Add test for TileUtils.

/*

 * Copyright (C) 2016 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.settingslib.drawer;

import android.content.Context;

import android.content.Intent;

import android.content.pm.ActivityInfo;

import android.content.pm.ApplicationInfo;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import android.os.Bundle;

import android.os.UserHandle;

import android.util.ArrayMap;

import android.util.Pair;

import com.android.settingslib.TestConfig;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import org.robolectric.RobolectricTestRunner;

import org.robolectric.annotation.Config;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

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

import static org.mockito.Matchers.anyInt;

import static org.mockito.Matchers.eq;

import static org.mockito.Mockito.when;

@RunWith(RobolectricTestRunner.class)

@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)

public class TileUtilsTest {

    @Mock

    private Context mContext;

    @Mock

    private PackageManager mPackageManager;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        when(mContext.getPackageManager()).thenReturn(mPackageManager);

    }

    @Test

    public void getTilesForIntent_shouldParseCategory() {

        final String testCategory = "category1";

        Intent intent = new Intent();

        Map<Pair<String, String>, Tile> addedCache = new ArrayMap<>();

        List<Tile> outTiles = new ArrayList<>();

        List<ResolveInfo> info = new ArrayList<>();

        info.add(newInfo(true, testCategory));

        when(mPackageManager.queryIntentActivitiesAsUser(eq(intent), anyInt(), anyInt()))

                .thenReturn(info);

        TileUtils.getTilesForIntent(mContext, UserHandle.CURRENT, intent, addedCache,

                null /* defaultCategory */, outTiles, false /* usePriority */,

                false /* checkCategory */);

        assertThat(outTiles.size()).isEqualTo(1);

        assertThat(outTiles.get(0).category).isEqualTo(testCategory);

    }

    @Test

    public void getTilesForIntent_shouldSkipNonSystemApp() {

        final String testCategory = "category1";

        Intent intent = new Intent();

        Map<Pair<String, String>, Tile> addedCache = new ArrayMap<>();

        List<Tile> outTiles = new ArrayList<>();

        List<ResolveInfo> info = new ArrayList<>();

        info.add(newInfo(false, testCategory));

        when(mPackageManager.queryIntentActivitiesAsUser(eq(intent), anyInt(), anyInt()))

                .thenReturn(info);

        TileUtils.getTilesForIntent(mContext, UserHandle.CURRENT, intent, addedCache,

                null /* defaultCategory */, outTiles, false /* usePriority */,

                false /* checkCategory */);

        assertThat(outTiles.isEmpty()).isTrue();

    }

    private ResolveInfo newInfo(boolean systemApp, String category) {

        ResolveInfo info = new ResolveInfo();

        info.system = systemApp;

        info.activityInfo = new ActivityInfo();

        info.activityInfo.packageName = "abc";

        info.activityInfo.name = "123";

        info.activityInfo.metaData = new Bundle();

        info.activityInfo.metaData.putString("com.android.settings.category", category);

        info.activityInfo.applicationInfo = new ApplicationInfo();

        return info;

    }

}