com.acme.ModuleConfigurationTest.java Source code

Introduction

Here is the source code for com.acme.ModuleConfigurationTest.java

Source

/*
 * Copyright 2014 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 com.acme;

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

import java.util.Properties;
import java.util.concurrent.atomic.AtomicBoolean;

import org.junit.Test;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.env.PropertiesPropertySource;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.MessagingException;
import org.springframework.messaging.SubscribableChannel;
import org.springframework.messaging.support.GenericMessage;

/**
 * @author David Turanski
 */
public class ModuleConfigurationTest {
    @Test
    public void test() {
        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
        Properties properties = new Properties();
        properties.put("prefix", "foo");
        properties.put("suffix", "bar");
        context.getEnvironment().getPropertySources().addLast(new PropertiesPropertySource("options", properties));
        context.register(TestConfiguration.class);
        context.refresh();

        MessageChannel input = context.getBean("input", MessageChannel.class);
        SubscribableChannel output = context.getBean("output", SubscribableChannel.class);

        final AtomicBoolean handled = new AtomicBoolean();
        output.subscribe(new MessageHandler() {
            @Override
            public void handleMessage(Message<?> message) throws MessagingException {
                handled.set(true);
                assertEquals("foohellobar", message.getPayload());
            }
        });
        input.send(new GenericMessage<String>("hello"));
        assertTrue(handled.get());
    }

    @Configuration
    @Import(ModuleConfiguration.class)
    static class TestConfiguration {
        @Bean
        public static PropertySourcesPlaceholderConfigurer placeHolderConfigurer() {
            PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer = new PropertySourcesPlaceholderConfigurer();
            return propertySourcesPlaceholderConfigurer;
        }
    }
}