ResourceLifecycleTest.java

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package com.sun.jersey.impl.lifecycle;

import com.sun.jersey.impl.AbstractResourceTester;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.server.impl.application.WebApplicationImpl;
import com.sun.jersey.api.core.DefaultResourceConfig;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.container.ContainerException;
import com.sun.jersey.api.core.ResourceContext;
import com.sun.jersey.server.impl.resource.PerRequestFactory;
import com.sun.jersey.server.impl.resource.SingletonFactory;
import com.sun.jersey.spi.resource.PerRequest;
import com.sun.jersey.spi.resource.Singleton;
import java.util.HashSet;
import java.util.Set;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;

/**
 *
 * @author Marc Hadley
 */
public class ResourceLifecycleTest extends AbstractResourceTester {
    
    @Path("foo")
    @Singleton
    public static class TestFooBean {
        
        private int count;
        
        public TestFooBean() {
            this.count = 0;
        }
        
        @GET
        public String doGet() {
            count++;
            return Integer.toString(count);
        }
        
    }
    
    @Path("bar")
    @PerRequest
    public static class TestBarBean {
        
        private int count;
        
        public TestBarBean() {
            this.count = 0;
        }
        
        @GET
        public String doGet() {
            count++;
            return Integer.toString(count);
        }
        
    }
    
    @Path("baz")
    public static class TestBazBean {
        
        private int count;
        
        public TestBazBean() {
            this.count = 0;
        }
        
        @GET
        public String doGet() {
            count++;
            return Integer.toString(count);
        }
        
    }
    
    WebApplicationImpl a;
    
    public ResourceLifecycleTest(String testName) {
        super(testName);
    }
    
    private ResourceConfig getResourceConfig() {
        final Set<Class<?>> r = new HashSet<Class<?>>();
        r.add(TestFooBean.class);
        r.add(TestBarBean.class);
        r.add(TestBazBean.class);
        return new DefaultResourceConfig(r);
    }
    
    public void testDefault() {
        initiateWebApplication(getResourceConfig());
        _test();
    }

    public void testOverrideDefaultWithPerRequest() {
        ResourceConfig c = getResourceConfig();
        c.getProperties().put(ResourceConfig.PROPERTY_DEFAULT_RESOURCE_COMPONENT_PROVIDER_FACTORY_CLASS,
                PerRequestFactory.class);

        initiateWebApplication(c);
        _test();
    }

    public void testOverrideDefaultWithSingleton() {
        ResourceConfig c = getResourceConfig();
        c.getProperties().put(ResourceConfig.PROPERTY_DEFAULT_RESOURCE_COMPONENT_PROVIDER_FACTORY_CLASS,
                SingletonFactory.class);

        initiateWebApplication(c);
        _test(true);
    }

    public void testOverrideDefaultWithSingletonClassName() {
        ResourceConfig c = getResourceConfig();
        c.getProperties().put(ResourceConfig.PROPERTY_DEFAULT_RESOURCE_COMPONENT_PROVIDER_FACTORY_CLASS,
                SingletonFactory.class.getName());

        initiateWebApplication(c);
        _test(true);
    }

    public void testNullResourceProviderProperty() {
        ResourceConfig c = getResourceConfig();
        c.getProperties().put(ResourceConfig.PROPERTY_DEFAULT_RESOURCE_COMPONENT_PROVIDER_FACTORY_CLASS,
                null);

        initiateWebApplication(c);
        _test();
    }

    public void testBadTypeResourceProviderProperty() {
        ResourceConfig c = getResourceConfig();
        c.getProperties().put(ResourceConfig.PROPERTY_DEFAULT_RESOURCE_COMPONENT_PROVIDER_FACTORY_CLASS,
                1);

        boolean caught = false;
        try {
            initiateWebApplication(c);
        } catch (IllegalArgumentException e) {
            caught = true;
        }
        assertTrue(caught);
    }

    public void testBadClassNameResourceProviderProperty() {
        ResourceConfig c = getResourceConfig();
        c.getProperties().put(ResourceConfig.PROPERTY_DEFAULT_RESOURCE_COMPONENT_PROVIDER_FACTORY_CLASS,
                "VALUE");

        boolean caught = false;
        try {
            initiateWebApplication(c);
        } catch (ContainerException e) {
            assertEquals(ClassNotFoundException.class, e.getCause().getClass());
            caught = true;
        }
        assertTrue(caught);
    }

    public void testBadClassResourceProviderProperty() {
        ResourceConfig c = getResourceConfig();
        c.getProperties().put(ResourceConfig.PROPERTY_DEFAULT_RESOURCE_COMPONENT_PROVIDER_FACTORY_CLASS,
                String.class);

        boolean caught = false;
        try {
            initiateWebApplication(c);
        } catch (IllegalArgumentException e) {
            caught = true;
        }
        assertTrue(caught);
    }

    private void _test() {
        _test(false);
    }

    private void _test(boolean isDefaultSingleton) {
        WebResource r = resource("/foo");
        assertEquals("1", r.get(String.class));
        assertEquals("2", r.get(String.class));
        assertEquals("3", r.get(String.class));

        r = resource("/bar");
        assertEquals("1", r.get(String.class));
        assertEquals("1", r.get(String.class));
        assertEquals("1", r.get(String.class));

        r = resource("/baz");
        if (isDefaultSingleton) {
            assertEquals("1", r.get(String.class));
            assertEquals("2", r.get(String.class));
            assertEquals("3", r.get(String.class));
        } else {
            assertEquals("1", r.get(String.class));
            assertEquals("1", r.get(String.class));
            assertEquals("1", r.get(String.class));
        }
    }
    
    @Path("foo")
    public static class TestFooBeanSingleton {
        
        private int count;
        
        public TestFooBeanSingleton(String junk) {
            assertNotNull(junk);
            this.count = 0;
        }
        
        @GET
        public String doGet(@Context ResourceContext rc) {
            count++;
            TestFooBeanSingleton that = rc.getResource(TestFooBeanSingleton.class);
            assertEquals(this, that);
            return Integer.toString(count);
        }
        
    }
    
    public void testSingleton() {
        ResourceConfig c = new DefaultResourceConfig();
        c.getSingletons().add(new TestFooBeanSingleton("junk"));
        initiateWebApplication(c);
        
        WebResource r = resource("/foo");        
        assertEquals("1", r.get(String.class));
        assertEquals("2", r.get(String.class));
        assertEquals("3", r.get(String.class));
    }
}