tests/unit/src/com/android/settings/dashboard/DashboardSummaryInstrumentationTest.java

/*
 * Copyright (C) 2018 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.settings.dashboard;

import static com.google.common.truth.Truth.assertThat;

import android.app.Activity;
import android.app.Fragment;
import android.app.Instrumentation;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.provider.Settings;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.support.test.uiautomator.By;
import android.support.test.uiautomator.UiDevice;
import android.support.test.uiautomator.UiObject2;
import android.support.test.uiautomator.Until;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.util.List;

@RunWith(AndroidJUnit4.class)
@SmallTest
public class DashboardSummaryInstrumentationTest {

    private static final long TIMEOUT = 2000l;

    private Context mContext;
    private Instrumentation mInstrumentation;

    private UiDevice mDevice;

    @Before
    public void setUp() {
        mInstrumentation = InstrumentationRegistry.getInstrumentation();
        mDevice = UiDevice.getInstance(mInstrumentation);
        mContext = InstrumentationRegistry.getTargetContext();
    }

    @Test
    public void rotate_shouldSaveCategoriesChangedState() {
        final Intent intent = new Intent(Settings.ACTION_SETTINGS)
                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        final Activity activity = mInstrumentation.startActivitySync(intent);

        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

        final UiObject2 item = mDevice.wait(Until.findObject(By.res("android:id/title")
                .text("Network & internet")), TIMEOUT);
        assertThat(item).isNotNull();

        final List<Fragment> fragments = activity.getFragmentManager().getFragments();
        final DashboardSummary fragment = (DashboardSummary) fragments.get(0);

        assertThat(fragment.mIsOnCategoriesChangedCalled).isTrue();
    }

}