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

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package org.picocontainer.containers;

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

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

/**
 * test capabilities of system properties providing container. 
 * @author k.pribluda
 *
 */
public class SystemPropertiesPicoContainerTestCase {

	
	/**
	 * all the content of system properties shall be made available
	 *  through this contaienr. 
	 */
	@Test public void testThatAllSystemPropertiesAreCopied() {
		SystemPropertiesPicoContainer container = new SystemPropertiesPicoContainer();		
		for(Object key: System.getProperties().keySet()) {
			assertSame(System.getProperties().get(key),container.getComponent(key));
		}
	}

    @Test public void testRepresentationOfContainerTree() {
        SystemPropertiesPicoContainer parent = new SystemPropertiesPicoContainer();
        parent.setName("parent");
        DefaultPicoContainer child = new DefaultPicoContainer(parent);
        child.setName("child");
		child.addComponent("hello", "goodbye");
        child.addComponent("bonjour", "aurevior");
        int num = System.getProperties().size(); 
        assertEquals("child:2