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nuxt-can/test/transform-can.test.ts
2025-11-14 06:15:33 +01:00

63 lines
1.8 KiB
TypeScript

import { describe, it, expect } from 'vitest'
import { transformCan } from '../src/runtime/transformer/transform-can'
const TEST_FILE = `${process.cwd()}/components/Test.vue`
const buildSFC = (template: string) => `<template>\n${template}\n</template>`
const runTransform = (template: string) => {
const result = transformCan({ code: buildSFC(template), id: TEST_FILE })
return result?.code ?? ''
}
describe('transformCan', () => {
it('injects __can__ guards and a matching v-cannot block', () => {
const code = runTransform(`
<button v-can="can.employee.view">Voir</button>
<p v-cannot>Refus</p>
`)
expect(code).toContain(`v-if="__can__(['employee', 'view'])"`)
expect(code).toContain(`v-if="!(__can__(['employee', 'view']))"`)
})
it('merges existing v-if expressions with the generated guard', () => {
const code = runTransform(`
<div v-if="isReady" v-can="can.contract.create" />
`)
expect(code).toContain(`v-if="(isReady) && __can__(['contract', 'create'])"`)
})
it('throws when v-cannot is used without a preceding v-can', () => {
const exec = () => transformCan({
code: buildSFC('<p v-cannot>Denied</p>'),
id: TEST_FILE,
})
expect(exec).toThrow(/must immediately follow its `v-can`/)
})
it('throws when the expression does not start with can.*', () => {
const exec = () => transformCan({
code: buildSFC('<button v-can="permissions.employee.view" />'),
id: TEST_FILE,
})
expect(exec).toThrow(/expressions must start with `can\.`/)
})
it('throws when v-can is added to a v-else branch', () => {
const exec = () => transformCan({
code: buildSFC(`
<div v-if="ready"></div>
<div v-else v-can="can.employee.view"></div>
`),
id: TEST_FILE,
})
expect(exec).toThrow(/cannot be used on `v-else`/)
})
})