])
self.assertEqual(d.diff_files, [])
expected_report = [
"diff {} {}".format(self.dir, self.dir_diff),
"Only in {} : ['file2']".format(self.dir),
"Identical files : ['file']",
]
self._assert_report(d.report, expected_report)
# Add different file2
with open(os.path.join(self.dir_diff, 'file2'), 'w') as output:
output.write('Different contents.\n')
d = filecmp.dircmp(self.dir, self.dir_diff)
self.assertEqual(d.same_files, ['file'])
self.assertEqual(d.diff_files, ['file2'])
expected_report = [
"diff {} {}".format(self.dir, self.dir_diff),
"Identical files : ['file']",
"Differing files : ['file2']",
]
self._assert_report(d.report, expected_report)
def test_report_partial_closure(self):
left_dir, right_dir = self.dir, self.dir_same
d = filecmp.dircmp(left_dir, right_dir)
expected_report = [
"diff {} {}".format(self.dir, self.dir_same),
"Identical files : ['file']",
]
self._assert_report(d.report_partial_closure, expected_report)
def test_report_full_closure(self):
left_dir, right_dir = self.dir, self.dir_same
d = filecmp.dircmp(left_dir, right_dir)
expected_report = [
"diff {} {}".format(self.dir, self.dir_same),
"Identical files : ['file']",
]
self._assert_report(d.report_full_closure, expected_report)
def _assert_report(self, dircmp_report, expected_report_lines):
with support.captured_stdout() as stdout:
dircmp_report()
report_lines = stdout.getvalue().strip().split('\n')
self.assertEqual(report_lines, expected_report_lines)
def test_main():
support.run_unittest(FileCompareTestCase, DirCompareTestCase)
if __name__ == "__main__":
test_main()
|
