| /** |
| * Copyright (C) 2006 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.inject; |
| |
| import static com.google.inject.Scopes.SINGLETON; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| public class ContainerTest extends TestCase { |
| |
| public void testInjection() { |
| Container container = createFooContainer(); |
| Foo foo = container.getCreator(Foo.class).get(); |
| |
| assertEquals("test", foo.s); |
| assertEquals("test", foo.bar.getTee().getS()); |
| assertSame(foo.bar, foo.copy); |
| assertEquals(5, foo.i); |
| assertEquals(5, foo.bar.getI()); |
| |
| // Test circular dependency. |
| assertSame(foo.bar, foo.bar.getTee().getBar()); |
| } |
| |
| private Container createFooContainer() { |
| ContainerBuilder builder = new ContainerBuilder(); |
| |
| builder.apply(new AbstractModule() { |
| protected void configure() { |
| bind(Bar.class).to(BarImpl.class); |
| bind(Tee.class).to(TeeImpl.class); |
| bind("s").to("test"); |
| bind("i").to(5); |
| } |
| }); |
| |
| return builder.create(false); |
| } |
| |
| public void testGetInstance() { |
| Container container = createFooContainer(); |
| |
| Bar bar = container.getFactory(Key.get(Bar.class)).get(); |
| assertEquals("test", bar.getTee().getS()); |
| assertEquals(5, bar.getI()); |
| } |
| |
| public void testIntAndIntegerAreInterchangeable() { |
| ContainerBuilder builder = new ContainerBuilder(); |
| builder.bind("i").to(5); |
| Container container = builder.create(false); |
| IntegerWrapper iw = container.getCreator(IntegerWrapper.class).get(); |
| assertEquals(5, (int) iw.i); |
| } |
| |
| static class IntegerWrapper { |
| @Inject("i") Integer i; |
| } |
| |
| static class Foo { |
| |
| @Inject Bar bar; |
| @Inject Bar copy; |
| |
| @Inject("s") String s; |
| |
| int i; |
| |
| @Inject("i") |
| void setI(int i) { |
| this.i = i; |
| } |
| } |
| |
| interface Bar { |
| |
| Tee getTee(); |
| int getI(); |
| } |
| |
| @Scoped(SINGLETON) |
| static class BarImpl implements Bar { |
| |
| @Inject("i") int i; |
| |
| Tee tee; |
| |
| @Inject |
| void initialize(Tee tee) { |
| this.tee = tee; |
| } |
| |
| public Tee getTee() { |
| return tee; |
| } |
| |
| public int getI() { |
| return i; |
| } |
| } |
| |
| interface Tee { |
| |
| String getS(); |
| Bar getBar(); |
| } |
| |
| static class TeeImpl implements Tee { |
| |
| final String s; |
| @Inject Bar bar; |
| |
| @Inject |
| TeeImpl(@Inject("s") String s) { |
| this.s = s; |
| } |
| |
| public String getS() { |
| return s; |
| } |
| |
| public Bar getBar() { |
| return bar; |
| } |
| } |
| |
| public void testCircularlyDependentConstructors() { |
| ContainerBuilder builder = new ContainerBuilder(); |
| builder.bind(A.class).to(AImpl.class); |
| builder.bind(B.class).to(BImpl.class); |
| |
| Container container = builder.create(false); |
| A a = container.getCreator(AImpl.class).get(); |
| assertNotNull(a.getB().getA()); |
| } |
| |
| interface A { |
| B getB(); |
| } |
| |
| @Scoped(SINGLETON) |
| static class AImpl implements A { |
| final B b; |
| @Inject public AImpl(B b) { |
| this.b = b; |
| } |
| public B getB() { |
| return b; |
| } |
| } |
| |
| interface B { |
| A getA(); |
| } |
| |
| static class BImpl implements B { |
| final A a; |
| @Inject public BImpl(A a) { |
| this.a = a; |
| } |
| public A getA() { |
| return a; |
| } |
| } |
| |
| public void testInjectStatics() { |
| ContainerBuilder builder = new ContainerBuilder(); |
| builder.bind("s").to("test"); |
| builder.bind("i").to(5); |
| builder.injectStatics(Static.class); |
| builder.create(false); |
| |
| assertEquals("test", Static.s); |
| assertEquals(5, Static.i); |
| } |
| |
| static class Static { |
| |
| @Inject("i") static int i; |
| |
| static String s; |
| |
| @Inject("s") static void setS(String s) { |
| Static.s = s; |
| } |
| } |
| } |