| /* |
| * Copyright (C) 2013 DroidDriver committers |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.android.droiddriver.helpers; |
| |
| import android.app.Instrumentation; |
| import android.os.Build; |
| import android.os.Bundle; |
| |
| import com.google.android.droiddriver.DroidDriver; |
| import com.google.android.droiddriver.exceptions.DroidDriverException; |
| import com.google.android.droiddriver.instrumentation.InstrumentationDriver; |
| import com.google.android.droiddriver.uiautomation.UiAutomationDriver; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| /** |
| * Static utility methods pertaining to {@link DroidDriver} instances. |
| */ |
| public class DroidDrivers { |
| private static DroidDriver driver; |
| private static Instrumentation instrumentation; |
| private static Bundle options; |
| |
| /** |
| * Gets the singleton driver. Throws if {@link #init} has not been called. |
| */ |
| public static DroidDriver get() { |
| if (DroidDrivers.driver == null) { |
| throw new DroidDriverException("init() has not been called"); |
| } |
| return DroidDrivers.driver; |
| } |
| |
| /** |
| * Initializes the singleton driver. The singleton driver is NOT required, but |
| * it is handy and using a singleton driver can avoid memory leak if you have |
| * many instances around (for example, one in every test -- JUnit framework |
| * keeps the test instances in memory after running them). |
| */ |
| public static void init(DroidDriver driver) { |
| if (DroidDrivers.driver != null) { |
| throw new DroidDriverException("init() can only be called once"); |
| } |
| DroidDrivers.driver = driver; |
| } |
| |
| /** |
| * Initializes for the convenience methods {@link #getInstrumentation()} and |
| * {@link #getOptions()}. Called by |
| * {@link com.google.android.droiddriver.runner.TestRunner}. If a custom |
| * runner is used, this method must be called appropriately, otherwise the two |
| * convenience methods won't work. |
| */ |
| public static void initInstrumentation(Instrumentation instrumentation, Bundle arguments) { |
| if (DroidDrivers.instrumentation != null) { |
| throw new DroidDriverException("DroidDrivers.initInstrumentation() can only be called once"); |
| } |
| DroidDrivers.instrumentation = instrumentation; |
| DroidDrivers.options = arguments; |
| } |
| |
| public static Instrumentation getInstrumentation() { |
| return instrumentation; |
| } |
| |
| /** |
| * Gets the <a href= |
| * "http://developer.android.com/tools/testing/testing_otheride.html#AMOptionsSyntax" |
| * >am instrument options</a>. |
| */ |
| public static Bundle getOptions() { |
| return options; |
| } |
| |
| /** |
| * Returns whether the running target (device or emulator) has |
| * {@link android.app.UiAutomation} API, which is introduced in SDK API 18 |
| * (JELLY_BEAN_MR2). |
| */ |
| public static boolean hasUiAutomation() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2; |
| } |
| |
| /** |
| * Returns a new DroidDriver instance. If am instrument options have "driver", |
| * treat it as the fully-qualified-class-name and create a new instance of it |
| * with {@code instrumentation} as the argument; otherwise a new |
| * platform-dependent default DroidDriver instance. |
| */ |
| public static DroidDriver newDriver(Instrumentation instrumentation) { |
| String driverClass = options == null ? null : options.getString("driver"); |
| if (driverClass != null) { |
| try { |
| return (DroidDriver) Class.forName(driverClass).getConstructor(Instrumentation.class) |
| .newInstance(instrumentation); |
| } catch (ClassNotFoundException e) { |
| throw new DroidDriverException(e); |
| } catch (NoSuchMethodException e) { |
| throw new DroidDriverException(e); |
| } catch (InstantiationException e) { |
| throw new DroidDriverException(e); |
| } catch (IllegalAccessException e) { |
| throw new DroidDriverException(e); |
| } catch (IllegalArgumentException e) { |
| throw new DroidDriverException(e); |
| } catch (InvocationTargetException e) { |
| throw new DroidDriverException(e); |
| } |
| } |
| |
| // If "driver" is not specified, return default. |
| if (hasUiAutomation()) { |
| return newUiAutomationDriver(instrumentation); |
| } |
| return newInstrumentationDriver(instrumentation); |
| } |
| |
| /** Returns a new InstrumentationDriver */ |
| public static InstrumentationDriver newInstrumentationDriver(Instrumentation instrumentation) { |
| return new InstrumentationDriver(instrumentation); |
| } |
| |
| /** Returns a new UiAutomationDriver */ |
| public static UiAutomationDriver newUiAutomationDriver(Instrumentation instrumentation) { |
| if (!hasUiAutomation()) { |
| throw new DroidDriverException("UiAutomation is not available below API 18. " |
| + "See http://developer.android.com/reference/android/app/UiAutomation.html"); |
| } |
| if (instrumentation.getUiAutomation() == null) { |
| throw new DroidDriverException( |
| "uiAutomation==null: did you forget to set '-w' flag for 'am instrument'?"); |
| } |
| return new UiAutomationDriver(instrumentation); |
| } |
| } |