FromClassViewAttributeFactoriesTest.java

package org.robobinding.viewattribute.grouped;

import static org.junit.Assert.assertNotNull;

import org.junit.Test;
import org.robobinding.BindingContext;
import org.robobinding.viewattribute.ViewAttributeBinder;

/**
 * 
 * @since 1.0
 * @version $Revision: 1.0 $
 * @author Robert Taylor
 * @author Cheng Wei
 */
public class FromClassViewAttributeFactoriesTest {

	@Test
	public void shouldCreateNewInstanceFromClass() {
		ViewAttributeBinder viewAttributeBinder = FromClassViewAttributeFactories.newViewAttribute(ViewAttributeBinderImpl.class);

		assertNotNull(viewAttributeBinder);
	}

	@Test(expected = RuntimeException.class)
	public void givenSuppliedClassIsAbstract_shouldThrowRuntimeException() {
		FromClassViewAttributeFactories.newViewAttribute(AbstractViewAttribute.class);
	}

	@Test(expected = RuntimeException.class)
	public void givenSuppliedClassIsNotVisible_shouldThrowRuntimeException() {
		FromClassViewAttributeFactories.newViewAttribute(NonVisibleViewAttribute.class);
	}

	public static class ViewAttributeBinderImpl implements ViewAttributeBinder {
		@Override
		public void bindTo(BindingContext bindingContext) {
		}

		@Override
		public void preInitializeView(BindingContext bindingContext) {
		}
	}

	public abstract static class AbstractViewAttribute implements ViewAttributeBinder {
	}

	private static class NonVisibleViewAttribute implements ViewAttributeBinder {
		@Override
		public void bindTo(BindingContext bindingContext) {
		}

		@Override
		public void preInitializeView(BindingContext bindingContext) {
		}
	}
}