makefile: Split the unit/integration tests coverage report generation (…

…#175)

Makefile

@@ -83,6 +83,9 @@ IMG ?= $(IMAGE_TAG_BASE):$(IMAGE_TAG)
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 ENVTEST_K8S_VERSION = 1.22
 
+# Directories containing unit test packages
+TEST_DIRS := pkg/common pkg/istio pkg/log pkg/reconcilers pkg/rlptools controllers
+
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
 GOBIN=$(shell go env GOPATH)/bin
@@ -257,13 +260,17 @@ clean-cov: ## Remove coverage report
 test: test-unit test-integration ## Run all tests
 
 test-integration: clean-cov generate fmt vet envtest ## Run Integration tests.
-	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) $(ARCH_PARAM) use $(ENVTEST_K8S_VERSION) -p path)" USE_EXISTING_CLUSTER=true go test ./... -coverprofile $(PROJECT_PATH)/cover.out -tags integration -ginkgo.v -ginkgo.progress -v -timeout 0
+	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) $(ARCH_PARAM) use $(ENVTEST_K8S_VERSION) -p path)" USE_EXISTING_CLUSTER=true go test ./... -coverprofile $(PROJECT_PATH)/coverage/integration/cover.out -tags integration -ginkgo.v -ginkgo.progress -v -timeout 0
 
 ifdef TEST_NAME
 test-unit: TEST_PATTERN := --run $(TEST_NAME)
 endif
 test-unit: clean-cov generate fmt vet ## Run Unit tests.
-	go test ./... -coverprofile $(PROJECT_PATH)/cover.out -tags unit -v -timeout 0 $(TEST_PATTERN)
+	@for dir in $(TEST_DIRS); do \
+		echo "Running tests in $$dir..."; \
+		mkdir -p coverage/unit/$$dir; \
+		go test ./$$dir -coverprofile $(PROJECT_PATH)/coverage/unit/$$dir/cover.out -tags unit -v -timeout 0 $(TEST_PATTERN); \
+	done
 
 .PHONY: namespace
 namespace: ## Creates a namespace where to deploy Kuadrant Operator