org.dmfs.jems.hamcrest.matchers.predicate.PredicateMatcher Maven / Gradle / Ivy
/*
* Copyright 2018 dmfs GmbH
*
*
* 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 org.dmfs.jems.hamcrest.matchers.predicate;
import org.dmfs.jems.predicate.Predicate;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeDiagnosingMatcher;
/**
* A {@link Matcher} for {@link Predicate}s.
*
* @author Marten Gajda
*/
public final class PredicateMatcher extends TypeSafeDiagnosingMatcher>
{
private final T mTestee;
public static Matcher> satisfiedBy(T testee)
{
return new PredicateMatcher<>(testee);
}
public PredicateMatcher(T mTestee)
{
this.mTestee = mTestee;
}
@Override
protected boolean matchesSafely(Predicate item, Description mismatchDescription)
{
if (!item.satisfiedBy(mTestee))
{
mismatchDescription.appendText(String.format("was not satisfied by %s", mTestee));
return false;
}
return true;
}
@Override
public void describeTo(Description description)
{
description.appendText(String.format("satisfied by %s", mTestee));
}
}