Package org.springframework.batch.item.jms

Source Code of org.springframework.batch.item.jms.JmsItemReaderTests

/*
* Copyright 2006-2007 the original author or authors.
*
* 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.springframework.batch.item.jms;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.util.Date;

import javax.jms.Message;

import org.junit.Test;
import org.springframework.jms.core.JmsOperations;
import org.springframework.jms.core.JmsTemplate;

public class JmsItemReaderTests {

  JmsItemReader<String> itemReader = new JmsItemReader<String>();

  @Test
  public void testNoItemTypeSunnyDay() {
    JmsOperations jmsTemplate = mock(JmsOperations.class);
    when(jmsTemplate.receiveAndConvert()).thenReturn("foo");

    itemReader.setJmsTemplate(jmsTemplate);
    assertEquals("foo", itemReader.read());
  }

  @Test
  public void testSetItemTypeSunnyDay() {
    JmsOperations jmsTemplate = mock(JmsOperations.class);
    when(jmsTemplate.receiveAndConvert()).thenReturn("foo");

    itemReader.setJmsTemplate(jmsTemplate);
    itemReader.setItemType(String.class);
    assertEquals("foo", itemReader.read());
  }

  @Test
  public void testSetItemSubclassTypeSunnyDay() {
    JmsOperations jmsTemplate = mock(JmsOperations.class);

    Date date = new java.sql.Date(0L);
    when(jmsTemplate.receiveAndConvert()).thenReturn(date);

    JmsItemReader<Date> itemReader = new JmsItemReader<Date>();
    itemReader.setJmsTemplate(jmsTemplate);
    itemReader.setItemType(Date.class);
    assertEquals(date, itemReader.read());

  }

  @Test
  public void testSetItemTypeMismatch() {
    JmsOperations jmsTemplate = mock(JmsOperations.class);
    when(jmsTemplate.receiveAndConvert()).thenReturn("foo");

    JmsItemReader<Date> itemReader = new JmsItemReader<Date>();
    itemReader.setJmsTemplate(jmsTemplate);
    itemReader.setItemType(Date.class);
    try {
      itemReader.read();
      fail("Expected IllegalStateException");
    }
    catch (IllegalStateException e) {
      // expected
      assertTrue(e.getMessage().indexOf("wrong type") >= 0);
    }
  }

  @Test
  public void testNextMessageSunnyDay() {
    JmsOperations jmsTemplate = mock(JmsOperations.class);
    Message message = mock(Message.class);
    when(jmsTemplate.receive()).thenReturn(message);

    JmsItemReader<Message> itemReader = new JmsItemReader<Message>();
    itemReader.setJmsTemplate(jmsTemplate);
    itemReader.setItemType(Message.class);
    assertEquals(message, itemReader.read());
  }

  @Test(expected=IllegalArgumentException.class)
  public void testTemplateWithNoDefaultDestination() throws Exception {
    JmsTemplate jmsTemplate = new JmsTemplate();
    jmsTemplate.setReceiveTimeout(100L);
    itemReader.setJmsTemplate(jmsTemplate);   
  }

  @Test(expected=IllegalArgumentException.class)
  public void testTemplateWithNoTimeout() throws Exception {
    JmsTemplate jmsTemplate = new JmsTemplate();
    jmsTemplate.setDefaultDestinationName("foo");
    itemReader.setJmsTemplate(jmsTemplate);   
  }

}
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