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chore(grpc-mock): restructure and add mock grpc tests #1579

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Summary

Divided GRPC mock tests by component and added a few more.

Background

Some parts of the GRPC mock still weren't tested, and the crate also needed a test for the new delay capabilities.

Changes

  • Divided tests up by mock, response, and matcher.
  • Added field to HealthCheckRequest so that we could more accurately test matcher::partialpbjson.
  • Added tests for the and mock combinator, matchers not matching incorrect requests, up_to_n_times, DynamicResponse, and delay.

Testing

All tests passing.

Related Issues

closes #902
closes #1559

@ethanoroshiba ethanoroshiba marked this pull request as ready for review September 27, 2024 15:11
crates/astria-grpc-mock-test/proto/health.proto Outdated Show resolved Hide resolved
crates/astria-grpc-mock-test/tests/health/test_response.rs Outdated Show resolved Hide resolved
.await
.unwrap_err();

let rsp = client
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I'd suggest doing let start = Instant::now(); just before this, and after the .await.unwrap() below, you can assert that start.elapsed() >= const delay.

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Same comment as above, but happy to put it in still if needed

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I'd prefer to not change this file because it's taken from a well known service.

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Reverted in 4b15aa0, but needed a type with more fields to adequately test message_partial_pbjson so I added a new struct MockMessage to test_utils. Let me know if this works for you!

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I didn't mean for you to implement this manually (although I am sure it was a good exercise to learn about prost and manual serde impls).

What if you you copy the echo server over (from here: https://github.com/hyperium/tonic/blob/master/examples/proto/echo/echo.proto) and just generate extra code?

That way we don't have to worry about potential breakage should we ever update prost or tonic.

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This is looking good. I would not do the manual the manual mock message - just because we might end up in a situation where we bump either of prost, tonic, or pbjson, subtly breaking the derived code.

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I didn't mean for you to implement this manually (although I am sure it was a good exercise to learn about prost and manual serde impls).

What if you you copy the echo server over (from here: https://github.com/hyperium/tonic/blob/master/examples/proto/echo/echo.proto) and just generate extra code?

That way we don't have to worry about potential breakage should we ever update prost or tonic.

@@ -1,3 +1,4 @@
// This file is @generated by prost-build.
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Was this added by you or by prost?

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@ethanoroshiba ethanoroshiba Oct 18, 2024

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Added by prost, I think at some point I may have bumped the dep and this is a new thing that the builder does? If I remember correctly, I believe I've noticed it elsewhere as well.

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@SuperFluffy in RE to the comment ^^above (since I can't reply directly), I'm not sure the echo server would be sufficient as is. To adequately test the partial_pbjson matcher, we need a message with at least two fields, which the echo request/response does not have. Were you meaning to copy it over and add another field?

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test grpc delayed responses Test grpc mock combinators
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