summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_shutil.py
blob: ad60a44bb32ba91fb60ce5483bcf6f32637c679c (plain)
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
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
# Copyright (C) 2003 Python Software Foundation

import unittest
import shutil
import tempfile
import sys
import stat
import os
import os.path
from test import support
from test.support import TESTFN

class TestShutil(unittest.TestCase):
    def test_rmtree_errors(self):
        # filename is guaranteed not to exist
        filename = tempfile.mktemp()
        self.assertRaises(OSError, shutil.rmtree, filename)

    # See bug #1071513 for why we don't run this on cygwin
    # and bug #1076467 for why we don't run this as root.
    if (hasattr(os, 'chmod') and sys.platform[:6] != 'cygwin'
        and not (hasattr(os, 'geteuid') and os.geteuid() == 0)):
        def test_on_error(self):
            self.errorState = 0
            os.mkdir(TESTFN)
            self.childpath = os.path.join(TESTFN, 'a')
            f = open(self.childpath, 'w')
            f.close()
            old_dir_mode = os.stat(TESTFN).st_mode
            old_child_mode = os.stat(self.childpath).st_mode
            # Make unwritable.
            os.chmod(self.childpath, stat.S_IREAD)
            os.chmod(TESTFN, stat.S_IREAD)

            shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror)
            # Test whether onerror has actually been called.
            self.assertEqual(self.errorState, 2,
                             "Expected call to onerror function did not happen.")

            # Make writable again.
            os.chmod(TESTFN, old_dir_mode)
            os.chmod(self.childpath, old_child_mode)

            # Clean up.
            shutil.rmtree(TESTFN)

    def check_args_to_onerror(self, func, arg, exc):
        if self.errorState == 0:
            self.assertEqual(func, os.remove)
            self.assertEqual(arg, self.childpath)
            self.failUnless(issubclass(exc[0], OSError))
            self.errorState = 1
        else:
            self.assertEqual(func, os.rmdir)
            self.assertEqual(arg, TESTFN)
            self.failUnless(issubclass(exc[0], OSError))
            self.errorState = 2

    def test_rmtree_dont_delete_file(self):
        # When called on a file instead of a directory, don't delete it.
        handle, path = tempfile.mkstemp()
        os.fdopen(handle).close()
        self.assertRaises(OSError, shutil.rmtree, path)
        os.remove(path)

    def test_copytree_simple(self):
        def write_data(path, data):
            f = open(path, "w")
            f.write(data)
            f.close()

        def read_data(path):
            f = open(path)
            data = f.read()
            f.close()
            return data

        src_dir = tempfile.mkdtemp()
        dst_dir = os.path.join(tempfile.mkdtemp(), 'destination')

        write_data(os.path.join(src_dir, 'test.txt'), '123')

        os.mkdir(os.path.join(src_dir, 'test_dir'))
        write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456')

        try:
            shutil.copytree(src_dir, dst_dir)
            self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test.txt')))
            self.assertTrue(os.path.isdir(os.path.join(dst_dir, 'test_dir')))
            self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test_dir',
                                                        'test.txt')))
            actual = read_data(os.path.join(dst_dir, 'test.txt'))
            self.assertEqual(actual, '123')
            actual = read_data(os.path.join(dst_dir, 'test_dir', 'test.txt'))
            self.assertEqual(actual, '456')
        finally:
            for path in (
                    os.path.join(src_dir, 'test.txt'),
                    os.path.join(dst_dir, 'test.txt'),
                    os.path.join(src_dir, 'test_dir', 'test.txt'),
                    os.path.join(dst_dir, 'test_dir', 'test.txt'),
                ):
                if os.path.exists(path):
                    os.remove(path)
            for path in (src_dir,
                    os.path.abspath(os.path.join(dst_dir, os.path.pardir))
                ):
                if os.path.exists(path):
                    shutil.rmtree(path)

    def test_copytree_with_exclude(self):

        def write_data(path, data):
            f = open(path, "w")
            f.write(data)
            f.close()

        def read_data(path):
            f = open(path)
            data = f.read()
            f.close()
            return data

        # creating data
        join = os.path.join
        exists = os.path.exists
        src_dir = tempfile.mkdtemp()
        dst_dir = join(tempfile.mkdtemp(), 'destination')
        write_data(join(src_dir, 'test.txt'), '123')
        write_data(join(src_dir, 'test.tmp'), '123')
        os.mkdir(join(src_dir, 'test_dir'))
        write_data(join(src_dir, 'test_dir', 'test.txt'), '456')
        os.mkdir(join(src_dir, 'test_dir2'))
        write_data(join(src_dir, 'test_dir2', 'test.txt'), '456')
        os.mkdir(join(src_dir, 'test_dir2', 'subdir'))
        os.mkdir(join(src_dir, 'test_dir2', 'subdir2'))
        write_data(join(src_dir, 'test_dir2', 'subdir', 'test.txt'), '456')
        write_data(join(src_dir, 'test_dir2', 'subdir2', 'test.py'), '456')


        # testing glob-like patterns
        try:
            patterns = shutil.ignore_patterns('*.tmp', 'test_dir2')
            shutil.copytree(src_dir, dst_dir, ignore=patterns)
            # checking the result: some elements should not be copied
            self.assert_(exists(join(dst_dir, 'test.txt')))
            self.assert_(not exists(join(dst_dir, 'test.tmp')))
            self.assert_(not exists(join(dst_dir, 'test_dir2')))
        finally:
            if os.path.exists(dst_dir):
                shutil.rmtree(dst_dir)
        try:
            patterns = shutil.ignore_patterns('*.tmp', 'subdir*')
            shutil.copytree(src_dir, dst_dir, ignore=patterns)
            # checking the result: some elements should not be copied
            self.assert_(not exists(join(dst_dir, 'test.tmp')))
            self.assert_(not exists(join(dst_dir, 'test_dir2', 'subdir2')))
            self.assert_(not exists(join(dst_dir, 'test_dir2', 'subdir')))
        finally:
            if os.path.exists(dst_dir):
                shutil.rmtree(dst_dir)

        # testing callable-style
        try:
            def _filter(src, names):
                res = []
                for name in names:
                    path = os.path.join(src, name)

                    if (os.path.isdir(path) and
                        path.split()[-1] == 'subdir'):
                        res.append(name)
                    elif os.path.splitext(path)[-1] in ('.py'):
                        res.append(name)
                return res

            shutil.copytree(src_dir, dst_dir, ignore=_filter)

            # checking the result: some elements should not be copied
            self.assert_(not exists(join(dst_dir, 'test_dir2', 'subdir2',
                                    'test.py')))
            self.assert_(not exists(join(dst_dir, 'test_dir2', 'subdir')))

        finally:
            if os.path.exists(dst_dir):
                shutil.rmtree(dst_dir)

    if hasattr(os, "symlink"):
        def test_dont_copy_file_onto_link_to_itself(self):
            # bug 851123.
            os.mkdir(TESTFN)
            src = os.path.join(TESTFN, 'cheese')
            dst = os.path.join(TESTFN, 'shop')
            try:
                f = open(src, 'w')
                f.write('cheddar')
                f.close()

                os.link(src, dst)
                self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
                self.assertEqual(open(src,'r').read(), 'cheddar')
                os.remove(dst)

                # Using `src` here would mean we end up with a symlink pointing
                # to TESTFN/TESTFN/cheese, while it should point at
                # TESTFN/cheese.
                os.symlink('cheese', dst)
                self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
                self.assertEqual(open(src,'r').read(), 'cheddar')
                os.remove(dst)
            finally:
                try:
                    shutil.rmtree(TESTFN)
                except OSError:
                    pass

        def test_rmtree_on_symlink(self):
            # bug 1669.
            os.mkdir(TESTFN)
            try:
                src = os.path.join(TESTFN, 'cheese')
                dst = os.path.join(TESTFN, 'shop')
                os.mkdir(src)
                os.symlink(src, dst)
                self.assertRaises(OSError, shutil.rmtree, dst)
            finally:
                shutil.rmtree(TESTFN, ignore_errors=True)


class TestMove(unittest.TestCase):

    def setUp(self):
        filename = "foo"
        self.src_dir = tempfile.mkdtemp()
        self.dst_dir = tempfile.mkdtemp()
        self.src_file = os.path.join(self.src_dir, filename)
        self.dst_file = os.path.join(self.dst_dir, filename)
        # Try to create a dir in the current directory, hoping that it is
        # not located on the same filesystem as the system tmp dir.
        try:
            self.dir_other_fs = tempfile.mkdtemp(
                dir=os.path.dirname(__file__))
            self.file_other_fs = os.path.join(self.dir_other_fs,
                filename)
        except OSError:
            self.dir_other_fs = None
        with open(self.src_file, "wb") as f:
            f.write(b"spam")

    def tearDown(self):
        for d in (self.src_dir, self.dst_dir, self.dir_other_fs):
            try:
                if d:
                    shutil.rmtree(d)
            except:
                pass

    def _check_move_file(self, src, dst, real_dst):
        contents = open(src, "rb").read()
        shutil.move(src, dst)
        self.assertEqual(contents, open(real_dst, "rb").read())
        self.assertFalse(os.path.exists(src))

    def _check_move_dir(self, src, dst, real_dst):
        contents = sorted(os.listdir(src))
        shutil.move(src, dst)
        self.assertEqual(contents, sorted(os.listdir(real_dst)))
        self.assertFalse(os.path.exists(src))

    def test_move_file(self):
        # Move a file to another location on the same filesystem.
        self._check_move_file(self.src_file, self.dst_file, self.dst_file)

    def test_move_file_to_dir(self):
        # Move a file inside an existing dir on the same filesystem.
        self._check_move_file(self.src_file, self.dst_dir, self.dst_file)

    def test_move_file_other_fs(self):
        # Move a file to an existing dir on another filesystem.
        if not self.dir_other_fs:
            # skip
            return
        self._check_move_file(self.src_file, self.file_other_fs,
            self.file_other_fs)

    def test_move_file_to_dir_other_fs(self):
        # Move a file to another location on another filesystem.
        if not self.dir_other_fs:
            # skip
            return
        self._check_move_file(self.src_file, self.dir_other_fs,
            self.file_other_fs)

    def test_move_dir(self):
        # Move a dir to another location on the same filesystem.
        dst_dir = tempfile.mktemp()
        try:
            self._check_move_dir(self.src_dir, dst_dir, dst_dir)
        finally:
            try:
                shutil.rmtree(dst_dir)
            except:
                pass

    def test_move_dir_other_fs(self):
        # Move a dir to another location on another filesystem.
        if not self.dir_other_fs:
            # skip
            return
        dst_dir = tempfile.mktemp(dir=self.dir_other_fs)
        try:
            self._check_move_dir(self.src_dir, dst_dir, dst_dir)
        finally:
            try:
                shutil.rmtree(dst_dir)
            except:
                pass

    def test_move_dir_to_dir(self):
        # Move a dir inside an existing dir on the same filesystem.
        self._check_move_dir(self.src_dir, self.dst_dir,
            os.path.join(self.dst_dir, os.path.basename(self.src_dir)))

    def test_move_dir_to_dir_other_fs(self):
        # Move a dir inside an existing dir on another filesystem.
        if not self.dir_other_fs:
            # skip
            return
        self._check_move_dir(self.src_dir, self.dir_other_fs,
            os.path.join(self.dir_other_fs, os.path.basename(self.src_dir)))

    def test_existing_file_inside_dest_dir(self):
        # A file with the same name inside the destination dir already exists.
        with open(self.dst_file, "wb"):
            pass
        self.assertRaises(shutil.Error, shutil.move, self.src_file, self.dst_dir)

    def test_dont_move_dir_in_itself(self):
        # Moving a dir inside itself raises an Error.
        dst = os.path.join(self.src_dir, "bar")
        self.assertRaises(shutil.Error, shutil.move, self.src_dir, dst)



def test_main():
    support.run_unittest(TestShutil, TestMove)

if __name__ == '__main__':
    test_main()