biz.c24.io.spring.integration.config.ValidatingSelectorTests.java Source code

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/*
 * Copyright 2011 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 biz.c24.io.spring.integration.config;

import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;

import java.util.ListIterator;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageHandlingException;
import org.springframework.integration.core.MessagingTemplate;
import org.springframework.messaging.PollableChannel;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import biz.c24.io.api.data.ValidationEvent;
import biz.c24.io.examples.models.basic.Employee;
import biz.c24.io.spring.integration.validation.C24AggregatedMessageValidationException;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("validating-selector.xml")
public class ValidatingSelectorTests extends BaseIntegrationTest {

    @Autowired
    @Qualifier("textInputChannel")
    MessageChannel textInputChannel;

    @Autowired
    @Qualifier("exceptionThrowingInputChannel")
    MessageChannel exceptionThrowingInputChannel;

    private MessagingTemplate template;

    @Autowired
    @Qualifier("validChannel")
    PollableChannel validChannel;

    @Autowired
    @Qualifier("invalidChannel")
    PollableChannel invalidChannel;

    @Before
    public void before() {
        template = new MessagingTemplate(textInputChannel);
    }

    @Test
    public void testValid() {
        Employee employee = new Employee();
        employee.setSalutation("Mr");
        employee.setFirstName("Andy");
        employee.setLastName("Acheson");
        employee.setJobTitle("Software Developer");

        template.convertAndSend(employee);

        @SuppressWarnings("unchecked")
        Message<Employee> result = (Message<Employee>) validChannel.receive(1);

        assertThat(result, is(not(nullValue())));
        assertThat(result.getPayload(), is(Employee.class));

        // Make sure there are no other messages floating around
        assertThat(validChannel.receive(1), is(nullValue()));
        assertThat(invalidChannel.receive(1), is(nullValue()));
    }

    @Test
    public void testInvalid() {
        Employee employee = new Employee();
        employee.setSalutation("Mr");
        // Invalid as first char not capitalised
        employee.setFirstName("andy");
        employee.setLastName("Acheson");
        // Invalid as no job title
        //employee.setJobTitle("Software Developer");

        template.convertAndSend(employee);

        @SuppressWarnings("unchecked")
        Message<Employee> result = (Message<Employee>) invalidChannel.receive(1);

        assertThat(result, is(not(nullValue())));
        assertThat(result.getPayload(), is(Employee.class));

        // Make sure there are no other messages floating around
        assertThat(validChannel.receive(1), is(nullValue()));
        assertThat(invalidChannel.receive(1), is(nullValue()));

    }

    @Test
    public void testThrowingInvalid() {
        Employee employee = new Employee();
        employee.setSalutation("Mr");
        // Invalid as first char not capitalised
        employee.setFirstName("andy");
        employee.setLastName("Acheson");
        // Invalid as no job title
        //employee.setJobTitle("Software Developer");

        try {
            template.convertAndSend(exceptionThrowingInputChannel, employee);
            fail("Selector failed to throw exception on invalid message");
        } catch (MessageHandlingException ex) {
            // Expected behaviour
            assertThat(ex.getCause(), is(C24AggregatedMessageValidationException.class));
            C24AggregatedMessageValidationException vEx = (C24AggregatedMessageValidationException) ex.getCause();
            ListIterator<ValidationEvent> failures = vEx.getFailEvents();
            int failureCount = 0;
            while (failures.hasNext()) {
                failureCount++;
                failures.next();
            }
            assertThat(failureCount, is(2));

        }

        // Make sure there are no other messages floating around
        assertThat(validChannel.receive(1), is(nullValue()));
        assertThat(invalidChannel.receive(1), is(nullValue()));

    }

}