mirror of
https://github.com/harttle/liquidjs.git
synced 2026-09-15 12:20:40 -07:00
Jun Yang
64e0c876e9
BREAKING CHANGE: Options and method names in JavaScript API are now renamed to cammelCase, for a complete list see #109
97 lines
3.1 KiB
TypeScript
97 lines
3.1 KiB
TypeScript
import * as chai from 'chai'
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import * as sinonChai from 'sinon-chai'
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import * as sinon from 'sinon'
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import * as _ from '../../../src/util/underscore'
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const expect = chai.expect
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chai.use(sinonChai)
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describe('util/underscore', function () {
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describe('.isString()', function () {
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it('should return true for literal string', function () {
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expect(_.isString('foo')).to.be.true
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})
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it('should return true String instance', function () {
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expect(_.isString(String('foo'))).to.be.true
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})
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it('should return false for 123 ', function () {
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expect(_.isString(123)).to.be.false
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})
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})
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describe('.stringify()', function () {
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it('should respect to toLiquid() method', function () {
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expect(_.stringify({ toLiquid: () => 'foo' })).to.equal('foo')
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})
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it('should recursively call toLiquid()', function () {
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expect(_.stringify({ toLiquid: () => ({ toLiquid: () => 'foo' }) })).to.equal('foo')
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})
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it('should return "" for null', function () {
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expect(_.stringify(null)).to.equal('')
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})
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it('should return "" for undefined', function () {
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expect(_.stringify(undefined)).to.equal('')
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})
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it('should return regex string for RegExp', function () {
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const reg = /foo/g
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expect(_.stringify(reg)).to.equal('/foo/g')
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})
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it('should return locale string for date', function () {
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const date = new Date('2018-10-01T14:51:00.000Z')
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// Mon Oct 01 2018 22:51:00 GMT+0800 (CST)
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expect(_.stringify(date)).to.equal(date.toString())
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})
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})
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describe('.forOwn()', function () {
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it('should iterate all properties', function () {
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const spy = sinon.spy()
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const obj = {
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foo: 'bar'
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}
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_.forOwn(obj, spy)
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expect(spy).to.have.been.calledWith('bar', 'foo', obj)
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})
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it('should default to empty object', function () {
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const spy = sinon.spy()
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_.forOwn(undefined, spy)
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expect(spy).to.have.not.been.called
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})
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it('should not iterate over properties on prototype', function () {
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const spy = sinon.spy()
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const obj = Object.create({
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bar: 'foo'
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})
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obj.foo = 'bar'
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_.forOwn(obj, spy)
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expect(spy).to.have.been.calledOnce
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expect(spy).to.have.been.calledWith('bar', 'foo', obj)
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})
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it('should break when returned false', function () {
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const spy = sinon.stub().returns(false)
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_.forOwn({
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'foo': 'foo',
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'bar': 'foo'
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}, spy)
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expect(spy).to.have.been.calledOnce
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})
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})
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describe('.range()', function () {
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it('should return a range of integers', function () {
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expect(_.range(3, 5)).to.deep.equal([3, 4])
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})
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})
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describe('.isObject()', function () {
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it('should return true for function', function () {
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expect(_.isObject((x: any) => x)).to.be.true
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})
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it('should return true for plain object', function () {
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expect(_.isObject({})).to.be.true
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})
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it('should return false for null', function () {
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expect(_.isObject(null)).to.be.false
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})
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it('should return false for number', function () {
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expect(_.isObject(2)).to.be.false
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})
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})
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})
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