Function TEST

tensorflow/core/grappler/utils/graph_view_internal_test.cc:55–77

using MutableNodeViewDiff = NodeViewDiff<MutableGraphView>;

TEST(MutableNodeViewDiffTest, UpdateName) {
  GraphDef graph = SimpleTestGraphForMutation();

  Status s;
  MutableGraphView graph_view(&graph, &s);
  TF_ASSERT_OK(s);
  auto updated_node_names = GetUpdatedNodeNames(&graph_view);

  MutableNodeView* d_node = graph_view.GetNode("d");
  ASSERT_NE(d_node, nullptr);

  MutableNodeViewDiff diff(&graph_view, d_node->node_index());
  EXPECT_TRUE(IsEmpty(&diff));
  EXPECT_TRUE(IsWellFormed(&diff, updated_node_names));

  UpdateName(&diff, "e");
  EXPECT_FALSE(IsEmpty(&diff));
  EXPECT_TRUE(IsWellFormed(&diff, updated_node_names));

  UpdateName(&diff, "d");
  EXPECT_TRUE(IsEmpty(&diff));
  EXPECT_TRUE(IsWellFormed(&diff, updated_node_names));
}

TEST(MutableNodeViewDiffTest, UpdateOp) {
  GraphDef graph = SimpleTestGraphForMutation();