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44 lines
1.2 KiB
TypeScript
44 lines
1.2 KiB
TypeScript
import { nextTestSetup } from 'e2e-utils'
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import { retry, waitFor } from 'next-test-utils'
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describe('actions-streaming', () => {
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const { next } = nextTestSetup({
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files: __dirname,
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})
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describe('actions returning a ReadableStream', () => {
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it('should properly stream the response without buffering', async () => {
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const browser = await next.browser('/readable-stream')
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await browser.elementById('stream-button').click()
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expect(await browser.elementById('stream-button').text()).toBe(
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'Streaming...'
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)
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// If we're streaming properly, we should see the first chunks arrive
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// quickly.
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expect(await browser.elementByCss('h3').text()).toMatch(
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/Received \d+ chunks/
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)
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expect(await browser.elementById('chunks').text()).toInclude(
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'Lorem ipsum dolor sit'
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)
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// Finally, wait for the response to finish streaming.
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await waitFor(5000)
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await retry(
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async () => {
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expect(await browser.elementByCss('h3').text()).toBe(
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'Received 50 chunks'
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)
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expect(await browser.elementById('stream-button').text()).toBe(
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'Start Stream'
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)
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},
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10000,
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1000
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)
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})
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})
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})
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