/*
* Copyright 2008-2013 Red Hat, Inc, and individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.torquebox.core.component;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import java.util.Map;
import org.jruby.Ruby;
import org.jruby.javasupport.JavaEmbedUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.torquebox.core.runtime.RubyRuntimeFactory;
public class ComponentResolverTest {
private RubyRuntimeFactory factory;
private Ruby ruby;
@Before
public void setUpRuby() throws Exception {
this.factory = new RubyRuntimeFactory();
this.ruby = this.factory.createInstance( getClass().getSimpleName() );
}
@After
public void tearDownRuby() throws Exception {
this.factory.destroyInstance( this.ruby );
this.ruby = null;
}
/** Ensure that resolution instantiates if-required. */
@Test
public void testResolveToInstantiate() throws Exception {
ComponentResolver resolver = new ComponentResolver(false);
resolver.setComponentName( "component-foo" );
this.ruby.evalScriptlet( "class ComponentClass; end" );
ComponentClass componentClass = new ComponentClass();
componentClass.setClassName( "ComponentClass" );
resolver.setComponentInstantiator( componentClass );
AbstractRubyComponent component = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( component );
assertNotNull( component.getRubyComponent() );
assertEquals( "ComponentClass", component.getRubyComponent().getMetaClass().getName() );
}
/** Ensure that repeated resolutions resolve to the same object. */
@Test
public void testResolveRepeatedly() throws Exception {
ComponentResolver resolver = new ComponentResolver(false);
this.ruby.evalScriptlet( "class ComponentClass; end" );
resolver.setComponentName( "component-foo" );
ComponentClass componentClass = new ComponentClass();
componentClass.setClassName( "ComponentClass" );
resolver.setComponentInstantiator( componentClass );
AbstractRubyComponent component = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( component );
assertNotNull( component.getRubyComponent() );
assertEquals( "ComponentClass", component.getRubyComponent().getMetaClass().getName() );
AbstractRubyComponent componentToo = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( componentToo );
assertNotNull( componentToo.getRubyComponent() );
// TODO Should the wrapper be identical?
//assertSame( component, componentToo );
assertSame( component.getRubyComponent(), componentToo.getRubyComponent() );
}
/** Ensure that appropriate file is required/loaded if provided. */
@Test
public void testResolveWithRequirePath() throws Exception {
ComponentResolver resolver = new ComponentResolver(false);
resolver.setComponentName( "some-component" );
ComponentClass componentClass = new ComponentClass();
componentClass.setClassName( "SomeComponent" );
componentClass.setRequirePath( "org/torquebox/core/component/some_component" );
resolver.setComponentInstantiator( componentClass );
AbstractRubyComponent component = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( component );
assertNotNull( component.getRubyComponent() );
assertEquals( "SomeComponent", component.getRubyComponent().getMetaClass().getName() );
AbstractRubyComponent componentToo = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( componentToo );
assertNotNull( componentToo.getRubyComponent() );
//assertSame( component, componentToo );
assertSame( component.getRubyComponent(), componentToo.getRubyComponent() );
}
/** Ensure that constructors may take arguments. */
@SuppressWarnings("rawtypes")
@Test
public void testResolveWithContructorArguments() throws Exception {
ComponentResolver resolver = new ComponentResolver(false);
resolver.setComponentName( "optional-component" );
ComponentClass componentClass = new ComponentClass();
componentClass.setClassName( "OptionalComponent" );
componentClass.setRequirePath( "org/torquebox/core/component/optional_component" );
resolver.setComponentInstantiator( componentClass );
Map options = ruby.evalScriptlet( "{ :a => '1', 'b' => '2' }" ).convertToHash();
resolver.setInitializeParams( options );
AbstractRubyComponent component = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( component );
assertNotNull( component.getRubyComponent() );
assertEquals( "1", JavaEmbedUtils.invokeMethod( this.ruby, component.getRubyComponent(), "[]", new Object[] { ruby.evalScriptlet( ":a" ) }, String.class ) );
assertEquals( "2", JavaEmbedUtils.invokeMethod( this.ruby, component.getRubyComponent(), "[]", new Object[] { "b" }, String.class ) );
}
/**
* Ensure that multiple resolvers keep their components distinct within an
* interpreter.
*/
@Test
public void testResolveMultipleNames() throws Exception {
ComponentResolver resolverOne = new ComponentResolver( false );
resolverOne.setComponentName( "component-one" );
ComponentClass componentClassOne = new ComponentClass();
componentClassOne.setClassName( "ComponentClassOne" );
resolverOne.setComponentInstantiator( componentClassOne );
ComponentResolver resolverTwo = new ComponentResolver( false );
resolverTwo.setComponentName( "component-two" );
ComponentClass componentClassTwo = new ComponentClass();
componentClassTwo.setClassName( "ComponentClassTwo" );
resolverTwo.setComponentInstantiator( componentClassTwo );
this.ruby.evalScriptlet( "class ComponentClassOne; end" );
this.ruby.evalScriptlet( "class ComponentClassTwo; end" );
AbstractRubyComponent componentOne = (AbstractRubyComponent) resolverOne.resolve( this.ruby );
assertNotNull( componentOne );
assertNotNull( componentOne.getRubyComponent() );
assertEquals( "ComponentClassOne", componentOne.getRubyComponent().getMetaClass().getName() );
AbstractRubyComponent componentTwo = (AbstractRubyComponent) resolverTwo.resolve( this.ruby );
assertNotNull( componentTwo );
assertNotNull( componentTwo.getRubyComponent() );
assertEquals( "ComponentClassTwo", componentTwo.getRubyComponent().getMetaClass().getName() );
}
/**
* Ensure that repeated resolutions resolve to different objects when always
* reloading.
*/
@Test
public void testAlwaysReload() throws Exception {
ComponentResolver resolver = new ComponentResolver( true );
resolver.setAlwaysReload( true );
this.ruby.evalScriptlet( "class ComponentClass; end" );
resolver.setComponentName( "component-foo" );
ComponentClass componentClass = new ComponentClass();
componentClass.setClassName( "ComponentClass" );
resolver.setComponentInstantiator( componentClass );
AbstractRubyComponent component = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( component );
assertNotNull( component.getRubyComponent() );
assertEquals( "ComponentClass", component.getRubyComponent().getMetaClass().getName() );
AbstractRubyComponent componentToo = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( componentToo );
assertNotNull( componentToo.getRubyComponent() );
assertEquals( "ComponentClass", componentToo.getRubyComponent().getMetaClass().getName() );
assertNotSame( component, componentToo );
assertNotSame( component.getRubyComponent(), componentToo.getRubyComponent() );
}
/**
* Ensure that repeated resolutions resolve to different objects when always
* new instance
*/
@Test
public void testAlwaysNewInstance() throws Exception {
ComponentResolver resolver = new ComponentResolver( false );
resolver.setAlwaysNewInstance( true );
this.ruby.evalScriptlet( "class ComponentClass; end" );
resolver.setComponentName( "component-foo" );
ComponentClass componentClass = new ComponentClass();
componentClass.setClassName( "ComponentClass" );
resolver.setComponentInstantiator( componentClass );
AbstractRubyComponent component = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( component );
assertNotNull( component.getRubyComponent() );
assertEquals( "ComponentClass", component.getRubyComponent().getMetaClass().getName() );
AbstractRubyComponent componentToo = (AbstractRubyComponent) resolver.resolve( this.ruby );
assertNotNull( componentToo );
assertNotNull( componentToo.getRubyComponent() );
assertEquals( "ComponentClass", componentToo.getRubyComponent().getMetaClass().getName() );
assertNotSame( component, componentToo );
assertNotSame( component.getRubyComponent(), componentToo.getRubyComponent() );
}
}