xref: /aosp_15_r20/external/federated-compute/fcp/testing/result_matchers_test.cc (revision 14675a029014e728ec732f129a32e299b2da0601)
1 /*
2  * Copyright 2019 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/testing/result_matchers.h"
18 
19 #include "gtest/gtest.h"
20 #include "fcp/base/error.h"
21 #include "fcp/base/result.h"
22 #include "fcp/base/tracing_schema.h"
23 #include "fcp/testing/testing.h"
24 #include "fcp/tracing/test_tracing_recorder.h"
25 
26 namespace fcp {
27 using testing::Eq;
28 using testing::Not;
29 
TEST(ExpectTest,HasValueDirect)30 TEST(ExpectTest, HasValueDirect) {
31   EXPECT_THAT(Result<int>(42), HasValue(42));
32   EXPECT_THAT(Result<int>(42), Not(HasValue(24)));
33   EXPECT_THAT(Result<std::string>("foo"), HasValue("foo"));
34   EXPECT_THAT(Result<std::string>("foo"), Not(HasValue("bar")));
35 }
36 
TEST(ExpectTest,HasValueEq)37 TEST(ExpectTest, HasValueEq) {
38   EXPECT_THAT(Result<int>(42), HasValue(Eq(42)));
39   EXPECT_THAT(Result<int>(42), Not(HasValue(Eq(24))));
40   EXPECT_THAT(Result<int>(42), HasValue(Not(Eq(24))));
41   EXPECT_THAT(Result<std::string>("foo"), HasValue(Eq("foo")));
42   EXPECT_THAT(Result<std::string>("foo"), Not(HasValue(Eq("bar"))));
43   EXPECT_THAT(Result<std::string>("foo"), HasValue(Not(Eq("bar"))));
44 }
45 
TEST(ExpectTest,ExpectIsError)46 TEST(ExpectTest, ExpectIsError) {
47   EXPECT_THAT(Result<int>(TraceTestError()), IsError());
48   EXPECT_THAT(Result<int>(42), Not(IsError()));
49 }
50 
TEST(ExpectTest,ExpectStatus)51 TEST(ExpectTest, ExpectStatus) {
52   TestTracingRecorder recorder;
53   EXPECT_THAT(Result<Status>(FCP_STATUS(INVALID_ARGUMENT))
54                   .Then(ExpectStatus<INVALID_ARGUMENT>()),
55               HasValue(Unit{}));
56 }
57 
TEST(ExpectTest,ExpectStatusReturnsError)58 TEST(ExpectTest, ExpectStatusReturnsError) {
59   TestTracingRecorder recorder;
60   recorder.ExpectError<ResultExpectStatusError>();
61   EXPECT_THAT(
62       Result<Status>(FCP_STATUS(OK)).Then(ExpectStatus<INVALID_ARGUMENT>()),
63       IsError());
64 }
65 
66 }  // namespace fcp
67