Add regression tests

These tests aim to verify the output of virt-bootstrap by creating tar
archives which contain dummy root file system and call the function
bootstrap(). The check the extracted root file system.

1 files changed, 78 insertions, 0 deletions

diff --git a/tests/file_source.py b/tests/file_source.py
new file mode 100644
index 0000000..79bb234
--- /dev/null
+++ b/tests/file_source.py
@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+# Authors: Radostin Stoyanov <rstoyanov1@gmail.com>
+#
+# Copyright (C) 2017 Radostin Stoyanov
+#
+# 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, either version 3 of the License, or
+# (at your option) any later version.
+
+# 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/>.
+
+
+"""
+Regression tests which aim to exercise the creation of root file system
+with FileSource.
+"""
+
+import unittest
+
+from . import mock
+from . import virt_bootstrap
+from . import ImageAccessor
+from . import NOT_ROOT
+
+
+# pylint: disable=invalid-name
+class TestDirFileSource(ImageAccessor):
+    """
+    Ensures that files from rootfs tarball are extracted correctly.
+    """
+    def call_bootstrap(self):
+        """
+        Execute the bootstrap() method of virt_bootstrap.
+        """
+        virt_bootstrap.bootstrap(
+            uri=self.tar_file,
+            dest=self.dest_dir,
+            fmt='dir',
+            progress_cb=mock.Mock(),
+            uid_map=self.uid_map,
+            gid_map=self.gid_map,
+            root_password=self.root_password
+        )
+
+    def test_dir_extract_rootfs(self):
+        """
+        Extract rootfs from each dummy tarfile.
+        """
+        self.call_bootstrap()
+        self.check_rootfs(skip_ownership=NOT_ROOT)
+
+    @unittest.skipIf(NOT_ROOT, "Root privileges required")
+    def test_dir_ownership_mapping(self):
+        """
+        Ensures that UID/GID mapping for extracted root file system are applied
+        correctly.
+        """
+        self.uid_map = [[1000, 2000, 10], [0, 1000, 10], [500, 500, 10]]
+        self.gid_map = [[1000, 2000, 10], [0, 1000, 10], [500, 500, 10]]
+        self.call_bootstrap()
+        self.apply_mapping()
+        self.check_rootfs()
+
+    def test_dir_setting_root_password(self):
+        """
+        Ensures that the root password is set correctly when FileSource is used
+        with fmt='dir'.
+        """
+        self.root_password = 'my secret root password'
+        self.call_bootstrap()
+        self.validate_shadow_file()