Add unittests for partial command parsing

tests/helpers/fixtures.py

@@ -146,6 +146,8 @@ def _generate_cmdline_tests():
     # Command with no_cmd_split combined with an "invalid" command -> valid
     for item in itertools.product(['bind x open'], separators, invalid):
         yield TestCase(''.join(item), True)
+    # Partial command
+    yield TestCase('message-i', False)
 
 
 @pytest.fixture(params=_generate_cmdline_tests(), ids=lambda e: e.cmd)

tests/unit/commands/test_runners.py

@@ -51,3 +51,12 @@ class TestCommandRunner:
         assert result.count == 20
         assert result.args == ['down']
         assert result.cmdline == ['scroll', 'down']
+
+    def test_partial_parsing(self):
+        """Test partial parsing with a runner where it's enabled.
+
+        The same with it being disabled is tested by test_parse_all.
+        """
+        cr = runners.CommandRunner(0, partial_match=True)
+        result = cr.parse('message-i', aliases=False)
+        assert result.cmd.name == 'message-info'