tests: Test serialization of resource issued and modified

Author: bellisk

ckanext/dcatapchharvest/tests/fixtures/dataset.json

@@ -123,7 +123,9 @@
       ],
       "rights": "Creative Commons Zero 1.0 Universell (CC0 1.0)",
       "license": "NonCommercialAllowed-CommercialAllowed-ReferenceNotRequired",
-      "format": "CSV"
+      "format": "CSV",
+      "issued": "2015-06-26T15:21:09.034694",
+      "modified": "2015-06-30T15:21:09.000000"
     },
     {
       "id": "28e75e40-e1a1-497b-a1b9-8c1834d60201",

ckanext/dcatapchharvest/tests/test_dcatap_ch_serialize.py

@@ -161,6 +161,11 @@ def test_graph_from_dataset(self):
                 expected_literal = Literal("P1D", datatype=XSD.duration)
                 assert self._triple(g, distribution, DCAT.temporalResolution, expected_literal)
 
+            if resource_dict.get('issued'):
+                assert self._triple(g, distribution, DCT.issued, resource_dict["issued"], XSD.dateTime)
+
+            if resource_dict.get('modified'):
+                assert self._triple(g, distribution, DCT.modified, resource_dict["modified"], XSD.dateTime)
 
     def test_graph_from_dataset_uri(self):
         """Tests that datasets (resources) with a uri from the test system