diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bc6c7e7..4c3956d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,10 +1,72 @@
 name: Run tests and upload coverage
 
 on:
-  push
+  pull_request:
+    types: [opened, synchronize, edited]
+  push:
 
+permissions:
+  id-token: write
+  contents: read
+
+#jobs:
+#  test:
+#    uses: gouef/github-lib-template/.github/workflows/shared_tests.yml@main
+#    with:
+#      slug: ${{ github.repository }}
 jobs:
   test:
-    uses: gouef/github-lib-template/.github/workflows/shared_tests.yml@main
-    with:
-      slug: gouef/mode
\ No newline at end of file
+    name: Run tests and collect coverage
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.23.4
+
+      - name: Install dependencies
+        run: go mod tidy
+
+      - name: Run tests
+        run: go test -covermode=set ./... -coverprofile=coverage.txt
+
+      - name: Check coverage file
+        run: cat coverage.txt
+      - name: Debug info
+        run: |
+          echo "Repo: ${{ github.repository }}"
+      - name: Test if CODECOV_TOKEN is available
+        run: |
+          if [ -z "${{ secrets.CODECOV_TOKEN }}" ]; then
+            echo "CODECOV_TOKEN is NOT set"
+          else
+            echo "CODECOV_TOKEN is available"
+          fi
+      - name: Debug Codecov Token
+        run: |
+          echo "Codecov Token: ${{ secrets.CODECOV_TOKEN }}"
+        env:
+          GH_TOKEN: ${{ secrets.GH_PAT }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      - name: Debug Codecov Upload
+        run: bash <(curl -s https://codecov.io/bash) -t ${{ secrets.CODECOV_TOKEN }} -f coverage.txt -r github.com/${{ github.repository }}
+        env:
+          GH_TOKEN: ${{ secrets.GH_PAT }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+
+      - name: Upload results to Codecov
+        uses: codecov/codecov-action@v5
+        env:
+          GH_TOKEN: ${{ secrets.GH_PAT }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: coverage.txt
+          name: ${{ github.workflow }}
+          fail_ci_if_error: true
+          verbose: true
\ No newline at end of file
diff --git a/README.md b/README.md
index 3af87f6..b909792 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ Mode of project
 [![GoDoc](https://pkg.go.dev/badge/github.com/gouef/mode.svg)](https://pkg.go.dev/github.com/gouef/mode)
 [![GitHub stars](https://img.shields.io/github/stars/gouef/mode?style=social)](https://github.com/gouef/mode/stargazers)
 [![Go Report Card](https://goreportcard.com/badge/github.com/gouef/mode)](https://goreportcard.com/report/github.com/gouef/mode)
+[![codecov](https://codecov.io/github/gouef/mode/branch/main/graph/badge.svg?token=YUG8EMH6Q8)](https://codecov.io/github/gouef/mode)
 
 
 ## Vesions
diff --git a/mode.go b/mode.go
index 6436fec..a576777 100644
--- a/mode.go
+++ b/mode.go
@@ -33,8 +33,8 @@ func NewBasicMode() (*Mode, error) {
 // NewMode create Mode
 // Example:
 //
-//	 modes := []string{"staging"}
-//	 mode, err := mode.NewMode(modes)
+//	modes := []string{"staging"}
+//	mode, err := mode.NewMode(modes)
 func NewMode(additionalModes []string) (*Mode, error) {
 	mode := os.Getenv(EnvMode)
 	modes := []string{