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# 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 FakeSource(object):
def __init__(self):
self.morphology = {
'name': 'le-name',
}
class StagingAreaTests(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.mkdtemp()
self.staging = os.path.join(self.tempdir, 'staging')
self.created_dirs = []
self.sa = morphlib.stagingarea.StagingArea(object(), self.staging,
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 fake_mkdir(self, dirname):
self.created_dirs.append(dirname)
def test_remembers_specified_directory(self):
self.assertEqual(self.sa.dirname, self.staging)
def test_accepts_root_directory(self):
sa = morphlib.stagingarea.StagingArea(object(), '/', '/tmp')
self.assertEqual(sa.dirname, '/')
def test_creates_build_directory(self):
source = FakeSource()
self.sa._mkdir = self.fake_mkdir
dirname = self.sa.builddir(source)
self.assertEqual(self.created_dirs, [dirname])
self.assertTrue(dirname.startswith(self.staging))
def test_creates_install_directory(self):
source = FakeSource()
self.sa._mkdir = self.fake_mkdir
dirname = self.sa.destdir(source)
self.assertEqual(self.created_dirs, [dirname])
self.assertTrue(dirname.startswith(self.staging))
def test_makes_relative_name(self):
filename = os.path.join(self.staging, 'foobar')
self.assertEqual(self.sa.relative(filename), '/foobar')
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))
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