add iden() method to storm node object (#1257)

* add iden() method to storm node object

CHANGELOG.rst

@@ -2,6 +2,15 @@
 Synapse Changelog
 *****************
 
+v0.1.10 - TBD
+===================
+
+Features and Enhancements
+-------------------------
+
+- Add ``$node.iden()`` method in Storm to expose the iden of a node. (`#1257 <https://github.com/vertexproject/synapse/pull/1257>`_)
+
+
 v0.1.9 - 2019-05-31
 ===================
 

synapse/lib/stormtypes.py

@@ -249,6 +249,7 @@ def __init__(self, node, path=None):
             'ndef': self._methNodeNdef,
             'tags': self._methNodeTags,
             'repr': self._methNodeRepr,
+            'iden': self._methNodeIden,
             'value': self._methNodeValue,
         })
 
@@ -271,6 +272,9 @@ async def _methNodeNdef(self):
     async def _methNodeRepr(self, name=None):
         return self.valu.repr(name=name)
 
+    async def _methNodeIden(self):
+        return self.valu.iden()
+
 # These will go away once we have value objects in storm runtime
 def toprim(valu, path=None):
 

synapse/tests/test_lib_stormtypes.py

@@ -154,3 +154,10 @@ async def test_storm_csv(self):
             self.eq(csv_rows[1],
                     ('csv:row', {'row': ['test:str', '9876', '3001/01/01 00:00:00.000'],
                                  'table': 'mytable'}))
+
+    async def test_storm_node_iden(self):
+        async with self.getTestCore() as core:
+            nodes = await core.nodes('[ test:int=10 test:str=$node.iden() ] +test:str')
+            iden = s_common.ehex(s_common.buid(('test:int', 10)))
+            self.eq(nodes[0].ndef, ('test:str', iden))
+            self.len(1, nodes)