Maybe I'm wrong when I say it could be a bug. So a better question is how
can I get all the singleton even if they are annotated and not
bind()...in(...)?
Thanks,
Romain
Le mercredi 17 avril 2013 23:12:10 UTC+2, Romain Gilles a écrit :
>
> Hi all,
> It is strange when I'm writing this unit test to validate my comprehension
> of BindingScopingVisitor I don't get my expecting result...
> Is somebody can help me please?
> Thanks in advance,
>
> The code:
> import static org.hamcrest.MatcherAssert.assertThat;
> import static org.mockito.Mockito.times;
> import static org.mockito.Mockito.verify;
>
> import javax.inject.Singleton;
>
> import org.junit.Test;
> import org.junit.runner.RunWith;
> import org.mockito.Mock;
> import org.mockito.runners.MockitoJUnitRunner;
>
> import com.google.common.base.Supplier;
> import com.google.inject.*;
> import com.google.inject.name.Names;
> import com.google.inject.spi.DefaultBindingScopingVisitor;
>
> /**
> * @author Romain Gilles Date: 4/17/13 Time: 10:40 PM
> */
> @RunWith(MockitoJUnitRunner.class)
> public class GuiceBindingScopingVisitorTest {
>
> @Mock
> Supplier<Object> supplier;
>
> @Test
> public void testScopingVisitor() {
> Injector injector = Guice.createInjector(new AbstractModule() {
> @Override
> protected void configure() {
> bind(MyInterface.class).to(MyClass.class);
> bind(Key.get(MyInterface.class,
> Names.named("toto"))).to(MyClass.class).in(com.google.inject.Singleton.class);
> bind(Key.get(MyInterface.class,
> Names.named("toto1"))).to(MyClass.class).in(Singleton.class);
> bind(Key.get(MyInterface.class,
> Names.named("toto2"))).to(MyClass.class).in(Scopes.SINGLETON);
> }
> });
> assertThat(injector.getScopeBindings(), is(not(nullValue())));
> for (Binding<?> binding : injector.getBindings().values()) {
> binding.acceptScopingVisitor(new
> DefaultBindingScopingVisitor<Object>() {
> @Override
> public Object visitScope(Scope scope) {
> if (scope == Scopes.SINGLETON) {
> supplier.get();
> }
> return scope;
> }
> });
> }
> verify(supplier, times(4)).get();
> }
>
> public static interface MyInterface {
> }
>
> @Singleton
> public static class MyClass implements MyInterface {
> }
> }
>
> The result:
> org.mockito.exceptions.verification.TooLittleActualInvocations:
> supplier.get();
> Wanted 4 times:
> -> at
> test.GuiceBindingScopingVisitorTest.testScopingVisitor(GuiceBindingScopingVisitorTest.java:54)
> But was 3 times:
> -> at
> test.GuiceBindingScopingVisitorTest$2.visitScope(GuiceBindingScopingVisitorTest.java:48)
>
>
> My conclusion:
> It seems that @Singleton annotation is not handle as an Scope but I think
> it is a bug not?
>
> Regards,
>
> Romain
>
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