root / test / testutils.py @ e7d6946c
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# Copyright (C) 2006, 2007, 2008 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Utilities for unit testing"""
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import os |
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import stat |
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import tempfile |
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import unittest |
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from ganeti import utils |
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class GanetiTestCase(unittest.TestCase): |
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"""Helper class for unittesting.
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This class defines a few utility functions that help in building
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unittests. Child classes must call the parent setup and cleanup.
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"""
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def setUp(self): |
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self._temp_files = []
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def tearDown(self): |
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while self._temp_files: |
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try:
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utils.RemoveFile(self._temp_files.pop())
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except EnvironmentError, err: |
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pass
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def assertFileContent(self, file_name, expected_content): |
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"""Checks that the content of a file is what we expect.
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@type file_name: str
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@param file_name: the file whose contents we should check
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@type expected_content: str
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@param expected_content: the content we expect
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"""
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actual_content = utils.ReadFile(file_name) |
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self.assertEqual(actual_content, expected_content)
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def assertFileMode(self, file_name, expected_mode): |
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"""Checks that the mode of a file is what we expect.
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@type file_name: str
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@param file_name: the file whose contents we should check
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@type expected_mode: int
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@param expected_mode: the mode we expect
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"""
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st = os.stat(file_name) |
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actual_mode = stat.S_IMODE(st.st_mode) |
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self.assertEqual(actual_mode, expected_mode)
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@staticmethod
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def _TestDataFilename(name): |
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"""Returns the filename of a given test data file.
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@type name: str
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@param name: the 'base' of the file name, as present in
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the test/data directory
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@rtype: str
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@return: the full path to the filename, such that it can
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be used in 'make distcheck' rules
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"""
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prefix = os.environ.get("srcdir", "") |
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if prefix:
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prefix = prefix + "/test/"
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return "%sdata/%s" % (prefix, name) |
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@classmethod
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def _ReadTestData(cls, name): |
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"""Returns the contents of a test data file.
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This is just a very simple wrapper over utils.ReadFile with the
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proper test file name.
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"""
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return utils.ReadFile(cls._TestDataFilename(name))
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def _CreateTempFile(self): |
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"""Creates a temporary file and adds it to the internal cleanup list.
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This method simplifies the creation and cleanup of temporary files
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during tests.
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"""
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fh, fname = tempfile.mkstemp(prefix="ganeti-test", suffix=".tmp") |
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os.close(fh) |
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self._temp_files.append(fname)
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return fname
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