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
|
"""
=========================
tests.test_temp_directory
=========================
Provide temp directory context manager and tests for it.
"""
import os
import shutil
import tempfile
import unittest
from contextlib import contextmanager
@contextmanager
def temp_directory():
"""
This context manager gives the path to a new temporary directory that is
deleted (with all it's content) at the end of the with block.
"""
directory = tempfile.mkdtemp()
try:
yield directory
finally:
shutil.rmtree(directory)
class TestTempDirectory(unittest.TestCase):
def test_exception(self):
try:
with temp_directory() as temp:
assert os.path.isdir(temp)
1/0
except ZeroDivisionError:
pass
else:
assert False, 'Exception did not propagate'
assert not os.path.exists(temp)
def test_removed(self):
with temp_directory() as temp:
assert os.path.isdir(temp)
# should be removed now
assert not os.path.exists(temp)
def test_writing(self):
with temp_directory() as temp:
filename = os.path.join(temp, 'foo')
with open(filename, 'w') as fd:
fd.write('foo')
assert os.path.isfile(filename)
assert not os.path.exists(temp)
assert not os.path.exists(filename)
|
