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/*****************************************************************************
* 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. *
* *
* Idea by Rachel Davies, Original code by Aslak Hellesoy and Paul Hammant *
*****************************************************************************/
package org.picocontainer.defaults;
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 static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.picocontainer.DefaultPicoContainer;
import org.picocontainer.MutablePicoContainer;
import org.picocontainer.NameBinding;
import org.picocontainer.PicoCompositionException;
import org.picocontainer.parameters.ComponentParameter;
import org.picocontainer.parameters.ConstantParameter;
import org.picocontainer.testmodel.DependsOnTouchable;
import org.picocontainer.testmodel.SimpleTouchable;
import org.picocontainer.testmodel.Touchable;
import org.picocontainer.testmodel.Webster;
public final class NoneOfTheseTestsAffectCoverageMeaningTheyCouldGoTestCase {
//TODO - move to AbstractComponentRegistryTestCase
@Test public void testGetComponentSpecification() throws PicoCompositionException {
DefaultPicoContainer pico = new DefaultPicoContainer();
assertNull(pico.getComponentAdapter(Touchable.class, (NameBinding) null));
pico.addComponent(SimpleTouchable.class);
assertNotNull(pico.getComponentAdapter(SimpleTouchable.class, (NameBinding) null));
assertNotNull(pico.getComponentAdapter(Touchable.class,(NameBinding) null));
}
//TODO move
@Test public void testMultipleImplementationsAccessedThroughKey()
throws PicoCompositionException
{
SimpleTouchable Touchable1 = new SimpleTouchable();
SimpleTouchable Touchable2 = new SimpleTouchable();
DefaultPicoContainer pico = new DefaultPicoContainer();
pico.addComponent("Touchable1", Touchable1);
pico.addComponent("Touchable2", Touchable2);
pico.addComponent("fred1", DependsOnTouchable.class, new ComponentParameter("Touchable1"));
pico.addComponent("fred2", DependsOnTouchable.class, new ComponentParameter("Touchable2"));
DependsOnTouchable fred1 = (DependsOnTouchable) pico.getComponent("fred1");
DependsOnTouchable fred2 = (DependsOnTouchable) pico.getComponent("fred2");
assertFalse(fred1 == fred2);
assertSame(Touchable1, fred1.getTouchable());
assertSame(Touchable2, fred2.getTouchable());
}
//TODO - move
@Test public void testRegistrationByName() throws Exception {
DefaultPicoContainer pico = new DefaultPicoContainer();
Webster one = new Webster(new ArrayList());
Touchable two = new SimpleTouchable();
pico.addComponent("one", one);
pico.addComponent("two", two);
assertEquals("Wrong number of comps in the internals", 2, pico.getComponents().size());
assertEquals("Looking up one Touchable", one, pico.getComponent("one"));
assertEquals("Looking up two Touchable", two, pico.getComponent("two"));
assertTrue("Object one the same", one == pico.getComponent("one"));
assertTrue("Object two the same", two == pico.getComponent("two"));
assertEquals("Lookup of unknown key should return null", null, pico.getComponent("unknown"));
}
@Test public void testRegistrationByNameAndClassWithResolving() throws Exception {
DefaultPicoContainer pico = new DefaultPicoContainer();
pico.addComponent(List.class, new ArrayList());
pico.addComponent("one", Webster.class);
pico.addComponent("two", SimpleTouchable.class);
assertEquals("Wrong number of comps in the internals", 3, pico.getComponents().size());
assertNotNull("Object one the same", pico.getComponent("one"));
assertNotNull("Object two the same", pico.getComponent("two"));
assertNull("Lookup of unknown key should return null", pico.getComponent("unknown"));
}
@Test public void testDuplicateRegistrationWithTypeAndObject() throws PicoCompositionException {
DefaultPicoContainer pico = new DefaultPicoContainer();
pico.addComponent(SimpleTouchable.class);
try {
pico.addComponent(SimpleTouchable.class, new SimpleTouchable());
fail("Should have barfed with dupe registration");
} catch (PicoCompositionException e) {
// expected
assertTrue(e.getMessage().startsWith("Duplicate"));
assertTrue(e.getMessage().indexOf(SimpleTouchable.class.getName()) > 0);
}
}
@Test public void testComponentRegistrationMismatch() throws PicoCompositionException {
MutablePicoContainer pico = new DefaultPicoContainer();
try {
pico.addComponent(List.class, SimpleTouchable.class);
} catch (ClassCastException e) {
// not worded in message
assertTrue(e.getMessage().indexOf(List.class.getName()) > 0);
assertTrue(e.getMessage().indexOf(SimpleTouchable.class.getName()) == 0);
}
}
interface Animal {
String getFood();
}
public static class Dino implements Animal {
final String food;
public Dino(String food) {
this.food = food;
}
public String getFood() {
return food;
}
}
public static class Dino2 extends Dino {
public Dino2(int number) {
super(String.valueOf(number));
}
}
public static class Dino3 extends Dino {
public Dino3(String a, String b) {
super(a + b);
}
}
public static class Dino4 extends Dino {
public Dino4(String a, int n, String b, Touchable Touchable) {
super(a + n + b + " " + Touchable.getClass().getName());
}
}
@Test public void testParameterCanBePassedToConstructor() throws Exception {
DefaultPicoContainer pico = new DefaultPicoContainer();
pico.addComponent(Animal.class,
Dino.class,
new ConstantParameter("bones"));
Animal animal = pico.getComponent(Animal.class);
assertNotNull("Component not null", animal);
assertEquals("bones", animal.getFood());
}
@Test public void testParameterCanBePrimitive() throws Exception {
DefaultPicoContainer pico = new DefaultPicoContainer();
pico.addComponent(Animal.class, Dino2.class, new ConstantParameter(22));
Animal animal = pico.getComponent(Animal.class);
assertNotNull("Component not null", animal);
assertEquals("22", animal.getFood());
}
@Test public void testMultipleParametersCanBePassed() throws Exception {
DefaultPicoContainer pico = new DefaultPicoContainer();
pico.addComponent(Animal.class, Dino3.class, new ConstantParameter("a"),
new ConstantParameter("b"));
Animal animal = pico.getComponent(Animal.class);
assertNotNull("Component not null", animal);
assertEquals("ab", animal.getFood());
}
@Test public void testParametersCanBeMixedWithComponentsCanBePassed() throws Exception {
DefaultPicoContainer pico = new DefaultPicoContainer();
pico.addComponent(Touchable.class, SimpleTouchable.class);
pico.addComponent(Animal.class, Dino4.class, new ConstantParameter("a"),
new ConstantParameter(3),
new ConstantParameter("b"),
ComponentParameter.DEFAULT);
Animal animal = pico.getComponent(Animal.class);
assertNotNull("Component not null", animal);
assertEquals("a3b org.picocontainer.testmodel.SimpleTouchable", animal.getFood());
}
}
