tests: add qubes-prefs tests

Based on qvm-prefs.

qubesmgmt/tests/tools/qubes_prefs.py

@@ -0,0 +1,68 @@
+# -*- encoding: utf8 -*-
+#
+# The Qubes OS Project, http://www.qubes-os.org
+#
+# Copyright (C) 2017 Marek Marczykowski-Górecki
+#                               <marmarek@invisiblethingslab.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with this program; if not, see <http://www.gnu.org/licenses/>.
+
+import qubesmgmt.tests
+import qubesmgmt.tests.tools
+import qubesmgmt.tools.qubes_prefs
+
+
+class TC_00_qubes_prefs(qubesmgmt.tests.QubesTestCase):
+    def test_000_list(self):
+        self.app.expected_calls[
+            ('dom0', 'mgmt.global.property.List', None, None)] = \
+            b'0\x00prop1\nprop2\n'
+        self.app.expected_calls[
+            ('dom0', 'mgmt.global.property.Get', 'prop1', None)] = \
+            b'0\x00default=True \'value1\''
+        self.app.expected_calls[
+            ('dom0', 'mgmt.global.property.Get', 'prop2', None)] = \
+            b'0\x00default=False \'value2\''
+        with qubesmgmt.tests.tools.StdoutBuffer() as stdout:
+            self.assertEqual(0, qubesmgmt.tools.qubes_prefs.main([], app=self.app))
+        self.assertEqual(stdout.getvalue(),
+            'prop1  D  value1\n'
+            'prop2  -  value2\n')
+        self.assertAllCalled()
+
+    def test_002_set_property(self):
+        self.app.expected_calls[
+            ('dom0', 'mgmt.global.property.Set', 'default_user', b'testuser')]\
+            = b'0\x00'
+        self.assertEqual(0, qubesmgmt.tools.qubes_prefs.main([
+            'default_user', 'testuser'], app=self.app))
+        self.assertAllCalled()
+
+    def test_003_invalid_property(self):
+        self.app.expected_calls[
+            ('dom0', 'mgmt.global.property.Get', 'no_such_property', None)] = \
+            b'2\x00AttributeError\x00\x00no_such_property\x00'
+        with self.assertRaises(SystemExit):
+            qubesmgmt.tools.qubes_prefs.main([
+                'no_such_property'], app=self.app)
+        self.assertAllCalled()
+
+    def test_004_set_invalid_property(self):
+        self.app.expected_calls[
+            ('dom0', 'mgmt.global.property.Set', 'no_such_property', b'value')]\
+            = b'2\x00AttributeError\x00\x00no_such_property\x00'
+        with self.assertRaises(SystemExit):
+            qubesmgmt.tools.qubes_prefs.main([
+                'no_such_property', 'value'], app=self.app)
+        self.assertAllCalled()