tests/functional/com/android/documentsui/KeyboardNavigationUiTest.java

/*
 * Copyright (C) 2015 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.documentsui;

import android.os.RemoteException;
import android.view.KeyEvent;

import androidx.test.filters.LargeTest;
import androidx.test.filters.Suppress;

import com.android.documentsui.files.FilesActivity;

@LargeTest
public class KeyboardNavigationUiTest extends ActivityTest<FilesActivity> {

    public KeyboardNavigationUiTest() {
        super(FilesActivity.class);
    }

    @Override
    public void setUp() throws Exception {
        super.setUp();
        initTestFiles();
    }

    @Override
    public void initTestFiles() throws RemoteException {
        mDocsHelper.createDocument(rootDir0, "image/png", "file1.png");
    }

    // Tests that pressing tab switches focus between the roots and directory listings.
    @Suppress
    public void testKeyboard_tab() throws Exception {
        bots.keyboard.pressKey(KeyEvent.KEYCODE_TAB);
        bots.roots.assertHasFocus();
        bots.keyboard.pressKey(KeyEvent.KEYCODE_TAB);
        bots.directory.assertHasFocus();
    }

    // Tests that arrow keys do not switch focus away from the dir list.
    @Suppress
    public void testKeyboard_arrowsDirList() throws Exception {
        for (int i = 0; i < 10; i++) {
            bots.keyboard.pressKey(KeyEvent.KEYCODE_DPAD_LEFT);
            bots.directory.assertHasFocus();
        }
        for (int i = 0; i < 10; i++) {
            bots.keyboard.pressKey(KeyEvent.KEYCODE_DPAD_RIGHT);
            bots.directory.assertHasFocus();
        }
    }

    @Suppress
    public void testKeyboard_tabFocuses() throws Exception {
        bots.roots.closeDrawer();
        if (bots.main.inFixedLayout()) {
            // Tablet devices need to press one more tab since it focuses on root list first
            bots.keyboard.pressKey(KeyEvent.KEYCODE_TAB);
        }
        bots.keyboard.pressKey(KeyEvent.KEYCODE_TAB);
        bots.directory.assertFirstDocumentHasFocus();

        // This should not cause any exceptions
        bots.keyboard.pressKey(KeyEvent.KEYCODE_F);
    }

    // Tests that arrow keys do not switch focus away from the roots list.
    public void testKeyboard_arrowsRootsList() throws Exception {

        // Open the drawer so we can ensure root list available even for phones
        bots.roots.openDrawer();

        bots.keyboard.pressKey(KeyEvent.KEYCODE_TAB);
        for (int i = 0; i < 10; i++) {
            bots.keyboard.pressKey(KeyEvent.KEYCODE_DPAD_RIGHT);
            bots.roots.assertHasFocus();
        }
        for (int i = 0; i < 10; i++) {
            bots.keyboard.pressKey(KeyEvent.KEYCODE_DPAD_LEFT);
            bots.roots.assertHasFocus();
        }
    }
}