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  package org.apache.cayenne.unit.di;
  
  import org.apache.cayenne.di.DIBootstrap;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.di.Injector;
  import org.apache.cayenne.di.Key;
  import org.apache.cayenne.di.Module;
  import org.apache.cayenne.di.spi.DefaultScope;
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  
  public class DICaseSelfIT extends DICase {
  
      private static final Injector injector;
  
      static {
          Module selfTestModule = binder -> {
              DefaultScope testScope = new DefaultScope();
  
              binder.bind(UnitTestLifecycleManager.class).toInstance(
                      new DefaultUnitTestLifecycleManager(testScope));
  
              binder.bind(Key.get(Object.class, "test-scope")).to(Object.class).in(
                      testScope);
              binder
                      .bind(Key.get(Object.class, "singleton-scope"))
                      .to(Object.class)
                      .inSingletonScope();
          };
  
          injector = DIBootstrap.createInjector(selfTestModule);
      }
  
      @Inject("test-scope")
      protected Object testScoped;
  
      @Inject("singleton-scope")
      protected Object singletonScoped;
  
      @Override
      protected Injector getUnitTestInjector() {
          return injector;
      }
  
      @Test
      public void testInjection() throws Exception {
  
          Object testScoped = this.testScoped;
          assertNotNull(testScoped);
  
          Object singletonScoped = this.singletonScoped;
          assertNotNull(singletonScoped);
  
          tearDownLifecycleManager();
          setUpLifecycleManager();
  
          assertNotSame(testScoped, this.testScoped);
          assertNotNull(this.testScoped);
          assertSame(singletonScoped, this.singletonScoped);
      }
  
  }
  