@Test
  public void testContainerBootstrapSharedCacheMode() {
    // first, via the integration vars
    PersistenceUnitInfoAdapter empty = new PersistenceUnitInfoAdapter();
    {
      // as object
      EntityManagerFactoryBuilderImpl builder =
          (EntityManagerFactoryBuilderImpl)
              Bootstrap.getEntityManagerFactoryBuilder(
                  empty,
                  Collections.singletonMap(
                      AvailableSettings.SHARED_CACHE_MODE, SharedCacheMode.DISABLE_SELECTIVE));
      assertEquals(
          SharedCacheMode.DISABLE_SELECTIVE,
          builder.getConfigurationValues().get(AvailableSettings.SHARED_CACHE_MODE));
    }
    {
      // as string
      EntityManagerFactoryBuilderImpl builder =
          (EntityManagerFactoryBuilderImpl)
              Bootstrap.getEntityManagerFactoryBuilder(
                  empty,
                  Collections.singletonMap(
                      AvailableSettings.SHARED_CACHE_MODE,
                      SharedCacheMode.DISABLE_SELECTIVE.name()));
      assertEquals(
          SharedCacheMode.DISABLE_SELECTIVE.name(),
          builder.getConfigurationValues().get(AvailableSettings.SHARED_CACHE_MODE));
    }

    // next, via the PUI
    PersistenceUnitInfoAdapter adapter =
        new PersistenceUnitInfoAdapter() {
          @Override
          public SharedCacheMode getSharedCacheMode() {
            return SharedCacheMode.ENABLE_SELECTIVE;
          }
        };
    {
      EntityManagerFactoryBuilderImpl builder =
          (EntityManagerFactoryBuilderImpl) Bootstrap.getEntityManagerFactoryBuilder(adapter, null);
      assertEquals(
          SharedCacheMode.ENABLE_SELECTIVE,
          builder.getConfigurationValues().get(AvailableSettings.SHARED_CACHE_MODE));
    }

    // via both, integration vars should take precedence
    {
      EntityManagerFactoryBuilderImpl builder =
          (EntityManagerFactoryBuilderImpl)
              Bootstrap.getEntityManagerFactoryBuilder(
                  adapter,
                  Collections.singletonMap(
                      AvailableSettings.SHARED_CACHE_MODE, SharedCacheMode.DISABLE_SELECTIVE));
      assertEquals(
          SharedCacheMode.DISABLE_SELECTIVE,
          builder.getConfigurationValues().get(AvailableSettings.SHARED_CACHE_MODE));
    }
  }
  @Test
  public void testContainerBootstrapValidationMode() {
    // first, via the integration vars
    PersistenceUnitInfoAdapter empty = new PersistenceUnitInfoAdapter();
    {
      // as object
      EntityManagerFactoryBuilderImpl builder =
          (EntityManagerFactoryBuilderImpl)
              Bootstrap.getEntityManagerFactoryBuilder(
                  empty,
                  Collections.singletonMap(
                      AvailableSettings.VALIDATION_MODE, ValidationMode.CALLBACK));
      assertEquals(
          ValidationMode.CALLBACK,
          builder.getConfigurationValues().get(AvailableSettings.VALIDATION_MODE));
    }
    {
      // as string
      EntityManagerFactoryBuilderImpl builder =
          (EntityManagerFactoryBuilderImpl)
              Bootstrap.getEntityManagerFactoryBuilder(
                  empty,
                  Collections.singletonMap(
                      AvailableSettings.VALIDATION_MODE, ValidationMode.CALLBACK.name()));
      assertEquals(
          ValidationMode.CALLBACK.name(),
          builder.getConfigurationValues().get(AvailableSettings.VALIDATION_MODE));
    }

    // next, via the PUI
    PersistenceUnitInfoAdapter adapter =
        new PersistenceUnitInfoAdapter() {
          @Override
          public ValidationMode getValidationMode() {
            return ValidationMode.CALLBACK;
          }
        };
    {
      EntityManagerFactoryBuilderImpl builder =
          (EntityManagerFactoryBuilderImpl) Bootstrap.getEntityManagerFactoryBuilder(adapter, null);
      assertEquals(
          ValidationMode.CALLBACK,
          builder.getConfigurationValues().get(AvailableSettings.VALIDATION_MODE));
    }

    // via both, integration vars should take precedence
    {
      EntityManagerFactoryBuilderImpl builder =
          (EntityManagerFactoryBuilderImpl)
              Bootstrap.getEntityManagerFactoryBuilder(
                  adapter,
                  Collections.singletonMap(AvailableSettings.VALIDATION_MODE, ValidationMode.NONE));
      assertEquals(
          ValidationMode.NONE,
          builder.getConfigurationValues().get(AvailableSettings.VALIDATION_MODE));
    }
  }