browser-testing

lesson

puppeteer playwright oazapfts fetch browser-testing sveltekit

483 tok

Patching window.fetch in the page does not stub a generated SDK's calls — it captured its own fetch at init

Trying to render a hard-to-reach UI branch (an API status you cannot easily produce with real data), the obvious move is page.evaluate(() => { window.fetch = stub }) then click the button. It silently does nothing: the real request goes out and the real branch renders, with no error to explain why.…

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