test: add tests for render_partial_to_target

radiofeed/tests/test_partials.py

@@ -0,0 +1,46 @@
+import pytest
+from django_htmx.middleware import HtmxDetails
+
+from radiofeed.partials import render_partial_for_target
+
+
+class TestRenderPartialForTarget:
+    @pytest.fixture
+    def mock_render(self, mocker):
+        return mocker.patch("radiofeed.partials.render")
+
+    def test_target_matches(self, rf, mock_render):
+        request = rf.get("/", HTTP_HX_TARGET="target", HTTP_HX_REQUEST="true")
+        request.htmx = HtmxDetails(request)
+
+        render_partial_for_target(
+            request,
+            "template.html",
+            target="target",
+            partial="partial",
+        )
+        mock_render.assert_called_once_with(request, "template.html#partial", None)
+
+    def test_target_not_matches(self, rf, mock_render):
+        request = rf.get("/", HTTP_HX_TARGET="other", HTTP_HX_REQUEST="true")
+        request.htmx = HtmxDetails(request)
+
+        render_partial_for_target(
+            request,
+            "template.html",
+            target="target",
+            partial="partial",
+        )
+        mock_render.assert_called_once_with(request, "template.html", None)
+
+    def test_target_not_htmx(self, rf, mock_render):
+        request = rf.get("/")
+        request.htmx = HtmxDetails(request)
+
+        render_partial_for_target(
+            request,
+            "template.html",
+            target="target",
+            partial="partial",
+        )
+        mock_render.assert_called_once_with(request, "template.html", None)