1 files changed, 8 insertions, 1 deletions

diff --git a/kronos/tests/test_cli.py b/kronos/tests/test_cli.py
index c3b8e4d..54aef81 100644
--- a/kronos/tests/test_cli.py
+++ b/kronos/tests/test_cli.py
@@ -8,7 +8,7 @@ Test Suite for Command Line UI
 """
 
 
-from nose.tools import assert_equals
+from nose.tools import assert_equals, assert_raises
 from kronos.cli import CommandLineUI
 from kronos.model import Activity
 
@@ -27,3 +27,10 @@ class TestWhenParsingArgs(object):
         assert isinstance(self.ui.activity, Activity)
         assert_equals(self.ui.activity.activity, 'my action')
         assert_equals(self.ui.activity.category, 'home')
+
+
+class TestParsingErrors(object):
+
+    def test_should_exit_if_not_enough_args(self):
+        ui = CommandLineUI([])
+        assert_raises(SystemExit, ui.run)