Lazizbek Ergashev 3782922bdd [testmode] Fix infinite recursion in testmode passthrough fetch (#96525) ...

With `experimental.testProxy` on, `@mswjs/interceptors` (switched to
socket-level interception in #96059) also catches the passthrough
`fetch` that `handleFetch` makes for non-test requests. That request has
no `next-test-internal` marker, so the interceptor calls `handleFetch`
again, takes the passthrough branch again, and loops until it errors. So
any server-side request made outside a test context never resolves
during a test run.

This adds the `next-test-internal` marker to the passthrough request,
and to the `continue` case that has the same problem. It is the guard
#96059 already added for the proxy-protocol request, so the request
reaches the real server instead of being intercepted again.

2026-08-13 04:05:37 +02:00

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app

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pages

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.gitignore

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middleware.js

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next.config.js

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package.json

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testmode.test.ts

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