File size: 7,110 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 |
describe('loadConfig', () => {
let loadConfig: typeof import('./config').default
beforeEach(async () => {
// Reset the module cache to ensure each test gets a fresh config load
// This is important because config.ts now has a module-level configCache
jest.resetModules()
// Dynamically import the module after reset to get a fresh instance
const configModule = await import('./config')
loadConfig = configModule.default
})
describe('nextConfig.images defaults', () => {
it('should assign a `images.remotePatterns` when using assetPrefix', async () => {
const result = await loadConfig('', __dirname, {
customConfig: {
assetPrefix: 'https://cdn.example.com',
images: {
formats: ['image/webp'],
},
},
})
expect(result.images.remotePatterns).toMatchInlineSnapshot(`
[
{
"hostname": "cdn.example.com",
"port": "",
"protocol": "https",
},
]
`)
})
it('should not assign a duplicate `images.remotePatterns` value when using assetPrefix', async () => {
let result = await loadConfig('', __dirname, {
customConfig: {
assetPrefix: 'https://cdn.example.com',
images: {
formats: ['image/webp'],
remotePatterns: [
{
hostname: 'cdn.example.com',
port: '',
protocol: 'https',
},
],
},
},
})
expect(result.images.remotePatterns.length).toBe(1)
result = await loadConfig('', __dirname, {
customConfig: {
assetPrefix: 'https://cdn.example.com/foobar',
images: {
formats: ['image/webp'],
remotePatterns: [
{
hostname: 'cdn.example.com',
port: '',
protocol: 'https',
},
],
},
},
})
expect(result.images.remotePatterns.length).toBe(1)
})
})
describe('canary-only features', () => {
beforeAll(() => {
process.env.__NEXT_VERSION = '14.2.0'
})
afterAll(() => {
delete process.env.__NEXT_VERSION
})
it('should not print a stack trace when throwing an error', async () => {
const loadConfigPromise = loadConfig('', __dirname, {
customConfig: {
experimental: {
ppr: true,
},
},
})
await expect(loadConfigPromise).rejects.toThrow(
/The experimental feature "experimental.ppr" can only be enabled when using the latest canary version of Next.js./
)
try {
await loadConfigPromise
} catch (error: any) {
expect(error).toBeInstanceOf(Error)
// Check that there's no stack trace
expect(error.stack).toBeUndefined()
}
})
it('errors when using PPR if not in canary', async () => {
await expect(
loadConfig('', __dirname, {
customConfig: {
experimental: {
ppr: true,
},
},
})
).rejects.toThrow(
/The experimental feature "experimental.ppr" can only be enabled when using the latest canary version of Next.js./
)
})
it('errors when using cacheComponents if not in canary', async () => {
await expect(
loadConfig('', __dirname, {
customConfig: {
experimental: {
cacheComponents: true,
},
},
})
).rejects.toThrow(
/The experimental feature "experimental.cacheComponents" can only be enabled when using the latest canary version of Next.js./
)
})
it('errors when using persistentCaching if not in canary', async () => {
await expect(
loadConfig('', __dirname, {
customConfig: {
experimental: {
turbopackPersistentCaching: true,
},
},
})
).rejects.toThrow(
/The experimental feature "experimental.turbopackPersistentCaching" can only be enabled when using the latest canary version of Next.js./
)
})
})
describe('with a canary version', () => {
beforeAll(() => {
process.env.__NEXT_VERSION = '15.4.0-canary.35'
})
afterAll(() => {
delete process.env.__NEXT_VERSION
})
it('errors when cacheComponents is enabled but PPR is disabled', async () => {
await expect(
loadConfig('', __dirname, {
customConfig: {
experimental: {
cacheComponents: true,
ppr: false,
},
},
})
).rejects.toThrow(
'`experimental.ppr` can not be `false` when `experimental.cacheComponents` is `true`. PPR is implicitly enabled when Cache Components is enabled.'
)
})
it('errors when cacheComponents is enabled but PPR set to "incremental"', async () => {
await expect(
loadConfig('', __dirname, {
customConfig: {
experimental: {
cacheComponents: true,
ppr: 'incremental',
},
},
})
).rejects.toThrow(
'`experimental.ppr` can not be `"incremental"` when `experimental.cacheComponents` is `true`. PPR is implicitly enabled when Cache Components is enabled.'
)
})
it('migrates experimental.dynamicIO to experimental.cacheComponents', async () => {
process.env.__NEXT_VERSION = 'canary'
const result = await loadConfig('', __dirname, {
customConfig: {
experimental: {
dynamicIO: true,
},
},
silent: true,
})
expect(result.experimental.cacheComponents).toBe(true)
expect(result.experimental.dynamicIO).toBeUndefined()
delete process.env.__NEXT_VERSION
})
it('preserves cacheComponents when both dynamicIO and cacheComponents are set', async () => {
process.env.__NEXT_VERSION = 'canary'
const result = await loadConfig('', __dirname, {
customConfig: {
experimental: {
dynamicIO: true,
cacheComponents: false,
},
},
silent: true,
})
expect(result.experimental.cacheComponents).toBe(false)
expect(result.experimental.dynamicIO).toBeUndefined()
delete process.env.__NEXT_VERSION
})
it('warns when using deprecated experimental.dynamicIO', async () => {
process.env.__NEXT_VERSION = 'canary'
const consoleSpy = jest.spyOn(console, 'warn').mockImplementation()
await loadConfig('', __dirname, {
customConfig: {
experimental: {
dynamicIO: true,
},
},
silent: false,
})
expect(consoleSpy).toHaveBeenCalledWith(
expect.stringContaining(
'`experimental.dynamicIO` has been renamed to `experimental.cacheComponents`'
)
)
consoleSpy.mockRestore()
delete process.env.__NEXT_VERSION
})
})
})
|