core/packages/compiler-sfc/__tests__/templateUtils.spec.ts

import {
  isDataUrl,
  isExternalUrl,
  isRelativeUrl,
} from '../src/template/templateUtils'

describe('compiler sfc:templateUtils isRelativeUrl', () => {
  test('should return true when The first character of the string path is .', () => {
    const url = './**.vue'
    const result = isRelativeUrl(url)
    expect(result).toBe(true)
  })

  test('should return true when The first character of the string path is ~', () => {
    const url = '~/xx.vue'
    const result = isRelativeUrl(url)
    expect(result).toBe(true)
  })

  test('should return true when The first character of the string path is @', () => {
    const url = '@/xx.vue'
    const result = isRelativeUrl(url)
    expect(result).toBe(true)
  })
})

describe('compiler sfc:templateUtils isExternalUrl', () => {
  test('should return true when String starts with http://', () => {
    const url = 'http://vuejs.org/'
    const result = isExternalUrl(url)
    expect(result).toBe(true)
  })

  test('should return true when String starts with https://', () => {
    const url = 'https://vuejs.org/'
    const result = isExternalUrl(url)
    expect(result).toBe(true)
  })

  test('should return true when String starts with //', () => {
    const url = '//vuejs.org/'
    const result = isExternalUrl(url)
    expect(result).toBe(true)
  })
})

describe('compiler sfc:templateUtils isDataUrl', () => {
  test('should return true w/ hasn`t media type and encode', () => {
    expect(isDataUrl('data:,i')).toBe(true)
  })

  test('should return true w/ media type + encode', () => {
    expect(isDataUrl('data:image/png;base64,i')).toBe(true)
  })

  test('should return true w/ media type + hasn`t encode', () => {
    expect(isDataUrl('data:image/png,i')).toBe(true)
  })
})