Karate has native support for gRPC as an optional dependency (non-open source and commercial). Enterprise users can find more information here: Karate-gRPC.
A license is required for running (for e.g. in CI/CD) and a Karate Labs IDE subscription is required per developer seat. Make sure you have a .karate/karate.lic file in place before running the example.
This is a normal Java / Maven project so running mvn clean compile test will be sufficient to run all the tests.
Take a look at hello.feature to see how simple yet expressive gRPC tests can be.
- grpc-custom - it is possible to test gRPC by writing the Java integration code yourself and generating Java code, but the approach above is recommended