ConfigurationResourceTest.java

/**
 * Copyright 2014 Lockheed Martin Corporation
 *
 * 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 streamflow.server.resource;

import com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Scopes;
import com.google.inject.servlet.GuiceFilter;
import com.google.inject.servlet.GuiceServletContextListener;
import com.sun.jersey.guice.JerseyServletModule;
import com.sun.jersey.guice.spi.container.servlet.GuiceContainer;
import com.sun.jersey.test.framework.JerseyTest;
import com.sun.jersey.test.framework.WebAppDescriptor;
import com.sun.jersey.test.framework.spi.container.TestContainerFactory;
import com.sun.jersey.test.framework.spi.container.grizzly.web.GrizzlyWebTestContainerFactory;
import javax.ws.rs.core.MediaType;
import streamflow.model.config.StreamflowConfig;
import streamflow.model.test.IntegrationTest;
import static org.junit.Assert.*;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.mockito.runners.MockitoJUnitRunner;

@RunWith(MockitoJUnitRunner.class)
@Category(IntegrationTest.class)
public class ConfigurationResourceTest extends JerseyTest {
    
    public static StreamflowConfig streamflowConfig = new StreamflowConfig();

    public ConfigurationResourceTest() {
        super(new WebAppDescriptor.Builder()
                .contextListenerClass(ConfigurationWebConfig.class)
                .filterClass(GuiceFilter.class)
                .build());
    }
    
    @Test
    public void getAppConfiguration() {
        StreamflowConfig responseConfig = resource().path("/api/config/app")
            .accept(MediaType.APPLICATION_JSON).get(StreamflowConfig.class);
        
        assertEquals("Response configuration should match the mocked configuration",
                streamflowConfig, responseConfig);
    }
    
    @Override
    public TestContainerFactory getTestContainerFactory() {
        return new GrizzlyWebTestContainerFactory();
    }
    
    public static class ConfigurationWebConfig extends GuiceServletContextListener {
        @Override
        protected Injector getInjector() {
            return Guice.createInjector(new JerseyServletModule() {
                
                @Override
                protected void configureServlets() {
                    bind(StreamflowConfig.class).toInstance(streamflowConfig);
                    bind(ConfigurationResource.class);

                    serve("/api/*").with(GuiceContainer.class);
                    
                    // hook Jackson into Jersey as the POJO <-> JSON mapper
                    bind(JacksonJsonProvider.class).in(Scopes.SINGLETON);
                }
            });
        }
    }

}