CLI commands for notifications

Fixes: https://pagure.io/koji/issue/680

tests/test_cli/test_remove_notification.py

@@ -0,0 +1,43 @@
+from __future__ import absolute_import
+import koji
+import mock
+import unittest
+from six.moves import StringIO
+
+from koji_cli.commands import handle_remove_notification
+
+class TestAddHost(unittest.TestCase):
+    def setUp(self):
+        self.options = mock.MagicMock()
+        self.options.debug = False
+        self.session = mock.MagicMock()
+        self.session.getAPIVersion.return_value = koji.API_VERSION
+
+
+    @mock.patch('koji_cli.commands.activate_session')
+    def test_handle_remove_notification(self, activate_session_mock):
+        handle_remove_notification(self.options, self.session, ['1', '3', '5'])
+
+        self.session.deleteNotification.assert_has_calls([mock.call(1), mock.call(3), mock.call(5)])
+
+
+    @mock.patch('sys.exit')
+    @mock.patch('sys.stderr', new_callable=StringIO)
+    def test_handle_remove_notification_bogus(self, sys_stderr, sys_exit):
+        sys_exit.side_effect = SystemExit()
+
+        with self.assertRaises(SystemExit):
+            handle_remove_notification(self.options, self.session, ['bogus'])
+
+        self.session.deleteNotification.assert_not_called()
+
+
+    @mock.patch('sys.exit')
+    @mock.patch('sys.stderr', new_callable=StringIO)
+    def test_handle_remove_notifications_no_args(self, sys_stderr, sys_exit):
+        sys_exit.side_effect = SystemExit()
+
+        with self.assertRaises(SystemExit):
+            handle_remove_notification(self.options, self.session, [])
+
+        self.session.deleteNotification.assert_not_called()