import assert from 'assert' import { check, typecast, cast, toString, toBoolean } from '../src' console.log(typecast.boolean) console.log(toBoolean) describe('.string()', function () { it('should return a string', function () { assert(typecast.string(2) === '2') assert(check.isString(typecast.string(2))) }) it('should return an empty string when given a null-ish value', function () { assert(typecast.string(null) === '') assert(typecast.string(undefined) === '') }) it('should support toString', function () { assert(toString(2) === '2') assert(check.isString(toString(2))) }) }) describe('.number()', function () { it('should return a number', function () { assert(typecast.number('123') === 123) }) it('should return 0 if typecasting fails', function () { assert(typecast.number('abc') === 0) }) it('should return an 0 when given a null-ish value', function () { assert(typecast.number(null) === 0) assert(typecast.number(undefined) === 0) }) }) const adate = [1995, 11, 17, 3, 24, 0] const sdate = 'December 17, 1995 03:24:00' describe('.date()', function () { it('should return a date from a string', function () { assert(typecast.date(sdate).getTime() === 819199440000) }) it('should return a date from an array of values', function () { assert(typecast.date(...adate).getTime() === 819199440000) }) it('should return default date if typecasting fails', function () { assert(typecast.date('abc') instanceof Date) assert(typecast.date('abc').valueOf() == 0) }) it('should return default date when given a null-ish value', function () { assert(typecast.date(null) instanceof Date) assert(typecast.date(null).valueOf() == 0) assert(typecast.date(undefined) instanceof Date) assert(typecast.date(undefined).valueOf() == 0) }) }) describe('.array()', function () { it('should return an array', function () { var arr = [1, 2, 3] assert(typecast.array(arr) === arr) assert(typecast.array(1) instanceof Array) assert(typecast.array('a, b, c').length == 3) assert(typecast.array('a, b, c')[1] === 'b') }) it('should preserve non-string objects', function () { var now = new Date() assert(Array.isArray(typecast.array(now))) assert(typecast.array(now).length == 1) assert(typecast.array(now)[0] === now) }) it('should return an empty array when given a null-ish value', function () { assert(Array.isArray(typecast.array(null))) assert(typecast.array(null).length == 0) assert(Array.isArray(typecast.array(undefined))) assert(typecast.array(undefined).length == 0) }) }) describe('.boolean()', function () { it('should be using UCI to-boolean', function () { assert(typecast.boolean('true') === true) assert(typecast.boolean('nope') === false) assert(typecast.boolean('sure') === true) assert(typecast.boolean('bogus') === false) assert(typecast.boolean() === false) // undefined is false assert(typecast.boolean(-1) === false) assert(typecast.boolean(4) === true) }) }) describe('generic cast function', function () { it('should work', function () { assert(cast(123, 'string') === '123') }) it('should throw when given an invalid type', function () { var err try { typecast(1, 'invalid') } catch (e) { err = e } assert(err) }) })