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Testing WeChat Pay Integration

Testing WeChat Pay Integration​

After completing the integration, it is crucial to thoroughly test the WeChat Pay functionality in a sandbox environment to ensure everything works as expected.

Testing in Sandbox​

  • Use Your Test Account: You can use a test account provided by the sandbox environment to simulate WeChat Pay transactions. This allows you to mimic real-world transactions without transferring actual funds. All transactions in the sandbox are simulated, meaning they do not affect your actual financial data.

  • Simulate Various Scenarios: Test different scenarios, including successful payments, payment failures, and cancellations, to ensure your integration handles each case correctly. This includes testing with various devices, browsers, and payment amounts to cover all potential use cases.

Troubleshooting Payment Failures​

  • Check Sandbox Configuration: If a payment fails during testing, ensure your integration is configured to use WeChat Pay’s sandbox environment. Verify that you are using the correct sandbox credentials and that all API settings are properly configured.

  • Review Error Messages: Carefully review any error messages returned during transactions. These messages can provide insights into what might be causing the issue, whether it’s a configuration error, network issue, or other problem.

Common Issues and Troubleshooting​

  • Button Not Displaying: Ensure the WeChat Pay script is correctly loaded and that the user is on a compatible device and browser. Also, verify that the DOM element for the button is correctly set up and that the button initialization code is correctly implemented.

  • Payment Errors: Review logs for specific error codes and messages. Make sure all required fields are provided and correctly configured in your payment data. Common issues include missing or incorrect payment details, failed initialization of necessary libraries, or unsupported payment methods.

By following these steps and thoroughly testing in the sandbox environment using your test account, you can ensure a robust and reliable WeChat Pay integration before moving to production.