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# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from __future__ import absolute_import
import filecmp
import os
import shutil
from py_utils import tempfile_ext
from pyfakefs import fake_filesystem_unittest
class NamedTemporaryDirectoryTest(fake_filesystem_unittest.TestCase):
def setUp(self):
self.setUpPyfakefs()
def tearDown(self):
self.tearDownPyfakefs()
def testBasic(self):
with tempfile_ext.NamedTemporaryDirectory() as d:
self.assertTrue(os.path.exists(d))
self.assertTrue(os.path.isdir(d))
self.assertFalse(os.path.exists(d))
def testSuffix(self):
test_suffix = 'foo'
with tempfile_ext.NamedTemporaryDirectory(suffix=test_suffix) as d:
self.assertTrue(os.path.basename(d).endswith(test_suffix))
def testPrefix(self):
test_prefix = 'bar'
with tempfile_ext.NamedTemporaryDirectory(prefix=test_prefix) as d:
self.assertTrue(os.path.basename(d).startswith(test_prefix))
def testDir(self):
test_dir = '/baz'
self.fs.CreateDirectory(test_dir)
with tempfile_ext.NamedTemporaryDirectory(dir=test_dir) as d:
self.assertEqual(test_dir, os.path.dirname(d))
class TemporaryFilesTest(fake_filesystem_unittest.TestCase):
def setUp(self):
self.setUpPyfakefs()
def tearDown(self):
self.tearDownPyfakefs()
def testNamedTemporaryFile(self):
with tempfile_ext.NamedTemporaryFile() as f:
self.assertTrue(os.path.isfile(f.name))
f.write(b'<data>')
f.close()
self.assertTrue(os.path.exists(f.name))
with open(f.name) as f2:
self.assertEqual(f2.read(), '<data>')
self.assertFalse(os.path.exists(f.name))
def testTemporaryFileName(self):
with tempfile_ext.TemporaryFileName('foo') as filepath:
self.assertTrue(os.path.basename(filepath), 'foo')
self.assertFalse(os.path.exists(filepath))
with open(filepath, 'w') as f:
f.write('<data>')
self.assertTrue(os.path.exists(filepath))
shutil.copyfile(filepath, filepath + '.bak')
self.assertTrue(filecmp.cmp(filepath, filepath + '.bak'))
self.assertFalse(os.path.exists(filepath))
self.assertFalse(os.path.exists(os.path.dirname(filepath)))
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