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| 1 | +import { mkdir, rm, writeFile } from 'node:fs/promises' |
| 2 | +import { tmpdir } from 'node:os' |
| 3 | +import { join } from 'node:path' |
| 4 | + |
| 5 | +import { afterEach, describe, expect, it } from 'vitest' |
| 6 | + |
| 7 | +import { importTestUtils } from '../../../src/commands/test' |
| 8 | + |
| 9 | +const tempDirs: string[] = [] |
| 10 | + |
| 11 | +async function createProject(packageName?: string, source = 'export function runTests() {}') { |
| 12 | + const rootDir = join(tmpdir(), `nuxt-test-command-${crypto.randomUUID()}`) |
| 13 | + tempDirs.push(rootDir) |
| 14 | + await mkdir(rootDir, { recursive: true }) |
| 15 | + |
| 16 | + if (packageName) { |
| 17 | + const packageDir = join(rootDir, 'node_modules', ...packageName.split('/')) |
| 18 | + await mkdir(packageDir, { recursive: true }) |
| 19 | + await writeFile(join(packageDir, 'package.json'), JSON.stringify({ name: packageName, type: 'module', exports: './index.js' })) |
| 20 | + await writeFile(join(packageDir, 'index.js'), source) |
| 21 | + } |
| 22 | + |
| 23 | + return rootDir |
| 24 | +} |
| 25 | + |
| 26 | +afterEach(async () => { |
| 27 | + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) |
| 28 | +}) |
| 29 | + |
| 30 | +describe('importTestUtils', () => { |
| 31 | + it('loads test utils from the project', async () => { |
| 32 | + const rootDir = await createProject('@nuxt/test-utils') |
| 33 | + |
| 34 | + expect((await importTestUtils(rootDir)).runTests).toBeTypeOf('function') |
| 35 | + }) |
| 36 | + |
| 37 | + it('prefers nightly when multiple variants are installed', async () => { |
| 38 | + const rootDir = await createProject('@nuxt/test-utils-nightly', 'export function runTests() {}; export const channel = "nightly"') |
| 39 | + const packageDir = join(rootDir, 'node_modules', '@nuxt', 'test-utils') |
| 40 | + await mkdir(packageDir, { recursive: true }) |
| 41 | + await writeFile(join(packageDir, 'package.json'), JSON.stringify({ name: '@nuxt/test-utils', type: 'module', exports: './index.js' })) |
| 42 | + await writeFile(join(packageDir, 'index.js'), 'export function runTests() {}; export const channel = "stable"') |
| 43 | + |
| 44 | + expect((await importTestUtils(rootDir) as any).channel).toBe('nightly') |
| 45 | + }) |
| 46 | + |
| 47 | + it('does not fall back when an installed variant fails to load', async () => { |
| 48 | + const rootDir = await createProject('@nuxt/test-utils-nightly', 'import "missing-dependency"; export function runTests() {}') |
| 49 | + |
| 50 | + await expect(importTestUtils(rootDir)).rejects.toThrow(/missing-dependency/) |
| 51 | + }) |
| 52 | + |
| 53 | + it('reports an incompatible installed version', async () => { |
| 54 | + const rootDir = await createProject('@nuxt/test-utils', 'export const setup = true') |
| 55 | + |
| 56 | + await expect(importTestUtils(rootDir)).rejects.toThrow('The installed version of `@nuxt/test-utils` does not support `nuxt test`.') |
| 57 | + }) |
| 58 | + |
| 59 | + it('reports a missing project dependency', async () => { |
| 60 | + const rootDir = await createProject() |
| 61 | + |
| 62 | + await expect(importTestUtils(rootDir)).rejects.toThrow('`@nuxt/test-utils` is not installed in this project.') |
| 63 | + }) |
| 64 | +}) |
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