taro/packages/taro-h5/__tests__/base/pxTransform.test.ts at 07d9622195d071afc1998be075a192417bd23a01 · NervJS/taro · GitHub

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import { describe, expect, test } from 'vitest'

import * as Taro from '../../src/index'

describe('pxTransform', () => {
  test('pxTransform', () => {
    Taro.initPxTransform({
      designWidth: 750,
      deviceRatio: {
        640: 2.34 / 2,
        750: 1,
        828: 1.81 / 2,
      },
    })
    expect(Taro.pxTransform(20)).toBe('0.5rem')
  })

  test('pxTransform, designWidth=640', () => {
    Taro.initPxTransform({
      designWidth: 640,
      deviceRatio: {
        640: 2.34 / 2,
        750: 1,
        828: 1.81 / 2,
      },
    })
    expect(Taro.pxTransform(20)).toBe('0.585rem')
  })

  test('pxTransform, targetUnit=px', () => {
    Taro.initPxTransform({
      designWidth: 750,
      deviceRatio: {
        640: 2.34 / 2,
        750: 1,
        828: 1.81 / 2,
      },
      targetUnit: 'px'
    })
    expect(Taro.pxTransform(20)).toBe('10px')
  })

  test('pxTransform, targetUnit=px, designWidth=640', () => {
    Taro.initPxTransform({
      designWidth: 640,
      deviceRatio: {
        640: 2.34 / 2,
        750: 1,
        828: 1.81 / 2,
      },
      targetUnit: 'px'
    })
    expect(Taro.pxTransform(20)).toBe('11.7px')
  })

  test('pxTransform, targetUnit=vw', () => {
    Taro.initPxTransform({
      designWidth: 750,
      deviceRatio: {
        640: 2.34 / 2,
        750: 1,
        828: 1.81 / 2,
      },
      targetUnit: 'vw'
    })
    expect(Taro.pxTransform(375)).toBe('50vw')
  })

  test('pxTransform, targetUnit=vw, designWidth=640', () => {
    Taro.initPxTransform({
      designWidth: 640,
      deviceRatio: {
        640: 2.34 / 2,
        750: 1,
        828: 1.81 / 2,
      },
      targetUnit: 'vw'
    })
    expect(Taro.pxTransform(320)).toBe('50vw')
  })
})