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/*-
 * ============LICENSE_START=======================================================
 * VID
 * ================================================================================
 * Copyright (C) 2018 Nokia Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.vid.job.command;


import io.joshworks.restclient.http.HttpResponse;
import org.mockito.Mock;
import org.onap.vid.aai.AaiResponse;
import org.onap.vid.aai.exceptions.InvalidAAIResponseException;
import org.onap.vid.changeManagement.RequestDetailsWrapper;
import org.onap.vid.domain.mso.RequestReferences;
import org.onap.vid.exceptions.MaxRetriesException;
import org.onap.vid.job.Job;
import org.onap.vid.job.NextCommand;
import org.onap.vid.model.RequestReferencesContainer;
import org.onap.vid.model.serviceInstantiation.ServiceInstantiation;
import org.onap.vid.mso.MsoInterface;
import org.onap.vid.mso.model.ServiceInstantiationRequestDetails;
import org.onap.vid.services.AsyncInstantiationBusinessLogic;
import org.onap.vid.services.AuditService;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import java.util.UUID;

import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.mockito.MockitoAnnotations.initMocks;

public class ServiceInstantiationCommandTest {
    @Mock
    private AsyncInstantiationBusinessLogic asyncInstantiationBusinessLogic;

    @Mock
    private MsoInterface msoInterface;

    @Mock
    private AuditService auditService;

    @Mock
    private ServiceInstantiation serviceInstantiation;

    @Mock
    private HttpResponse<RequestReferencesContainer> msoResponse;

    @Mock
    private RequestDetailsWrapper<ServiceInstantiationRequestDetails> requestDetailsWrapper;

    @Mock
    private AaiResponse aaiResponse;

    @Mock
    private RequestReferencesContainer requestReferencesContainer;


    private UUID uuid = UUID.randomUUID();


    private ServiceInstantiationCommand serviceInstantiationCommand;

    @BeforeMethod
    public void setUp() {
        initMocks(this);
        serviceInstantiationCommand = new ServiceInstantiationCommand(asyncInstantiationBusinessLogic, auditService, msoInterface, uuid, serviceInstantiation, "sampleUserId");
    }


    @Test
    public void shouldProperlyHandleMaxRetriesException() {
        when(asyncInstantiationBusinessLogic.generateServiceInstantiationRequest(uuid, serviceInstantiation, "sampleUserId")).thenThrow(new MaxRetriesException("", 2));

        NextCommand call = serviceInstantiationCommand.call();

        assertThat(call.getCommand(), is(nullValue()));
        assertThat(call.getStatus(), is(equalTo(Job.JobStatus.FAILED)));

        verify(asyncInstantiationBusinessLogic).handleFailedInstantiation(uuid);
    }

    @Test
    public void shouldProperlyHandleInvalidAAIResponseException() {
        doThrow(new InvalidAAIResponseException(aaiResponse)).when(asyncInstantiationBusinessLogic).generateServiceInstantiationRequest(uuid, serviceInstantiation, "sampleUserId");

        NextCommand call = serviceInstantiationCommand.call();

        assertThat(call.getCommand(), is(serviceInstantiationCommand));
        assertThat(call.getStatus(), is(equalTo(Job.JobStatus.IN_PROGRESS)));
    }


    @Test
    public void shouldProperlyHandleInvalidSOResponse() {
        when(asyncInstantiationBusinessLogic.generateServiceInstantiationRequest(uuid, serviceInstantiation, "sampleUserId")).thenReturn(requestDetailsWrapper);
        when(asyncInstantiationBusinessLogic.getServiceInstantiationPath(serviceInstantiation)).thenReturn("samplePath");
        when(msoInterface.post("samplePath", requestDetailsWrapper, RequestReferencesContainer.class)).thenReturn(msoResponse);
        when(msoResponse.getStatus()).thenReturn(500);
        when(msoResponse.getBody()).thenReturn(requestReferencesContainer);

        NextCommand call = serviceInstantiationCommand.call();

        assertThat(call.getCommand(), is(nullValue()));
        assertThat(call.getStatus(), is(equalTo(Job.JobStatus.FAILED)));

        verify(auditService).setFailedAuditStatusFromMso(uuid, null, 500, requestReferencesContainer.toString());
    }


    @Test
    public void shouldProperlyUpdateServiceStatusAndReturnInProgressCommand() {
        RequestReferences requestReferences = createRequestReferences();

        when(asyncInstantiationBusinessLogic.generateServiceInstantiationRequest(uuid, serviceInstantiation, "sampleUserId")).thenReturn(requestDetailsWrapper);
        when(asyncInstantiationBusinessLogic.getServiceInstantiationPath(serviceInstantiation)).thenReturn("samplePath");
        when(msoInterface.post("samplePath", requestDetailsWrapper, RequestReferencesContainer.class)).thenReturn(msoResponse);
        when(msoResponse.getStatus()).thenReturn(200);
        when(msoResponse.getBody()).thenReturn(requestReferencesContainer);
        when(requestReferencesContainer.getRequestReferences()).thenReturn(requestReferences);


        NextCommand call = serviceInstantiationCommand.call();

        assertThat(call.getCommand(), instanceOf(InProgressStatusCommand.class));
        assertThat(call.getStatus(), is(equalTo(Job.JobStatus.IN_PROGRESS)));

    }

    private RequestReferences createRequestReferences() {
        RequestReferences requestReferences = new RequestReferences();
        requestReferences.setInstanceId("sampleInstanceId");
        requestReferences.setRequestId("sampleRequestId");
        return requestReferences;
    }
}