Added rendering tests using default drf serializers

Author: Alig1493

example/tests/unit/test_default_drf_serializers.py

@@ -0,0 +1,75 @@
+import json
+
+from rest_framework.serializers import ModelSerializer, SerializerMethodField
+from rest_framework import viewsets
+
+from rest_framework_json_api.renderers import JSONRenderer
+
+from example.models import Comment, Entry
+
+
+# serializers
+class RelatedModelSerializer(ModelSerializer):
+    class Meta:
+        model = Comment
+        fields = ('id',)
+
+
+class DummyTestSerializer(ModelSerializer):
+    """
+    This serializer is a simple compound document serializer which includes only
+    a single embedded relation
+    """
+    related_models = RelatedModelSerializer(source='comments', many=True, read_only=True)
+
+    json_field = SerializerMethodField()
+
+    def get_json_field(self, entry):
+        return {'JsonKey': 'JsonValue'}
+
+    class Meta:
+        model = Entry
+        fields = ('related_models', 'json_field')
+
+
+# views
+class DummyTestViewSet(viewsets.ModelViewSet):
+    queryset = Entry.objects.all()
+    serializer_class = DummyTestSerializer
+
+
+def render_dummy_test_serialized_view(view_class):
+    serializer = DummyTestSerializer(instance=Entry())
+    renderer = JSONRenderer()
+    return renderer.render(
+        serializer.data,
+        renderer_context={'view': view_class()})
+
+
+def test_simple_reverse_relation_included_renderer():
+    """
+    Test renderer when a single reverse fk relation is passed.
+    """
+    rendered = render_dummy_test_serialized_view(
+        DummyTestViewSet)
+
+    assert rendered
+
+
+def test_render_format_field_names(settings):
+    """Test that json field is kept untouched."""
+    settings.JSON_API_FORMAT_FIELD_NAMES = 'dasherize'
+    rendered = render_dummy_test_serialized_view(DummyTestViewSet)
+
+    result = json.loads(rendered.decode())
+    assert result['data']['attributes']['json-field'] == {'JsonKey': 'JsonValue'}
+
+
+def test_render_format_keys(settings):
+    """Test that json field value keys are formated."""
+    delattr(settings, 'JSON_API_FORMAT_FILED_NAMES')
+    settings.JSON_API_FORMAT_KEYS = 'dasherize'
+    rendered = render_dummy_test_serialized_view(DummyTestViewSet)
+
+    result = json.loads(rendered.decode())
+    assert result['data']['attributes']['json-field'] == {'json-key': 'JsonValue'}