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"));
}
public void testLazyInstantiationSideEffectWhenForceOfDelayedInstantiationOfDependantClass() {
DefaultPicoContainer pico =
new DefaultPicoContainer(
new ImplementationHiding().wrap(new Caching().wrap(new ConstructorInjection())));
pico.addComponent(StringBuilder.class);
pico.addComponent(NeedsStringBuilder.class, NeedsStringBuilderImpl.class);
pico.addComponent(NeedsNeedsStringBuilder.class);
NeedsNeedsStringBuilder nnsb = pico.getComponent(NeedsNeedsStringBuilder.class);
assertNotNull(nnsb);
StringBuilder sb = pico.getComponent(StringBuilder.class);
assertEquals("", sb.toString()); // not instantiated yet
nnsb.foo();
assertEquals("<init>foo()", sb.toString()); // instantiated
}
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());
}
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());
}
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());
}
// TODO - move
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 testWithNonNullLifecycleStrategy() {
DefaultPicoContainer dpc =
new DefaultPicoContainer(
new CompositeInjection(new ConstructorInjection(), new AnnotatedMethodInjection()),
new NonNullLifecycleStrategy(),
new EmptyPicoContainer());
dpc.addComponent(Bar.class);
assertNotNull(dpc.getComponent(Bar.class));
}
@Test
public void testAsParentContainer() {
CommandLineArgumentsPicoContainer apc =
new CommandLineArgumentsPicoContainer(new String[] {"a=aaa", "b=bbb", "d=22"});
assertEquals("aaa", apc.getComponent("a"));
assertEquals("bbb", apc.getComponent("b"));
assertEquals("22", apc.getComponent("d"));
DefaultPicoContainer dpc = new DefaultPicoContainer(apc);
dpc.addComponent(NeedsString.class);
assertEquals("bbb", dpc.getComponent(NeedsString.class).val);
}
@Test
public void testAnnotatedFieldInjectionComponentCanDependOnConfig() {
CommandLineArgumentsPicoContainer apc =
new CommandLineArgumentsPicoContainer(new String[] {"a=a", "b=2", "c=true"});
DefaultPicoContainer pico = new DefaultPicoContainer(new AnnotatedFieldInjection(), apc);
pico.addConfig("zzz", "zzz");
pico.as(Characteristics.USE_NAMES).addComponent(NeedsAFew3.class);
NeedsAFew3 needsAFew = pico.getComponent(NeedsAFew3.class);
assertNotNull(needsAFew);
assertEquals("a", needsAFew.a);
assertEquals(2, needsAFew.b);
assertEquals(true, needsAFew.c);
}
@Test
public void testUnsatisfiableIfNoSuitableTyesForInjection() {
CommandLineArgumentsPicoContainer apc =
new CommandLineArgumentsPicoContainer(new String[] {"zz=zz"});
DefaultPicoContainer pico = new DefaultPicoContainer(apc);
pico.as(Characteristics.USE_NAMES).addComponent(NeedsAFew.class);
try {
Object foo = pico.getComponent(NeedsAFew.class);
fail();
} catch (AbstractInjector.UnsatisfiableDependenciesException e) {
// expetced;
}
}
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());
}
// TODO move
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());
}
@Test
public void testComponentWithCtorAndSetterDiCanHaveAllDepsSatisfiedWithANonSetInjectMethod()
throws NoSuchMethodException {
DefaultPicoContainer dpc =
new DefaultPicoContainer(
new CompositeInjection(new ConstructorInjection(), new SetterInjection("inject")),
new NullLifecycleStrategy(),
new EmptyPicoContainer());
dpc.addComponent(Bar.class);
dpc.addComponent(Baz.class);
dpc.addComponent(Foo2.class);
Foo2 foo = dpc.getComponent(Foo2.class);
assertNotNull(foo);
assertNotNull(foo.bar);
assertNotNull(foo.baz);
}
@Test
public void testComponentWithCtorAndNamedFieldWorkToegether() throws NoSuchMethodException {
DefaultPicoContainer dpc =
new DefaultPicoContainer(
new CompositeInjection(new ConstructorInjection(), new NamedFieldInjection()),
new NullLifecycleStrategy(),
new EmptyPicoContainer());
dpc.addComponent(Bar.class);
dpc.addConfig("one", "1");
dpc.addConfig("two", "2");
dpc.as(injectionFieldNames("one", "two")).addComponent(Foo4.class);
Foo4 foo4 = dpc.getComponent(Foo4.class);
assertNotNull(foo4);
assertNotNull(foo4.bar);
assertNotNull(foo4.one);
assertEquals("1", foo4.one);
assertNotNull(foo4.two);
assertEquals("2", foo4.two);
}