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Source:Can I specify a class wide group on a TestNG test case?
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
public class RetryRule implements TestRule {
private int retryCount;
public RetryRule (int retryCount) {
this.retryCount = retryCount;
}
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;
// implement retry logic here
for (int i = 0; i < retryCount; i++) {
try {
base.evaluate();
return;
} catch (Throwable t) {
caughtThrowable = t;
// System.out.println(": run " + (i+1) + " failed");
System.err.println(description.getDisplayName() + ": run " + (i + 1) + " failed.");
}
}
System.err.println(description.getDisplayName() + ": giving up after " + retryCount + " failures.");
throw caughtThrowable;
}
};
}
}
