tests: coverage for typing_utils

xivo/tests/test_typing_utils.py

@@ -0,0 +1,23 @@
+# from typing import get_type_hints
+
+from typing import get_type_hints
+
+from xivo.typing_utils import JSON
+
+
+class TestAnnotations:
+    # the relevant test coverage relies on the mypy linter checking those annotations,
+    # not on runtime tests
+    a: JSON = dict(name="hello")
+    b: JSON = 2
+    c: JSON = [1, 2, 3]
+    d: JSON = "hello"
+    e: JSON = True
+    f: JSON = 3.14
+    g: JSON = None
+    h: JSON = [a, b, c, d, e, f, g]
+    i: JSON = {"a": a, "b": b, "c": c, "d": d, "e": e, "f": f, "g": g}
+
+    def test_annotations(self):
+        annots = get_type_hints(self.__class__)
+        assert all(t is JSON for t in annots.values())