adding test: give warning instead of error when default path is not present cwltool Issue #2

tests/test_default_path.py

@@ -0,0 +1,15 @@
+import unittest
+from cwltool.load_tool import fetch_document, validate_document
+from .util import get_data
+from schema_salad.ref_resolver import Loader
+
+class TestDefaultPath(unittest.TestCase):
+    # Testing that error is not raised when default path is not present
+    def test_default_path(self):
+        document_loader, workflowobj, uri = fetch_document(
+            get_data("tests/wf/default_path.cwl"))
+        document_loader, avsc_names, processobj, metadata, uri = validate_document(
+            document_loader, workflowobj, uri)
+
+        self.assertIsInstance(document_loader,Loader)
+        self.assertIn("cwlVersion",processobj)

tests/wf/default_path.cwl

@@ -0,0 +1,11 @@
+cwlVersion: v1.0
+class: CommandLineTool
+inputs:
+  - id: "file1"
+    type: File
+    default:
+      class: File
+      path: default.txt
+outputs: []
+arguments: [cat, $(inputs.file1.path)]
+