added fact view tests

* Add related link from host to fact_versions
* Add related link from fact_versions to fact_view

awx/api/serializers.py

@@ -36,7 +36,7 @@ from polymorphic import PolymorphicModel
 # AWX
 from awx.main.constants import SCHEDULEABLE_PROVIDERS
 from awx.main.models import * # noqa
-from awx.main.utils import get_type_for_model, get_model_for_type
+from awx.main.utils import get_type_for_model, get_model_for_type, build_url, timestamp_apiformat
 from awx.main.redact import REPLACE_STR
 
 from awx.fact.models import * # noqa
@@ -2017,10 +2017,23 @@ class AuthTokenSerializer(serializers.Serializer):
 
 
 class FactVersionSerializer(MongoEngineModelSerializer):
+    related = serializers.SerializerMethodField('get_related')
 
     class Meta:
         model = FactVersion
-        fields = ('module', 'timestamp',)
+        fields = ('related', 'module', 'timestamp',)
+
+    def get_related(self, obj):
+        host_obj = self.context.get('host_obj')
+        res = {}
+        params = {
+            'datetime': timestamp_apiformat(obj.timestamp),
+            'module': obj.module,
+        }
+        res.update(dict(
+            fact_view = build_url('api:host_fact_compare_view', args=(host_obj.pk,), get=params),
+        ))
+        return res
 
 class FactSerializer(MongoEngineModelSerializer):
 

awx/api/views.py

@@ -1037,12 +1037,17 @@ class HostFactVersionsList(MongoListAPIView):
         if from_spec is not None:
             from_actual = dateutil.parser.parse(from_spec)
             kv['timestamp__gt'] = from_actual
-        if from_spec is not None and to_spec is not None:
+        if to_spec is not None:
             to_actual = dateutil.parser.parse(to_spec)
             kv['timestamp__lte'] = to_actual
 
         return FactVersion.objects.filter(**kv).order_by("-timestamp")
 
+    def list(self, *args, **kwargs):
+        queryset = self.get_queryset() or []
+        serializer = FactVersionSerializer(queryset, many=True, context=dict(host_obj=self.get_parent_object()))
+        return Response(dict(results=serializer.data))
+
 class HostSingleFactView(MongoAPIView):
 
     model = Fact
@@ -1062,7 +1067,7 @@ class HostSingleFactView(MongoAPIView):
         datetime_actual = dateutil.parser.parse(datetime_spec) if datetime_spec is not None else now()
         host_obj = self.get_parent_object()
         fact_data = Fact.get_single_facts([host_obj.name], fact_key, fact_value, datetime_actual, module_spec)
-        return Response(FactSerializer(fact_data).data if fact_data is not None else {})
+        return Response(FactSerializer(fact_data, context=dict(host_obj=host_obj)).data if fact_data is not None else {})
 
 class HostFactCompareView(MongoAPIView):
 
@@ -1082,7 +1087,6 @@ class HostFactCompareView(MongoAPIView):
 
         return Response(host_data)
 
-
 class GroupList(ListCreateAPIView):
 
     model = Group