added return test case 0010

kg-construct · Mar 26, 2024 · 1f54270 · 1f54270
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diff --git a/test-cases/README.md b/test-cases/README.md
@@ -50,4 +50,5 @@ Some test cases are under discussion, proposed alternatives are noted via a suff
 | 0006   | Function on object, the output termType is IRI                  | Tests if the output of the function is assigned the correct termType                                                          |             |                 |                   |
 | 0006b  | Function on object, the output termType is IRI (replaces 0006)  | Tests if the output of the function is assigned the correct termType                                                          |             |                 |                   |
 | 0008   | Function on object, 1 template parameter                        | Tests if a function with a template parameter can be used                                                                     | CSV         |      FALSE      | student.csv       |
-| 0009   | Nested function - Test A                                        | Tests if a composite function of form f(g(x1),x2) works (i.e., the inner function is only one argument of the outer function) | CSV         |      FALSE      | student.csv       |
+| 0009   | Nested function - Test A                                        | Tests if a composite function of form f(g(x1),x2) works (i.e., the inner function is only one argument of the outer function) | CSV         |      FALSE      | student.csv       |
+| 0010   | Function on object, specified return output                     | Tests if a specific return output can be used                                                                     | CSV         |       TRUE      | student.csv       |
diff --git a/test-cases/RMLFNOTC0010-CSV/mapping.ttl b/test-cases/RMLFNOTC0010-CSV/mapping.ttl
@@ -0,0 +1,41 @@
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix ex: <http://example.com/> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix rml: <http://w3id.org/rml/> .
+@prefix fno: <https://w3id.org/function/ontology#> .
+@prefix morph-kgc: <https://github.com/morph-kgc/morph-kgc/function/built-in.ttl#> .
+@prefix grel: <http://users.ugent.be/~bjdmeest/function/grel.ttl#> .
+@prefix idlab-fn: <http://example.com/idlab/function/> .
+
+@base <http://example.com/base/> .
+
+<TriplesMap1>
+    rml:logicalSource [
+        rml:source [ a rml:RelativePathSource;
+          rml:root rml:MappingDirectory;
+          rml:path "student.csv"
+        ];
+        rml:referenceFormulation rml:CSV
+    ];
+    rml:subjectMap [
+        rml:template "http://example.com/{Name}"
+    ];
+    rml:predicateObjectMap [
+        rml:predicate foaf:name;
+        rml:objectMap [
+            rml:functionExecution <#Execution> ;
+            rml:returnMap [
+                rr:constant fns:domainOutput
+            ]
+        ]
+    ] .
+
+<#Execution>
+    rml:function fns:parseURL ;
+    rml:input
+        [
+            rml:parameter fns:stringParameter ;
+            rml:inputValueMap [
+                rml:reference "url" ;
+            ]
+        ] .
diff --git a/test-cases/RMLFNOTC0010-CSV/output.nq b/test-cases/RMLFNOTC0010-CSV/output.nq
@@ -0,0 +1 @@
+<http://example.com/Venus> <http://xmlns.com/foaf/0.1/name> "example.com" .
diff --git a/test-cases/RMLFNOTC0010-CSV/student.csv b/test-cases/RMLFNOTC0010-CSV/student.csv
@@ -0,0 +1,2 @@
+Id,Name,Comment,Class,url
+1,Venus,A&B,A,http://example.com/venus
diff --git a/test-cases/functions.ttl b/test-cases/functions.ttl
@@ -79,3 +79,24 @@ fns:stringParameter
     rdfs:label    "input string" ;
     fno:predicate fns:hasStringParameter ;
     fno:type      xsd:string .
+
+fns:parseURL
+   a                   fno:Function ;
+   fno:name            "parse URL" ;
+   dcterms:description "The parse URL function returns the protocol, domain, and path as strings of a URL of the form '{protocolOutput}://{domainOutput}/{stringOutput}'" ;
+   fno:expects         ( fns:stringParameter ) ;
+   fno:returns         ( fns:protocolOutput fns:domainOutput fns:stringOutput ) .
+
+fns:protocolOutput
+    a             fno:Output ;
+    fno:name      "protocol output string" ;
+    rdfs:label    "protocol output string" ;
+    fno:predicate fns:hasProtocolOutput ;
+    fno:type      xsd:string .
+
+fns:domainOutput
+    a             fno:Output ;
+    fno:name      "domain output string" ;
+    rdfs:label    "domain output string" ;
+    fno:predicate fns:hasDomainOutput ;
+    fno:type      xsd:string .