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JUnit is a unit testing framework for Java, created by Erich Gamma and Kent Beck.
package org.junit.internal.requests;
import org.junit.internal.runners.ErrorReportingRunner;
import org.junit.runner.Request;
import org.junit.runner.Runner;
import org.junit.runner.manipulation.Filter;
import org.junit.runner.manipulation.NoTestsRemainException;
/**
* A filtered {@link Request}.
*/
public final class FilterRequest extends Request {
private final Request request;
/*
* We have to use the f prefix, because IntelliJ's JUnit4IdeaTestRunner uses
* reflection to access this field. See
* https://github.com/junit-team/junit4/issues/960
*/
private final Filter fFilter;
/**
* Creates a filtered Request
*
* @param request a {@link Request} describing your Tests
* @param filter {@link Filter} to apply to the Tests described in
* request
*/
public FilterRequest(Request request, Filter filter) {
this.request = request;
this.fFilter = filter;
}
@Override
public Runner getRunner() {
try {
Runner runner = request.getRunner();
fFilter.apply(runner);
return runner;
} catch (NoTestsRemainException e) {
return new ErrorReportingRunner(Filter.class, new Exception(String
.format("No tests found matching %s from %s", fFilter
.describe(), request.toString())));
}
}
}