4 # Copyright (C) 2006, 2007, 2008 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 """Utilities for unit testing"""
28 from ganeti import utils
31 class GanetiTestCase(unittest.TestCase):
32 """Helper class for unittesting.
34 This class defines a few utility functions that help in building
35 unittests. Child classes must call the parent setup and cleanup.
42 while self._temp_files:
44 utils.RemoveFile(self._temp_files.pop())
45 except EnvironmentError, err:
48 def assertFileContent(self, file_name, expected_content):
49 """Checks the content of a file is what we expect.
52 @param file_name: the file whose contents we should check
53 @type expected_content: str
54 @param expected_content: the content we expect
57 actual_content = utils.ReadFile(file_name)
58 self.assertEqual(actual_content, expected_content)
61 def _TestDataFilename(name):
62 """Returns the filename of a given test data file.
65 @param name: the 'base' of the file name, as present in
66 the test/data directory
68 @return: the full path to the filename, such that it can
69 be used in 'make distcheck' rules
72 prefix = os.environ.get("srcdir", "")
74 prefix = prefix + "/test/"
75 return "%sdata/%s" % (prefix, name)
78 def _ReadTestData(cls, name):
79 """Returns the contents of a test data file.
81 This is just a very simple wrapper over utils.ReadFile with the
82 proper test file name.
86 return utils.ReadFile(cls._TestDataFilename(name))
88 def _CreateTempFile(self):
89 """Creates a temporary file and adds it to the internal cleanup list.
91 This method simplifies the creation and cleanup of temporary files
95 fh, fname = tempfile.mkstemp(prefix="ganeti-test", suffix=".tmp")
97 self._temp_files.append(fname)