1 /* 2 * Copyright (C) 2015 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 <gtest/gtest.h> 18 #include "vehicle_test_fixtures.h" 19 #include "hardware/vehicle.h" 20 21 namespace tests { 22 23 // Check if list_properties command exists. 24 TEST_F(VehicleDevice, isThereListProperties) { 25 ASSERT_TRUE(NULL != vehicle_device()->list_properties) 26 << "list_properties() function is not implemented"; 27 std::cout << "Test succeeds.\n"; 28 } 29 30 // HAL should provide atleast one property. The output of this command should be 31 // used to verify the vailidity of the function. 32 TEST_F(VehicleDevice, listPropertiesMoreThanOne) { 33 vehicle_prop_config_t const* config; 34 int num_configs = -1; 35 config = vehicle_device()->list_properties(vehicle_device(), &num_configs); 36 ASSERT_TRUE(num_configs > -1) << "list_properties() call failed."; 37 ASSERT_TRUE(num_configs > 0) << "list_properties() returned zero items."; 38 std::cout << "Number of properties reported: " << num_configs << "\n"; 39 for (int i = 0; i < num_configs; i++) { 40 // Print each of the properties. 41 const vehicle_prop_config_t& config_temp = config[i]; 42 std::cout << "Property ID: " << config_temp.prop << "\n"; 43 std::cout << "Property flags: " << config_temp.config_flags << "\n"; 44 std::cout << "Property change mode: " << config_temp.change_mode << "\n"; 45 std::cout << "Property min sample rate: " << config_temp.min_sample_rate << "\n"; 46 std::cout << "Property max sample rate: " << config_temp.max_sample_rate << "\n\n"; 47 } 48 } 49 50 // Test get() command. 51 // The fields are hardcoded in the dummy implementation and here. 52 TEST_F(VehicleDevice, getDriveState) { 53 vehicle_prop_value_t data; 54 data.prop = VEHICLE_PROPERTY_DRIVING_STATUS; 55 // Set drive_state field to EINVAL so that we can check that its valid when 56 // it comes back. 57 data.value_type = -EINVAL; 58 data.value.driving_status = -EINVAL; 59 vehicle_device()->get(vehicle_device(), &data); 60 61 // Check that retured values are not invalid. 62 ASSERT_NE(data.value_type, -EINVAL) << "Drive state value type should be integer."; 63 ASSERT_NE(data.value.driving_status, -EINVAL) << "Driving status should be positive."; 64 65 std::cout << "Driving status value type: " << data.value_type << "\n" 66 << "Driving status: " << data.value.driving_status << "\n"; 67 } 68 69 // Test the workflows for subscribe and init/release. 70 // Subscribe will return error before init() is called or after release() is 71 // called. 72 TEST_F(VehicleDevice, initTest) { 73 // Test that init on a new device works. When getting an instance, we are 74 // already calling 'open' on the device. 75 int ret_code = 76 vehicle_device()->init(vehicle_device(), callback_fn(), error_fn()); 77 ASSERT_EQ(ret_code, 0) << "ret code: " << ret_code; 78 79 // Trying to init again should return an error. 80 ret_code = vehicle_device()->init(vehicle_device(), callback_fn(), error_fn()); 81 ASSERT_EQ(ret_code, -EEXIST) << "ret code: " << ret_code; 82 83 // Uninit should always return 0. 84 ret_code = vehicle_device()->release(vehicle_device()); 85 ASSERT_EQ(ret_code, 0) << "ret code: " << ret_code; 86 87 // We should be able to init again. 88 ret_code = vehicle_device()->init(vehicle_device(), callback_fn(), error_fn()); 89 ASSERT_EQ(ret_code, 0) << "ret code: " << ret_code; 90 91 // Finally release. 92 ret_code = vehicle_device()->release(vehicle_device()); 93 ASSERT_EQ(ret_code, 0) << "ret_code: " << ret_code; 94 } 95 96 // Test that subscribe works. 97 // We wait for 10 seconds while which the vehicle.c can post messages from 98 // within it's own thread. 99 TEST_F(VehicleDevice, subscribeTest) { 100 // If the device is not init subscribe should fail off the bat. 101 int ret_code = vehicle_device()->subscribe(vehicle_device(), VEHICLE_PROPERTY_DRIVING_STATUS, 102 0, 0); 103 ASSERT_EQ(ret_code, -EINVAL) << "Return code is: " << ret_code; 104 105 // Let's init the device. 106 ret_code = vehicle_device()->init(vehicle_device(), callback_fn(), error_fn()); 107 ASSERT_EQ(ret_code, 0) << "Return code is: " << ret_code; 108 109 // Subscribe should now go through. 110 ret_code = vehicle_device()->subscribe(vehicle_device(), VEHICLE_PROPERTY_DRIVING_STATUS, 0, 0); 111 ASSERT_EQ(ret_code, 0) << "Return code is: " << ret_code; 112 113 // We should start getting some messages thrown from the callback. Let's 114 // wait for 20 seconds before unsubscribing. 115 std::cout << "Sleeping for 20 seconds."; 116 sleep(20); 117 std::cout << "Waking from sleep."; 118 119 // This property does not exist, so we should get -EINVAL. 120 ret_code = vehicle_device()->unsubscribe(vehicle_device(), VEHICLE_PROPERTY_INFO_VIN); 121 ASSERT_EQ(ret_code, -EINVAL) << "Return code is: " << ret_code; 122 123 // This property exists, so we should get a success return code - also this 124 // will be a blocking call. 125 ret_code = vehicle_device()->unsubscribe(vehicle_device(), VEHICLE_PROPERTY_DRIVING_STATUS); 126 ASSERT_EQ(ret_code, 0) << "Return code is: " << ret_code; 127 } 128 129 } // namespace tests 130