invoice-fs/test/testInvoiceNumberGenerator.js

Nostalgic command-line invoicing application producing plain text invoices and JSON data structures. Uses the file system as a database

var state = require('../lib/state'),
    number = state.get('number'),
    paths = state.get('paths'),
    fs = require('fs'),
    generator = require('../lib/invoiceNumberGenerator');

exports.testPadWhenNarrow = function (test) {
    test.equals(generator.padWhenNarrow(5, 999), "00999", "The number was not padded correctly");
    test.equals(generator.padWhenNarrow(5, 99999), "99999", "The number was not padded correctly");
    test.equals(generator.padWhenNarrow(5, 9999999), "9999999", "The number was not padded correctly");
    test.done();
};

exports.testGet = function (test) {

    test.equals(generator.getInvoiceNumber(), "TEST00001X", "The number was not generated correctly");
    test.equals(generator.getInvoiceNumber(), "TEST00002X", "The number was not generated correctly");
    test.equals(generator.getInvoiceNumber(), "TEST00003X", "The number was not generated correctly");
    test.done();
};

exports.setUp = function (callback) {
    state.set('number', 1);
    state.set('numberPrefix', "TEST");
    state.set('numberSuffix', "X");
    state.set('minimumNumberWidth', 5, function() {
        callback();
    });
};

exports.tearDown = function (callback) {
    state.set('number', number);
    fs.readdir(paths.invoices, function(err, files) {
        for (file in files) {
            if (files[file].match(/^TEST/)) {
                fs.unlink(paths.invoices + files[file]);
            }
        }
    });
    callback();
};