From 3b4e53b0739804af7e8f51412bac366dd842a3f1 Mon Sep 17 00:00:00 2001
From: Peter Hawkins <phawkins@google.com>
Date: Mon, 23 Jan 2017 18:13:01 -0800
Subject: [PATCH] Add an options argument to EqualGraphDef and EqualNodeDef.
 Currently the only option is controlling whether internal attributes (whose
 names start with "_") are tested for equality. Change: 145362690

---
 tensorflow/core/graph/equal_graph_def.cc | 16 ++++++++++------
 tensorflow/core/graph/equal_graph_def.h  | 13 ++++++++++---
 2 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/tensorflow/core/graph/equal_graph_def.cc b/tensorflow/core/graph/equal_graph_def.cc
index 0c019fc5c18..21b6d55ca85 100644
--- a/tensorflow/core/graph/equal_graph_def.cc
+++ b/tensorflow/core/graph/equal_graph_def.cc
@@ -25,7 +25,7 @@ limitations under the License.
 namespace tensorflow {
 
 bool EqualGraphDef(const GraphDef& actual, const GraphDef& expected,
-                   string* diff) {
+                   string* diff, const EqualGraphDefOptions& options) {
   // Intentionally do not check that versions match so that this routine can
   // be used for less brittle golden file tests.
 
@@ -44,7 +44,9 @@ bool EqualGraphDef(const GraphDef& actual, const GraphDef& expected,
       return false;
     }
 
-    if (!EqualNodeDef(*actual_iter->second, expected_node, diff)) return false;
+    if (!EqualNodeDef(*actual_iter->second, expected_node, diff, options)) {
+      return false;
+    }
 
     actual_index.erase(actual_iter);
   }
@@ -75,8 +77,8 @@ string JoinStringField(const protobuf::RepeatedPtrField<string>& f) {
 
 }  // namespace
 
-bool EqualNodeDef(const NodeDef& actual, const NodeDef& expected,
-                  string* diff) {
+bool EqualNodeDef(const NodeDef& actual, const NodeDef& expected, string* diff,
+                  const EqualGraphDefOptions& options) {
   if (actual.name() != expected.name()) {
     if (diff != nullptr) {
       *diff = strings::StrCat("Actual node name '", actual.name(),
@@ -156,13 +158,15 @@ bool EqualNodeDef(const NodeDef& actual, const NodeDef& expected,
 
   std::unordered_set<string> actual_attr;
   for (const auto& a : actual.attr()) {
-    if (!a.first.empty() && a.first[0] == '_') {
+    if (options.ignore_internal_attrs && !a.first.empty() &&
+        a.first[0] == '_') {
       continue;
     }
     actual_attr.insert(a.first);
   }
   for (const auto& e : expected.attr()) {
-    if (!e.first.empty() && e.first[0] == '_') {
+    if (options.ignore_internal_attrs && !e.first.empty() &&
+        e.first[0] == '_') {
       continue;
     }
 
diff --git a/tensorflow/core/graph/equal_graph_def.h b/tensorflow/core/graph/equal_graph_def.h
index 8d997fdff8c..82f8bd0713b 100644
--- a/tensorflow/core/graph/equal_graph_def.h
+++ b/tensorflow/core/graph/equal_graph_def.h
@@ -22,20 +22,27 @@ limitations under the License.
 
 namespace tensorflow {
 
+struct EqualGraphDefOptions {
+  // Should internal attributes (attribute names that start with '_') be
+  // ignored?
+  bool ignore_internal_attrs = true;
+};
+
 // Determines if actual and expected are equal, ignoring versions and ordering
 // of nodes, attrs, and control inputs.  If the GraphDefs are different and
 // diff != nullptr, *diff is set to an explanation of the difference.  Note that
 // we use node names to match up nodes between the graphs, and so the naming of
 // nodes must be consistent.
 bool EqualGraphDef(const GraphDef& actual, const GraphDef& expected,
-                   string* diff);
+                   string* diff, const EqualGraphDefOptions& options = {});
 
 // Determines if actual and expected are equal, ignoring: ordering of
-// attrs, internal attributes, and control inputs.
+// attrs, internal attributes (if set in `options`), and control inputs.
 //
 // If the NodeDefs are different and
 // diff != nullptr, *diff is set to an explanation of the difference.
-bool EqualNodeDef(const NodeDef& actual, const NodeDef& expected, string* diff);
+bool EqualNodeDef(const NodeDef& actual, const NodeDef& expected, string* diff,
+                  const EqualGraphDefOptions& options = {});
 
 #define TF_EXPECT_GRAPH_EQ(expected, actual)                  \
   do {                                                        \