176 lines
6.0 KiB
Python
176 lines
6.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2012 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import contextlib
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import os
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import shutil
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import StringIO
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import tempfile
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import textwrap
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import unittest
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import uuid
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from nova.compat import flagfile
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from nova import test
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class ThatLastTwoPercentCoverageTestCase(unittest.TestCase):
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def test_open_file_for_reading(self):
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with flagfile._open_file_for_reading(__file__):
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pass
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def test_open_fd_for_writing(self):
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(fd, path) = tempfile.mkstemp()
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try:
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with flagfile._open_fd_for_writing(fd, None):
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pass
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finally:
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os.remove(path)
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class CompatFlagfileTestCase(test.TestCase):
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def setUp(self):
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super(CompatFlagfileTestCase, self).setUp()
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self.files = {}
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self.tempdir = str(uuid.uuid4())
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self.tempfiles = []
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self.stubs.Set(flagfile, '_open_file_for_reading', self._fake_open)
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self.stubs.Set(flagfile, '_open_fd_for_writing', self._fake_open)
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self.stubs.Set(tempfile, 'mkdtemp', self._fake_mkdtemp)
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self.stubs.Set(tempfile, 'mkstemp', self._fake_mkstemp)
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self.stubs.Set(shutil, 'rmtree', self._fake_rmtree)
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def _fake_open(self, *args):
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@contextlib.contextmanager
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def managed_stringio(path):
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if not path in self.files:
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self.files[path] = ""
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sio = StringIO.StringIO(textwrap.dedent(self.files[path]))
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try:
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yield sio
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finally:
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self.files[path] = sio.getvalue()
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sio.close()
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if len(args) == 2:
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args = args[1:] # remove the fd arg for fdopen() case
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return managed_stringio(args[0])
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def _fake_mkstemp(self, *args, **kwargs):
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self.assertTrue('dir' in kwargs)
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self.assertEquals(kwargs['dir'], self.tempdir)
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self.tempfiles.append(str(uuid.uuid4()))
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return (None, self.tempfiles[-1])
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def _fake_mkdtemp(self, *args, **kwargs):
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return self.tempdir
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def _fake_rmtree(self, path):
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self.assertEquals(self.tempdir, path)
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self.tempdir = None
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def test_no_args(self):
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before = []
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after = flagfile.handle_flagfiles(before, tempdir=self.tempdir)
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self.assertEquals(after, before)
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def _do_test_empty_flagfile(self, before):
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self.files['foo.flags'] = ''
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after = flagfile.handle_flagfiles(before, tempdir=self.tempdir)
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self.assertEquals(after, ['--config-file=' + self.tempfiles[-1]])
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self.assertEquals(self.files[self.tempfiles[-1]], '[DEFAULT]\n')
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def test_empty_flagfile(self):
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self._do_test_empty_flagfile(['--flagfile=foo.flags'])
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def test_empty_flagfile_separated(self):
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self._do_test_empty_flagfile(['--flagfile', 'foo.flags'])
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def test_empty_flagfile_single_hyphen(self):
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self._do_test_empty_flagfile(['-flagfile=foo.flags'])
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def test_empty_flagfile_single_hyphen_separated_separated(self):
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self._do_test_empty_flagfile(['-flagfile', 'foo.flags'])
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def test_empty_flagfile_with_other_args(self):
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self.files['foo.flags'] = ''
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before = [
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'--foo', 'bar',
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'--flagfile=foo.flags',
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'--blaa=foo',
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'--foo-flagfile',
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'--flagfile-foo'
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]
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after = flagfile.handle_flagfiles(before, tempdir=self.tempdir)
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self.assertEquals(after, [
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'--foo', 'bar',
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'--config-file=' + self.tempfiles[-1],
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'--blaa=foo',
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'--foo-flagfile',
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'--flagfile-foo'])
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self.assertEquals(self.files[self.tempfiles[-1]], '[DEFAULT]\n')
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def _do_test_flagfile(self, flags, conf):
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self.files['foo.flags'] = flags
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before = ['--flagfile=foo.flags']
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after = flagfile.handle_flagfiles(before, tempdir=self.tempdir)
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self.assertEquals(after,
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['--config-file=' + t
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for t in reversed(self.tempfiles)])
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self.assertEquals(self.files[self.tempfiles[-1]],
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'[DEFAULT]\n' + conf)
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def test_flagfile(self):
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self._do_test_flagfile('--bar=foo', 'bar=foo\n')
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def test_boolean_flag(self):
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self._do_test_flagfile('--verbose', 'verbose=true\n')
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def test_boolean_inverted_flag(self):
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self._do_test_flagfile('--noverbose', 'verbose=false\n')
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def test_flagfile_comments(self):
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self._do_test_flagfile(' \n\n#foo\n--bar=foo\n--foo=bar\n//bar',
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'bar=foo\nfoo=bar\n')
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def test_flagfile_is_config(self):
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self.files['foo.flags'] = '\n\n#foo\n//bar\n[DEFAULT]\nbar=foo'
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before = ['--flagfile=foo.flags']
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after = flagfile.handle_flagfiles(before, tempdir=self.tempdir)
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self.assertEquals(after, ['--config-file=foo.flags'])
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def test_flagfile_nested(self):
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self.files['bar.flags'] = '--foo=bar'
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self._do_test_flagfile('--flagfile=bar.flags', '')
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self.assertEquals(self.files[self.tempfiles[-2]],
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'[DEFAULT]\nfoo=bar\n')
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def test_flagfile_managed(self):
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self.files['foo.flags'] = ''
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before = ['--flagfile=foo.flags']
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with flagfile.handle_flagfiles_managed(before) as after:
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self.assertEquals(after, ['--config-file=' + self.tempfiles[-1]])
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self.assertEquals(self.files[self.tempfiles[-1]], '[DEFAULT]\n')
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self.assertTrue(self.tempdir is None)
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