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New test for rev. 54407 which only uses directories under TESTFN.

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This commit is contained in:
Georg Brandl 2007-03-21 09:10:29 +00:00
parent 5cb76c19ba
commit cae9f3d916
4 changed files with 70 additions and 32 deletions
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66
Lib/test/test_os.py
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@ -272,65 +272,89 @@ def test_traversal(self):
from os.path import join
# Build:
# TESTFN/ a file kid and two directory kids
# TESTFN/
# TEST1/ a file kid and two directory kids
# tmp1
# SUB1/ a file kid and a directory kid
# tmp2
# SUB11/ no kids
# SUB2/ just a file kid
# tmp3
sub1_path = join(test_support.TESTFN, "SUB1")
# tmp2
# SUB11/ no kids
# SUB2/ a file kid and a dirsymlink kid
# tmp3
# link/ a symlink to TESTFN.2
# TEST2/
# tmp4 a lone file
walk_path = join(test_support.TESTFN, "TEST1")
sub1_path = join(walk_path, "SUB1")
sub11_path = join(sub1_path, "SUB11")
sub2_path = join(test_support.TESTFN, "SUB2")
tmp1_path = join(test_support.TESTFN, "tmp1")
sub2_path = join(walk_path, "SUB2")
tmp1_path = join(walk_path, "tmp1")
tmp2_path = join(sub1_path, "tmp2")
tmp3_path = join(sub2_path, "tmp3")
link_path = join(sub2_path, "link")
t2_path = join(test_support.TESTFN, "TEST2")
tmp4_path = join(test_support.TESTFN, "TEST2", "tmp4")
# Create stuff.
os.makedirs(sub11_path)
os.makedirs(sub2_path)
for path in tmp1_path, tmp2_path, tmp3_path:
os.makedirs(t2_path)
for path in tmp1_path, tmp2_path, tmp3_path, tmp4_path:
f = file(path, "w")
f.write("I'm " + path + " and proud of it. Blame test_os.\n")
f.close()
if hasattr(os, "symlink"):
os.symlink(os.path.abspath(t2_path), link_path)
else:
# it must be a directory because the test expects that
os.mkdir(link_path)
# Walk top-down.
all = list(os.walk(test_support.TESTFN))
all = list(os.walk(walk_path))
self.assertEqual(len(all), 4)
# We can't know which order SUB1 and SUB2 will appear in.
# Not flipped: TESTFN, SUB1, SUB11, SUB2
# flipped: TESTFN, SUB2, SUB1, SUB11
flipped = all[0][1][0] != "SUB1"
all[0][1].sort()
self.assertEqual(all[0], (test_support.TESTFN, ["SUB1", "SUB2"], ["tmp1"]))
self.assertEqual(all[0], (walk_path, ["SUB1", "SUB2"], ["tmp1"]))
self.assertEqual(all[1 + flipped], (sub1_path, ["SUB11"], ["tmp2"]))
self.assertEqual(all[2 + flipped], (sub11_path, [], []))
self.assertEqual(all[3 - 2 * flipped], (sub2_path, [], ["tmp3"]))
self.assertEqual(all[3 - 2 * flipped], (sub2_path, ["link"], ["tmp3"]))
# Prune the search.
all = []
for root, dirs, files in os.walk(test_support.TESTFN):
for root, dirs, files in os.walk(walk_path):
all.append((root, dirs, files))
# Don't descend into SUB1.
if 'SUB1' in dirs:
# Note that this also mutates the dirs we appended to all!
dirs.remove('SUB1')
self.assertEqual(len(all), 2)
self.assertEqual(all[0], (test_support.TESTFN, ["SUB2"], ["tmp1"]))
self.assertEqual(all[1], (sub2_path, [], ["tmp3"]))
self.assertEqual(all[0], (walk_path, ["SUB2"], ["tmp1"]))
self.assertEqual(all[1], (sub2_path, ["link"], ["tmp3"]))
# Walk bottom-up.
all = list(os.walk(test_support.TESTFN, topdown=False))
all = list(os.walk(walk_path, topdown=False))
self.assertEqual(len(all), 4)
# We can't know which order SUB1 and SUB2 will appear in.
# Not flipped: SUB11, SUB1, SUB2, TESTFN
# flipped: SUB2, SUB11, SUB1, TESTFN
flipped = all[3][1][0] != "SUB1"
all[3][1].sort()
self.assertEqual(all[3], (test_support.TESTFN, ["SUB1", "SUB2"], ["tmp1"]))
self.assertEqual(all[3], (walk_path, ["SUB1", "SUB2"], ["tmp1"]))
self.assertEqual(all[flipped], (sub11_path, [], []))
self.assertEqual(all[flipped + 1], (sub1_path, ["SUB11"], ["tmp2"]))
self.assertEqual(all[2 - 2 * flipped], (sub2_path, [], ["tmp3"]))
self.assertEqual(all[2 - 2 * flipped], (sub2_path, ["link"], ["tmp3"]))
# Walk, following symlinks.
for root, dirs, files in os.walk(walk_path, followlinks=True):
if root == link_path:
self.assertEqual(dirs, [])
self.assertEqual(files, ["tmp4"])
break
else:
self.fail("Didn't follow symlink with followlinks=True")
# Tear everything down. This is a decent use for bottom-up on
# Windows, which doesn't have a recursive delete command. The
@ -340,7 +364,11 @@ def test_traversal(self):
for name in files:
os.remove(join(root, name))
for name in dirs:
os.rmdir(join(root, name))
dirname = join(root, name)
if not os.path.islink(dirname):
os.rmdir(dirname)
else:
os.remove(dirname)
os.rmdir(test_support.TESTFN)
class MakedirTests (unittest.TestCase):