org.dmfs.jems.hamcrest.matchers.throwable.ThrowableMatcher Maven / Gradle / Ivy
/*
* Copyright 2019 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.throwable;
import org.hamcrest.Matcher;
import static org.dmfs.jems.hamcrest.matchers.LambdaMatcher.having;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
/**
* A collection of {@link Matcher}s for {@link Throwable}s.
*
* TODO: consider implementing a custom Matcher instead of using instanceOf to get better error messages
*
* @author Marten Gajda
*/
public final class ThrowableMatcher
{
@SafeVarargs
public static Matcher throwable(Matcher... features)
{
return allOf(features);
}
public static Matcher throwable(Class exceptionClass)
{
return instanceOf(exceptionClass);
}
public static Matcher throwable(Class exceptionClass, Iterable> features)
{
return allOf(instanceOf(exceptionClass), allOf(features));
}
@SafeVarargs
public static Matcher throwable(Class exceptionClass, Matcher... features)
{
return allOf(instanceOf(exceptionClass), allOf(features));
}
public static Matcher withMessage(Matcher messageMatcher)
{
return having("message", Throwable::getMessage, messageMatcher);
}
public static Matcher withMessage(String message)
{
return having("message", Throwable::getMessage, is(message));
}
public static Matcher causedBy(Matcher reasonMatcher)
{
return having("caused by", Throwable::getCause, reasonMatcher);
}
}