Rust Web Development

11 Testing your Rust application

This chapter covers

• Assessing the testing needs for our web service
• Using Rust’s built-in testing capabilities to create unit tests
• Setting up a conditional testing environment
• Creating a mock server that we can remotely shut down
• Using Warp’s built-in testing framework to test our filters
• Writing integration tests against our running web service

This topic of this last chapter of the book is, for some developers, the most important aspect of writing applications: testing. You can practice test-driven development, where you write tests first. You can choose to write tests directly after having implemented the business logic, or can wait until a large part of the application logic is written before testing it. ...