1 /*
2  * Copyright (C) 2021 The Android Open Source Project
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 #define LOG_TAG "cartelemetryd_hal_aidl_test"
17 
18 #include <aidl/Gtest.h>
19 #include <aidl/Vintf.h>
20 #include <aidl/android/frameworks/automotive/telemetry/BnCarTelemetryCallback.h>
21 #include <aidl/android/frameworks/automotive/telemetry/CallbackConfig.h>
22 #include <aidl/android/frameworks/automotive/telemetry/CarData.h>
23 #include <aidl/android/frameworks/automotive/telemetry/ICarTelemetry.h>
24 #include <android-base/logging.h>
25 #include <android/binder_auto_utils.h>
26 #include <android/binder_ibinder.h>
27 #include <android/binder_manager.h>
28 #include <android/binder_process.h>
29 #include <android/binder_status.h>
30 #include <gmock/gmock.h>
31 #include <gtest/gtest.h>
32 
33 #include <vector>
34 
35 namespace android {
36 namespace frameworks {
37 namespace automotive {
38 namespace telemetry {
39 
40 using ::aidl::android::frameworks::automotive::telemetry::BnCarTelemetryCallback;
41 using ::aidl::android::frameworks::automotive::telemetry::CallbackConfig;
42 using ::aidl::android::frameworks::automotive::telemetry::CarData;
43 using ::aidl::android::frameworks::automotive::telemetry::ICarTelemetry;
44 using ::ndk::ScopedAStatus;
45 
46 class MockCarTelemetryCallback : public BnCarTelemetryCallback {
47    public:
MockCarTelemetryCallback()48     MockCarTelemetryCallback() {}
49 
onChange(const std::vector<int32_t> & ids)50     ScopedAStatus onChange([[maybe_unused]] const std::vector<int32_t>& ids) override {
51         return ScopedAStatus::ok();
52     }
53 };
54 
buildConfig(const std::vector<int32_t> & ids)55 CallbackConfig buildConfig(const std::vector<int32_t>& ids) {
56     CallbackConfig config;
57     config.carDataIds = ids;
58     return config;
59 }
60 
buildCarData(int id,const std::vector<uint8_t> & content)61 CarData buildCarData(int id, const std::vector<uint8_t>& content) {
62     CarData msg;
63     msg.id = id;
64     msg.content = content;
65     return msg;
66 }
67 
68 class CarTelemetryTest : public testing::TestWithParam<std::string> {
69    public:
SetUp()70     virtual void SetUp() override {
71         mService = ICarTelemetry::fromBinder(
72             ndk::SpAIBinder(::AServiceManager_waitForService(GetParam().c_str())));
73         ASSERT_NE(nullptr, mService.get()) << "Instance '" << GetParam() << "'' is not available.";
74     }
75 
76     std::shared_ptr<ICarTelemetry> mService;
77 };
78 
79 // TODO(b/182598466): Add verifying contents after adding internal AIDLs for reading
80 // TODO(b/182598466): Add test for size limit check
TEST_P(CarTelemetryTest,writeReturnsOk)81 TEST_P(CarTelemetryTest, writeReturnsOk) {
82     CarData msg = buildCarData(101, {1, 0, 1, 0});
83 
84     auto status = mService->write({msg});
85 
86     EXPECT_TRUE(status.isOk()) << status.getMessage();
87 }
88 
TEST_P(CarTelemetryTest,AddCallbackReturnsOk)89 TEST_P(CarTelemetryTest, AddCallbackReturnsOk) {
90     CallbackConfig config = buildConfig({101, 102, 103});
91     std::shared_ptr<MockCarTelemetryCallback> callback =
92         ndk::SharedRefBase::make<MockCarTelemetryCallback>();
93 
94     auto status = mService->addCallback(config, callback);
95 
96     EXPECT_TRUE(status.isOk()) << status.getMessage();
97 }
98 
TEST_P(CarTelemetryTest,AddCallbackErrorsWhenDuplicate)99 TEST_P(CarTelemetryTest, AddCallbackErrorsWhenDuplicate) {
100     CallbackConfig config = buildConfig({101, 102, 103});
101     std::shared_ptr<MockCarTelemetryCallback> callback =
102         ndk::SharedRefBase::make<MockCarTelemetryCallback>();
103     mService->addCallback(config, callback);
104 
105     auto status = mService->addCallback(config, callback);
106 
107     EXPECT_FALSE(status.isOk()) << status.getMessage();
108 }
109 
TEST_P(CarTelemetryTest,RemoveCallbackReturnsOk)110 TEST_P(CarTelemetryTest, RemoveCallbackReturnsOk) {
111     CallbackConfig config = buildConfig({101, 102, 103});
112     std::shared_ptr<MockCarTelemetryCallback> callback =
113         ndk::SharedRefBase::make<MockCarTelemetryCallback>();
114     mService->addCallback(config, callback);
115 
116     auto status = mService->removeCallback(callback);
117 
118     EXPECT_TRUE(status.isOk()) << status.getMessage();
119 }
120 
TEST_P(CarTelemetryTest,RemoveCallbackErrorsForNonexistentCallback)121 TEST_P(CarTelemetryTest, RemoveCallbackErrorsForNonexistentCallback) {
122     std::shared_ptr<MockCarTelemetryCallback> callback =
123         ndk::SharedRefBase::make<MockCarTelemetryCallback>();
124 
125     auto status = mService->removeCallback(callback);
126 
127     EXPECT_FALSE(status.isOk()) << status.getMessage();
128 }
129 
130 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CarTelemetryTest);
131 INSTANTIATE_TEST_SUITE_P(
132     AutomotiveHal, CarTelemetryTest,
133     testing::ValuesIn(::android::getAidlHalInstanceNames(ICarTelemetry::descriptor)),
134     ::android::PrintInstanceNameToString);
135 
136 }  // namespace telemetry
137 }  // namespace automotive
138 }  // namespace frameworks
139 }  // namespace android
140 
main(int argc,char ** argv)141 int main(int argc, char** argv) {
142     ::testing::InitGoogleTest(&argc, argv);
143     ABinderProcess_setThreadPoolMaxThreadCount(1);
144     ABinderProcess_startThreadPool();
145     return RUN_ALL_TESTS();
146 }
147