✅ unittest for parse val history

Author: codedawi

tests/test_jhu.py

@@ -30,3 +30,19 @@ async def test_get_locations(mock_client_session):
     # `jhu.get_locations()` creates id based on recovered list
     location_recovered = await jhu.get_category("recovered")
     assert len(output) == len(location_recovered["locations"])
+
+
+@pytest.mark.parametrize(
+    "key, locations, index, expected",
+    [
+        (("Thailand", "TH"), [{"country": "Thailand", "province": "TH", "history": {"test": "yes"}}], 0, {"test": "yes"}), # Success
+        (("Deutschland", "DE"), [{"country": "Deutschland", "province": "DE", "history": {"test": "no"}}], 1, {}), # IndexError
+        (("US", "NJ"), [{"country": "Deutschland", "province": "DE", "history": {"test": "no"}}], 0, {}), # Invaid Key Merge
+    ],
+)
+def test_parse_history(key, locations, index, expected):
+    """
+    Test validating and extracting history content from
+    locations data based on index.
+    """
+    assert jhu.parse_history(key, locations, index) == expected