Graph.all to retrieve all nodes

1 files changed, 13 insertions, 0 deletions

diff --git a/test/graph/test_graph.py b/test/graph/test_graph.py
index f97783b..5db1fd2 100644
--- a/test/graph/test_graph.py
+++ b/test/graph/test_graph.py
@@ -95,6 +95,19 @@ class TestGraph(unittest.TestCase):
         # node_type must be in the schema
         self.assertRaises(KeyError, graph.nodes, ns.bsfs.Invalid, guids)
 
+    def test_all(self):
+        graph = Graph(self.backend, self.user)
+        # resulting nodes can be empty
+        self.assertEqual(graph.all(ns.bsfs.Entity),
+            Nodes(self.backend, self.user, graph.schema.node(ns.bsfs.Entity), set()))
+        # resulting nodes contains all nodes of the respective type
+        guids = {URI('http://example.com/me/entity#1234'), URI('http://example.com/me/entity#4321')}
+        self.backend.create(graph.schema.node(ns.bsfs.Entity), guids)
+        self.assertEqual(graph.all(ns.bsfs.Entity),
+            Nodes(self.backend, self.user, graph.schema.node(ns.bsfs.Entity), guids))
+        # node_type must be in the schema
+        self.assertRaises(KeyError, graph.all, ns.bsfs.Invalid)
+
     def test_migrate(self):
         # setup
         graph = Graph(self.backend, self.user)