/*
* Copyright 2013 Daniel Bechler
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.danielbechler.diff.helper;
import de.danielbechler.diff.access.Accessor;
import de.danielbechler.diff.access.CollectionItemAccessor;
import de.danielbechler.diff.node.DiffNode;
import de.danielbechler.diff.path.NodePath;
import de.danielbechler.diff.selector.CollectionItemElementSelector;
import org.fest.assertions.core.Condition;
import org.mockito.ArgumentMatcher;
import static org.mockito.Matchers.argThat;
/**
* @author Daniel Bechler
*/
public class NodeMatchers
{
private NodeMatchers()
{
}
public static Accessor collectionItemAccessor(final Object item)
{
return argThat(new ArgumentMatcher<Accessor>()
{
@Override
public boolean matches(final Object argument)
{
if (argument != null && argument instanceof CollectionItemAccessor)
{
@SuppressWarnings("TypeMayBeWeakened")
final CollectionItemAccessor accessor = (CollectionItemAccessor) argument;
final CollectionItemElementSelector collectionItemElement = new CollectionItemElementSelector(item);
return accessor.getElementSelector().equals(collectionItemElement);
}
return false;
}
});
}
public static DiffNode node(final NodePath nodePath, final Class<?> typeHint)
{
final NodeMatcher node = new NodeMatcher();
node.expectedNodePath = nodePath;
node.expectedTypeHint = typeHint;
return argThat(node);
}
public static DiffNode node(final NodePath nodePath)
{
final NodeMatcher node = new NodeMatcher();
node.expectedNodePath = nodePath;
return argThat(node);
}
public static Condition<DiffNode> state(final DiffNode.State state)
{
return new Condition<DiffNode>("state " + state.toString())
{
@Override
public boolean matches(final DiffNode value)
{
return value.getState() == state;
}
};
}
private static class NodeMatcher extends ArgumentMatcher<DiffNode>
{
private Class<?> expectedTypeHint;
private NodePath expectedNodePath;
@Override
public boolean matches(final Object argument)
{
if (argument instanceof DiffNode)
{
final DiffNode node = (DiffNode) argument;
final NodePath path = node.getPath();
if (expectedNodePath != null && path != null && !path.matches(this.expectedNodePath))
{
return false;
}
if (expectedTypeHint != null && expectedTypeHint != node.getValueType())
{
return false;
}
return true;
}
return false;
}
}
}