Examples with PrivateElements com.google.inject.spi.PrivateElements used on opensource projects

Example 6 with PrivateElements

use of com.google.inject.spi.PrivateElements in project roboguice by roboguice.

the class PrivateModuleTest method testSpiAccess.

public void testSpiAccess() {
    Injector injector = Guice.createInjector(new PrivateModule() {

        @Override
        public void configure() {
            bind(String.class).annotatedWith(named("a")).toInstance("private");
            bind(String.class).annotatedWith(named("b")).toInstance("exposed");
            expose(String.class).annotatedWith(named("b"));
        }
    });
    ExposedBinding<?> binding = (ExposedBinding<?>) injector.getBinding(Key.get(String.class, Names.named("b")));
    assertEquals(ImmutableSet.<Dependency<?>>of(Dependency.get(Key.get(Injector.class))), binding.getDependencies());
    PrivateElements privateElements = binding.getPrivateElements();
    assertEquals(ImmutableSet.<Key<?>>of(Key.get(String.class, named("b"))), privateElements.getExposedKeys());
    assertContains(privateElements.getExposedSource(Key.get(String.class, named("b"))).toString(), PrivateModuleTest.class.getName(), getDeclaringSourcePart(getClass()));
    Injector privateInjector = privateElements.getInjector();
    assertEquals("private", privateInjector.getInstance(Key.get(String.class, Names.named("a"))));
}