Spectatio:汽車測試框架

Spectatio 是一個開源測試框架,用於在真實和虛擬設備上測試 Android Automotive OS (AAOS)。 Spectatio 提供用於在汽車設備上測試應用程序的 API,是一種可擴展和可擴展的解決方案,用於驗證 AAOS 及其應用程序的功能和性能。

高級設計

Spectatio 框架對各種 AAOS UI 實現具有適應性和可擴展性。它用於在設備硬件、模擬器和虛擬化環境中測試 AAOS 的功能和性能。

下圖解釋了 Spectatio 框架的高級設計。

spectatio-design

圖 1. Spectatio 框架高層設計

Spectatio 框架建立在UI Automator之上,提供了一組 API 來構建與 AAOS 上的用戶和系統應用程序交互的 UI 測試。汽車測試使用 Spectatio 框架提供的 API 進行測試,這使得這些測試獨立於被測設備 (DUT) 並且可擴展以測試各種設備(如果支持)。

圖 1 顯示 Spectatio 框架是基於參考應用程序(例如 Dialer、Medicenter 和 Settings)使用應用程序特定的接口和幫助程序進行模塊化的,使其易於擴展以用於新應用程序。 Spectatio 框架重用了通用的標準和實用程序助手類。標準助手類是所有應用程序助手函數的父類,並提供特定於設備或適用於應用程序的標準函數。實用程序助手類提供實用程序,例如從設備讀取或寫入文件。

建築學

為了提供一組 API 來構建 UI 測試,Spectatio 框架在擴展現有的標準幫助程序類和導入實用程序幫助程序類的同時,實現了特定於應用程序的接口和幫助程序。

下圖解釋了 Spectatio 框架的高級架構以及實現 API 以測試應用程序所涉及的所有實體。

spectatio-arch

圖 2. Spectatio 框架高層架構

應用程序助手接口為應用程序助手的實現提供了藍圖。它由測試應用程序所需的各種幫助函數組成。每個應用程序都有自己的接口,例如IAutoSettingHelperIAutoDialHelper 。有關更多信息和接口函數列表,請參閱 AOSP 上的應用程序助手接口函數

標準助手類由設備設置所需的標準屬性和函數組成,但並不特定於任何應用程序,例如pressHomescroll 。標準助手類在AbstractAutoStandardAppHelper.java中定義。

框架使用實用程序助手類。例如, AutoJsonUtility.java是一個
加載給定設備 JSON 配置文件並在運行時更新框架配置的實用程序類。

應用助手實現模塊是 Spectatio 框架的核心。它包含應用程序助手接口中定義的助手函數的實現,這是在汽車設備上測試應用程序所必需的。每個應用程序都有自己的實現,例如SettingHelperImplDialHelperImpl ,供 Automotive 測試用於測試應用程序。有關更多信息和實現列表,請參閱 AOSP 上的應用程序助手實現函數

Automotive Tests使用應用程序助手實現函數來測試與應用程序相關的各種操作。使用HelperAccessor類來訪問應用程序助手實現函數。

以下代碼顯示了示例汽車測試的設置、清理和執行。

@RunWith(AndroidJUnit4.class)
public class AutoApplicationTest {
  static HelperAccessor<IAutoApplicationHelper> autoApplicationHelper =
          new HelperAccessor<>(IAutoApplicationHelper.class);

  public AutoApplicationTest() {
    // constructor
    // Initialize any attributes that are required for the test execution
  }

  @Before
  public void beforeTest() {
    // Initial setup before each test
    // For example - open the application
    autoApplicationHelper.open();
  }

  @After
  public void afterTest() {
    // Cleanup after each test.
    // For example - exit the application
    autoApplicationHelper.exit();
  }

  @Test
  public void testApplicationFeature() {
    // Test
    // For example - Test if application is open
    assertTrue("Application is not open.", autoApplicationHelper.isOpen());
  }
}

定制

Spectatio 框架獨立於設備 UI,因此可擴展以測試具有不同 UI 和硬件的設備。為了實現這種可擴展性,Spectatio 使用基於參考設備的默認設備配置。為了支持非默認設備配置,框架在運行時使用 JSON 配置文件來設置設備所需的 UI 更改。 JSON 配置文件支持TEXTDESCRIPTIONRESOURCE_ID等 UI 元素以及path設置,並且必須僅包含有關 DUT 的 UI 更改的信息。其餘的 UI 元素使用框架中提供的默認配置值。

默認設備配置

以下示例 JSON 配置文件顯示了可用的設備配置及其默認值。

單擊加號以查看示例 JSON 配置文件

    {
        "SETTINGS": {
                "APPLICATION_CONFIG": {
                        "SETTINGS_TITLE_TEXT": "Settings",
                        "SETTINGS_PACKAGE": "com.android.car.settings",
                        "SETTINGS_RRO_PACKAGE": "com.android.car.settings.googlecarui.rro",
                        "OPEN_SETTINGS_COMMAND": "am start -a android.settings.SETTINGS",
                        "OPEN_QUICK_SETTINGS_COMMAND": "am start -n com.android.car.settings/com.android.car.settings.common.CarSettingActivity"
                },
                "QUICK_SETTINGS": {
                        "OPEN_MORE_SETTINGS": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "toolbar_menu_item_1",
                                "PACKAGE": "com.android.car.settings"
                        },
                        "NIGHT_MODE": {
                                "TYPE": "TEXT",
                                "VALUE": "Night mode"
                        }
                },
                "DISPLAY": {
                        "PATH": "Settings > Display",
                        "OPTIONS": [
                                "Brightness level"
                        ],
                        "BRIGHTNESS_LEVEL": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "seekbar",
                                "PACKAGE": "com.android.car.settings"
                        }
                },
                "SOUND": {
                        "PATH": "Settings > Sound",
                        "OPTIONS": [
                                "Media volume",
                                "Alarm volume"
                        ]
                },
                "NETWORK_AND_INTERNET": {
                        "PATH": "Settings > Network & internet",
                        "OPTIONS": [
                        ],
                        "TOGGLE_WIFI": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "master_switch",
                                "PACKAGE": "com.android.car.settings"
                        }
                },
                "BLUETOOTH": {
                        "PATH": "Settings > Bluetooth",
                        "OPTIONS": [
                        ],
                        "TOGGLE_BLUETOOTH": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "car_ui_toolbar_menu_item_switch",
                                "PACKAGE": "com.android.car.settings"
                        }
                },
                "APPS_AND_NOTIFICATIONS": {
                        "PATH": "Settings > Apps & notifications",
                        "OPTIONS": [
                        ],
                        "SHOW_ALL_APPS": {
                                "TYPE": "TEXT",
                                "VALUE": "Show all apps"
                        },
                        "ENABLE_DISABLE_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "car_ui_toolbar_menu_item_text",
                                "PACKAGE": "com.android.car.settings"
                        },
                        "DISABLE_BUTTON_TEXT": {
                                "TYPE": "TEXT",
                                "VALUE": "Disable"
                        },
                        "ENABLE_BUTTON_TEXT": {
                                "TYPE": "TEXT",
                                "VALUE": "Enable"
                        },
                        "DISABLE_APP_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "DISABLE APP"
                        },
                        "FORCE_STOP_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Force stop"
                        },
                        "OK_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "OK"
                        },
                        "PERMISSIONS_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "Permissions"
                        },
                        "ALLOW_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Allow"
                        },
                        "DENY_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Deny"
                        },
                        "DENY_ANYWAY_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Deny anyway"
                        }
                },
                "DATE_AND_TIME": {
                        "PATH": "Settings > Date & time",
                        "OPTIONS": [
                                "Automatic date & time",
                "Automatic time zone"
                        ],
                        "AUTOMATIC_DATE_AND_TIME": {
                                "TYPE": "TEXT",
                                "VALUE": "Automatic date & time"
                        },
                        "AUTOMATIC_TIME_ZONE": {
                                "TYPE": "TEXT",
                                "VALUE": "Automatic time zone"
                        },
                        "SET_DATE": {
                                "TYPE": "TEXT",
                                "VALUE": "Set date"
                        },
                        "SET_TIME": {
                                "TYPE": "TEXT",
                                "VALUE": "Set time"
                        },
                        "SELECT_TIME_ZONE": {
                                "TYPE": "TEXT",
                                "VALUE": "Select time zone"
                        },
                        "USE_24_HOUR_FORMAT": {
                                "TYPE": "TEXT",
                                "VALUE": "Use 24-hour format"
                        },
                        "OK_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "toolbar_menu_item_0",
                                "PACKAGE": "com.android.car.settings"
                        },
                        "NUMBER_PICKER_WIDGET": {
                                "TYPE": "CLASS",
                                "VALUE": "android.widget.NumberPicker"
                        },
                        "EDIT_TEXT_WIDGET": {
                                "TYPE": "CLASS",
                                "VALUE": "android.widget.EditText"
                        }
                },
                "USERS": {
                        "PATH": "Settings > Users",
                        "OPTIONS": [
                                "Guest"
                        ]
                },
                "ACCOUNTS": {
                        "PATH": "Settings > Accounts",
                        "OPTIONS": [
                                "Automatically sync data"
                        ],
                        "ADD_ACCOUNT": {
                                "TYPE": "TEXT",
                                "VALUE": "ADD ACCOUNT"
                        },
                        "ADD_GOOGLE_ACCOUNT": {
                                "TYPE": "TEXT",
                                "VALUE": "Google"
                        },
                        "SIGN_IN_ON_CAR_SCREEN": {
                                "TYPE": "TEXT",
                                "VALUE": "Sign in on car screen"
                        },
                        "GOOGLE_SIGN_IN_SCREEN": {
                                "TYPE": "TEXT",
                                "VALUE": "Sign in to your Google Account"
                        },
                        "ENTER_EMAIL": {
                                "TYPE": "CLASS",
                                "VALUE": "android.widget.EditText"
                        },
                        "ENTER_PASSWORD": {
                                "TYPE": "CLASS",
                                "VALUE": "android.widget.EditText"
                        },
                        "NEXT_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Next"
                        },
                        "DONE_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Done"
                        },
                        "REMOVE_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Remove"
                        },
                        "REMOVE_ACCOUNT_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Remove Account"
                        }
                },
                "SYSTEM": {
                        "PATH": "Settings > System",
                        "OPTIONS": [
                                "About", "Legal information"
                        ],
                        "ABOUT_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "About"
                        },
                        "RESET_OPTIONS_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "Reset options"
                        },
                        "LANGUAGES_AND_INPUT_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "Languages & input"
                        },
                        "DEVICE_MODEL": {
                                "TYPE": "TEXT",
                                "VALUE": "Model"
                        },
                        "ANDROID_VERSION": {
                                "TYPE": "TEXT",
                                "VALUE": "Android version"
                        },
                        "ANDROID_SECURITY_PATCH_LEVEL": {
                                "TYPE": "TEXT",
                                "VALUE": "Android security patch level"
                        },
                        "KERNEL_VERSION": {
                                "TYPE": "TEXT",
                                "VALUE": "Kernel version"
                        },
                        "BUILD_NUMBER": {
                                "TYPE": "TEXT",
                                "VALUE": "Build number"
                        },
                        "RECYCLER_VIEW_WIDGET": {
                                "TYPE": "CLASS",
                                "VALUE": "androidx.recyclerview.widget.RecyclerView"
                        },
                        "RESET_NETWORK": {
                                "TYPE": "TEXT",
                                "VALUE": "Reset network"
                        },
                        "RESET_SETTINGS": {
                                "TYPE": "TEXT",
                                "VALUE": "RESET SETTINGS"
                        },
                        "RESET_APP_PREFERENCES": {
                                "TYPE": "TEXT",
                                "VALUE": "Reset app preferences"
                        },
                        "RESET_APPS": {
                                "TYPE": "TEXT",
                                "VALUE": "RESET APPS"
                        },
                        "LANGUAGES_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "Languages"
                        },
                        "LANGUAGES_MENU_IN_SELECTED_LANGUAGE": {
                                "TYPE": "TEXT",
                                "VALUE": "Idiomas"
                        }
                },
                "SECURITY": {
                        "PATH": "Settings > Security",
                        "OPTIONS": [
                        ],
                        "TITLE": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "car_ui_toolbar_title",
                                "PACKAGE": "com.android.car.settings.googlecarui.rro"
                        },
                        "CHOOSE_LOCK_TYPE": {
                                "TYPE": "TEXT",
                                "VALUE": "Choose a lock type"
                        },
                        "LOCK_TYPE_PASSWORD": {
                                "TYPE": "TEXT",
                                "VALUE": "Password"
                        },
                        "LOCK_TYPE_PIN": {
                                "TYPE": "TEXT",
                                "VALUE": "PIN"
                        },
                        "LOCK_TYPE_NONE": {
                                "TYPE": "TEXT",
                                "VALUE": "None"
                        },
                        "CONTINUE_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Continue"
                        },
                        "CONFIRM_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Confirm"
                        },
                        "ENTER_PASSWORD": {
                                "TYPE": "CLASS",
                                "VALUE": "android.widget.EditText"
                        },
                        "PIN_PAD": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "pin_pad",
                                "PACKAGE": "com.android.car.settings"
                        },
                        "ENTER_PIN_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "key_enter",
                                "PACKAGE": "com.android.car.settings"
                        },
                        "REMOVE_BUTTON": {
                                "TYPE": "TEXT",
                                "VALUE": "Remove"
                        }
                }
        },
        "PHONE": {
                "APPLICATION_CONFIG": {
                        "DIAL_PACKAGE": "com.android.car.dialer",
                        "PHONE_ACTIVITY": "com.android.car.dialer/.ui.TelecomActivity",
                        "OPEN_DIAL_PAD_COMMAND": "am start -a android.intent.action.DIAL"
                },
                "IN_CALL_VIEW": {
                        "DIALED_CONTACT_TITLE": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "user_profile_title",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "DIALED_CONTACT_NUMBER": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "user_profile_phone_number",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "END_CALL": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "end_call_button",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "MUTE_CALL": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "mute_button",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "SWITCH_TO_DIAL_PAD": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "toggle_dialpad_button",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "CHANGE_VOICE_CHANNEL": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "voice_channel_view",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "VOICE_CHANNEL_CAR": {
                                "TYPE": "TEXT",
                                "VALUE": "Car speakers"
                        },
                        "VOICE_CHANNEL_PHONE": {
                                "TYPE": "TEXT",
                                "VALUE": "Phone"
                        }
                },
                "DIAL_PAD_VIEW": {
                        "DIAL_PAD_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "Dial Pad"
                        },
                        "DIAL_PAD_FRAGMENT": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "dialpad_fragment",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "DIALED_NUMBER": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "title",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "MAKE_CALL": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "call_button",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "DELETE_NUMBER": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "delete_button",
                                "PACKAGE": "com.android.car.dialer"
                        }
                },
                "CONTACTS_VIEW": {
                        "CONTACTS_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "Contacts"
                        },
                        "CONTACT_INFO": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "call_action_id",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "CONTACT_NAME": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "title",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "CONTACT_DETAIL": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "show_contact_detail_id",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "ADD_CONTACT_TO_FAVORITE": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "contact_details_favorite_button",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "SEARCH_CONTACT": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "menu_item_search",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "CONTACT_SEARCH_BAR": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "car_ui_toolbar_search_bar",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "SEARCH_RESULT": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "contact_name",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "CONTACT_SETTINGS": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "menu_item_setting",
                                "PACKAGE": "com.android.car.dialer"
                        },
                        "CONTACT_ORDER": {
                                "TYPE": "TEXT",
                                "VALUE": "Contact order"
                        },
                        "SORT_BY_FIRST_NAME": {
                                "TYPE": "TEXT",
                                "VALUE": "First name"
                        },
                        "SORT_BY_LAST_NAME": {
                                "TYPE": "TEXT",
                                "VALUE": "Last Name"
                        },
                        "CONTACT_TYPE_WORK": {
                                "TYPE": "TEXT",
                                "VALUE": "Work"
                        },
                        "CONTACT_TYPE_MOBILE": {
                                "TYPE": "TEXT",
                                "VALUE": "Mobile"
                        },
                        "CONTACT_TYPE_HOME": {
                                "TYPE": "TEXT",
                                "VALUE": "Home"
                        }
                },
                "CALL_HISTORY_VIEW": {
                        "CALL_HISTORY_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "Recents"
                        },
                        "CALL_HISTORY_INFO": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "call_action_id",
                                "PACKAGE": "com.android.car.dialer"
                        }
                },
                "FAVORITES_VIEW": {
                        "FAVORITES_MENU": {
                                "TYPE": "TEXT",
                                "VALUE": "Favorites"
                        }
                }
        },
        "NOTIFICATIONS": {
                "APPLICATION_CONFIG": {
                        "OPEN_NOTIFICATIONS_COMMAND": "service call statusbar 1"
                },
                "EXPANDED_NOTIFICATIONS_SCREEN": {
                        "NOTIFICATION_VIEW": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "notification_view",
                                "PACKAGE": "com.android.systemui"
                        },
                        "CLEAR_ALL_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "clear_all_button",
                                "PACKAGE": "com.android.systemui"
                        },
                        "STATUS_BAR": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "car_top_navigation_bar_container",
                                "PACKAGE": "com.android.systemui"
                        },
                        "APP_ICON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "app_icon",
                                "PACKAGE": "com.android.systemui"
                        },
                        "APP_NAME": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "header_text",
                                "PACKAGE": "com.android.systemui"
                        },
                        "NOTIFICATION_TITLE": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "notification_body_title",
                                "PACKAGE": "com.android.systemui"
                        },
                        "NOTIFICATION_BODY": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "notification_body_content",
                                "PACKAGE": "com.android.systemui"
                        },
                        "CARD_VIEW": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "card_view",
                                "PACKAGE": "com.android.systemui"
                        }
                }
        },
        "MEDIA_CENTER": {
                "APPLICATION_CONFIG": {
                        "MEDIA_CENTER_PACKAGE": "com.android.car.media",
                        "MEDIA_ACTIVITY": "com.android.bluetooth/com.android.bluetooth.avrcpcontroller.BluetoothMediaBrowserService"
                },
                "MEDIA_CENTER_SCREEN": {
                        "PLAY_PAUSE_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "play_pause_stop",
                                "PACKAGE": "com.android.car.media"
                        },
                        "NEXT_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "skip_next",
                                "PACKAGE": "com.android.car.media"
                        },
                        "PREVIOUS_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "skip_prev",
                                "PACKAGE": "com.android.car.media"
                        },
                        "SHUFFLE_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "overflow_on",
                                "PACKAGE": "com.android.car.media"
                        },
                        "PLAY_QUEUE_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "play_queue",
                                "PACKAGE": "com.android.car.media"
                        },
                        "MINIMIZED_MEDIA_CONTROLS": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "minimized_playback_controls",
                                "PACKAGE": "com.android.car.media"
                        },
                        "TRACK_NAME": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "title",
                                "PACKAGE": "com.android.car.media"
                        },
                        "TRACK_NAME_MINIMIZED_CONTROL": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "minimized_control_bar_title",
                                "PACKAGE": "com.android.car.media"
                        },
                        "BACK_BUTTON": {
                                "TYPE": "DESCRIPTION",
                                "VALUE": "Back"
                        }
                },
                "MEDIA_CENTER_ON_HOME_SCREEN": {
                        "PLAY_PAUSE_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "play_pause_stop",
                                "PACKAGE": "com.android.car.carlauncher"
                        },
                        "NEXT_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "skip_next",
                                "PACKAGE": "com.android.car.carlauncher"
                        },
                        "PREVIOUS_BUTTON": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "skip_prev",
                                "PACKAGE": "com.android.car.carlauncher"
                        },
                        "TRACK_NAME": {
                                "TYPE": "RESOURCE_ID",
                                "VALUE": "title",
                                "PACKAGE": "com.android.car.carlauncher"
                        }
                }
        }
}
  

非默認設備配置

以下代碼示例顯示了 JSON 配置文件的示例,其中默認設置被 DUT 上的設置覆蓋。在這個例子中:

  • Internet 設置在參考設備上命名為Network & internet ,在 DUT 上命名為Connectivity
  • 日期和時間設置位於參考設備的設置Settings > Date and time日期和時間,以及 DUT 的Settings > System > Date and time
# JSON configuration file for Reference Device
{
       ....
        "NETWORK_AND_INTERNET_SETTINGS": {
             "path": "Settings > Network & internet"
        },
        "DATE_AND_TIME_SETTINGS": {
             "path": "Settings > Date and time"
        },
       ....
}

# JSON configuration file for non-reference device
{
       ....
        "NETWORK_AND_INTERNET_SETTINGS": {
             "path": "Settings > Connectivity"
        },
        "DATE_AND_TIME_SETTINGS": {
             "path": "Settings > System > Date and time"
        },
       ....
}

當 JSON 配置文件準備好後,它會在運行時提供,如以下代碼塊所示。

# Push The JSON configuration file to the device
adb -s DEVICE-SERIAL push PATH-OF-JSON-FILE /data/local/tmp/jsonFile.json

在這些命令中:

  • PATH-TO-JSON-FILE :主機上 JSON 文件的路徑。
  • DEVICE-SERIAL :DUT 的序列號。如果只有一個設備連接到主機,則不需要此參數。

構建和執行

Spectatio 框架是作為測試 APK 的一部分自動構建的。要構建測試 APK,AOSP 代碼庫必須駐留在本地工作站上。測試 APK 構建完成後,用戶必須在設備上安裝 APK 並執行測試。

以下代碼示例顯示了測試 APK 的構建、安裝和執行。

# Build Test APK
make TEST-APK-NAME

# Install Test APK
adb -s DEVICE-SERIAL install -r PATH-FOR-BUILT-TEST-APK


# Execute Test with the JSON file
adb -s DEVICE-SERIAL shell am instrument -w -r -e debug false -e config-file-path /data/local/tmp/jsonFile.json -e class TEST-PACKAGE.TEST-CLASSNAME TEST-PACKAGE/androidx.test.runner.AndroidJUnitRunner

在這些命令中:

  • TEST-APK-NAME :要測試的應用的名稱。例如,將TEST-APK-NAME設置為AndroidAutomotiveSettingsTests以測試Android.bp文件中指定的 Wi-Fi 設置。 APK 的名稱可以在汽車測試的相應Android.bp文件中找到。

  • DEVICE-SERIAL :DUT 的序列號。如果只有一個設備連接到主機,則不需要此參數。

  • config-file-path :可選參數,僅用於提供JSON 配置文件中指定的非默認設備 UI 配置。如果未提供,框架將使用默認值來執行測試。

  • PATH-FOR-BUILT-TEST-APK :執行make命令時構建測試 APK 的路徑。

  • TEST-PACKAGE :測試包的名稱。

  • TEST-CLASSNAME :測試類的名稱。例如,對於Wifi Settings測試,測試包為android.platform.tests ,測試類名稱為WifiSettingTest