content: /*
   * 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.dataformat.dfdl;
  
  import java.io.BufferedReader;
  import java.io.InputStreamReader;
  import java.util.stream.Collectors;
  
  import javax.xml.transform.stream.StreamSource;
  
  import org.w3c.dom.Document;
  
  import org.apache.camel.EndpointInject;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.dfdl.DfdlParseException;
  import org.apache.camel.component.dfdl.DfdlUnparseException;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.apache.daffodil.japi.Diagnostic;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.xmlunit.builder.DiffBuilder;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  public class DfdlDataFormatTest extends CamelTestSupport {
      @EndpointInject(value = "mock:result")
      private MockEndpoint mockEndpoint;
  
      @BeforeEach
      public void each() {
          mockEndpoint.reset();
      }
  
      @Test
      public void testParse() throws Exception {
          var template = context.createFluentProducerTemplate();
          template.to("direct:parse")
                  .withBody(context.getClassResolver().loadResourceAsStream("X12-837P-message.edi.txt"))
                  .send();
          mockEndpoint.expectedMessageCount(1);
          var exchange = mockEndpoint.getExchanges().get(0);
          var comp = new StreamSource(context.getClassResolver().loadResourceAsStream("X12-837P-message.xml"));
          var test = exchange.getMessage().getBody(Document.class);
          assertFalse(DiffBuilder
                  .compare(comp)
                  .withTest(test)
                  .ignoreComments().ignoreWhitespace().build().hasDifferences());
      }
  
      @Test
      public void testUnparse() throws Exception {
          var template = context.createFluentProducerTemplate();
          template.to("direct:unparse")
                  .withBody(context.getClassResolver().loadResourceAsStream("X12-837P-message.xml"))
                  .send();
          mockEndpoint.expectedMessageCount(1);
          var exchange = mockEndpoint.getExchanges().get(0);
          var comp = new BufferedReader(
                  new InputStreamReader(
                          context.getClassResolver().loadResourceAsStream("X12-837P-message.edi.txt")))
                  .lines()
                  .toArray(String[]::new);
          var test = exchange.getMessage().getBody(String.class).split("\\r?\\n|\\r");
          assertEquals(comp.length, test.length);
          for (int i = 0; i < test.length; i++) {
              assertEquals(comp[i], test[i], "Line " + i);
          }
      }
  
      @Test
      public void testParseError() throws Exception {
          var template = context.createFluentProducerTemplate();
          var exchange = template.to("direct:parse")
                  .withBody(context.getClassResolver().loadResourceAsStream("X12-837P-message.xml"))
                  .send();
          var exception = exchange.getException();
          assertInstanceOf(DfdlParseException.class, exception);
          var parseResult = ((DfdlParseException) exception).getParseResult();
          var location = parseResult.location();
          assertTrue(location.toString().contains("0"));
          var diagString = parseResult.getDiagnostics()
                  .stream()
                  .map(Diagnostic::getMessage)
                  .collect(Collectors.joining("\n"));
          assertTrue(diagString.contains("initiator 'ISA' not found"));
      }
  
      @Test
      public void testUnparseError() throws Exception {
          var template = context.createFluentProducerTemplate();
          var exchange = template.to("direct:unparse")
                  .withBody("<Unexpected />")
                  .send();
          var exception = exchange.getException();
          assertInstanceOf(DfdlUnparseException.class, exception);
          var unparseResult = ((DfdlUnparseException) exception).getUnparseResult();
          var diagString = unparseResult.getDiagnostics()
                  .stream()
                  .map(Diagnostic::getMessage)
                  .collect(Collectors.joining("\n"));
          assertTrue(diagString.contains("Expected element start event for {}X12_837P"));
          assertTrue(diagString.contains("{}Unexpected"));
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  from("direct:parse")
                          .unmarshal()
                          .dfdl("X12-837P.dfdl.xsd")
                          .to("mock:result");
                  from("direct:unparse")
                          .marshal()
                          .dfdl("X12-837P.dfdl.xsd")
                          .to("mock:result");
              }
          };
      }
  }
  