1 files changed, 33 insertions, 0 deletions
diff --git a/tests/test_config.py b/tests/test_config.py
new file mode 100644
index 0000000..ff56325
--- /dev/null
+++ b/tests/test_config.py
@@ -0,0 +1,33 @@
+# tests/test_config.py
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(ROOT))
+
+import tomllib
+import unittest
+
+import deckit.config as config
+
+
+class Config(unittest.TestCase):
+    def test_default_config_is_valid(self):
+        with open(ROOT / "config.toml", "rb") as f:
+            self.assertIsNone(config.config_error(tomllib.load(f)))
+
+    def test_rejects_bad_values(self):
+        bad = [{"display": {"name": "TAB;rm"}},
+               {"display": {"refresh": 0}},
+               {"ports": {"command_center": 80}},
+               {"ports": {"command_center": 5900, "display": 5900}}]
+        for cfg in bad:
+            self.assertIsNotNone(config.config_error(cfg), cfg)
+
+    def test_user_config_path_honours_xdg(self):
+        self.assertEqual(config.user_config_path().name, "config.toml")
+        self.assertEqual(config.user_config_path().parent.name, "deck-it")
+
+
+if __name__ == "__main__":
+    unittest.main()