Integrate Codecov to publish code coverage data (#33)

Author: vanekjar

.github/.codecov.yml

@@ -0,0 +1,26 @@
+# validate
+# cat .codecov.yml | curl --data-binary @- https://codecov.io/validate
+
+codecov:
+  require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: "70...100"
+  status:
+    project:
+      default:
+        if_ci_failed: error #success, failure, error, ignore
+        informational: true
+        only_pulls: true
+
+comment:
+  layout: "reach,diff,flags,files,footer"
+  behavior: default
+  require_changes: no
+
+ignore:
+  - "config/**/*"
+  - "pkg/api/**/*"
+  - "mocks/**/*"

.github/workflows/build.yml

@@ -1,6 +1,8 @@
 name: build
 
 on:
+  push:
+    branches: [ main ]
   pull_request:
     branches: [ main ]
 
@@ -16,5 +18,10 @@ jobs:
       with:
         go-version: 1.17
 
-    - name: make test
+    - name: Unit tests
       run: make test
+
+    - name: Upload code coverage
+      uses: codecov/codecov-action@v2
+      with:
+        files: cover.out

Makefile

@@ -56,7 +56,7 @@ ENVTEST_ASSETS_DIR=$(shell pwd)/testbin
 test: manifests generate generate-mocks fmt vet ## Run tests.
 	mkdir -p ${ENVTEST_ASSETS_DIR}
 	test -f ${ENVTEST_ASSETS_DIR}/setup-envtest.sh || curl -sSLo ${ENVTEST_ASSETS_DIR}/setup-envtest.sh https://raw.githubusercontent.com/kubernetes-sigs/controller-runtime/v0.7.2/hack/setup-envtest.sh
-	source ${ENVTEST_ASSETS_DIR}/setup-envtest.sh; fetch_envtest_tools $(ENVTEST_ASSETS_DIR); setup_envtest_env $(ENVTEST_ASSETS_DIR); go test ./... -coverprofile cover.out
+	source ${ENVTEST_ASSETS_DIR}/setup-envtest.sh; fetch_envtest_tools $(ENVTEST_ASSETS_DIR); setup_envtest_env $(ENVTEST_ASSETS_DIR); go test ./... -coverprofile cover.out -covermode=atomic
 
 ##@ Build
 

README.md

@@ -2,11 +2,12 @@
 
 [![Documentation](https://img.shields.io/badge/godoc-reference-blue.svg)](https://godoc.org/github.com/aws/aws-cloud-map-mcs-controller-for-k8s)
 [![CodeQL](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/actions/workflows/codeql-analysis.yml/badge.svg?branch=main)](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/actions/workflows/codeql-analysis.yml)
-[![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/issues)
 [![Build status](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/actions/workflows/build.yml/badge.svg?branch=main)](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/actions/workflows/build.yml)
 [![Deploy status](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/actions/workflows/deploy.yml/badge.svg?branch=main)](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/actions/workflows/deploy.yml)
+[![codecov](https://codecov.io/gh/aws/aws-cloud-map-mcs-controller-for-k8s/branch/main/graph/badge.svg)](https://codecov.io/gh/aws/aws-cloud-map-mcs-controller-for-k8s)
 
 [![License](https://img.shields.io/badge/license-Apache--2.0-blue.svg?color=success)](http://www.apache.org/licenses/LICENSE-2.0)
+[![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/issues)
 [![GitHub issues](https://img.shields.io/github/issues-raw/aws/aws-cloud-map-mcs-controller-for-k8s?style=flat)](https://github.com/aws/aws-cloud-map-mcs-controller-for-k8s/issues)
 [![Go Report Card](https://goreportcard.com/badge/github.com/aws/aws-cloud-map-mcs-controller-for-k8s)](https://goreportcard.com/report/github.com/aws/aws-cloud-map-mcs-controller-for-k8s)