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/*
* Copyright 2000-2013 Vaadin Ltd.
*
* 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 com.vaadin.tests.tb3;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
/**
* <strong>ALWAYS</strong> declare the reason for using this test rule in a
* test.
*
* <p>
* Violators and abusers of this rule will be punished.
* </p>
*
* @since 7.1.14
* @author Vaadin Ltd
*/
public class RetryOnFail implements TestRule {
private int retryCount = 1;
@Override
public Statement apply(Statement base, Description description) {
return statement(base, description);
}
private Statement statement(final Statement base,
final Description description) {
return new Statement() {
@Override
public void evaluate() throws Throwable {
Throwable caughtThrowable = null;
for (int i = 0; i <= retryCount; i++) {
try {
base.evaluate();
return;
} catch (Throwable t) {
caughtThrowable = t;
System.err.println(String.format(
"%s: run %s/%s failed.",
description.getDisplayName(), i + 1,
retryCount + 1));
System.err.println(t.getMessage());
}
}
throw caughtThrowable;
}
};
}
}
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