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fix(jest-runtime): Guard '_isMockFunction' access with 'in'
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packages/jest-runtime/src/__tests__/runtime_resetModules_unsafe_global_proxy.js
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/** | ||
* Copyright (c) Meta Platforms, Inc. and affiliates. | ||
* | ||
* This source code is licensed under the MIT license found in the | ||
* LICENSE file in the root directory of this source tree. | ||
* | ||
*/ | ||
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'use strict'; | ||
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const { default: NodeEnvironment } = require('jest-environment-node'); | ||
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let createRuntime; | ||
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describe('Runtime', () => { | ||
beforeEach(() => { | ||
createRuntime = require('createRuntime'); | ||
}); | ||
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describe('resetModules', () => { | ||
it('does not throw when accessing _isMockFunction on an unsafe global', async () => { | ||
const runtime = await createRuntime(__filename); | ||
runtime._environment.global.UNSAFE_GLOBAL = new Proxy({}, { | ||
get(target, p, receiver) { | ||
if (p === "_isMockFunction") throw new Error("Unsafe global!"); | ||
} | ||
}); | ||
runtime.resetModules(); | ||
}); | ||
}); | ||
}); |
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