tests: integration e2e tests results in coverage data

.github/workflows/test.yaml

@@ -21,14 +21,16 @@ jobs:
       - name: Start raccoon
         run: make docker-run
       - name: Run tests
-        run: go test ./... -v -coverprofile=coverage.out
+        run: go test ./... -v -cover -test.gocoverdir=$PWD/raccoon-coverage/
         env:
           INTEGTEST_BOOTSTRAP_SERVER: 'localhost:9094'
           INTEGTEST_HOST: 'localhost:8080'
           INTEGTEST_TOPIC_FORMAT: 'clickstream-%s-log'
           GRPC_SERVER_ADDR: 'localhost:8081'
           PUBSUB_EMULATOR_HOST: 'localhost:8085'
           LOCALSTACK_HOST: 'http://localhost:4566'
+      - name: Merge coverage data
+        run: go tool covdata -i=raccoon-coverage -o coverage.out
       - name: Upload coverage data 
         uses: shogo82148/actions-goveralls@v1
         with:

Dockerfile

@@ -8,7 +8,7 @@ RUN PROTOC_ZIP=protoc-3.17.3-linux-x86_64.zip && \
     unzip -o $PROTOC_ZIP -d /usr/local 'include/*' && \
     rm -f $PROTOC_ZIP
 COPY . .
-RUN make build
+RUN make build-cov
 
 
 FROM debian:bookworm-slim

Makefile

@@ -46,6 +46,11 @@ build: ## Build the raccoon binary
 	go build ${BUILD_FLAGS} ${LD_FLAGS} ${NAME}
 	@echo "Build complete"
 
+build-cov: ## Build raccoon with coverage instrumentation
+	@echo "Building raccoon version ${VERSION}..."
+	go build -cover ${BUILD_FLAGS} ${LD_FLAGS} ${NAME}
+	@echo "Build complete"
+
 install:
 	@echo "Installing Raccoon to ${GOBIN}..."
 	go install ${BUILD_FLAGS} ${LD_FLAGS} ${NAME}

docker-compose.yml

@@ -94,11 +94,14 @@ services:
       METRIC_STATSD_ADDRESS: "telegraf:8125"
       METRIC_STATSD_FLUSH_PERIOD_MS: 100
       LOG_LEVEL: "info"
+      GOCOVERDIR: /app/raccoon-coverage
     ports:
       - "8080:8080"
       - "8081:8081"
     networks:
       - cs-network
+    volumes:
+      - ./raccoon-coverage/:/app/raccoon-coverage
   # telegraf:
   #   image: telegraf
   #   volumes: