Merge pull request #252 from kg-construct/issue251

fixes issue #251

Author: dachafra

test-cases/RMLTC0012e-JSON/mapping.ttl

@@ -0,0 +1,29 @@
+@prefix rml: <http://w3id.org/rml/> .
+@prefix : <http://example.org/> .
+
+:jsonSource a rml:LogicalSource ;
+  rml:source [
+    a rml:RelativePathSource , rml:Source ;
+    rml:root rml:MappingDirectory ;
+    rml:path "people.json" ;
+  ] ;
+  rml:referenceFormulation rml:JSONPath ;
+  rml:iterator "$[*]" .
+
+:triplesMapPerson a rml:TriplesMap ;
+  rml:logicalSource :jsonSource ;
+  rml:subjectMap [
+    rml:termType  rml:BlankNode ;
+  ] ;
+  rml:predicateObjectMap [
+    rml:predicate :firstName ;
+    rml:objectMap [
+      rml:reference "firstName" ;
+    ] ;
+  ];   
+rml:predicateObjectMap [
+    rml:predicate :lastName ;
+    rml:objectMap [
+      rml:reference "lastName" ;
+   ] ;
+ ] . 

test-cases/RMLTC0012e-JSON/output.nq

@@ -0,0 +1,4 @@
+_:Blank1 <http://example.org/firstName> "Alice" .
+_:Blank1 <http://example.org/lastName> "Smith" .
+_:Blank2 <http://example.org/firstName> "Bob" .
+_:Blank2 <http://example.org/lastName> "Jones" .

test-cases/RMLTC0012e-JSON/people.json

@@ -0,0 +1,4 @@
+[
+{"firstName": "Alice", "lastName": "Smith"},
+{"firstName": "Bob", "lastName":"Jones" }
+]

test-cases/descriptions.csv

@@ -32,6 +32,7 @@ RMLTC0012a-JSON,Blank node referencing multiple columns,Tests that blank nodes c
 RMLTC0012b-JSON,Duplicate tuples generate same blank node,Tests that blank nodes with same identifier and in the same graph but generated by different logical rows are considered equivalent.
 RMLTC0012c-JSON,TriplesMap without subjectMap,"Tests a RML with missing information, TriplesMap without subjectMap."
 RMLTC0012d-JSON,TriplesMap with two subjectMap,"Tests a RML with wrong information, TriplesMap with two subjectMap."
+RMLTC0012e-JSON,Blank node as subject,"Test a subjectMap with termType BlankNode without expressionMap"
 RMLTC0013a-JSON,Null value in JSON file,Tests if null values in JSON files are handled correctly.
 RMLTC0015a-JSON,Generation of language tags from a table with language information,Generation of language tags from a table with language information
 RMLTC0015b-JSON,"Generation of language tags from a table with language information, and a term map with invalid rml:language value","Tests a term map with an invalid rml:language value, which is an error"