nearby/tests/unit/src/com/android/server/nearby/fastpair/cache/FastPairCacheManagerTest.java

/*
 * Copyright (C) 2021 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.server.nearby.fastpair.cache;

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

import static org.mockito.Mockito.when;

import android.bluetooth.le.ScanResult;
import android.content.Context;

import androidx.test.core.app.ApplicationProvider;
import androidx.test.filters.SdkSuppress;

import com.google.protobuf.ByteString;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import service.proto.Cache;

public class FastPairCacheManagerTest {

    private static final String MODEL_ID = "001";
    private static final String MODEL_ID2 = "002";
    private static final String APP_NAME = "APP_NAME";
    private static final String MAC_ADDRESS = "00:11:22:33";
    private static final ByteString ACCOUNT_KEY = ByteString.copyFromUtf8("axgs");
    private static final String MAC_ADDRESS_B = "00:11:22:44";
    private static final ByteString ACCOUNT_KEY_B = ByteString.copyFromUtf8("axgb");

    @Mock
    DiscoveryItem mDiscoveryItem;
    @Mock
    DiscoveryItem mDiscoveryItem2;
    @Mock
    Cache.StoredFastPairItem mStoredFastPairItem;
    @Mock
    ScanResult mScanResult;

    Context mContext;
    Cache.StoredDiscoveryItem mStoredDiscoveryItem = Cache.StoredDiscoveryItem.newBuilder()
            .setTriggerId(MODEL_ID)
            .setAppName(APP_NAME).build();
    Cache.StoredDiscoveryItem mStoredDiscoveryItem2 = Cache.StoredDiscoveryItem.newBuilder()
            .setTriggerId(MODEL_ID2)
            .setAppName(APP_NAME).build();

    @Before
    public void setup() {
        MockitoAnnotations.initMocks(this);
        mContext = ApplicationProvider.getApplicationContext();
    }

    @Test
    @SdkSuppress(minSdkVersion = 32, codeName = "T")
    public void notSaveRetrieveInfo() {
        when(mDiscoveryItem.getCopyOfStoredItem()).thenReturn(mStoredDiscoveryItem);
        when(mDiscoveryItem.getTriggerId()).thenReturn(MODEL_ID);

        FastPairCacheManager fastPairCacheManager = new FastPairCacheManager(mContext);

        assertThat(fastPairCacheManager.getStoredDiscoveryItem(MODEL_ID).getAppName())
                .isNotEqualTo(APP_NAME);
    }

    @Test
    @SdkSuppress(minSdkVersion = 32, codeName = "T")
    public void saveRetrieveInfo() {
        when(mDiscoveryItem.getCopyOfStoredItem()).thenReturn(mStoredDiscoveryItem);
        when(mDiscoveryItem.getTriggerId()).thenReturn(MODEL_ID);
        when(mDiscoveryItem2.getCopyOfStoredItem()).thenReturn(mStoredDiscoveryItem2);
        when(mDiscoveryItem2.getTriggerId()).thenReturn(MODEL_ID2);

        FastPairCacheManager fastPairCacheManager = new FastPairCacheManager(mContext);
        fastPairCacheManager.saveDiscoveryItem(mDiscoveryItem);
        assertThat(fastPairCacheManager.getStoredDiscoveryItem(MODEL_ID).getAppName())
                .isEqualTo(APP_NAME);
        assertThat(fastPairCacheManager.getAllSavedStoreDiscoveryItem()).hasSize(1);

        fastPairCacheManager.saveDiscoveryItem(mDiscoveryItem2);
        assertThat(fastPairCacheManager.getStoredDiscoveryItem(MODEL_ID2).getAppName())
                .isEqualTo(APP_NAME);
        assertThat(fastPairCacheManager.getAllSavedStoreDiscoveryItem()).hasSize(2);
        fastPairCacheManager.cleanUp();
    }

    @Test
    @SdkSuppress(minSdkVersion = 32, codeName = "T")
    public void saveRetrieveInfoStoredFastPairItem() {
        Cache.StoredFastPairItem storedFastPairItem = Cache.StoredFastPairItem.newBuilder()
                .setMacAddress(MAC_ADDRESS)
                .setAccountKey(ACCOUNT_KEY)
                .build();


        FastPairCacheManager fastPairCacheManager = new FastPairCacheManager(mContext);
        fastPairCacheManager.putStoredFastPairItem(storedFastPairItem);

        assertThat(fastPairCacheManager.getStoredFastPairItemFromMacAddress(
                MAC_ADDRESS).getAccountKey())
                .isEqualTo(ACCOUNT_KEY);
    }

    @Test
    @SdkSuppress(minSdkVersion = 32, codeName = "T")
    public void checkGetAllFastPairItems() {
        Cache.StoredFastPairItem storedFastPairItem = Cache.StoredFastPairItem.newBuilder()
                .setMacAddress(MAC_ADDRESS)
                .setAccountKey(ACCOUNT_KEY)
                .build();
        Cache.StoredFastPairItem storedFastPairItemB = Cache.StoredFastPairItem.newBuilder()
                .setMacAddress(MAC_ADDRESS_B)
                .setAccountKey(ACCOUNT_KEY_B)
                .build();

        FastPairCacheManager fastPairCacheManager = new FastPairCacheManager(mContext);
        fastPairCacheManager.putStoredFastPairItem(storedFastPairItem);
        fastPairCacheManager.putStoredFastPairItem(storedFastPairItemB);

        assertThat(fastPairCacheManager.getAllSavedStoredFastPairItem().size())
                .isEqualTo(2);

        fastPairCacheManager.removeStoredFastPairItem(MAC_ADDRESS_B);

        assertThat(fastPairCacheManager.getAllSavedStoredFastPairItem().size())
                .isEqualTo(1);

        fastPairCacheManager.cleanUp();
    }

    @Test
    @SdkSuppress(minSdkVersion = 32, codeName = "T")
    public void getDeviceFromScanResult_notCrash() {
        FastPairCacheManager fastPairCacheManager = new FastPairCacheManager(mContext);
        fastPairCacheManager.getDeviceFromScanResult(mScanResult);

    }
}