diff options
Diffstat (limited to 'morphlib/stagingarea_tests.py')
-rw-r--r-- | morphlib/stagingarea_tests.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/morphlib/stagingarea_tests.py b/morphlib/stagingarea_tests.py new file mode 100644 index 00000000..c6b17610 --- /dev/null +++ b/morphlib/stagingarea_tests.py @@ -0,0 +1,75 @@ +# Copyright (C) 2012 Codethink Limited +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + + +import os +import shutil +import tarfile +import tempfile +import unittest + +import morphlib + + +class StagingAreaTests(unittest.TestCase): + + def setUp(self): + self.tempdir = tempfile.mkdtemp() + self.staging = os.path.join(self.tempdir, 'staging') + self.sa = morphlib.stagingarea.StagingArea(self.staging) + + def tearDown(self): + shutil.rmtree(self.tempdir) + + def create_chunk(self): + chunkdir = os.path.join(self.tempdir, 'chunk') + os.mkdir(chunkdir) + with open(os.path.join(chunkdir, 'file.txt'), 'w'): + pass + chunk_tar = os.path.join(self.tempdir, 'chunk.tar') + tf = tarfile.TarFile(name=chunk_tar, mode='w') + tf.add(chunkdir, arcname='.') + tf.close() + + return chunk_tar + + def list_tree(self, root): + files = [] + for dirname, subdirs, basenames in os.walk(root): + paths = [os.path.join(dirname, x) for x in basenames] + for x in [dirname] + sorted(paths): + files.append(x[len(root):] or '/') + return files + + def test_remembers_specified_directory(self): + self.assertEqual(self.sa.dirname, self.staging) + + def test_accepts_root_directory(self): + sa = morphlib.stagingarea.StagingArea('/') + self.assertEqual(sa.dirname, '/') + + def test_installs_artifact(self): + chunk_tar = self.create_chunk() + with open(chunk_tar, 'rb') as f: + self.sa.install_artifact(f) + self.assertEqual(self.list_tree(self.staging), ['/', '/file.txt']) + + def test_removes_everything(self): + chunk_tar = self.create_chunk() + with open(chunk_tar, 'rb') as f: + self.sa.install_artifact(f) + self.sa.remove() + self.assertFalse(os.path.exists(self.staging)) + |