enhancement: added codecov

.github/codecov.yml

@@ -0,0 +1,18 @@
+codecov:
+  branch: main
+  strict_yaml_branch: main
+
+coverage:
+  range: 70..100
+  round: nearest
+  precision: 2
+
+comment: 
+  layout: ""
+  require_base: false
+  require_head: yes 
+  branches:
+  - "M3GmRUVDUZcwg8nK1GmvERHAttwdAYVH" # set it to M3GmRUVDUZcwg8nK1GmvERHAttwdAYVH so that no comments are written.
+
+ignore:
+  - "_example/"

.github/workflows/tests.yml

@@ -12,6 +12,9 @@ jobs:
   unit:
     name: unit tests
     runs-on: ubuntu-latest
+    env:
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      COVER_FILE: coverage.txt
     steps:
       - name: Setup Go ${{ env.go_version }}
         uses: actions/setup-go@v3
@@ -23,4 +26,13 @@ jobs:
 
       - name: Run tests
         shell: bash
-        run: go test -race -cover ./...
+        run: go test -race -coverprofile=$COVER_FILE -covermode=atomic $(go list ./...)
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v2
+        with:
+          token: ${{ env.CODECOV_TOKEN }}
+          env_vars: OS,GOLANG
+          fail_ci_if_error: true
+          files: ${{ env.COVER_FILE }}
+          flags: unittests