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vite
fix(pool): throw if user's tests use `process.send()` (#8125)
authored by
Ari Perkkiö
and committed by
GitHub
(Jun 9, 2025, 9:06 AM +0200)
dfe81a67
c69be1fc
+52
-2
+12
test/cli/test/forks-channel.test.ts
+12
test/cli/test/forks-channel.test.ts
···
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import { expect, test } from 'vitest'
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import { runVitest } from '../../test-utils'
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test.each(['forks', 'vmForks'] as const)('test case\'s process.send() calls are handled', async (pool) => {
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const { stderr } = await runVitest({
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root: './fixtures/forks-channel',
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pool,
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})
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expect(stderr).toContain('⎯⎯⎯⎯ Unhandled Rejection ⎯⎯⎯⎯⎯')
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expect(stderr).toContain('Error: [vitest-pool]: Unexpected call to process.send(). Make sure your test cases are not interfering with process\'s channel.')
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})
+9
test/cli/fixtures/forks-channel/process-send.test.ts
+9
test/cli/fixtures/forks-channel/process-send.test.ts
+1
test/cli/fixtures/forks-channel/vitest.config.ts
+1
test/cli/fixtures/forks-channel/vitest.config.ts
···
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export default {}
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-1
packages/vitest/src/node/pools/forks.ts
+15
-1
packages/vitest/src/node/pools/forks.ts
···
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const rpc = createBirpc<RunnerRPC, RuntimeRPC>(createMethodsRPC(project, { cacheFs: true, collect }), {
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eventNames: ['onCancel'],
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serialize: v8.serialize,
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deserialize: v => v8.deserialize(Buffer.from(v)),
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deserialize: (v) => {
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try {
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return v8.deserialize(Buffer.from(v))
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}
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catch (error) {
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let stringified = ''
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try {
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stringified = `\nReceived value: ${JSON.stringify(v)}`
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}
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catch {}
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throw new Error(`[vitest-pool]: Unexpected call to process.send(). Make sure your test cases are not interfering with process's channel.${stringified}`, { cause: error })
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}
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},
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post(v) {
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emitter.emit(events.message, v)
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},
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-1
packages/vitest/src/node/pools/vmForks.ts
+15
-1
packages/vitest/src/node/pools/vmForks.ts
···
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{
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eventNames: ['onCancel'],
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serialize: v8.serialize,
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deserialize: v => v8.deserialize(Buffer.from(v)),
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deserialize: (v) => {
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try {
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return v8.deserialize(Buffer.from(v))
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}
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catch (error) {
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let stringified = ''
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try {
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stringified = `\nReceived value: ${JSON.stringify(v)}`
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}
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catch {}
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throw new Error(`[vitest-pool]: Unexpected call to process.send(). Make sure your test cases are not interfering with process's channel.${stringified}`, { cause: error })
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}
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},
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post(v) {
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emitter.emit(events.message, v)
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},