freeCodeCamp/guide/arabic/miscellaneous/chaijs-cheatsheet/index.md

2.5 KiB

title localeTitle
Chaijs Cheatsheet Chaigs Cheatsheet

يجزم

`assert(val) assert.fail(actual, expected) assert.ok(val) // is truthy assert.equal(actual, expected) // 'compare with ==' assert.strictEqual assert.deepEqual

assert.isTrue assert.isFalse

assert.isNull assert.isNotNull assert.isUndefined assert.isDefined assert.isFunction assert.isObject assert.isArray assert.isString assert.isNumber assert.isBoolean

assert.typeOf(/tea/, 'regexp') // Object.prototype.toString() assert.instanceOf(chai, Tea) assert.include( a,b,c ], a) assert.match(val, /regexp/) assert.property(obj, 'tea') // 'tea' in object assert.deepProperty(obj, 'tea.green') assert.propertyVal(person, 'name', 'John') assert.deepPropertyVal(post, 'author.name', 'John')

assert.lengthOf(object, 3) assert.throws(function() { ... }) assert.throws(function() { ... }, /reference error/) assert.doesNotThrow

assert.operator(1, '<', 2) assert.closeTo(actual, expected) `

ينبغي: سلاسل

.to .be .been .is .that .and .have .with .at .of .same

لا يجب

expect(object).not.equal('x')

توقعات

`expect(object) .equal(expected) .eql .deep.equal(expected) // same as .eql .be.a('string') .include(val)

.be.ok(val) .be.true .be.false

.be.null .be.undefined .be.empty .be.arguments .be.function .be.instanceOf

.gt(5) # or .above .greaterThan .gte # or .at.least .lt(5) # or .below

.respondTo('bar') .satisfy (n) -> n > 0

.have.members([2, 3, 4]) .have.keys(['foo']) .have.key('foo')

.exist

expect(-> ...) .throw /not a function/ `

تشاي-مسج

` global.jQuery = ...; chai.use(require('chai-jquery'));

expect($body) 

  .have.attr('foo') 
  .have.prop('disabled') 
  .have.css('background') 
  .have.css('background-color', '#ffffff') 
  .have.data('foo') 

  .have.class('active') 
  .have.id('id') 

  .have.html('<em>hi</em>') 
  .have.text('hello') 
  .have.value('2013') 

  .be.visible 
  .be.hidden 

  .be.checked 
  .be.selected 

  .be.enabled 
  .be.disabled 

  .be.empty 
  .to.exist 
  .to.contain('text') 
  .to.have('.selector') 

`

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