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| 1 | +import { mkdir, mkdtemp, rm, writeFile } from 'node:fs/promises' |
| 2 | +import { tmpdir } from 'node:os' |
| 3 | + |
| 4 | +import { runCommand } from 'citty' |
| 5 | +import { join } from 'pathe' |
| 6 | +import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest' |
| 7 | + |
| 8 | +import preview from '../../../src/commands/preview' |
| 9 | + |
| 10 | +const { loadKit, loadNuxt, x } = vi.hoisted(() => ({ |
| 11 | + loadKit: vi.fn(), |
| 12 | + loadNuxt: vi.fn(), |
| 13 | + x: vi.fn(), |
| 14 | +})) |
| 15 | + |
| 16 | +vi.mock('../../../src/utils/kit', () => ({ loadKit })) |
| 17 | +vi.mock('tinyexec', () => ({ x })) |
| 18 | + |
| 19 | +let cwd: string |
| 20 | + |
| 21 | +async function writeNitroJSON(outputDir: string, data: Record<string, unknown> = {}) { |
| 22 | + await mkdir(outputDir, { recursive: true }) |
| 23 | + await writeFile(join(outputDir, 'nitro.json'), JSON.stringify({ |
| 24 | + preset: 'node-server', |
| 25 | + commands: { preview: 'node ./server/index.mjs' }, |
| 26 | + ...data, |
| 27 | + })) |
| 28 | +} |
| 29 | + |
| 30 | +describe('preview', () => { |
| 31 | + beforeEach(async () => { |
| 32 | + cwd = await mkdtemp(join(tmpdir(), 'nuxt-preview-test-')) |
| 33 | + loadKit.mockResolvedValue({ loadNuxt }) |
| 34 | + loadNuxt.mockImplementation(async (options) => { |
| 35 | + const nuxt = { |
| 36 | + options: { srcDir: cwd }, |
| 37 | + hook: vi.fn((name, callback) => { |
| 38 | + if (name === 'nitro:init') { |
| 39 | + callback({ options: { output: { dir: '.output' } } }) |
| 40 | + } |
| 41 | + }), |
| 42 | + close: vi.fn(), |
| 43 | + } |
| 44 | + options.overrides.modules[0](undefined, nuxt) |
| 45 | + return nuxt |
| 46 | + }) |
| 47 | + x.mockResolvedValue({ exitCode: 0 }) |
| 48 | + }) |
| 49 | + |
| 50 | + afterEach(async () => { |
| 51 | + vi.unstubAllEnvs() |
| 52 | + vi.clearAllMocks() |
| 53 | + await rm(cwd, { recursive: true, force: true }) |
| 54 | + }) |
| 55 | + |
| 56 | + it('runs the build preview command with normalized whitespace and listen options', async () => { |
| 57 | + const outputDir = join(cwd, '.output') |
| 58 | + await writeNitroJSON(outputDir) |
| 59 | + |
| 60 | + await runCommand(preview, { |
| 61 | + rawArgs: [cwd, '--port=4321', '--host=127.0.0.1'], |
| 62 | + }) |
| 63 | + |
| 64 | + expect(x).toHaveBeenCalledWith('node', ['./server/index.mjs'], { |
| 65 | + throwOnError: true, |
| 66 | + nodeOptions: expect.objectContaining({ |
| 67 | + cwd: outputDir, |
| 68 | + env: expect.objectContaining({ |
| 69 | + NUXT_PORT: '4321', |
| 70 | + NITRO_PORT: '4321', |
| 71 | + NUXT_HOST: '127.0.0.1', |
| 72 | + NITRO_HOST: '127.0.0.1', |
| 73 | + }), |
| 74 | + }), |
| 75 | + }) |
| 76 | + }) |
| 77 | + |
| 78 | + it('uses the configured output directory', async () => { |
| 79 | + const outputDir = join(cwd, 'dist', 'server-output') |
| 80 | + await writeNitroJSON(outputDir) |
| 81 | + loadNuxt.mockImplementation(async (options) => { |
| 82 | + const nuxt = { |
| 83 | + options: { srcDir: join(cwd, 'src') }, |
| 84 | + hook: vi.fn((name, callback) => { |
| 85 | + if (name === 'nitro:init') { |
| 86 | + callback({ options: { output: { dir: '../dist/server-output' } } }) |
| 87 | + } |
| 88 | + }), |
| 89 | + close: vi.fn(), |
| 90 | + } |
| 91 | + options.overrides.modules[0](undefined, nuxt) |
| 92 | + return nuxt |
| 93 | + }) |
| 94 | + |
| 95 | + await runCommand(preview, { rawArgs: [cwd] }) |
| 96 | + |
| 97 | + expect(x).toHaveBeenCalledWith('node', ['./server/index.mjs'], expect.objectContaining({ |
| 98 | + nodeOptions: expect.objectContaining({ cwd: outputDir }), |
| 99 | + })) |
| 100 | + }) |
| 101 | + |
| 102 | + it('falls back to the conventional output when Nuxt cannot load', async () => { |
| 103 | + loadKit.mockRejectedValue(new Error('Nuxt is unavailable')) |
| 104 | + const outputDir = join(cwd, '.output') |
| 105 | + await writeNitroJSON(outputDir) |
| 106 | + |
| 107 | + await runCommand(preview, { rawArgs: [cwd] }) |
| 108 | + |
| 109 | + expect(x).toHaveBeenCalledWith('node', ['./server/index.mjs'], expect.objectContaining({ |
| 110 | + nodeOptions: expect.objectContaining({ cwd: outputDir }), |
| 111 | + })) |
| 112 | + }) |
| 113 | + |
| 114 | + it('uses host and port environment variables', async () => { |
| 115 | + vi.stubEnv('NUXT_PORT', '4100') |
| 116 | + vi.stubEnv('NUXT_HOST', 'localhost') |
| 117 | + await writeNitroJSON(join(cwd, '.output')) |
| 118 | + |
| 119 | + await runCommand(preview, { rawArgs: [cwd] }) |
| 120 | + |
| 121 | + expect(x).toHaveBeenCalledWith(expect.any(String), expect.any(Array), expect.objectContaining({ |
| 122 | + nodeOptions: expect.objectContaining({ |
| 123 | + env: expect.objectContaining({ |
| 124 | + NUXT_PORT: '4100', |
| 125 | + NITRO_PORT: '4100', |
| 126 | + NUXT_HOST: 'localhost', |
| 127 | + NITRO_HOST: 'localhost', |
| 128 | + }), |
| 129 | + }), |
| 130 | + })) |
| 131 | + }) |
| 132 | +}) |
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