1 /*
2  * Copyright 2022 Google LLC
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "fcp/aggregation/tensorflow/tensorflow_checkpoint_parser_factory.h"
18 
19 #include <memory>
20 #include <string>
21 #include <utility>
22 
23 #include "gmock/gmock.h"
24 #include "gtest/gtest.h"
25 #include "absl/status/statusor.h"
26 #include "absl/strings/cord.h"
27 #include "fcp/aggregation/protocol/checkpoint_parser.h"
28 #include "fcp/aggregation/testing/testing.h"
29 #include "fcp/base/platform.h"
30 #include "fcp/tensorflow/status.h"
31 #include "fcp/testing/testing.h"
32 
33 namespace fcp::aggregation::tensorflow {
34 namespace {
35 
TEST(TensorflowCheckpointParserFactoryTest,ReadCheckpoint)36 TEST(TensorflowCheckpointParserFactoryTest, ReadCheckpoint) {
37   std::string filename = TemporaryTestFile(".ckpt");
38   ASSERT_OK(ConvertFromTensorFlowStatus(CreateTfCheckpoint(
39       filename, {"t1", "t2"}, {{1.0f, 2.0f, 3.0f, 4.0f}, {5.0f, 6.0f}})));
40   absl::StatusOr<absl::Cord> checkpoint = ReadFileToCord(filename);
41   ASSERT_OK(checkpoint.status());
42 
43   TensorflowCheckpointParserFactory factory;
44   absl::StatusOr<std::unique_ptr<CheckpointParser>> parser =
45       factory.Create(*checkpoint);
46   ASSERT_OK(parser.status());
47 
48   auto t1 = (*parser)->GetTensor("t1");
49   ASSERT_OK(t1.status());
50   EXPECT_THAT(*t1, IsTensor<float>({4}, {1.0, 2.0, 3.0, 4.0}));
51   auto t2 = (*parser)->GetTensor("t2");
52   ASSERT_OK(t2.status());
53   EXPECT_THAT(*t2, IsTensor<float>({2}, {5.0, 6.0}));
54   EXPECT_FALSE((*parser)->GetTensor("t3").ok());
55 }
56 
TEST(TensorflowCheckpointParserFactoryTest,InvalidCheckpoint)57 TEST(TensorflowCheckpointParserFactoryTest, InvalidCheckpoint) {
58   TensorflowCheckpointParserFactory factory;
59   EXPECT_FALSE(factory.Create(absl::Cord("invalid")).ok());
60 }
61 
62 }  // namespace
63 }  // namespace fcp::aggregation::tensorflow
64