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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.test;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import java.util.Collection;
/**
* Checks if a collection of strings contains at least one string with the expected regex pattern.
*
* @author gjoranv
* @since 5.1.8
*/
public class CollectionPatternMatcher extends BaseMatcher<Collection<String>> {
private final String pattern;
public CollectionPatternMatcher(String pattern) {
this.pattern = pattern;
}
@Override
public void describeTo(Description description) {
description.appendText("contains a string that matches expression '" + pattern + "'");
}
@Override
public boolean matches(Object o) {
@SuppressWarnings("unchecked")
Collection<String> strings = (Collection<String>) o;
for (String s : strings)
if (s.matches(pattern))
return true;
return false;
}
@Factory
public static <T> Matcher<Collection<String>> containsStringWithPattern(String pattern) {
return new CollectionPatternMatcher(pattern);
}
}
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