test: move HMR basic test to a separate file

[devjiwonchoi]

Note

The "Test new tests for flakes" may fail due to the number of tests in a single hmr.test.ts file.
The follow-up stacks are to resolve the issue.

Why?

Moved to a separate file to run the test in parallel.

[devjiwonchoi]

• test: remove unnecessary conditionals in error recovery tests #73625
• test: replace duplicate test utils to next instance #73624
• test: split hot module reload HMR test into multiple files #73620
• test: split full reload HMR test into multiple files #73619
• test: split error recovery HMR test into multiple files #73617
• test: split basic HMR test into multiple files #73616
• test: move HMR fixtures to a fixtures/ directory #73613
• test: move HMR basic test to a separate file #73612 👈 (View in Graphite)
• test: move HMR main test to a separate file #73611
• test: move HMR Error Recovery test to a separate file #73592
• test: move HMR Full Reload test to a separate file #73591
• test: replace check to retry in hmr.test.ts #73590
• canary

This stack of pull requests is managed by Graphite. Learn more about stacking.

[ijjk]

Failing test suites

Commit: 85e1b21

pnpm test-dev test/development/acceptance-app/hydration-error.test.ts

• Error overlay for hydration errors in App router > should collapse and uncollapse properly when there are many frames

Expand output

● Error overlay for hydration errors in App router › should collapse and uncollapse properly when there are many frames

expect(received).toBe(expected) // Object.is equality

Expected: 4
Received: NaN

  788 |
  789 |     retry(async () => {
> 790 |       expect(await getRedboxTotalErrorCount(browser)).toBe(4)
      |                                                       ^
  791 |     })
  792 |
  793 |     const description = await session.getRedboxDescription()

  at toBe (development/acceptance-app/hydration-error.test.ts:790:55)
  at retry (lib/next-test-utils.ts:806:14)

Read more about building and testing Next.js in contributing.md.

pnpm test-dev test/development/acceptance-app/ReactRefreshLogBox.test.ts

• ReactRefreshLogBox app default > server component can recover from error thrown in the module

Expand output

● ReactRefreshLogBox app default › server component can recover from error thrown in the module

Expected Redbox but found none

  1060 |
  1061 |       await next.patchFile('index.js', "throw new Error('module error')")
> 1062 |       await session.assertHasRedbox()
       |       ^
  1063 |       await next.patchFile(
  1064 |         'index.js',
  1065 |         'export default function Page() {return <p>hello world</p>}'

  at Object.<anonymous> (development/acceptance-app/ReactRefreshLogBox.test.ts:1062:7)

Read more about building and testing Next.js in contributing.md.

[ijjk]

Stats from current PR

Default Build (Increase detected ⚠️)

General

	vercel/next.js canary	vercel/next.js 12-07-test_move_hmr_basic_test_to_a_separate_file	Change
buildDuration	23.3s	20.7s	N/A
buildDurationCached	19.7s	16.9s	N/A
nodeModulesSize	409 MB	409 MB	N/A
nextStartRea..uration (ms)	520ms	517ms	N/A

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link.html gzip	537 B	537 B	✓
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build cache Overall increase ⚠️

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Overall change	2.03 MB	2.04 MB	⚠️ +3.56 kB

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Commit: 85e1b21