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Comments (4)

KhafraDev avatar KhafraDev commented on June 16, 2024

Do you have a minimal reproducible example?

from undici.

mcollina avatar mcollina commented on June 16, 2024

These kind of things happens because both msw and jest heavily monkeypatch globals. It's very hard for us to keep track of all those things.

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tsctx avatar tsctx commented on June 16, 2024
test("fetch - github", async () => {
  globalThis.TextEncoder = require("node:util").TextEncoder;
  globalThis.TextDecoder = require("node:util").TextDecoder;
  globalThis.ReadableStream = require("node:stream/web").ReadableStream;
  globalThis.WritableStream = require("node:stream/web").WritableStream;
  globalThis.CompressionStream = require("node:stream/web").CompressionStream;
  globalThis.DecompressionStream = require("node:stream/web").DecompressionStream;
  globalThis.setImmediate = require("node:timers").setImmediate;
  globalThis.clearImmediate = require("node:timers").clearImmediate;
  globalThis.crypto = require("node:crypto").webcrypto;
  // just adding this
  globalThis.performance.markResourceTiming = () => {};
  const { fetch } = require("undici");
  await fetch("https://github.com").then(c => c.text());
});

from undici.

kettanaito avatar kettanaito commented on June 16, 2024

These kind of things happens because both msw and jest heavily monkeypatch globals

I will play devil's advocate here a bit and mention that MSW has no issues running Undici. We are running our entire test suite against Undici in Vitest and haven't had any issues whatsoever. Every issue you are experiencing is caused by Jest and underlying JSDOM (sometimes, jest-environment-jsdom as well). Try Vitest and HappyDOM, you'll likely have most of those issues fixed automatically.

from undici.

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