Merge "[Testing] Use AndroidJUnit4 instead in CarrierSettingsVersionPreferenceControllerTest"

/*

 * Copyright (C) 2020 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.network.telephony;

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

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.os.PersistableBundle;

import android.telephony.CarrierConfigManager;

import androidx.test.core.app.ApplicationProvider;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

@RunWith(AndroidJUnit4.class)

public class CarrierSettingsVersionPreferenceControllerTest {

    @Mock

    private CarrierConfigManager mCarrierConfigManager;

    private CarrierSettingsVersionPreferenceController mController;

    private int mSubscriptionId = 1234;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        Context context = spy(ApplicationProvider.getApplicationContext());

        when(context.getSystemService(CarrierConfigManager.class)).thenReturn(mCarrierConfigManager);

        mController = new CarrierSettingsVersionPreferenceController(context, "mock_key");

        mController.init(mSubscriptionId);

    }

    @Test

    public void getSummary_nullConfig_noCrash() {

        doReturn(null).when(mCarrierConfigManager).getConfigForSubId(mSubscriptionId);

        assertThat(mController.getSummary()).isNull();

    }

    @Test

    public void getSummary_nullVersionString_noCrash() {

        doReturn(new PersistableBundle()).when(mCarrierConfigManager)

                .getConfigForSubId(mSubscriptionId);

        assertThat(mController.getSummary()).isNull();

    }

    @Test

    public void getSummary_hasVersionString_correctSummary() {

        final PersistableBundle bundle = new PersistableBundle();

        bundle.putString(CarrierConfigManager.KEY_CARRIER_CONFIG_VERSION_STRING,

                "test_version_123");

        doReturn(bundle).when(mCarrierConfigManager).getConfigForSubId(mSubscriptionId);

        assertThat(mController.getSummary()).isEqualTo("test_version_123");

    }

}