131 lines
1.5 KiB
Markdown
131 lines
1.5 KiB
Markdown
---
|
|
title: Sinon
|
|
category: JavaScript libraries
|
|
layout: 2017/sheet
|
|
weight: -1
|
|
updated: 2017-10-27
|
|
---
|
|
|
|
### Creating spies
|
|
|
|
```js
|
|
fn = sinon.spy()
|
|
fn()
|
|
```
|
|
|
|
```js
|
|
fn.calledOnce == true
|
|
fn.callCount == 1
|
|
```
|
|
|
|
### Spying/stubbing
|
|
|
|
```js
|
|
sinon.spy($, 'ajax')
|
|
```
|
|
|
|
```js
|
|
$.ajax();
|
|
$.ajax.calledOnce == true
|
|
```
|
|
|
|
```js
|
|
sinon.stub($, 'ajax', function () { ... }) // function optional
|
|
```
|
|
|
|
```js
|
|
$.ajax.calledWithMatch({ url: '/x' })
|
|
$.ajax.restore()
|
|
```
|
|
|
|
### Spy/stub properties
|
|
|
|
```js
|
|
spy
|
|
.args //=> [ [..], [..] ] one per call
|
|
.thisValues
|
|
.returnValues
|
|
```
|
|
|
|
```js
|
|
.called //=> true
|
|
.notCalled
|
|
.callCount
|
|
.calledOnce
|
|
.calledTwice
|
|
.calledThrice
|
|
```
|
|
|
|
```js
|
|
.getCalls() //=> Array
|
|
.getCall(0)
|
|
.firstCall
|
|
```
|
|
|
|
### Anonymous stub
|
|
|
|
```js
|
|
stub = sinon.stub().returns(42)
|
|
stub() == 42
|
|
```
|
|
|
|
```js
|
|
stub
|
|
.withArgs(42).returns(1)
|
|
.withArgs(43).throws("TypeError")
|
|
```
|
|
|
|
```js
|
|
stub
|
|
.returns(1)
|
|
.throws("TypeError")
|
|
.returnsArg(0) // Return 1st argument
|
|
.callsArg(0)
|
|
```
|
|
|
|
### Fake date
|
|
|
|
```js
|
|
sinon.useFakeTimers(+new Date(2011,9,1));
|
|
```
|
|
|
|
### Fake server
|
|
|
|
```js
|
|
server = sinon.fakeServer.create()
|
|
```
|
|
|
|
```js
|
|
$.get('/file.json', ...)
|
|
server.requests[0].respond(
|
|
200,
|
|
{ 'Content-Type': 'application/json' },
|
|
JSON.stringify({ hello: 'world' })
|
|
)
|
|
```
|
|
|
|
```js
|
|
server.restore()
|
|
```
|
|
|
|
### Fake XHR
|
|
|
|
```js
|
|
xhr = sinon.useFakeXMLHttpRequest()
|
|
xhr.restore()
|
|
```
|
|
|
|
### Sandbox
|
|
|
|
```js
|
|
beforeEach(function() {
|
|
global.sinon = require('sinon').sandbox.create()
|
|
})
|
|
```
|
|
|
|
```js
|
|
afterEach(function() {
|
|
global.sinon.restore()
|
|
})
|
|
```
|