Fix GetValueAt method and update DTL transformation to handle integer properties

Author: grongierisc

src/iop/cls/IOP/Message.cls

@@ -56,7 +56,6 @@ Method GetValueAt(
         Set matches = parser.find(tJSON)
 
         Set tResult = ""
-        zw
         // Return the first match
         if matches."__len__"() = 1 {
             Set match = matches."__getitem__"(0)

src/tests/cls/SimpleMessageSetVDoc.cls

@@ -13,6 +13,7 @@ XData DTL [ XMLNamespace = "http://www.intersystems.com/dtl" ]
 {
 <transform sourceClass='IOP.Message' targetClass='IOP.Message' sourceDocType='registerFilesIop.message.SimpleMessage' targetDocType='registerFilesIop.message.SimpleMessage' create='new' language='objectscript' >
 <assign value='source.{string}' property='target.{string}' action='set' />
+<assign value='source.{integer}' property='target.{integer}' action='set' />
 </transform>
 }
 

src/tests/test_iop_dtl.py

@@ -97,5 +97,5 @@ def test_set_transform_vdoc(load_cls_files, iop_message):
     _Utils.raise_on_error(iris.cls('UnitTest.SimpleMessageSetVDoc').Transform(iop_message, ref))
     result = ref.value
 
-    assert json.loads(result.json) == json.loads('{"string":"Foo"}')
+    assert json.loads(result.json) == json.loads('{"string":"Foo", "integer":42}')
     assert result.classname == 'registerFilesIop.message.SimpleMessage'