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org.picocontainer.parameters.ParameterTestCase Maven / Gradle / Ivy
/*****************************************************************************
* Copyright (C) PicoContainer Organization. All rights reserved. *
* ------------------------------------------------------------------------- *
* The software in this package is published under the terms of the BSD *
* style license a copy of which has been included with this distribution in *
* the LICENSE.txt file. *
* *
* Original code by *
*****************************************************************************/
package org.picocontainer.parameters;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import junit.framework.TestCase;
import org.junit.Test;
import org.picocontainer.ComponentAdapter;
import org.picocontainer.DefaultPicoContainer;
import org.picocontainer.MutablePicoContainer;
import org.picocontainer.NameBinding;
import org.picocontainer.Parameter;
import org.picocontainer.PicoCompositionException;
import org.picocontainer.adapters.NullCA;
import org.picocontainer.testmodel.DependsOnTouchable;
import org.picocontainer.testmodel.SimpleTouchable;
import org.picocontainer.testmodel.Touchable;
import org.picocontainer.visitors.VerifyingVisitor;
/**
* @author Jon Tirsen ([email protected] )
*/
public final class ParameterTestCase {
public static class FooNameBinding implements NameBinding {
public String getName() {
return "";
}
}
final NameBinding pn = new FooNameBinding();
@Test public void testComponentParameterFetches() throws PicoCompositionException {
DefaultPicoContainer pico = new DefaultPicoContainer();
ComponentAdapter adapter = pico.addComponent(Touchable.class, SimpleTouchable.class).getComponentAdapter(Touchable.class,
(NameBinding) null);
assertNotNull(adapter);
assertNotNull(pico.getComponent(Touchable.class));
Touchable touchable = (Touchable) ComponentParameter.DEFAULT.resolveInstance(pico, new NullCA(String.class), Touchable.class, pn,
false, null);
assertNotNull(touchable);
}
@Test public void testComponentParameterExcludesSelf() throws PicoCompositionException {
DefaultPicoContainer pico = new DefaultPicoContainer();
ComponentAdapter adapter = pico.addComponent(Touchable.class, SimpleTouchable.class).getComponentAdapter(Touchable.class,
(NameBinding) null);
assertNotNull(pico.getComponent(Touchable.class));
Touchable touchable = (Touchable) ComponentParameter.DEFAULT.resolveInstance(pico, adapter, Touchable.class, pn,
false, null);
assertNull(touchable);
}
@Test public void testConstantParameter() throws PicoCompositionException {
Object value = new Object();
ConstantParameter parameter = new ConstantParameter(value);
MutablePicoContainer picoContainer = new DefaultPicoContainer();
assertSame(value, parameter.resolveInstance(picoContainer, null, Object.class, pn, false, null));
}
@Test public void testDependsOnTouchableWithTouchableSpecifiedAsConstant() throws PicoCompositionException {
DefaultPicoContainer pico = new DefaultPicoContainer();
SimpleTouchable touchable = new SimpleTouchable();
pico.addComponent(DependsOnTouchable.class, DependsOnTouchable.class, new ConstantParameter(touchable));
pico.getComponents();
assertTrue(touchable.wasTouched);
}
@Test public void testComponentParameterRespectsExpectedType() {
MutablePicoContainer picoContainer = new DefaultPicoContainer();
ComponentAdapter adapter = picoContainer.addComponent(Touchable.class, SimpleTouchable.class).getComponentAdapter(Touchable.class,
(NameBinding) null);
assertNull(ComponentParameter.DEFAULT.resolveInstance(picoContainer, adapter, TestCase.class, pn, false, null));
}
@Test public void testComponentParameterResolvesPrimitiveType() {
MutablePicoContainer picoContainer = new DefaultPicoContainer();
ComponentAdapter adapter = picoContainer.addComponent("glarch", 239).getComponentAdapter("glarch");
assertNotNull(adapter);
Parameter parameter = new ComponentParameter("glarch");
assertNotNull(parameter.resolveInstance(picoContainer,adapter,Integer.TYPE, pn, false, null));
assertEquals(239, ((Integer)parameter.resolveInstance(picoContainer,adapter,Integer.TYPE, pn, false, null)).intValue());
}
@Test public void testConstantParameterRespectsExpectedType() {
MutablePicoContainer picoContainer = new DefaultPicoContainer();
Parameter parameter = new ConstantParameter(new SimpleTouchable());
ComponentAdapter adapter = picoContainer.addComponent(Touchable.class, SimpleTouchable.class).getComponentAdapter(Touchable.class,
(NameBinding) null);
assertFalse(parameter.isResolvable(picoContainer, adapter, TestCase.class, pn, false, null));
}
@Test public void testParameterRespectsExpectedType() throws PicoCompositionException {
Parameter parameter = new ConstantParameter(Touchable.class);
MutablePicoContainer picoContainer = new DefaultPicoContainer();
assertFalse(parameter.isResolvable(picoContainer, null, TestCase.class, pn, false, null));
ComponentAdapter adapter = picoContainer.addComponent(Touchable.class, SimpleTouchable.class).getComponentAdapter(Touchable.class,
(NameBinding) null);
assertNull(ComponentParameter.DEFAULT.resolveInstance(picoContainer, adapter, TestCase.class, pn, false, null));
}
@Test public void testConstantParameterWithPrimitives() throws PicoCompositionException {
MutablePicoContainer picoContainer = new DefaultPicoContainer();
Byte byteValue = (byte)5;
ConstantParameter parameter = new ConstantParameter(byteValue);
assertSame(byteValue, parameter.resolveInstance(picoContainer, null, Byte.TYPE, pn, false, null));
assertSame(byteValue, parameter.resolveInstance(picoContainer, null, Byte.class, pn, false, null));
Short shortValue = (short)5;
parameter = new ConstantParameter(shortValue);
assertSame(shortValue, parameter.resolveInstance(picoContainer, null, Short.TYPE, pn, false, null));
assertSame(shortValue, parameter.resolveInstance(picoContainer, null, Short.class, pn, false, null));
Integer intValue = 5;
parameter = new ConstantParameter(intValue);
assertSame(intValue, parameter.resolveInstance(picoContainer, null, Integer.TYPE, pn, false, null));
assertSame(intValue, parameter.resolveInstance(picoContainer, null, Integer.class, pn, false, null));
Long longValue = (long)5;
parameter = new ConstantParameter(longValue);
assertSame(longValue, parameter.resolveInstance(picoContainer, null, Long.TYPE, pn, false, null));
assertSame(longValue, parameter.resolveInstance(picoContainer, null, Long.class, pn, false, null));
Float floatValue = new Float(5.5);
parameter = new ConstantParameter(floatValue);
assertSame(floatValue, parameter.resolveInstance(picoContainer, null, Float.TYPE, pn, false, null));
assertSame(floatValue, parameter.resolveInstance(picoContainer, null, Float.class, pn, false, null));
Double doubleValue = 5.5;
parameter = new ConstantParameter(doubleValue);
assertSame(doubleValue, parameter.resolveInstance(picoContainer, null, Double.TYPE, pn, false, null));
assertSame(doubleValue, parameter.resolveInstance(picoContainer, null, Double.class, pn, false, null));
Boolean booleanValue = true;
parameter = new ConstantParameter(booleanValue);
assertSame(booleanValue, parameter.resolveInstance(picoContainer, null, Boolean.TYPE, pn, false, null));
assertSame(booleanValue, parameter.resolveInstance(picoContainer, null, Boolean.class, pn, false, null));
Character charValue = 'x';
parameter = new ConstantParameter(charValue);
assertSame(charValue, parameter.resolveInstance(picoContainer, null, Character.TYPE, pn, false, null));
assertSame(charValue, parameter.resolveInstance(picoContainer, null, Character.class, pn, false, null));
}
@Test public void testConstantParameterWithPrimitivesRejectsUnexpectedType() throws PicoCompositionException {
MutablePicoContainer picoContainer = new DefaultPicoContainer();
Byte byteValue = (byte)5;
ConstantParameter parameter = new ConstantParameter(byteValue);
assertFalse(parameter.isResolvable(picoContainer, null, Integer.TYPE, pn, false, null));
Short shortValue = (short)5;
parameter = new ConstantParameter(shortValue);
assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE, pn, false, null));
Integer intValue = 5;
parameter = new ConstantParameter(intValue);
assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE, pn, false, null));
Long longValue = (long)5;
parameter = new ConstantParameter(longValue);
assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE, pn, false, null));
Float floatValue = new Float(5.5);
parameter = new ConstantParameter(floatValue);
assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE, pn, false, null));
Double doubleValue = 5.5;
parameter = new ConstantParameter(doubleValue);
assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE, pn, false, null));
Boolean booleanValue = true;
parameter = new ConstantParameter(booleanValue);
assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE, pn, false, null));
Character charValue = 'x';
parameter = new ConstantParameter(charValue);
assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE, pn, false, null));
}
@Test public void testKeyClashBug118() throws PicoCompositionException {
DefaultPicoContainer pico = new DefaultPicoContainer();
pico.addComponent("A", String.class, new ConstantParameter("A"));
pico.addComponent("B", String.class, new ConstantParameter("A"));
new VerifyingVisitor().traverse(pico);
}
}
