package org.adoptopenjdk.lambda.tutorial.util;
/*
* #%L
* lambda-tutorial
* %%
* Copyright (C) 2013 Adopt OpenJDK
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-2.0.html>.
* #L%
*/
import org.hamcrest.Description;
import org.hamcrest.TypeSafeDiagnosingMatcher;
import org.junit.ComparisonFailure;
public class StringWithComparisonMatcher extends TypeSafeDiagnosingMatcher<String> {
private final String expected;
private StringWithComparisonMatcher(String expected) {
this.expected = expected;
}
public static StringWithComparisonMatcher isString(String expected) {
return new StringWithComparisonMatcher(expected);
}
@Override
public void describeTo(Description description) {
description.appendText(expected);
}
@Override
protected boolean matchesSafely(String actual, Description mismatchDescription) {
if (!expected.equals(actual)) {
String compactedMismatch = new ComparisonFailure("did not match:", expected, actual).getMessage();
mismatchDescription.appendText(compactedMismatch);
return false;
}
return true;
}
}