diff --git a/tests/test_keysyms/__init__.py b/tests/test_keysyms/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/test_keysyms/test_keysymdef.py b/tests/test_keysyms/test_keysymdef.py
new file mode 100644
index 00000000..0002d10a
--- /dev/null
+++ b/tests/test_keysyms/test_keysymdef.py
@@ -0,0 +1,9 @@
+from keysyms import keysymdef
+
+
+def test_keysymdef():
+    key_mapping = keysymdef.key_symbols
+
+    assert key_mapping["0"] == 48
+    assert key_mapping["A"] == 65
+    assert key_mapping["a"] == 97