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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

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'use strict'; var Test = require('../test'); var EVENT_FILE_PRE_REQUIRE = require('../suite').constants .EVENT_FILE_PRE_REQUIRE; /** * TDD-style interface: * * suite('Array', function() { * suite('#indexOf()', function() { * suiteSetup(function() { * * }); * * test('should return -1 when not present', function() { * * }); * * test('should return the index when present', function() { * * }); * * suiteTeardown(function() { * * }); * }); * }); * * @param {Suite} suite Root suite. */ module.exports = function(suite) { var suites = [suite]; suite.on(EVENT_FILE_PRE_REQUIRE, function(context, file, mocha) { var common = require('./common')(suites, context, mocha); context.setup = common.beforeEach; context.teardown = common.afterEach; context.suiteSetup = common.before; context.suiteTeardown = common.after; context.run = mocha.options.delay && common.runWithSuite(suite); /** * Describe a "suite" with the given `title` and callback `fn` containing * nested suites and/or tests. */ context.suite = function(title, fn) { return common.suite.create({ title: title, file: file, fn: fn }); }; /** * Pending suite. */ context.suite.skip = function(title, fn) { return common.suite.skip({ title: title, file: file, fn: fn }); }; /** * Exclusive test-case. */ context.suite.only = function(title, fn) { return common.suite.only({ title: title, file: file, fn: fn }); }; /** * Describe a specification or test-case with the given `title` and * callback `fn` acting as a thunk. */ context.test = function(title, fn) { var suite = suites[0]; if (suite.isPending()) { fn = null; } var test = new Test(title, fn); test.file = file; suite.addTest(test); return test; }; /** * Exclusive test-case. */ context.test.only = function(title, fn) { return common.test.only(mocha, context.test(title, fn)); }; context.test.skip = common.test.skip; context.test.retries = common.test.retries; }); }; module.exports.description = 'traditional "suite"/"test" instead of BDD\'s "describe"/"it"';