added compatibility for python 3.8

tests/api_test.py

@@ -0,0 +1,35 @@
+"""Unittests for API client."""
+
+import unittest
+import streamdeckapi
+
+
+class TestApi(unittest.TestCase):
+    """Api Test Case."""
+
+    def test_constructor(self):
+        """Constructor test."""
+        host = "host.local"
+
+        # Test valid types
+        api = streamdeckapi.StreamDeckApi(host)
+        self.assertEqual(api.host, host)
+
+        streamdeckapi.StreamDeckApi(host, on_button_press=None)
+        streamdeckapi.StreamDeckApi(host, on_button_release=None)
+        streamdeckapi.StreamDeckApi(host, on_status_update=None)
+        streamdeckapi.StreamDeckApi(host, on_ws_connect=None)
+        streamdeckapi.StreamDeckApi(host, on_ws_message=None)
+
+        # Test some invalid types
+        for i_type in ["string", 2345, [321, 6457], {"key": "value"}]:
+            with self.assertRaises(TypeError):
+                _ = streamdeckapi.StreamDeckApi(host, on_button_press=i_type)
+            with self.assertRaises(TypeError):
+                _ = streamdeckapi.StreamDeckApi(host, on_button_release=i_type)
+            with self.assertRaises(TypeError):
+                _ = streamdeckapi.StreamDeckApi(host, on_status_update=i_type)
+            with self.assertRaises(TypeError):
+                _ = streamdeckapi.StreamDeckApi(host, on_ws_connect=i_type)
+            with self.assertRaises(TypeError):
+                _ = streamdeckapi.StreamDeckApi(host, on_ws_message=i_type)