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jest-network-mock

v2.0.1

Published

NetworkInformation API mock for Jest

Downloads

171

Readme

jest-network-mock

用于 Jest 的 NetworkInformation API 模拟

English | 简体中文

npm GitHub Workflow Status Codecov

安装

pnpm add -D jest-network-mock

示例

import { enableMock, disableMock, dispatch } from 'jest-network-mock'

beforeEach(() => enableMock())
afterEach(() => disableMock())

test('example', done => {
  navigator.connection.addEventListener('change', () => {
    done()
  })

  dispatch({ effectiveType: '4g' })
})

API

enableMock

启用 navigator.connection 模拟

type enableMock = (preset?: ConnectionInfo) => void

你可以使用 preset 设置 navigator.connection 的初始状态,默认使用 PRESET_4G

disableMock

禁用 navigator.connection 模拟

type disableMock = () => void

dispatch

修改 navigator.connection 状态并触发 change 事件

type dispatch = (state?: Partial<ConnectionInfo>) => boolean

你也可以在这里使用预设

预设

我们提供了一些预设,你可以在调用 enableMockdispatch 时使用:

| | PRESET_4G | PRESET_FAST_3G | PRESET_SLOW_3G | PRESET_OFFLINE | |---------------|-----------|----------------|----------------|----------------| | downlink | 10 | 1.3 | 0.35 | 0 | | downlinkMax | 20 | 2.6 | 0.7 | 0 | | effectiveType | 4g | 3g | 3g | 4g | | rtt | 250 | 500 | 1850 | 0 | | saveData | false | false | false | false | | type | wifi | wifi | wifi | none |

参考与感谢