jstests/core/where_tolerates_js_exception.js


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/**
 * Test that $where fails gracefully when user-provided JavaScript code throws and that the user
 * gets back the JavaScript stacktrace.
 *
 * @tags: [
 *   requires_non_retryable_commands,
 *   requires_scripting,
 * ]
 */
(function() {
    "use strict";

    const collection = db.where_tolerates_js_exception;
    collection.drop();

    assert.commandWorked(collection.save({a: 1}));

    const res = collection.runCommand("find", {
        filter: {
            $where: function myFunction() {
                return a();
            }
        }
    });

    assert.commandFailedWithCode(res, ErrorCodes.JSInterpreterFailure);
    assert(/ReferenceError/.test(res.errmsg),
           () => "$where didn't failed with a ReferenceError: " + tojson(res));
    assert(/myFunction@/.test(res.errmsg),
           () => "$where didn't return the JavaScript stacktrace: " + tojson(res));
    assert(!res.hasOwnProperty("stack"),
           () => "$where shouldn't return JavaScript stacktrace separately: " + tojson(res));
    assert(!res.hasOwnProperty("originalError"),
           () => "$where shouldn't return wrapped version of the error: " + tojson(res));
})();