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# Copyright 2015 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os.path
import shutil
import tempfile
import unittest
from mojom import fileutil
class FileUtilTest(unittest.TestCase):
def testEnsureDirectoryExists(self):
"""Test that EnsureDirectoryExists functions correctly."""
temp_dir = tempfile.mkdtemp()
try:
self.assertTrue(os.path.exists(temp_dir))
# Directory does not exist, yet.
full = os.path.join(temp_dir, "foo", "bar")
self.assertFalse(os.path.exists(full))
# Create the directory.
fileutil.EnsureDirectoryExists(full)
self.assertTrue(os.path.exists(full))
# Trying to create it again does not cause an error.
fileutil.EnsureDirectoryExists(full)
self.assertTrue(os.path.exists(full))
# Bypass check for directory existence to tickle error handling that
# occurs in response to a race.
fileutil.EnsureDirectoryExists(full, always_try_to_create=True)
self.assertTrue(os.path.exists(full))
finally:
shutil.rmtree(temp_dir)
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