test(types_test.py): add initial tests

tests/types_test.py

@@ -0,0 +1,21 @@
+import pytest
+
+from pyplayht.types import GenerateStatus, OutputFormat, OutputQuality
+
+
+@pytest.mark.parametrize(
+    "type_class, fields",
+    [
+        (OutputFormat, {"FLAC", "MP3", "MULAW", "OGG", "WAV"}),
+        (GenerateStatus, {"GENERATING", "COMPLETED", "ERROR"}),
+        (OutputQuality, {"DRAFT", "LOW", "MEDIUM", "HIGH", "PREMIUM"}),
+    ],
+)
+def test_static_types(type_class, fields):
+    test_fields = set()
+    for attr in dir(type_class):
+        test_condition_1 = not callable(getattr(type_class, attr))
+        test_condition_2 = not attr.startswith("__")
+        if test_condition_1 and test_condition_2:
+            test_fields.add(attr)
+    assert test_fields == fields