components/camel-fhir/camel-fhir-component/src/test/java/org/apache/camel/component/fhir/Hl7v2PatientToFhirPatientIntegrationTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.camel.component.fhir;

import java.io.ByteArrayInputStream;
import java.nio.charset.Charset;
import ca.uhn.fhir.rest.api.MethodOutcome;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.Test;

/**
 * This test demonstrates how to convert a HL7V2 patient to a FHIR dtsu3 Patient and then insert it into a FHIR server.
 */
public class Hl7v2PatientToFhirPatientIntegrationTest extends AbstractFhirTestSupport {

    /*
    Segment Purpose                 FHIR Resource
    MSH     Message header          MessageHeader
    PID     Patient Identification  Patient
    PV1     Patient Visit           Not used in this example
    PV2     Patient Visit           – Additional data Not used in this example
    ORC     Common Order            Not used in this example
    OBR     Observation             Request Observation
    OBX     Observation             ObservationProvider

    See https://fhirblog.com/2014/10/05/mapping-hl7-version-2-to-fhir-messages for more information
    */
    private static final String HL7_MESSAGE = "MSH|^~\\&|Amalga HIS|BUM|New Tester|MS|20111121103141||ORU^R01|2847970-2"
            + "01111211031|P|2.4|||AL|NE|764|ASCII|||\r"
            + "PID||100005056|100005056||Freeman^Vincent^\"\"^^\"\"|\"\"|19810813000000|F||CA|Street 1^\"\"^\"\"^\"\"^34000^SGP^^"
            + "\"\"~\"\"^\"\"^\"\"^\"\"^Danling Street 5th^THA^^\"\"||326-2275^PRN^PH^^66^675~476-5059^ORN^CP^^66^359~(123)"
            + "456-7890^ORN^FX^^66^222~^NET^X.400^a@a.a~^NET^X.400^dummy@hotmail.com|(123)456-7890^WPN^PH^^66|UNK|S|BUD||BP000111899|"
            + "D99999^\"\"||CA|Bangkok|||THA||THA|\"\"|N\r"
            + "PV1||OPD   ||||\"\"^\"\"^\"\"||||CNSLT|||||C|VIP|||6262618|PB1||||||||||||||||||||||||20101208134638\r"
            + "PV2|||^Unknown|\"\"^\"\"||||\"\"|\"\"|0||\"\"|||||||||||||||||||||||||||||HP1\r"
            + "ORC|NW|\"\"|BMC1102771601|\"\"|CM||^^^^^\"\"|||||||||\"\"^\"\"^^^\"\"\r"
            + "OBR|1|\"\"|BMC1102771601|\"\"^Brain (CT)||20111028124215||||||||||||||||||CTSCAN|F||^^^^^ROUTINE|||\"\"||||||\"\"|||||||||||^\"\"\r"
            + "OBX|1|FT|\"\"^Brain (CT)||++++ text of report goes here +++|||REQAT|||FINAL|||20111121103040||75929^Gosselin^Angelina";

    @Test
    public void testUnmarshalWithExplicitUTF16Charset() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.setExpectedMessageCount(1);

        // Message with explicit encoding in MSH
        String charset = "ASCII";
        byte[] body = HL7_MESSAGE.getBytes(Charset.forName(charset));
        template.sendBodyAndHeader("direct:input", new ByteArrayInputStream(body), Exchange.CHARSET_NAME, charset);

        mock.assertIsSatisfied();

        MethodOutcome result = mock.getExchanges().get(0).getIn().getBody(MethodOutcome.class);
        assertNotNull("resource result", result);
        assertTrue(result.getCreated());
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() throws Exception {
                Processor patientProcessor = new PatientProcessor();
                from("direct:input")
                    .unmarshal().hl7()
                    .process(patientProcessor)
                    .to("fhir://create/resource?inBody=resource")
                    .to("mock:result");
            }
        };
    }
}