Enable protobuf conformance tests (#39)

Dockerfile

@@ -27,11 +27,26 @@ RUN sbt stage
 FROM sbtscala/scala-sbt:eclipse-temurin-23.0.1_11_1.10.5_3.3.4 AS runner
 
 COPY --from=conformance /conformance /conformance
-ADD conformance-suite.yaml /conformance/conformance-suite.yaml
+ADD conformance-suite.yaml /conformance/
+ADD conformance-suite-stable.yaml /conformance/
 COPY --from=build /app/conformance/target/universal/stage /app
 WORKDIR /conformance
 
 RUN mkdir "/logs"
+
+# Run stable tests first
+RUN echo ">>>>> Running stable tests <<<<<"
+RUN LOGS_PATH="/logs" \
+    ./connectconformance \
+    --conf conformance-suite-stable.yaml \
+    --mode server \
+    --parallel 1 \
+    -v -vv --trace \
+    -- \
+    /app/bin/conformance
+
+# Run unstable tests; allow them to fail
+RUN echo ">>>>> Running unstable tests <<<<<"
 RUN LOGS_PATH="/logs" \
     ./connectconformance \
     --conf conformance-suite.yaml \

README.md

@@ -61,7 +61,7 @@ This simplifies overall setup: simpler CI, fewer network components, faster exec
 ```yaml
 versions: [ HTTP_VERSION_1 ]
 protocols: [ PROTOCOL_CONNECT ]
-codecs: [ CODEC_JSON ]
+codecs: [ CODEC_JSON, CODEC_PROTO ]
 stream_types: [ STREAM_TYPE_UNARY ]
 supports_tls: false
 supports_trailers: false
@@ -152,6 +152,8 @@ Diagnostic data from the server itself is written to the log file `out/out.log`.
 
 ✅ JSON codec conformance status: __79/79__ tests pass.
 
+⌛ Protobuf codec conformance status: __13/72__ tests pass.
+
 Known issues:
 
 ~~* Response headers are ignored in case of an error from the server~~
@@ -160,4 +162,5 @@ Known issues:
 
 - [x] Support GET-requests
 - [ ] Support `google.api.http` annotations (GRPC transcoding)
+- [ ] Support configurable timeouts
 - [ ] Support non-unary (streaming) methods

conformance-suite-stable.yaml

@@ -0,0 +1,10 @@
+# https://github.com/connectrpc/conformance/blob/main/docs/configuring_and_running_tests.md#configuration-files
+features:
+  versions: [ HTTP_VERSION_1 ]
+  protocols: [ PROTOCOL_CONNECT ]
+  codecs: [ CODEC_JSON ]
+  stream_types: [ STREAM_TYPE_UNARY ]
+  supports_tls: false
+  supports_trailers: false
+  supports_connect_get: true
+  supports_message_receive_limit: false

conformance-suite.yaml

@@ -2,7 +2,7 @@
 features:
   versions: [ HTTP_VERSION_1 ]
   protocols: [ PROTOCOL_CONNECT ]
-  codecs: [ CODEC_JSON ] #, CODEC_PROTO ]
+  codecs: [ CODEC_PROTO ]
   stream_types: [ STREAM_TYPE_UNARY ]
   supports_tls: false
   supports_trailers: false