fixed edges deserializer (issue #50)

Author: a-brandt

Diff for: src/main/java/com/arangodb/entity/EntityDeserializers.java

@@ -2513,13 +2513,7 @@ private static List<EdgeEntity<Object>> getEdges(
 		if (edges != null) {
 			for (int i = 0, imax = edges.size(); i < imax; i++) {
 				final JsonObject edge = edges.get(i).getAsJsonObject();
-				final EdgeEntity<Object> ve = deserializeBaseParameter(edge, new EdgeEntity<Object>());
-				deserializeDocumentParameter(edge, ve);
-				if (edgeClazz != null) {
-					ve.setEntity(context.deserialize(edge, edgeClazz));
-				} else {
-					ve.setEntity(context.deserialize(edge, Object.class));
-				}
+				final EdgeEntity<Object> ve = context.deserialize(edge, EdgeEntity.class);
 				list.add(ve);
 			}
 		}

Diff for: src/test/java/com/arangodb/ArangoDriverTraversalTest.java

@@ -34,6 +34,7 @@
 import com.arangodb.entity.BaseDocument;
 import com.arangodb.entity.BaseEntity;
 import com.arangodb.entity.EdgeDefinitionEntity;
+import com.arangodb.entity.EdgeEntity;
 import com.arangodb.entity.PathEntity;
 import com.arangodb.entity.TraversalEntity;
 import com.arangodb.entity.marker.VertexEntity;
@@ -123,6 +124,7 @@ public void test_getTraversal() throws ArangoException {
 
 		assertThat(paths.get(3).getEdges().size(), is(2));
 		assertThat(paths.get(3).getVertices().size(), is(3));
+
 	}
 
 	@Test
@@ -158,6 +160,12 @@ public void test_getTraversalWithBaseDocument() throws ArangoException {
 
 		assertThat(paths.get(3).getEdges().size(), is(2));
 		assertThat(paths.get(3).getVertices().size(), is(3));
+
+		assertThat(paths.get(1).getEdges().size(), is(1));
+		EdgeEntity<BaseDocument> edgeEntity = traversal.getPaths().get(1).getEdges().get(0);
+		assertThat(edgeEntity.getFromVertexHandle(), is("person/Alice"));
+		assertThat(edgeEntity.getToVertexHandle(), is("person/Bob"));
+
 	}
 
 	private VertexEntity<Person> createPerson(final String name) throws ArangoException {