Merge "Add tests for DeviceConfigServiceManager" into udc-dev

/*

 * Copyright (C) 2023 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 android.provider;

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

import static org.junit.Assert.assertThrows;

import static org.junit.Assume.assumeTrue;

import android.platform.test.annotations.Presubmit;

import androidx.test.filters.SmallTest;

import androidx.test.runner.AndroidJUnit4;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

/**

 * Class that tests the APIs of DeviceConfigServiceManager.ServiceRegisterer.

 */

@Presubmit

@RunWith(AndroidJUnit4.class)

@SmallTest

public class DeviceConfigServiceManagerTest {

    private static final String SERVICE_NAME = "device_config_updatable";

    private DeviceConfigServiceManager.ServiceRegisterer mRegisterer;

    @Before

    public void setUp() {

        mRegisterer = new DeviceConfigServiceManager.ServiceRegisterer(SERVICE_NAME);

    }

    @Test

    public void testGetOrThrow() throws DeviceConfigServiceManager.ServiceNotFoundException {

        if (UpdatableDeviceConfigServiceReadiness.shouldStartUpdatableService()) {

            assertThat(mRegisterer.getOrThrow()).isNotNull();

        } else {

            assertThrows(DeviceConfigServiceManager.ServiceNotFoundException.class,

                    mRegisterer::getOrThrow);

        }

    }

    @Test

    public void testGet() {

        assumeTrue(UpdatableDeviceConfigServiceReadiness.shouldStartUpdatableService());

        assertThat(mRegisterer.get()).isNotNull();

    }

    @Test

    public void testTryGet() {

        if (UpdatableDeviceConfigServiceReadiness.shouldStartUpdatableService()) {

            assertThat(mRegisterer.tryGet()).isNotNull();

        } else {

            assertThat(mRegisterer.tryGet()).isNull();

        }

    }

}