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# Copyright (C) 2012-2015 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, see <http://www.gnu.org/licenses/>.
import cliapp
import os
import shutil
import tarfile
import tempfile
import unittest
import morphlib
class FakeBuildEnvironment(object):
def __init__(self):
self.env = {
}
self.extra_path = ['/extra-path']
class FakeSource(object):
def __init__(self):
self.morphology = {
'name': 'le-name',
}
self.name = 'le-name'
class FakeArtifact(object):
def __init__(self):
self.source = FakeSource()
class FakeArtifactCache(object):
def __init__(self, tempdir):
self.tempdir = tempdir
def create_chunk(self, chunkdir):
if not chunkdir:
chunkdir = os.path.join(self.tempdir, 'chunk')
if not os.path.exists(chunkdir):
os.mkdir(chunkdir)
with open(os.path.join(chunkdir, 'file.txt'), 'w'):
pass
return chunkdir
def get(self, artifact, directory=None):
return self.create_chunk(directory)
class FakeApplication(object):
def __init__(self, cachedir, tempdir):
self.settings = {
'cachedir': cachedir,
'tempdir': tempdir,
}
for leaf in ('chunks',):
d = os.path.join(tempdir, leaf)
if not os.path.exists(d):
os.makedirs(d)
def runcmd(self, *args, **kwargs):
return cliapp.runcmd(*args, **kwargs)
def runcmd_unchecked(self, *args, **kwargs):
return cliapp.runcmd_unchecked(*args, **kwargs)
def status(self, **kwargs):
pass
class StagingAreaTests(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.mkdtemp()
self.cachedir = os.path.join(self.tempdir, 'cachedir')
os.mkdir(self.cachedir)
os.mkdir(os.path.join(self.cachedir, 'artifacts'))
self.staging = os.path.join(self.tempdir, 'staging')
self.created_dirs = []
self.build_env = FakeBuildEnvironment()
self.sa = morphlib.stagingarea.StagingArea(
FakeApplication(self.cachedir, self.tempdir), self.staging,
self.build_env)
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
return chunkdir
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_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_creates_overlay_upper_directory(self):
source = FakeSource()
self.sa._mkdir = self.fake_mkdir
dirname = self.sa.overlay_upperdir(source)
self.assertEqual(self.created_dirs, [dirname])
self.assertTrue(dirname.startswith(self.staging))
def test_creates_overlay_directory(self):
source = FakeSource()
self.sa._mkdir = self.fake_mkdir
dirname = self.sa.overlaydir(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):
artifact = FakeArtifact()
artifact_cache = FakeArtifactCache(self.tempdir)
self.sa.install_artifact(artifact_cache, artifact)
self.assertEqual(self.list_tree(self.staging), ['/', '/file.txt'])
def test_removes_everything(self):
artifact = FakeArtifact()
artifact_cache = FakeArtifactCache(self.tempdir)
self.sa.install_artifact(artifact_cache, artifact)
self.sa.remove()
self.assertFalse(os.path.exists(self.staging))
def test_supports_non_isolated_mode(self):
sa = morphlib.stagingarea.StagingArea(
object(), self.staging, self.build_env, use_chroot=False)
filename = os.path.join(self.staging, 'foobar')
self.assertEqual(sa.relative(filename), filename)
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