update badges, fixed and extended test_mapping

readme/pylint.svg

@@ -17,7 +17,7 @@
         <text x="22.0" y="14">pylint</text>
     </g>
     <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
-        <text x="63.0" y="15" fill="#010101" fill-opacity=".3">9.65</text>
-        <text x="62.0" y="14">9.65</text>
+        <text x="63.0" y="15" fill="#010101" fill-opacity=".3">9.69</text>
+        <text x="62.0" y="14">9.69</text>
     </g>
 </svg>

tests/testcases/test_mapping.py

@@ -25,8 +25,8 @@ import json
 
 from evdev.ecodes import EV_KEY, EV_ABS, ABS_HAT0X, KEY_A
 
-from keymapper.mapping import Mapping
-from keymapper.state import SystemMapping, XMODMAP_FILENAME
+from keymapper.mapping import Mapping, split_key
+from keymapper.system_mapping import SystemMapping, XMODMAP_FILENAME
 from keymapper.config import config
 from keymapper.paths import get_preset_path
 from keymapper.key import Key
@@ -38,6 +38,13 @@ class TestSystemMapping(unittest.TestCase):
     def tearDown(self):
         quick_cleanup()
 
+    def test_split_key(self):
+        self.assertEqual(split_key("1,2,3"), (1, 2, 3))
+        self.assertEqual(split_key("1,2"), (1, 2, 1))
+        self.assertIsNone(split_key("1"))
+        self.assertIsNone(split_key("1,a,2"))
+        self.assertIsNone(split_key("1,a"))
+
     def test_update(self):
         system_mapping = SystemMapping()
         system_mapping.update({"foo1": 101, "bar1": 102})