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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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.android.contacts;
import android.app.Activity;
import android.app.Instrumentation;
import android.content.Context;
import android.os.Bundle;
import android.os.Debug;
import android.support.test.InstrumentationRegistry;
import android.util.Log;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Runs a single static method specified via the arguments.
*
* Useful for manipulating the app state during manual testing. If the class argument is omitted
* this class will attempt to invoke a method in
* {@link com.android.contacts.tests.AdbHelpers}
*
* Valid signatures: void f(Context, Bundle), void f(Context), void f()
*
* Example usage:
* $ adb shell am instrument -e class com.android.contacts.Foo -e method bar -e someArg someValue\
* -w com.google.android.contacts.tests/com.android.contacts.RunMethodInstrumentation
*/
public class RunMethodInstrumentation extends Instrumentation {
private static final String TAG = "RunMethod";
private static final String DEFAULT_CLASS = "AdbHelpers";
private String className;
private String methodName;
private Bundle args;
@Override
public void onCreate(Bundle arguments) {
super.onCreate(arguments);
InstrumentationRegistry.registerInstance(this, arguments);
className = arguments.getString("class", getContext().getPackageName() + "." +
DEFAULT_CLASS);
methodName = arguments.getString("method");
args = arguments;
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG, "Running " + className + "." + methodName);
Log.d(TAG, "args=" + args);
}
if (arguments.containsKey("debug") && Boolean.parseBoolean(arguments.getString("debug"))) {
Debug.waitForDebugger();
}
start();
}
@Override
public void onStart() {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG, "onStart");
}
super.onStart();
if (className == null || methodName == null) {
Log.e(TAG, "Must supply class and method");
finish(Activity.RESULT_CANCELED, null);
return;
}
// Wait for the Application to finish creating.
runOnMainSync(new Runnable() {
@Override
public void run() {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG, "acquired main thread from instrumentation");
}
}
});
try {
invokeMethod(args, className, methodName);
} catch (Exception e) {
e.printStackTrace();
finish(Activity.RESULT_CANCELED, null);
return;
}
// Maybe should let the method determine when this is called.
finish(Activity.RESULT_OK, null);
}
private void invokeMethod(Bundle args, String className, String methodName) throws
InvocationTargetException, IllegalAccessException, NoSuchMethodException,
ClassNotFoundException {
Context context;
Class<?> clazz = null;
try {
// Try to load from App's code
clazz = getTargetContext().getClassLoader().loadClass(className);
context = getTargetContext();
} catch (Exception e) {
// Try to load from Test App's code
clazz = getContext().getClassLoader().loadClass(className);
context = getContext();
}
Object[] methodArgs = null;
Method method = null;
try {
method = clazz.getMethod(methodName, Context.class, Bundle.class);
methodArgs = new Object[] { context, args };
} catch (NoSuchMethodException e) {
}
if (method != null) {
method.invoke(clazz, methodArgs);
return;
}
try {
method = clazz.getMethod(methodName, Context.class);
methodArgs = new Object[] { context };
} catch (NoSuchMethodException e) {
}
if (method != null) {
method.invoke(clazz, methodArgs);
return;
}
method = clazz.getMethod(methodName);
method.invoke(clazz);
}
}
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