/* * Copyright (C) 2023 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.launcher3.util.rule; import androidx.annotation.NonNull; import androidx.test.InstrumentationRegistry; import androidx.test.uiautomator.UiDevice; import com.android.launcher3.tapl.LauncherInstrumentation; import com.android.launcher3.ui.AbstractLauncherUiTest; import org.junit.rules.TestRule; import org.junit.runner.Description; import org.junit.runners.model.Statement; /** * Isolates tests from some of the state created by the previous test. */ public class TestIsolationRule implements TestRule { private final LauncherInstrumentation mLauncher; private final boolean mRequireOneActiveActivity; public TestIsolationRule(LauncherInstrumentation launcher, boolean requireOneActiveActivity) { mLauncher = launcher; mRequireOneActiveActivity = requireOneActiveActivity; } @NonNull @Override public Statement apply(@NonNull Statement base, @NonNull Description description) { return new Statement() { @Override public void evaluate() throws Throwable { base.evaluate(); // Make sure that Launcher workspace looks correct. UiDevice.getInstance(InstrumentationRegistry.getInstrumentation()).pressHome(); AbstractLauncherUiTest.checkDetectedLeaks(mLauncher, mRequireOneActiveActivity); } }; } }