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package org.junit.runner.notification;
import java.io.PrintWriter;
import java.io.Serializable;
import java.io.StringWriter;
import org.junit.runner.Description;
/**
* A <code>Failure</code> holds a description of the failed test and the
* exception that was thrown while running it. In most cases the {@link org.junit.runner.Description}
* will be of a single test. However, if problems are encountered while constructing the
* test (for example, if a {@link org.junit.BeforeClass} method is not static), it may describe
* something other than a single test.
*/
public class Failure implements Serializable {
private static final long serialVersionUID = 1L;
private final Description fDescription;
private final Throwable fThrownException;
/**
* Constructs a <code>Failure</code> with the given description and exception.
* @param description a {@link org.junit.runner.Description} of the test that failed
* @param thrownException the exception that was thrown while running the test
*/
public Failure(Description description, Throwable thrownException) {
fThrownException = thrownException;
fDescription= description;
}
/**
* @return a user-understandable label for the test
*/
public String getTestHeader() {
return fDescription.getDisplayName();
}
/**
* @return the raw description of the context of the failure.
*/
public Description getDescription() {
return fDescription;
}
/**
* @return the exception thrown
*/
public Throwable getException() {
return fThrownException;
}
@Override
public String toString() {
StringBuffer buffer= new StringBuffer();
buffer.append(getTestHeader() + ": "+fThrownException.getMessage());
return buffer.toString();
}
/**
* Convenience method
* @return the printed form of the exception
*/
public String getTrace() {
StringWriter stringWriter= new StringWriter();
PrintWriter writer= new PrintWriter(stringWriter);
getException().printStackTrace(writer);
StringBuffer buffer= stringWriter.getBuffer();
return buffer.toString();
}
/**
* Convenience method
* @return the message of the thrown exception
*/
public String getMessage() {
return getException().getMessage();
}
}
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