server/src/test/java/org/onap/usecaseui/server/service/lcm/impl/DefaultCustomerServiceTest.java


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/**
 * Copyright 2016-2017 ZTE Corporation.
 *
 * 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 org.onap.usecaseui.server.service.lcm.impl;

import org.junit.Assert;
import org.junit.Test;
import org.onap.usecaseui.server.service.lcm.CustomerService;
import org.onap.usecaseui.server.service.lcm.domain.aai.AAIService;
import org.onap.usecaseui.server.service.lcm.domain.aai.bean.AAICustomer;
import org.onap.usecaseui.server.service.lcm.domain.aai.bean.AAICustomerRsp;
import org.onap.usecaseui.server.service.lcm.domain.aai.bean.AAIServiceSubscription;
import org.onap.usecaseui.server.service.lcm.domain.aai.bean.ServiceSubscriptionRsp;
import org.onap.usecaseui.server.service.lcm.domain.aai.exceptions.AAIException;
import retrofit2.Call;

import java.util.List;

import static java.util.Collections.singletonList;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.onap.usecaseui.server.util.CallStub.emptyBodyCall;
import static org.onap.usecaseui.server.util.CallStub.failedCall;
import static org.onap.usecaseui.server.util.CallStub.successfulCall;

public class DefaultCustomerServiceTest {

    @Test
    public void itCanRetrieveCustomersFromAAI() {
        List<AAICustomer> customers = singletonList(new AAICustomer("1", "name", "type"));

        AAIService aaiService = mock(AAIService.class);
        AAICustomerRsp rsp = new AAICustomerRsp();
        rsp.setCustomer(customers);
        Call<AAICustomerRsp> call = successfulCall(rsp);
        when(aaiService.listCustomer()).thenReturn(call);

        CustomerService customerService = new DefaultCustomerService(aaiService);
        Assert.assertSame(customers, customerService.listCustomer());
    }

    @Test(expected = AAIException.class)
    public void itWillThrowExceptionWhenAAIIsNotAvailable() {
        AAIService aaiService = mock(AAIService.class);
        Call<AAICustomerRsp> call = failedCall("AAI is not available!");
        when(aaiService.listCustomer()).thenReturn(call);

        CustomerService customerService = new DefaultCustomerService(aaiService);
        customerService.listCustomer();
    }

    @Test
    public void itWillRetrieveEmptyListWhenNoCustomerInAAI() {
        AAIService aaiService = mock(AAIService.class);
        Call<AAICustomerRsp> call = emptyBodyCall();
        when(aaiService.listCustomer()).thenReturn(call);

        CustomerService customerService = new DefaultCustomerService(aaiService);
        List<AAICustomer> customers = customerService.listCustomer();

        Assert.assertTrue("customers should be empty list.", customers.isEmpty());
    }

    @Test
    public void itCanRetrieveServiceSubscriptionsFromAAI() {
        List<AAIServiceSubscription> serviceSubscriptions = singletonList(new AAIServiceSubscription("service type"));

        AAIService aaiService = mock(AAIService.class);
        ServiceSubscriptionRsp rsp = new ServiceSubscriptionRsp();
        rsp.setServiceSubscriptions(serviceSubscriptions);
        Call<ServiceSubscriptionRsp> call = successfulCall(rsp);
        when(aaiService.listServiceSubscriptions("1")).thenReturn(call);

        CustomerService customerService = new DefaultCustomerService(aaiService);
        Assert.assertSame(serviceSubscriptions, customerService.listServiceSubscriptions("1"));
    }

    @Test(expected = AAIException.class)
    public void listServiceSubscriptionsWillThrowExceptionWhenAAIIsNotAvailable() {
        AAIService aaiService = mock(AAIService.class);
        Call<ServiceSubscriptionRsp> call = failedCall("AAI is not available!");
        when(aaiService.listServiceSubscriptions("1")).thenReturn(call);

        CustomerService customerService = new DefaultCustomerService(aaiService);
        customerService.listServiceSubscriptions("1");
    }

    @Test
    public void itWillRetrieveEmptyListWhenNoServiceSubscriptionsInAAI() {
        AAIService aaiService = mock(AAIService.class);
        Call<ServiceSubscriptionRsp> call = emptyBodyCall();
        when(aaiService.listServiceSubscriptions("1")).thenReturn(call);

        CustomerService customerService = new DefaultCustomerService(aaiService);
        List<AAIServiceSubscription> serviceSubscriptions = customerService.listServiceSubscriptions("1");

        Assert.assertTrue("service subscription should be empty list.", serviceSubscriptions.isEmpty());
    }
}