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package org.junit.experimental.results;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.List;
import org.junit.internal.TextListener;
import org.junit.runner.JUnitCore;
import org.junit.runner.Request;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
/**
* A test result that prints nicely in error messages.
* This is only intended to be used in JUnit self-tests.
* For example:
*
* <pre>
* assertThat(testResult(HasExpectedException.class), isSuccessful());
* </pre>
*/
public class PrintableResult {
/**
* The result of running JUnit on {@code type}
*/
public static PrintableResult testResult(Class<?> type) {
return testResult(Request.aClass(type));
}
/**
* The result of running JUnit on Request {@code request}
*/
public static PrintableResult testResult(Request request) {
return new PrintableResult(new JUnitCore().run(request));
}
private Result result;
/**
* A result that includes the given {@code failures}
*/
public PrintableResult(List<Failure> failures) {
this(new FailureList(failures).result());
}
private PrintableResult(Result result) {
this.result = result;
}
@Override
public String toString() {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
new TextListener(new PrintStream(stream)).testRunFinished(result);
return stream.toString();
}
/**
* Returns the number of failures in this result.
*/
public int failureCount() {
return result.getFailures().size();
}
}
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