How to write ui tests with mocked networking?

To write UI tests with mocked networking, you can leverage several features and techniques discussed in the WWDC sessions. Here are some key points and sessions that can help you:

1. Swift Testing and Concurrency:

   • Swift testing integrates seamlessly with Swift concurrency, supporting async/await and actor isolation. This allows you to write tests that can handle asynchronous operations, such as network requests, in a straightforward manner.
   • You can use expectations with async/await to wait for asynchronous conditions to be met in your tests.

   Relevant session: Meet Swift Testing (08:34)

2. Mocking Network Requests:

   • To mock network requests, you can create mock objects that simulate the behavior of real network services. This allows you to test your UI without relying on actual network conditions.
   • Use dependency injection to replace real network services with your mock objects during testing.

   Relevant session: Go further with Swift Testing (24:26)

3. Parameterized Testing:

   • Parameterized tests allow you to run the same test logic with different inputs. This can be useful for testing various network responses and ensuring your UI handles them correctly.

   Relevant session: Go further with Swift Testing (07:23)

4. Running Tests in Parallel:

   • Swift testing supports running tests in parallel, which can help speed up your test suite. Ensure your tests are designed to run independently to avoid issues with shared state.

   Relevant session: Go further with Swift Testing (21:36)

5. Using Xcode Cloud:

   • Xcode Cloud can be configured to run integration tests that talk to a test server. This setup can help you manage when these tests run, especially if they depend on network conditions.

   Relevant session: Extend your Xcode Cloud workflows (03:44)

By combining these techniques, you can effectively write UI tests with mocked networking, ensuring your tests are reliable and efficient.