feat(analytics): add tests for custom properties for UTM code informa…

…tion

tests/pytest/core/test_analytics.py

@@ -1,7 +1,7 @@
 import pytest
 
 import benefits.core.analytics
-from benefits.core.analytics import Event
+from benefits.core.analytics import Event, ViewedPageEvent
 
 
 @pytest.mark.django_db
@@ -80,3 +80,49 @@ def test_Event_update_user_properties(app_request):
 
     assert key in event.user_properties
     assert event.user_properties[key] == value
+
+
+@pytest.mark.django_db
+def test_ViewedPageEvent_sets_default_event_properties(app_request, mocker):
+    update_spy = mocker.spy(ViewedPageEvent, "update_event_properties")
+
+    ViewedPageEvent(app_request)
+
+    utm_codes = ["utm_campaign", "utm_source", "utm_medium", "utm_content", "utm_id"]
+    for utm_code in utm_codes:
+        assert utm_code in update_spy.call_args.kwargs
+        assert update_spy.call_args.kwargs.get(utm_code) is None
+
+
+@pytest.mark.django_db
+def test_ViewedPageEvent_sets_default_user_properties(app_request, mocker):
+    update_spy = mocker.spy(ViewedPageEvent, "update_user_properties")
+
+    ViewedPageEvent(app_request)
+
+    utm_codes = ["utm_campaign", "utm_source", "utm_medium", "utm_content", "utm_id"]
+    for utm_code in utm_codes:
+        assert utm_code in update_spy.call_args.kwargs
+        assert update_spy.call_args.kwargs.get(utm_code) is None
+
+
+@pytest.mark.django_db
+def test_ViewedPageEvent_update_event_properties(app_request):
+    key, value = "utm_campaign", "Transit"
+    event = ViewedPageEvent(app_request)
+
+    event.update_event_properties(**{key: value})
+
+    assert key in event.event_properties
+    assert event.event_properties[key] == value
+
+
+@pytest.mark.django_db
+def test_ViewedPageEvent_update_user_properties(app_request):
+    key, value = "utm_campaign", "Transit"
+    event = ViewedPageEvent(app_request)
+
+    event.update_user_properties(**{key: value})
+
+    assert key in event.user_properties
+    assert event.user_properties[key] == value