Added graph property test

Author: GlassOfWhiskey

testdata/formattest2.cwl

@@ -0,0 +1,26 @@
+$namespaces:
+  edam: http://edamontology.org/
+$schemas:
+  - EDAM.owl
+class: CommandLineTool
+cwlVersion: v1.2
+doc: "Reverse each line using the `rev` command"
+hints:
+  DockerRequirement:
+    dockerPull: docker.io/debian:stable-slim
+
+inputs:
+  input:
+    type: File
+    inputBinding: {}
+    format: edam:format_2330
+
+outputs:
+  output:
+    type: File
+    outputBinding:
+      glob: output.txt
+    format: $(inputs.input.format)
+
+baseCommand: rev
+stdout: output.txt

tests/test_format.py

@@ -7,11 +7,13 @@
 import requests
 from pytest import raises
 from rdflib import Graph
+from rdflib.compare import to_isomorphic
 from rdflib.plugins.parsers.notation3 import BadSyntax
 from schema_salad.exceptions import ValidationException
 from schema_salad.fetcher import DefaultFetcher
 
 from cwl_utils.file_formats import check_format
+from cwl_utils.parser import load_document_by_uri
 from cwl_utils.types import CWLObjectType
 
 
@@ -129,3 +131,10 @@ def test_check_format_no_ontology() -> None:
         input_formats="http://edamontology.org/format_2330",
         ontology=Graph(),
     )
+
+
+def test_loading_options_graph_property() -> None:
+    """Test that RDFLib Graph representations of $schema properties are correctly loaded."""
+    uri = Path(HERE / "../testdata/formattest2.cwl").resolve().as_uri()
+    cwl_obj = load_document_by_uri(uri)
+    assert to_isomorphic(cwl_obj.loadingOptions.graph) == to_isomorphic(EDAM)