Merge "Add KeyboardTextsSetTests"

/*

 * Copyright (C) 2014 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.inputmethod.keyboard.internal;

import android.content.Context;

import android.content.res.Resources;

import android.test.AndroidTestCase;

import android.test.suitebuilder.annotation.SmallTest;

import android.view.inputmethod.InputMethodInfo;

import android.view.inputmethod.InputMethodSubtype;

import com.android.inputmethod.latin.RichInputMethodManager;

import com.android.inputmethod.latin.utils.CollectionUtils;

import com.android.inputmethod.latin.utils.RunInLocale;

import com.android.inputmethod.latin.utils.SubtypeLocaleUtils;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import java.util.Locale;

@SmallTest

public final class KeyboardTextsSetTests extends AndroidTestCase {

    // All input method subtypes of LatinIME.

    private List<InputMethodSubtype> mAllSubtypesList;

    @Override

    protected void setUp() throws Exception {

        super.setUp();

        RichInputMethodManager.init(getContext());

        final RichInputMethodManager richImm = RichInputMethodManager.getInstance();

        final ArrayList<InputMethodSubtype> allSubtypesList = CollectionUtils.newArrayList();

        final InputMethodInfo imi = richImm.getInputMethodInfoOfThisIme();

        final int subtypeCount = imi.getSubtypeCount();

        for (int index = 0; index < subtypeCount; index++) {

            final InputMethodSubtype subtype = imi.getSubtypeAt(index);

            allSubtypesList.add(subtype);

        }

        mAllSubtypesList = Collections.unmodifiableList(allSubtypesList);

    }

    // Test that the text {@link KeyboardTextsSet#SWITCH_TO_ALPHA_KEY_LABEL} exists for all

    // subtypes. The text is needed to implement Emoji Keyboard, see

    // {@link KeyboardSwitcher#setEmojiKeyboard()}.

    public void testSwitchToAlphaKeyLabel() {

        final KeyboardTextsSet textsSet = new KeyboardTextsSet();

        for (final InputMethodSubtype subtype : mAllSubtypesList) {

            final Locale locale = SubtypeLocaleUtils.getSubtypeLocale(subtype);

            textsSet.setLocale(locale);

            final String switchToAlphaKeyLabel = textsSet.getText(

                    KeyboardTextsSet.SWITCH_TO_ALPHA_KEY_LABEL);

            assertNotNull("Switch to alpha key label of " + locale, switchToAlphaKeyLabel);

            assertFalse("Switch to alpha key label of " + locale, switchToAlphaKeyLabel.isEmpty());

        }

    }

    private static final String[] TEXT_NAMES_FROM_RESOURCE = {

        // Labels for action.

        "label_go_key",

        "label_send_key",

        "label_next_key",

        "label_done_key",

        "label_previous_key",

        // Other labels.

        "label_pause_key",

        "label_wait_key",

    };

    // Test that the text from resources are correctly loaded for all subtypes.

    public void testTextFromResources() {

        final Context context = getContext();

        final KeyboardTextsSet textsSet = new KeyboardTextsSet();

        for (final InputMethodSubtype subtype : mAllSubtypesList) {

            final Locale locale = SubtypeLocaleUtils.getSubtypeLocale(subtype);

            textsSet.setLocale(locale);

            final RunInLocale<Void> job = new RunInLocale<Void>() {

                @Override

                protected Void job(final Resources res) {

                    textsSet.loadStringResources(context);

                    return null;

                }

            };

            job.runInLocale(context.getResources(), locale);

            for (final String name : TEXT_NAMES_FROM_RESOURCE) {

                final String text = textsSet.getText(name);

                assertNotNull(name + " of " + locale, text);

                assertFalse(name + " of " + locale, text.isEmpty());

            }

        }

    }

}