1 /*
2 * Copyright 2023 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
17 #include <Common.h>
18 #include <Enumerator.h>
19
20 #include <random>
21
22 namespace {
23
24 using aidl::android::hardware::automotive::evs::CameraDesc;
25 using aidl::android::hardware::automotive::evs::IEvsCamera;
26 using aidl::android::hardware::automotive::evs::IEvsEnumerator;
27 using aidl::android::hardware::automotive::evs::Stream;
28
29 constexpr int MIN_NUM_DEVICES = 1;
30 constexpr int MAX_NUM_DEVICES = 4;
31
32 } // namespace
33
34 namespace aidl::android::automotive::evs::implementation {
35
initializeMockEvsHal()36 std::shared_ptr<MockEvsHal> initializeMockEvsHal() {
37 // Initialize a mock EVS HAL with random number of cameras and displays.
38 std::random_device r;
39 std::default_random_engine engine(r());
40 std::uniform_int_distribution<int> uniform_dist(MIN_NUM_DEVICES, MAX_NUM_DEVICES);
41 std::shared_ptr<MockEvsHal> mockEvsHal =
42 std::make_shared<MockEvsHal>(/* numCameras= */ uniform_dist(engine),
43 /* numDisplays= */ uniform_dist(engine));
44 EXPECT_NE(mockEvsHal, nullptr);
45 mockEvsHal->initialize();
46
47 return mockEvsHal;
48 }
49
openFirstCamera(const std::shared_ptr<MockEvsHal> & handle)50 std::shared_ptr<IEvsCamera> openFirstCamera(const std::shared_ptr<MockEvsHal>& handle) {
51 EXPECT_NE(handle, nullptr);
52
53 // Get a mock EVS camera.
54 std::shared_ptr<IEvsEnumerator> hwEnumerator = handle->getEnumerator();
55 EXPECT_NE(hwEnumerator, nullptr);
56
57 std::vector<CameraDesc> cameras;
58 EXPECT_TRUE(hwEnumerator->getCameraList(&cameras).isOk());
59 EXPECT_GT(cameras.size(), 0);
60
61 std::vector<Stream> configs;
62 EXPECT_TRUE(hwEnumerator->getStreamList(cameras[0], &configs).isOk());
63 EXPECT_GT(configs.size(), 0);
64
65 std::shared_ptr<IEvsCamera> mockHwCamera;
66 EXPECT_TRUE(hwEnumerator->openCamera(cameras[0].id, configs[0], &mockHwCamera).isOk());
67 EXPECT_NE(mockHwCamera, nullptr);
68
69 return mockHwCamera;
70 }
71
72 } // namespace aidl::android::automotive::evs::implementation
73