InjectionProvidersNamedInstanceInjectionProviderTest.java

package org.needle4j.injection;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertThat;
import static org.needle4j.injection.InjectionProviders.providerForNamedInstance;

import javax.inject.Inject;
import javax.inject.Named;

import org.junit.Rule;
import org.junit.Test;
import org.needle4j.junit.NeedleRule;

public class InjectionProvidersNamedInstanceInjectionProviderTest {

    private static final String FOO = "foo";

    public static class SomeType {

    }

    private final SomeType providedNamedInstance = new SomeType();

    @Rule
    public final NeedleRule needle = new NeedleRule(providerForNamedInstance(FOO, providedNamedInstance));

    @Inject
    private SomeType mockInstance;

    @Inject
    @Named(FOO)
    private SomeType namedInstance;

    @Test
    public void shouldInjectNamedInstance() {
        assertThat(namedInstance, is(providedNamedInstance));
    }

    @Test
    public void shouldInjectDefaultInstance() {
        assertThat(mockInstance, not(providedNamedInstance));
    }

}