org.picocontainer.containers.PropertiesPicoContainerTestCase Maven / Gradle / Ivy

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package org.picocontainer.containers;

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

import java.util.Properties;
import java.io.IOException;
import java.io.FileInputStream;

import org.junit.Test;
import org.picocontainer.DefaultPicoContainer;
import org.picocontainer.Characteristics;

/**
 * test that properties container works properly
 * @author k.pribluda
 */
public class PropertiesPicoContainerTestCase {
	/**
	 * all properties specified in constructor shall be
	 * placed into container as strings
	 *
	 */
	@Test public void testThatAllPropertiesAreAdded() {
		Properties properties = new Properties();
		
		properties.put("foo","bar");
		properties.put("blurge","bang");
		
		
		PropertiesPicoContainer container = new PropertiesPicoContainer(properties);
		assertEquals("bar",container.getComponent("foo"));
		assertEquals("bang",container.getComponent("blurge"));
	}
	
	/**
	 * inquiry shall be delegated to parent container
	 */
	@Test public void testThatParentDelegationWorks() {
		DefaultPicoContainer parent = new DefaultPicoContainer();
		String stored = new String("glam");
		parent.addComponent("glam",stored);
		
		PropertiesPicoContainer contaienr = new PropertiesPicoContainer(new Properties(),parent);
		
		assertSame(stored,contaienr.getComponent("glam"));
	}


    @Test public void thatParanamerBehavesForASpecialCase() {

       Properties properties = new Properties();
       properties.put("portNumber", 1);
       properties.put("hostName", "string");
       properties.put("agentName", "agent0");
       System.out.println("Properties: " + properties);
       DefaultPicoContainer container = new DefaultPicoContainer(new PropertiesPicoContainer(properties));
       container.as(Characteristics.USE_NAMES).addComponent(Dependant.class);
       container.as(Characteristics.USE_NAMES).addComponent(Dependency.class);
       Dependant dependant = (Dependant) container.getComponent(Dependant.class);
       System.out.println(dependant);
   }

    public static class Dependency {
           private final String name;
           public Dependency(final String agentName) {
               this.name = agentName;
           }
           public String toString() {
               return name;
           }
       }

       public static class Dependant /*  */ {
           private final int number;
           private final String string;
           private final Dependency dependency;

           public Dependant(final String hostName, final int portNumber, final Dependency dependency) {
               this.number = portNumber;
               this.string = hostName;
               this.dependency = dependency;
           }

           public String toString() {
               return "Number: " + number + " String: " + string + " Dependency: " + dependency;
           }
       }

}