gistfile1.js

var lorem = require('lorem-ipsum'),
    exercise = require('workshopper-exercise')(),
    filecheck = require('workshopper-exercise/filecheck'),
    execute = require('workshopper-exercise/execute'),
    comparestdout = require('workshopper-exercise/comparestdout'),
    path = require("path"),
    os = require("os"),
    fs = require("fs"),
    assert = require("assert"),
    tmpFile = path.join(os.tmpDir(), "_generators-adventure_" + process.pid + ".txt");

exercise = filecheck(exercise);
exercise = execute(exercise);

exercise.addSetup(function(mode, callback) {
    this.submission = this.args[0];
    if (!this.solution) this.solution = path.join(this.dir, './solution/solution.js');

    this.submissionModule = require(process.cwd() + '/' + this.submission);
    this.solutionModule = require(this.solution);
    this._tmpFile = tmpFile;

    fs.writeFile(tmpFile, lorem(), "utf8", function (err) {
        if (err) {
            callback(err);
        }

        process.nextTick(callback);
    });
})

exercise.addVerifyProcessor(function(callback) {
    var self = this;

    self.submissionModule(self._tmpFile)(function (err, submissionContents) {
        self.solutionModule(self._tmpFile)(function (err, solutionContents) {
            assert.equal(submissionContents.toString(), solutionContents.toString());
            callback();
        });
    });
});

exercise.addCleanup(function (mode, passed, callback) {
    fs.unlink(tmpFile, callback);
});

module.exports = exercise;