Coding⏱️ 2 min read📅 2026-06-04

How to Fix: How to solve the "update was not wrapped in act()" warning in testing-library-react?

Learn how to easily fix and troubleshoot How to Fix: How to solve the "update was not wrapped in act()" warning in testing-library-react? wi

Quick Answer: 1-2 sentences of direct conversational advice.

📋 Table of Contents

  1. Method 1: Wrapping with act
  2. Method 2: Using renderWithinElement
  3. Method 3: Using waitForElement
  4. ✨ Wrapping Up

To solve the "update was not wrapped in act()" warning, you need to wrap your component updates in act or use renderWithinElement from @testing-library/react. Here are some examples:

Method 1: Wrapping with act

Using act:

  1. Step 1: Import act from @testing-library/react.
  2. Step 2: Wrap your component update with act(() => { /* your component code here */ }).

Method 2: Using renderWithinElement

Using renderWithinElement:

  1. Step 1: Import renderWithinElement from @testing-library/react.
  2. Step 2: Wrap your component update with renderWithinElement(, () => { /* your component code here */ }).

Method 3: Using waitForElement

Using waitForElement:

  1. Step 1: Import waitForElement from @testing-library/react.
  2. Step 2: Use waitForElement() to wait for your component to update.

✨ Wrapping Up

By following these methods, you can resolve the "update was not wrapped in act()" warning and write more reliable tests for your React components.

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