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import { WebNextResponse } from './web'
describe('WebNextResponse onClose', () => {
it('stream body', async () => {
const cb = jest.fn()
const ts = new TransformStream({
transform(chunk, controller) {
controller.enqueue(chunk)
},
})
const webNextResponse = new WebNextResponse(ts)
webNextResponse.onClose(cb)
webNextResponse.send()
expect(cb).toHaveBeenCalledTimes(0)
const response = await webNextResponse.toResponse()
expect(cb).toHaveBeenCalledTimes(0)
const t = response.text()
const encoder = new TextEncoder()
const writer = ts.writable.getWriter()
await writer.write(encoder.encode('abc'))
await writer.write(encoder.encode('def'))
await writer.close()
const text = await t
expect(cb).toHaveBeenCalledTimes(1)
expect(text).toBe('abcdef')
})
it('string body', async () => {
const cb = jest.fn()
const webNextResponse = new WebNextResponse(undefined).body('abcdef')
webNextResponse.onClose(cb)
webNextResponse.send()
expect(cb).toHaveBeenCalledTimes(0)
const response = await webNextResponse.toResponse()
expect(cb).toHaveBeenCalledTimes(0)
const text = await response.text()
expect(cb).toHaveBeenCalledTimes(1)
expect(text).toBe('abcdef')
})
})
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