1 files changed, 32 insertions, 0 deletions
diff --git a/testing/marionette/harness/marionette_harness/tests/harness_unit/test_marionette_arguments.py b/testing/marionette/harness/marionette_harness/tests/harness_unit/test_marionette_arguments.py
new file mode 100644
index 000000000..1a0687028
--- /dev/null
+++ b/testing/marionette/harness/marionette_harness/tests/harness_unit/test_marionette_arguments.py
@@ -0,0 +1,32 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+import pytest
+
+from marionette_harness.runtests import MarionetteArguments
+
+
+@pytest.mark.parametrize("socket_timeout", ['A', '10', '1B-', '1C2', '44.35'])
+def test_parse_arg_socket_timeout(socket_timeout):
+    argv = ['marionette', '--socket-timeout', socket_timeout]
+    parser = MarionetteArguments()
+
+    def _is_float_convertible(value):
+        try:
+            float(value)
+            return True
+        except:
+            return False
+
+    if not _is_float_convertible(socket_timeout):
+        with pytest.raises(SystemExit) as ex:
+            parser.parse_args(args=argv)
+        assert ex.value.code == 2
+    else:
+        args = parser.parse_args(args=argv)
+        assert hasattr(args, 'socket_timeout') and args.socket_timeout == float(socket_timeout)
+
+
+if __name__ == '__main__':
+    import sys
+    sys.exit(pytest.main(['--verbose', __file__]))