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/*
* Copyright (C) 2016 Google Inc.
*
* 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.mobly.snippet;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.os.Bundle;
import android.os.Process;
import android.support.test.runner.AndroidJUnitRunner;
import com.google.android.mobly.snippet.rpc.AndroidProxy;
import com.google.android.mobly.snippet.util.EmptyTestClass;
import com.google.android.mobly.snippet.util.Log;
import com.google.android.mobly.snippet.util.NotificationIdFactory;
import java.io.IOException;
import java.net.SocketException;
/**
* A launcher that starts the snippet server as an instrumentation so that it has access to the
* target app's context.
*
* <p>We have to extend some subclass of {@link android.test.InstrumentationTestRunner} because
* snippets are launched with 'am instrument'. We're specifically extending {@link
* AndroidJUnitRunner} because Espresso requires being called through it, since it sets up {@link
* android.support.test.InstrumentationRegistry} which Espresso requires.
*/
public class SnippetRunner extends AndroidJUnitRunner {
private static final String ARG_ACTION = "action";
private static final String ARG_PORT = "port";
private enum Action {
START,
STOP
};
private static final int NOTIFICATION_ID = NotificationIdFactory.create();
private Bundle mArguments;
private NotificationManager mNotificationManager;
private Notification mNotification;
@Override
public void onCreate(Bundle arguments) {
mArguments = arguments;
// First-run static setup
Log.initLogTag(getContext());
// Prevent this runner from triggering any real JUnit tests in the snippet by feeding it a
// hardcoded empty test class.
mArguments.putString("class", EmptyTestClass.class.getCanonicalName());
mNotificationManager =
(NotificationManager)
getTargetContext().getSystemService(Context.NOTIFICATION_SERVICE);
super.onCreate(mArguments);
}
@Override
public void onStart() {
String actionStr = mArguments.getString(ARG_ACTION);
if (actionStr == null) {
throw new IllegalArgumentException("\"--e action <action>\" was not specified");
}
Action action = Action.valueOf(actionStr.toUpperCase());
switch (action) {
case START:
String servicePort = mArguments.getString(ARG_PORT);
if (servicePort == null) {
throw new IllegalArgumentException("\"--e port <port>\" was not specified");
}
int port = Integer.parseInt(servicePort);
startServer(port);
break;
case STOP:
mNotificationManager.cancel(NOTIFICATION_ID);
mNotificationManager.cancelAll();
super.onStart();
}
}
private void startServer(int port) {
AndroidProxy androidProxy = new AndroidProxy(getContext());
try {
androidProxy.startLocal(port);
} catch (SocketException e) {
if (e.getMessage().equals("Permission denied")) {
throw new RuntimeException(
"Failed to start server on port "
+ port
+ ". No permission to create a socket. Does the *MAIN* app manifest "
+ "declare the INTERNET permission?",
e);
}
throw new RuntimeException("Failed to start server on port " + port, e);
} catch (IOException e) {
throw new RuntimeException("Failed to start server on port " + port, e);
}
createNotification();
Log.i("Snippet server started for process " + Process.myPid() + " on port " + port);
}
private void createNotification() {
Notification.Builder builder = new Notification.Builder(getTargetContext());
builder.setSmallIcon(android.R.drawable.btn_star)
.setTicker(null)
.setWhen(System.currentTimeMillis())
.setContentTitle("Snippet Service");
mNotification = builder.getNotification();
mNotification.flags = Notification.FLAG_NO_CLEAR | Notification.FLAG_ONGOING_EVENT;
mNotificationManager.notify(NOTIFICATION_ID, mNotification);
}
}
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