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 <utility>
18
19 #include "gmock/gmock.h"
20 #include "gtest/gtest.h"
21 #include "fcp/aggregation/core/datatype.h"
22 #include "fcp/aggregation/core/tensor.h"
23 #include "fcp/aggregation/core/tensor_aggregator_factory.h"
24 #include "fcp/aggregation/core/tensor_aggregator_registry.h"
25 #include "fcp/aggregation/core/tensor_shape.h"
26 #include "fcp/aggregation/testing/test_data.h"
27 #include "fcp/aggregation/testing/testing.h"
28 #include "fcp/testing/testing.h"
29
30 namespace fcp {
31 namespace aggregation {
32 namespace {
33
34 using ::testing::Eq;
35 using ::testing::IsTrue;
36
TEST(FederatedSumTest,ScalarAggregation_Succeeds)37 TEST(FederatedSumTest, ScalarAggregation_Succeeds) {
38 auto aggregator =
39 (*GetAggregatorFactory("federated_sum"))->Create(DT_INT32, {}).value();
40 Tensor t1 = Tensor::Create(DT_INT32, {}, CreateTestData({1})).value();
41 Tensor t2 = Tensor::Create(DT_INT32, {}, CreateTestData({2})).value();
42 Tensor t3 = Tensor::Create(DT_INT32, {}, CreateTestData({3})).value();
43 EXPECT_THAT(aggregator->Accumulate(t1), IsOk());
44 EXPECT_THAT(aggregator->Accumulate(t2), IsOk());
45 EXPECT_THAT(aggregator->Accumulate(t3), IsOk());
46 EXPECT_THAT(aggregator->CanReport(), IsTrue());
47
48 auto result = std::move(*aggregator).Report();
49 EXPECT_THAT(result, IsOk());
50
51 // Verify the resulting tensor.
52 EXPECT_THAT(result.value().size(), Eq(1));
53 EXPECT_THAT(result.value()[0], IsTensor({}, {6}));
54 }
55
TEST(FederatedSumTest,DenseAggregation_Succeeds)56 TEST(FederatedSumTest, DenseAggregation_Succeeds) {
57 const TensorShape shape = {4};
58 auto aggregator =
59 (*GetAggregatorFactory("federated_sum"))->Create(DT_INT32, shape).value();
60 Tensor t1 =
61 Tensor::Create(DT_INT32, shape, CreateTestData({1, 3, 15, 27})).value();
62 Tensor t2 =
63 Tensor::Create(DT_INT32, shape, CreateTestData({10, 5, 1, 2})).value();
64 Tensor t3 =
65 Tensor::Create(DT_INT32, shape, CreateTestData({3, 11, 7, 20})).value();
66 EXPECT_THAT(aggregator->Accumulate(t1), IsOk());
67 EXPECT_THAT(aggregator->Accumulate(t2), IsOk());
68 EXPECT_THAT(aggregator->Accumulate(t3), IsOk());
69 EXPECT_THAT(aggregator->CanReport(), IsTrue());
70 EXPECT_THAT(aggregator->GetNumInputs(), Eq(3));
71
72 auto result = std::move(*aggregator).Report();
73 EXPECT_THAT(result, IsOk());
74
75 // Verify the resulting tensor.
76 EXPECT_THAT(result.value().size(), Eq(1));
77 EXPECT_THAT(result.value()[0], IsTensor(shape, {14, 19, 23, 49}));
78 // Also ensure that the resulting tensor is dense.
79 EXPECT_TRUE(result.value()[0].is_dense());
80 }
81
TEST(AggVectorAggregationTest,Merge_Succeeds)82 TEST(AggVectorAggregationTest, Merge_Succeeds) {
83 auto aggregator1 =
84 (*GetAggregatorFactory("federated_sum"))->Create(DT_INT32, {}).value();
85 auto aggregator2 =
86 (*GetAggregatorFactory("federated_sum"))->Create(DT_INT32, {}).value();
87 Tensor t1 = Tensor::Create(DT_INT32, {}, CreateTestData({1})).value();
88 Tensor t2 = Tensor::Create(DT_INT32, {}, CreateTestData({2})).value();
89 Tensor t3 = Tensor::Create(DT_INT32, {}, CreateTestData({3})).value();
90 EXPECT_THAT(aggregator1->Accumulate(t1), IsOk());
91 EXPECT_THAT(aggregator2->Accumulate(t2), IsOk());
92 EXPECT_THAT(aggregator2->Accumulate(t3), IsOk());
93
94 EXPECT_THAT(aggregator1->MergeWith(std::move(*aggregator2)), IsOk());
95 EXPECT_THAT(aggregator1->CanReport(), IsTrue());
96 EXPECT_THAT(aggregator1->GetNumInputs(), Eq(3));
97
98 auto result = std::move(*aggregator1).Report();
99 EXPECT_THAT(result, IsOk());
100 EXPECT_THAT(result.value().size(), Eq(1));
101 EXPECT_THAT(result.value()[0], IsTensor({}, {6}));
102 }
103
104 } // namespace
105 } // namespace aggregation
106 } // namespace fcp
107