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luhn-generator

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A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

52 lines (47 loc) 1.29 kB
'use strict'; var Runnable = require('./runnable'); var utils = require('./utils'); var errors = require('./errors'); var createInvalidArgumentTypeError = errors.createInvalidArgumentTypeError; var isString = utils.isString; module.exports = Test; /** * Initialize a new `Test` with the given `title` and callback `fn`. * * @public * @class * @extends Runnable * @param {String} title - Test title (required) * @param {Function} [fn] - Test callback. If omitted, the Test is considered "pending" */ function Test(title, fn) { if (!isString(title)) { throw createInvalidArgumentTypeError( 'Test argument "title" should be a string. Received type "' + typeof title + '"', 'title', 'string' ); } Runnable.call(this, title, fn); this.pending = !fn; this.type = 'test'; } /** * Inherit from `Runnable.prototype`. */ utils.inherits(Test, Runnable); Test.prototype.clone = function() { var test = new Test(this.title, this.fn); test.timeout(this.timeout()); test.slow(this.slow()); test.enableTimeouts(this.enableTimeouts()); test.retries(this.retries()); test.currentRetry(this.currentRetry()); test.globals(this.globals()); test.parent = this.parent; test.file = this.file; test.ctx = this.ctx; return test; };