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/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/
#include "tensorflow/core/framework/graph_def_util.h"
#include "tensorflow/core/framework/function.h"
#include "tensorflow/core/framework/graph.pb.h"
#include "tensorflow/core/framework/node_def_builder.h"
#include "tensorflow/core/framework/op.h"
#include "tensorflow/core/framework/op_def.pb.h"
#include "tensorflow/core/framework/op_def_builder.h"
#include "tensorflow/core/lib/core/status_test_util.h"
#include "tensorflow/core/platform/test.h"
#include "tensorflow/core/util/equal_graph_def.h"
namespace tensorflow {
namespace {
Status FinalizeOpDef(const OpDefBuilder& b, OpDef* op_def) {
OpRegistrationData op_reg_data;
const Status s = b.Finalize(&op_reg_data);
*op_def = op_reg_data.op_def;
return s;
}
// Producer and consumer have default for an attr -> graph unchanged.
TEST(RemoveNewDefaultAttrsFromGraphDefTest, NoChangeWithDefault) {
OpList op_list;
TF_ASSERT_OK(
FinalizeOpDef(OpDefBuilder("NoChangeWithDefault").Attr("a: int = 12"),
op_list.add_op()));
OpListOpRegistry registry(&op_list);
GraphDef graph_def;
TF_ASSERT_OK(NodeDefBuilder("ncwd", "NoChangeWithDefault", ®istry)
.Finalize(graph_def.add_node()));
GraphDef expected_graph_def = graph_def;
std::set<std::pair<string, string>> op_attr_removed;
TF_ASSERT_OK(RemoveNewDefaultAttrsFromGraphDef(&graph_def, registry, registry,
&op_attr_removed));
TF_EXPECT_GRAPH_EQ(expected_graph_def, graph_def);
EXPECT_TRUE(op_attr_removed.empty());
}
// Producer and consumer both have an attr -> graph unchanged.
TEST(RemoveNewDefaultAttrsFromGraphDefTest, NoChangeNoDefault) {
OpList op_list;
TF_ASSERT_OK(FinalizeOpDef(OpDefBuilder("NoChangeNoDefault").Attr("a: int"),
op_list.add_op()));
OpListOpRegistry registry(&op_list);
GraphDef graph_def;
TF_ASSERT_OK(NodeDefBuilder("ncnd", "NoChangeNoDefault", ®istry)
.Attr("a", 42)
.Finalize(graph_def.add_node()));
GraphDef expected_graph_def = graph_def;
std::set<std::pair<string, string>> op_attr_removed;
TF_ASSERT_OK(RemoveNewDefaultAttrsFromGraphDef(&graph_def, registry, registry,
&op_attr_removed));
TF_EXPECT_GRAPH_EQ(expected_graph_def, graph_def);
EXPECT_TRUE(op_attr_removed.empty());
}
// Producer has default for an attr that the consumer does not know
// about, and the produced graph has the default value for the attr ->
// attr removed from graph (and so able to be consumed).
TEST(RemoveNewDefaultAttrsFromGraphDefTest, UsesDefault) {
OpList consumer_op_list;
TF_ASSERT_OK(
FinalizeOpDef(OpDefBuilder("UsesDefault"), consumer_op_list.add_op()));
OpListOpRegistry consumer_registry(&consumer_op_list);
OpList producer_op_list;
TF_ASSERT_OK(FinalizeOpDef(OpDefBuilder("UsesDefault").Attr("a: int = 17"),
producer_op_list.add_op()));
OpListOpRegistry producer_registry(&producer_op_list);
GraphDef produced_graph_def;
TF_ASSERT_OK(NodeDefBuilder("uses_default", "UsesDefault", &producer_registry)
.Finalize(produced_graph_def.add_node()));
std::set<std::pair<string, string>> op_attr_removed;
TF_ASSERT_OK(
RemoveNewDefaultAttrsFromGraphDef(&produced_graph_def, consumer_registry,
producer_registry, &op_attr_removed));
GraphDef expected_graph_def;
TF_ASSERT_OK(NodeDefBuilder("uses_default", "UsesDefault", &consumer_registry)
.Finalize(expected_graph_def.add_node()));
TF_EXPECT_GRAPH_EQ(expected_graph_def, produced_graph_def);
std::set<std::pair<string, string>> expected_removed({{"UsesDefault", "a"}});
EXPECT_EQ(expected_removed, op_attr_removed);
}
// Producer has default for an attr that the consumer does not know
// about, graph sets the attr to a value different from the default ->
// graph unchanged (but not able to be consumed by consumer).
TEST(RemoveNewDefaultAttrsFromGraphDefTest, ChangedFromDefault) {
OpList consumer_op_list;
TF_ASSERT_OK(FinalizeOpDef(OpDefBuilder("ChangedFromDefault"),
consumer_op_list.add_op()));
OpListOpRegistry consumer_registry(&consumer_op_list);
OpList producer_op_list;
TF_ASSERT_OK(
FinalizeOpDef(OpDefBuilder("ChangedFromDefault").Attr("a: int = 17"),
producer_op_list.add_op()));
OpListOpRegistry producer_registry(&producer_op_list);
GraphDef produced_graph_def;
TF_ASSERT_OK(NodeDefBuilder("changed_from_default", "ChangedFromDefault",
&producer_registry)
.Attr("a", 9)
.Finalize(produced_graph_def.add_node()));
GraphDef expected_graph_def = produced_graph_def;
std::set<std::pair<string, string>> op_attr_removed;
TF_ASSERT_OK(
RemoveNewDefaultAttrsFromGraphDef(&produced_graph_def, consumer_registry,
producer_registry, &op_attr_removed));
TF_EXPECT_GRAPH_EQ(expected_graph_def, produced_graph_def);
EXPECT_TRUE(op_attr_removed.empty());
}
// Attrs starting with underscores should not be removed.
TEST(RemoveNewDefaultAttrsFromGraphDefTest, UnderscoreAttrs) {
OpList consumer_op_list;
TF_ASSERT_OK(
FinalizeOpDef(OpDefBuilder("Underscore"), consumer_op_list.add_op()));
OpListOpRegistry consumer_registry(&consumer_op_list);
OpList producer_op_list;
TF_ASSERT_OK(
FinalizeOpDef(OpDefBuilder("Underscore"), producer_op_list.add_op()));
// Add the _underscore attr manually since OpDefBuilder would complain
OpDef::AttrDef* attr = producer_op_list.mutable_op(0)->add_attr();
attr->set_name("_underscore");
attr->set_type("int");
attr->mutable_default_value()->set_i(17);
OpListOpRegistry producer_registry(&producer_op_list);
GraphDef produced_graph_def;
TF_ASSERT_OK(NodeDefBuilder("node", "Underscore", &producer_registry)
.Attr("_underscore", 17)
.Finalize(produced_graph_def.add_node()));
GraphDef expected_graph_def = produced_graph_def;
std::set<std::pair<string, string>> op_attr_removed;
TF_ASSERT_OK(
RemoveNewDefaultAttrsFromGraphDef(&produced_graph_def, consumer_registry,
producer_registry, &op_attr_removed));
TF_EXPECT_GRAPH_EQ(expected_graph_def, produced_graph_def);
EXPECT_EQ(op_attr_removed.size(), 0);
}
TEST(RemoveNewDefaultAttrsFromGraphDefTest, HasFunction) {
OpList consumer_op_list;
TF_ASSERT_OK(
FinalizeOpDef(OpDefBuilder("UsesDefault"), consumer_op_list.add_op()));
TF_ASSERT_OK(FinalizeOpDef(OpDefBuilder("ChangedFromDefault"),
consumer_op_list.add_op()));
OpListOpRegistry consumer_registry(&consumer_op_list);
OpList producer_op_list;
TF_ASSERT_OK(FinalizeOpDef(OpDefBuilder("UsesDefault").Attr("a: int = 17"),
producer_op_list.add_op()));
TF_ASSERT_OK(
FinalizeOpDef(OpDefBuilder("ChangedFromDefault").Attr("a: int = 17"),
producer_op_list.add_op()));
OpListOpRegistry producer_registry(&producer_op_list);
GraphDef produced_graph_def;
*produced_graph_def.mutable_library()->add_function() =
FunctionDefHelper::Create(
"my_func", {}, {}, {},
{{{"x"}, "UsesDefault", {}, {{"a", 17}}},
{{"y"}, "ChangedFromDefault", {}, {{"a", 99}}}},
{});
OpList function_op_list;
*function_op_list.add_op() =
produced_graph_def.library().function(0).signature();
OpListOpRegistry function_registry(&function_op_list);
TF_ASSERT_OK(NodeDefBuilder("call_func", "my_func", &function_registry)
.Finalize(produced_graph_def.add_node()));
std::set<std::pair<string, string>> op_attr_removed;
TF_ASSERT_OK(
RemoveNewDefaultAttrsFromGraphDef(&produced_graph_def, consumer_registry,
producer_registry, &op_attr_removed));
GraphDef expected_graph_def;
*expected_graph_def.mutable_library()->add_function() =
FunctionDefHelper::Create(
"my_func", {}, {}, {},
{{{"x"}, "UsesDefault", {}, {}},
{{"y"}, "ChangedFromDefault", {}, {{"a", 99}}}},
{});
TF_ASSERT_OK(NodeDefBuilder("call_func", "my_func", &function_registry)
.Finalize(expected_graph_def.add_node()));
TF_EXPECT_GRAPH_EQ(expected_graph_def, produced_graph_def);
EXPECT_EQ(expected_graph_def.library().DebugString(),
produced_graph_def.library().DebugString());
std::set<std::pair<string, string>> expected_removed({{"UsesDefault", "a"}});
EXPECT_EQ(expected_removed, op_attr_removed);
}
TEST(StrippedOpListForGraphTest, FlatTest) {
// Make four ops
OpList op_list;
for (const string& op : {"A", "B", "C", "D"}) {
OpDef* op_def = op_list.add_op();
op_def->set_name(op);
op_def->set_summary("summary");
op_def->set_description("description");
op_def->set_is_commutative(op == "B");
}
// Make a graph which uses two ops once and twice, respectively.
// The result should be independent of the ordering.
const string graph_ops[4][3] = {
{"C", "B", "B"}, {"B", "C", "B"}, {"B", "B", "C"}, {"C", "C", "B"}};
for (const bool use_function : {false, true}) {
for (int order = 0; order < 4; order++) {
GraphDef graph_def;
if (use_function) {
FunctionDef* function_def = graph_def.mutable_library()->add_function();
function_def->mutable_signature()->set_name("F");
for (const string& op : graph_ops[order]) {
function_def->add_node_def()->set_op(op);
}
graph_def.add_node()->set_op("F");
} else {
for (const string& op : graph_ops[order]) {
string name = strings::StrCat("name", graph_def.node_size());
NodeDef* node = graph_def.add_node();
node->set_name(name);
node->set_op(op);
}
}
// Strip the op list
OpList stripped_op_list;
TF_ASSERT_OK(StrippedOpListForGraph(graph_def, OpListOpRegistry(&op_list),
&stripped_op_list));
// We should have exactly two ops: B and C.
ASSERT_EQ(stripped_op_list.op_size(), 2);
for (int i = 0; i < 2; i++) {
const OpDef& op = stripped_op_list.op(i);
EXPECT_EQ(op.name(), i ? "C" : "B");
EXPECT_EQ(op.summary(), "");
EXPECT_EQ(op.description(), "");
EXPECT_EQ(op.is_commutative(), !i);
}
// Should get the same result using OpsUsedByGraph().
std::set<string> used_ops;
OpsUsedByGraph(graph_def, &used_ops);
ASSERT_EQ(std::set<string>({"B", "C"}), used_ops);
}
}
}
TEST(StrippedOpListForGraphTest, NestedFunctionTest) {
// Make a primitive op A.
OpList op_list;
op_list.add_op()->set_name("A");
for (const bool recursive : {false, true}) {
// Call A from function B, and B from function C.
GraphDef graph_def;
FunctionDef* b = graph_def.mutable_library()->add_function();
FunctionDef* c = graph_def.mutable_library()->add_function();
b->mutable_signature()->set_name("B");
c->mutable_signature()->set_name("C");
b->add_node_def()->set_op("A");
c->add_node_def()->set_op("B");
if (recursive) {
b->add_node_def()->set_op("B");
c->add_node_def()->set_op("C");
}
// Use C in the graph.
graph_def.add_node()->set_op("C");
// The stripped op list should contain just A.
OpList stripped_op_list;
TF_ASSERT_OK(StrippedOpListForGraph(graph_def, OpListOpRegistry(&op_list),
&stripped_op_list));
ASSERT_EQ(stripped_op_list.op_size(), 1);
ASSERT_EQ(stripped_op_list.op(0).name(), "A");
// Should get the same result using OpsUsedByGraph().
std::set<string> used_ops;
OpsUsedByGraph(graph_def, &used_ops);
ASSERT_EQ(std::set<string>({"A"}), used_ops);
}
}
} // namespace
} // namespace tensorflow
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