trunk/components/camel-flatpack/src/test/java/org/apache/camel/component/flatpack/FlatpackFixedLengthDataFormatTest.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.flatpack;

import java.io.File;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.converter.IOConverter;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.apache.camel.util.CastUtils;
import org.junit.Test;
import org.springframework.core.io.ClassPathResource;

/**
 * Unit test for fixed length DataFormat.
 */
public class FlatpackFixedLengthDataFormatTest extends CamelTestSupport {

    @Test
    public void testUnmarshal() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:unmarshal");
        // by default we get on big message
        mock.expectedMessageCount(1);
        mock.message(0).body().isInstanceOf(DataSetList.class);

        String data = IOConverter.toString(new File("src/test/data/fixed/PEOPLE-FixedLength.txt").getAbsoluteFile(), null);

        template.sendBody("direct:unmarshal", data);
        assertMockEndpointsSatisfied();

        DataSetList list = mock.getExchanges().get(0).getIn().getBody(DataSetList.class);
        assertEquals(4, list.size());
        Map<String, String> row = CastUtils.cast(list.get(0));
        assertEquals("JOHN", row.get("FIRSTNAME"));
    }

    @Test
    public void testMarshalWithDefinition() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:marshal");
        // by default we get on big message
        mock.expectedMessageCount(1);

        List<Map<String, Object>> data = new ArrayList<Map<String, Object>>();
        Map<String, Object> row = new LinkedHashMap<String, Object>();
        row.put("FIRSTNAME", "JOHN");
        row.put("LASTNAME", "DOE");
        row.put("ADDRESS", "1234 CIRCLE CT");
        row.put("CITY", "ELYRIA");
        row.put("STATE", "OH");
        row.put("ZIP", "44035");
        data.add(row);

        template.sendBody("direct:marshal", data);
        assertMockEndpointsSatisfied();

        String s = mock.getExchanges().get(0).getIn().getBody(String.class);
        assertTrue(s.startsWith("JOHN                               DOE"));
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() throws Exception {
                FlatpackDataFormat df = new FlatpackDataFormat();
                df.setDefinition(new ClassPathResource("PEOPLE-FixedLength.pzmap.xml"));
                df.setFixed(true);
                df.setIgnoreFirstRecord(false);

                from("direct:unmarshal").unmarshal(df).to("mock:unmarshal");

                // with the definition
                from("direct:marshal").marshal(df).convertBodyTo(String.class).to("mock:marshal");
            }
        };
    }
}