package org.apache.lucene.util;
import org.junit.Assert;
import org.junit.internal.AssumptionViolatedException;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import com.carrotsearch.randomizedtesting.RandomizedTest;
import com.carrotsearch.randomizedtesting.annotations.Repeat;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/**
* This rule keeps a count of failed tests (suites) and will result in an
* {@link AssumptionViolatedException} after a given number of failures for all
* tests following this condition.
*
* <p>
* Aborting quickly on failed tests can be useful when used in combination with
* test repeats (via the {@link Repeat} annotation or system property).
*/
public final class TestRuleIgnoreAfterMaxFailures implements TestRule {
/**
* Maximum failures. Package scope for tests.
*/
int maxFailures;
/**
* Current count of failures. Package scope for tests.
*/
int failuresSoFar;
/**
* @param maxFailures
* The number of failures after which all tests are ignored. Must be
* greater or equal 1.
*/
public TestRuleIgnoreAfterMaxFailures(int maxFailures) {
Assert.assertTrue("maxFailures must be >= 1: " + maxFailures, maxFailures >= 1);
this.maxFailures = maxFailures;
}
@Override
public Statement apply(final Statement s, final Description d) {
return new Statement() {
@Override
public void evaluate() throws Throwable {
if (failuresSoFar >= maxFailures) {
RandomizedTest.assumeTrue("Ignored, failures limit reached (" +
failuresSoFar + " >= " + maxFailures + ").", false);
}
try {
s.evaluate();
} catch (Throwable t) {
if (!TestRuleMarkFailure.isAssumption(t)) {
failuresSoFar++;
}
throw t;
}
}
};
}
}