test: logical source on a triples map can be omitted if all its term maps are constant

test-cases/RMLTC-CC-0011-Const/README.md

@@ -0,0 +1,37 @@
+## RMLTC-CC-0011-Const
+
+**Title**: Constant mapping can omit logical source
+
+**Description**: Test a Triples Map with only constant expression in a gather map can omit logical source
+
+**Error expected?** No
+
+**Input**
+ [http://w3id.org/rml/resources/rml-io/RMLTC-CC-0011-Const/Friends.json](http://w3id.org/rml/resources/rml-io/RMLTC-CC-0011-Const/Friends.json)
+
+**Mapping**
+```
+@prefix rml: <http://w3id.org/rml/>.
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
+
+<http://example.com/base/TriplesMap1> a rml:TriplesMap;
+  rml:subjectMap [ rml:constant <http://example.com/Gaston> ];
+  rml:predicateObjectMap [
+    rml:predicate rdfs:label;
+    rml:objectMap [
+      rml:gather ( [ rml:constant "Gaston Lagaffe" ] );
+      rml:gatherAs rdf:Alt;
+    ];
+  ].
+
+
+```
+
+**Output**
+```
+<http://example.com/Gaston> <http://www.w3.org/2000/01/rdf-schema#label> _:b0 .
+_:b0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/1999/02/22-rdf-syntax-ns#Alt> .
+_:b0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#_1> "Gaston Lagaffe" .
+```
+

test-cases/RMLTC-CC-0011-Const/default.nq

@@ -0,0 +1,3 @@
+<http://example.com/Gaston> <http://www.w3.org/2000/01/rdf-schema#label> _:b0 .
+_:b0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/1999/02/22-rdf-syntax-ns#Alt> .
+_:b0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#_1> "Gaston Lagaffe" .

test-cases/RMLTC-CC-0011-Const/mapping.ttl

@@ -0,0 +1,14 @@
+@prefix rml: <http://w3id.org/rml/>.
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
+
+<http://example.com/base/TriplesMap1> a rml:TriplesMap;
+  rml:subjectMap [ rml:constant <http://example.com/Gaston> ];
+  rml:predicateObjectMap [
+    rml:predicate rdfs:label;
+    rml:objectMap [
+      rml:gather ( [ rml:constant "Gaston Lagaffe" ] );
+      rml:gatherAs rdf:Alt;
+    ];
+  ].
+

test-cases/RMLTC-CC-0012-NonConst/README.md

@@ -0,0 +1,30 @@
+## RMLTC-CC-0012-NonConst
+
+**Title**: Non constant mapping, while ommiting logical source
+
+**Description**: Test a Triples Map with only reference expression in a gather map cannot omit logical source
+
+**Error expected?** Yes
+
+**Input**
+ [http://w3id.org/rml/resources/rml-io/RMLTC-CC-0012-NonConst/Friends.json](http://w3id.org/rml/resources/rml-io/RMLTC-CC-0012-NonConst/Friends.json)
+
+**Mapping**
+```
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
+@prefix rml: <http://w3id.org/rml/>.
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
+
+<http://example.com/base/TriplesMap1> a rml:TriplesMap;
+  rml:subjectMap [ rml:constant <http://example.com/Gaston> ];
+  rml:predicateObjectMap [
+    rml:predicate rdfs:label;
+    rml:objectMap [
+      rml:gather ( [ rml:reference "{name}" ] );
+      rml:gatherAs rdf:Alt;
+    ];
+  ].
+
+
+```
+

test-cases/RMLTC-CC-0012-NonConst/mapping.ttl

@@ -0,0 +1,14 @@
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
+@prefix rml: <http://w3id.org/rml/>.
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
+
+<http://example.com/base/TriplesMap1> a rml:TriplesMap;
+  rml:subjectMap [ rml:constant <http://example.com/Gaston> ];
+  rml:predicateObjectMap [
+    rml:predicate rdfs:label;
+    rml:objectMap [
+      rml:gather ( [ rml:reference "{name}" ] );
+      rml:gatherAs rdf:Alt;
+    ];
+  ].
+

test-cases/descriptions.csv

@@ -33,4 +33,6 @@ RMLTC-CC-0008-ROMb,Elements via reference object-map with default join condition
 RMLTC-CC-0009-DUP-Bag,Gather duplicate values in an RDF Bag,Testing the expected behavior of multi-valued expression maps containing duplicate values when these expression maps are used in a gather map to create an RDF Bag.,,JSON,JSON,no,data.json,,,
 RMLTC-CC-0009-DUP-List,Gather duplicate values in an RDF List,Testing the expected behavior of multi-valued expression maps containing duplicate values when these expression maps are used in a gather map to create a list.,,JSON,JSON,no,data.json,,,
 RMLTC-CC-0010-Lista,Combining graph maps and gather maps (graph map has a template and gather map does not),"Tests the behavior of combining graph- and gather maps. In this example, a blank node for each list is expected.",,JSON,JSON,no,data.json,,,
-RMLTC-CC-0010-Listb,Combining graph maps and gather maps (both graph map and gather map have a template),"Tests the behavior of combining graph- and gather maps. In this example, lists are concatinated in some named graphs via blank node identifiers constructed with templates.",,JSON,JSON,no,data.json,,,
+RMLTC-CC-0010-Listb,Combining graph maps and gather maps (both graph map and gather map have a template),"Tests the behavior of combining graph- and gather maps. In this example, lists are concatinated in some named graphs via blank node identifiers constructed with templates.",,JSON,JSON,no,data.json,,,
+RMLTC-CC-0011-Const,Constant mapping can omit logical source,Test a Triples Map with only constant expression in a gather map can omit logical source,,,,no,,,,
+RMLTC-CC-0012-NonConst,"Non constant mapping, while ommiting logical source",Test a Triples Map with only reference expression in a gather map cannot omit logical source,,,,yes,,,,

test-cases/make-metadata.py

@@ -88,7 +88,7 @@ def main(spec: str):
                 output1 = 'default.nq'
                 output_format1 = 'application/n-quads'
             else:
-                raise NotImplementedError('output1 is not known, but required')
+                error = "true"
 
             if os.path.exists(os.path.join(testcase, 'dump1.nq')):
                 output2 = 'dump1.nq'