1 files changed, 143 insertions, 0 deletions
diff --git a/morphlib/stagingarea_tests.py b/morphlib/stagingarea_tests.py
new file mode 100644
index 00000000..dc43e4f6
--- /dev/null
+++ b/morphlib/stagingarea_tests.py
@@ -0,0 +1,143 @@
+# Copyright (C) 2012-2014  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 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 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
+        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_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))
+
+    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)