test: Add RAG and other Python UT coverage to the codecov report (#815)

**Reason for Change**:

Add RAG and other Python code UT coverage to the codecov report to
ensure that the RAG server changes for consistency are tested and the
code coverage is reported accurately.

**Requirements**

- [ ] added unit tests and e2e tests (if applicable).

**Issue Fixed**:
<!-- If this PR fixes GitHub issue 4321, add "Fixes #4321" to the next
line. -->

**Notes for Reviewers**:

---------

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

.github/workflows/unit-tests-ragengine.yml

@@ -38,3 +38,10 @@ jobs:
       - name: Run unit tests
         run: |
           make rag-service-test
+
+      - name: Upload Coverage to Codecov
+        uses: codecov/codecov-action@1e68e06f1dbfde0e4cefc87efeba9e4643565303 # v5.1.2
+        with:
+          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+          verbose: true

.github/workflows/unit-tests.yml

@@ -39,9 +39,11 @@ jobs:
         uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5.2.0
         with:
           go-version: ${{ env.GO_VERSION  }}
+
       - name: Generate APIs
         run: |
           make generate
+
       - name: Run unit tests & Generate coverage
         run: |
           make unit-test

Makefile

@@ -105,21 +105,24 @@ unit-test: ## Run unit tests.
 .PHONY: rag-service-test
 rag-service-test:
 	pip install -r presets/ragengine/requirements.txt
-	pytest -o log_cli=true -o log_cli_level=INFO presets/ragengine/tests
+	pip install pytest-cov
+	pytest --cov -o log_cli=true -o log_cli_level=INFO presets/ragengine/tests
 
 .PHONY: tuning-metrics-server-test
 tuning-metrics-server-test:
 	pip install -r ./presets/workspace/dependencies/requirements-test.txt
-	pytest -o log_cli=true -o log_cli_level=INFO presets/workspace/tuning/text-generation/metrics
+	pip install pytest-cov
+	pytest --cov -o log_cli=true -o log_cli_level=INFO presets/workspace/tuning/text-generation/metrics
 
 ## --------------------------------------
 ## E2E tests
 ## --------------------------------------
 
 inference-api-e2e:
 	pip install -r ./presets/workspace/dependencies/requirements-test.txt
-	pytest -o log_cli=true -o log_cli_level=INFO presets/workspace/inference/vllm
-	pytest -o log_cli=true -o log_cli_level=INFO presets/workspace/inference/text-generation
+	pip install pytest-cov
+	pytest --cov -o log_cli=true -o log_cli_level=INFO presets/workspace/inference/vllm
+	pytest --cov -o log_cli=true -o log_cli_level=INFO presets/workspace/inference/text-generation
 
 # Ginkgo configurations
 GINKGO_FOCUS ?=
@@ -241,8 +244,8 @@ docker-build-ragengine: docker-buildx
                 --tag $(REGISTRY)/$(RAGENGINE_IMG_NAME):$(RAGENGINE_IMG_TAG) .
 
 .PHONY: docker-build-rag-service
-docker-build-ragservice: docker buildx
-    docker buildx build \
+docker-build-ragservice: docker-buildx
+	docker buildx build \
         --platform="linux/$(ARCH)" \
         --output=$(OUTPUT_TYPE) \
         --file ./docker/ragengine/service/Dockerfile \