Adds class for SubworkflowFeatureRequirement

Author: dleehr

cwlgen/__init__.py

@@ -377,6 +377,15 @@ def _to_dict(self):
         return {p: v for p, v in vars(self).items() if p.startswith('docker') and v is not None}
 
 
+class SubworkflowFeatureRequirement(Requirement):
+
+    def __init__(self):
+        Requirement.__init__(self, 'SubworkflowFeatureRequirement')
+
+    def _to_dict(self):
+        return dict()
+
+
 class Namespaces(object):
     """
     Define different namespace for the description.

test/test_unit_cwlgen.py

@@ -215,6 +215,17 @@ def test_export(self):
                          dockerImageId='id', dockerOutputDir='dir')
 
 
+class TestSubworkflowFeatureRequirement(unittest.TestCase):
+
+    def setUp(self):
+        self.req = cwlgen.SubworkflowFeatureRequirement()
+
+    def test_add(self):
+        tool = {}
+        self.req.add(tool)
+        self.assertEqual(tool, {'SubworkflowFeatureRequirement': {}})
+
+
 ###########  Main  ###########
 
 if __name__ == "__main__":