Package edu.odu.cs.zeil.codegrader.oracle

Class ExternalOracle

java.lang.Object

edu.odu.cs.zeil.codegrader.oracle.Oracle

edu.odu.cs.zeil.codegrader.oracle.ExternalOracle

public class ExternalOracle
extends Oracle

Oracle that works by running an external command.

Nested Class Summary

Nested classes/interfaces inherited from class edu.odu.cs.zeil.codegrader.oracle.Oracle

Oracle.ScoringOptions

Field Summary

Fields inherited from class edu.odu.cs.zeil.codegrader.oracle.Oracle

PASSED_TEST_MESSAGE

Constructor Summary

Constructors

Constructor	Description
ExternalOracle(OracleProperties config, TestCase testCase, Submission sub, Stage submitterStage)	Create an oracle that launches an external command.

Method Summary

Modifier and Type	Method	Description
OracleResult	compare(java.lang.String expected, java.lang.String actual)	Compare two strings to see if one is an acceptable variant of the other.
OracleResult	executeOracle(java.io.File expected, java.io.File actual)	Runs the test case using the code in submission.

Methods inherited from class edu.odu.cs.zeil.codegrader.oracle.Oracle

getCap, getCommand, getIgnoreCase, getIgnoreEmptyLines, getIgnorePunctuation, getIgnoreWS, getNumbersOnly, getPattern, getPrecision, getScoring, getStage, getSubmission, getTestCase

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExternalOracle

public ExternalOracle(OracleProperties config,
                      TestCase testCase,
                      Submission sub,
                      Stage submitterStage)

Create an oracle that launches an external command.

Parameters:

config - properties

testCase - the test case on which it is applied

sub - submission being evaluated

submitterStage - stage where submitter code has been built

Method Detail

compare

public OracleResult compare(java.lang.String expected,
                            java.lang.String actual)

Compare two strings to see if one is an acceptable variant of the other. The precise meaning of "acceptable" depends on the settings.

Specified by:

compare in class Oracle

Parameters:

expected - the expected string

actual - the string being examined

Returns:

true if actual is an acceptable variant of expected.

executeOracle

public OracleResult executeOracle(java.io.File expected,
                                  java.io.File actual)

Runs the test case using the code in submission. Standard out and standard err are captured and available as getOutput() and getErr(). The status code is also available.

Parameters:

expected - file with expected output

actual - file with actual output

Returns:

result of executing the oracle