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/*
* Copyright (C) 2019 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 android.platform.test.rule;
import android.os.SystemClock;
import androidx.annotation.VisibleForTesting;
import androidx.test.uiautomator.By;
import androidx.test.uiautomator.Until;
import org.junit.runner.Description;
/** This rule opens apps then goes to home before a test class. */
public class QuickstepPressureRule extends TestWatcher {
private static final long MIN_CRASH_WAIT_TIMEOUT = 2500;
private static final long UI_RESPONSE_TIMEOUT_MSECS = 10000;
private final String[] mPackages;
public QuickstepPressureRule(String... packages) {
if (packages.length == 0) {
throw new IllegalArgumentException("Must supply an application to open.");
}
mPackages = packages;
}
@Override
protected void starting(Description description) {
// Start each app in sequence.
for (String pkg : mPackages) {
startActivity(pkg);
}
// Press the home button.
getUiDevice().pressHome();
}
/** Launches the specified activity and keeps it open briefly. */
@VisibleForTesting
void startActivity(String pkg) {
// Open the application and ensure it reaches the foreground.
getContext().startActivity(getContext().getPackageManager().getLaunchIntentForPackage(pkg));
if (!getUiDevice().wait(Until.hasObject(By.pkg(pkg).depth(0)), UI_RESPONSE_TIMEOUT_MSECS)) {
throw new RuntimeException("Application not found in foreground.");
}
// Ensure the app doesn't immediately crash in the foreground.
SystemClock.sleep(MIN_CRASH_WAIT_TIMEOUT);
}
}
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