ByBindingAttributeMappingsResolverTest.java

package org.robobinding.binder;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
import static org.robobinding.binder.MockInitializedBindingAttributeMappingsBuilder.aBindingAttributeMappings;

import java.util.Collection;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.mockito.runners.MockitoJUnitRunner;
import org.robobinding.PendingAttributesForView;
import org.robobinding.ViewResolutionErrors;
import org.robobinding.viewattribute.ViewAttributeBinder;
import org.robobinding.viewattribute.event.EventViewAttributeBinder;
import org.robobinding.viewattribute.grouped.GroupedViewAttributeBinder;
import org.robobinding.viewattribute.property.MultiTypePropertyViewAttributeBinder;
import org.robobinding.viewattribute.property.PropertyViewAttributeBinder;
import org.robobinding.viewbinding.InitailizedBindingAttributeMappings;

import com.google.common.collect.Sets;

/**
 * 
 * @since 1.0
 * @version $Revision: 1.0 $
 * @author Cheng Wei
 */
@RunWith(MockitoJUnitRunner.class)
public class ByBindingAttributeMappingsResolverTest {
	private PendingAttributesForView pendingAttributesForView;

	@Before
	public void setUp() {
		pendingAttributesForView = new MockPendingAttributesForView();
	}

	@Test
	public void givenAPropertyAttribute_whenResolve_thenAResolvedPropertyViewAttributeShouldBeReturned() {
		PropertyViewAttributeBinder viewAttributeBinder = Mockito.mock(PropertyViewAttributeBinder.class);
		ByBindingAttributeMappingsResolver byBindingAttributeMappingsResolver = newByBindingAttributeMappingsResolver(
				aBindingAttributeMappings().withPropertyAttribute("propertyAttribute", viewAttributeBinder).build());

		Collection<ViewAttributeBinder> viewAttributes = byBindingAttributeMappingsResolver.resolve(pendingAttributesForView);

		assertThat(Sets.newHashSet(viewAttributes), equalTo(Sets.<ViewAttributeBinder> newHashSet(viewAttributeBinder)));
	}

	@Test
	public void givenAMultiTypePropertyAttribute_whenResolve_thenAResolvedMultiTypePropertyViewAttributeShouldBeReturned() {
		MultiTypePropertyViewAttributeBinder viewAttributeBinder = Mockito.mock(MultiTypePropertyViewAttributeBinder.class);
		ByBindingAttributeMappingsResolver byBindingAttributeMappingsResolver = newByBindingAttributeMappingsResolver(
				aBindingAttributeMappings().withMultiTypePropertyAttribute("multiTypePropertyAttribute", viewAttributeBinder).build());

		Collection<ViewAttributeBinder> viewAttributes = byBindingAttributeMappingsResolver.resolve(pendingAttributesForView);

		assertThat(Sets.newHashSet(viewAttributes), equalTo(Sets.<ViewAttributeBinder> newHashSet(viewAttributeBinder)));
	}

	@Test
	public void givenAnEventAttribute_whenResolve_thenAResolvedEventViewAttributeShouldBeReturned() {
		EventViewAttributeBinder viewAttributeBinder = Mockito.mock(EventViewAttributeBinder.class);
		ByBindingAttributeMappingsResolver byBindingAttributeMappingsResolver = newByBindingAttributeMappingsResolver(
				aBindingAttributeMappings().withEventAttribute("eventAttribute", viewAttributeBinder).build());

		Collection<ViewAttributeBinder> viewAttributes = byBindingAttributeMappingsResolver.resolve(pendingAttributesForView);

		assertThat(Sets.newHashSet(viewAttributes), equalTo(Sets.<ViewAttributeBinder> newHashSet(viewAttributeBinder)));
	}

	@Test
	public void givenAnAttributeGroup_whenResolve_thenAResolvedGroupedViewAttributeShouldBeReturned() {
		String[] attributeGroup = { "group_attribute1", "group_attribute2" };
		GroupedViewAttributeBinder viewAttributeBinder = Mockito.mock(GroupedViewAttributeBinder.class);
		ByBindingAttributeMappingsResolver byBindingAttributeMappingsResolver = newByBindingAttributeMappingsResolver(aBindingAttributeMappings()
				.withAttributeGroup(attributeGroup, viewAttributeBinder).build());

		Collection<ViewAttributeBinder> viewAttributes = byBindingAttributeMappingsResolver.resolve(pendingAttributesForView);

		assertThat(Sets.newHashSet(viewAttributes), equalTo(Sets.<ViewAttributeBinder> newHashSet(viewAttributeBinder)));
	}

	private ByBindingAttributeMappingsResolver newByBindingAttributeMappingsResolver(InitailizedBindingAttributeMappings bindingAttributeMappings) {
		return new ByBindingAttributeMappingsResolver(bindingAttributeMappings);
	}

	private static class MockPendingAttributesForView implements PendingAttributesForView {
		@Override
		public void resolveAttributeGroupIfExists(String[] attributeGroup, AttributeGroupResolver attributeGroupResolver) {
			attributeGroupResolver.resolve(null, attributeGroup, null);
		}

		@Override
		public void resolveAttributeIfExists(String attribute, AttributeResolver attributeResolver) {
			attributeResolver.resolve(null, attribute, null);
		}

		@Override
		public Object getView() {
			throw new UnsupportedOperationException();
		}

		@Override
		public ViewResolutionErrors getResolutionErrors() {
			throw new UnsupportedOperationException();
		}

		@Override
		public boolean isEmpty() {
			throw new UnsupportedOperationException();
		}
	}

}