public static function run_test($test)
{
$anst = new stack_ans_test_controller($test->name, $test->studentanswer, $test->teacheranswer, new stack_options(), $test->options);
// The false clause is useful for developers to track down which test case is breaking Maxima.
if (true) {
$result = $anst->do_test();
// This actually executes the answer test in the CAS.
$errors = $anst->get_at_errors();
$rawmark = $anst->get_at_mark();
$feedback = $anst->get_at_feedback();
$ansnote = $anst->get_at_answernote();
} else {
$feedback = 'AT' . $test->name . '(' . $test->studentanswer . ',' . $test->teacheranswer . ');';
$result = true;
// This actually executes the answer test in the CAS.
$errors = '';
$rawmark = 0;
$ansnote = '';
}
$passed = false;
if ($rawmark === $test->expectedscore) {
$passed = true;
}
// The test failed, and we expected it to fail.
if ($errors === 'TEST_FAILED') {
if (-1 === $test->expectedscore) {
$passed = true;
} else {
$passed = false;
}
}
// These tests are all expected to fail, so we make them all pass.
if (-2 === $test->expectedscore) {
$passed = true;
}
return array($passed, $errors, $rawmark, $feedback, $ansnote);
}
/**
* Actually execute the test for this node.
*/
public function do_test($nsans, $ntans, $ncasopts, $options, stack_potentialresponse_tree_state $results)
{
if (false === $ncasopts) {
$ncasopts = $this->atoptions;
}
$at = new stack_ans_test_controller($this->answertest, $nsans, $ntans, $options, $ncasopts);
$at->do_test();
$testpassed = $at->get_at_mark();
if ($testpassed) {
$resultbranch = $this->branches[1];
$branchname = 'prtnodetruefeedback';
} else {
$resultbranch = $this->branches[0];
$branchname = 'prtnodefalsefeedback';
}
if ($at->get_at_answernote()) {
$results->add_answernote($at->get_at_answernote());
}
if ($resultbranch['answernote']) {
$results->add_answernote($resultbranch['answernote']);
}
// If the answer test is running in quiet mode we suppress any
// automatically generated feedback from the answertest itself.
if (!$this->quiet && $at->get_at_feedback()) {
$results->add_feedback($at->get_at_feedback());
}
if ($resultbranch['feedback']) {
$results->add_feedback($resultbranch['feedback'], $resultbranch['feedbackformat'], $branchname, $this->nodeid);
}
$results->_valid = $results->_valid && $at->get_at_valid();
$results->_score = $this->update_score($results->_score, $resultbranch);
if ($resultbranch['penalty'] !== '') {
$results->_penalty = $resultbranch['penalty'];
}
$results->_errors .= $at->get_at_errors();
return $resultbranch['nextnode'];
}