Add code coverage (#14)

Author: pregress

.github/workflows/build.yml

@@ -20,11 +20,20 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
         go-version-file: 'go.mod'
+
     - name: Run tests
       run: make test
+      
+    - name: Upload results to Codecov
+      uses: codecov/codecov-action@v4
+      if: matrix.os == 'ubuntu-latest'
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+
     - name: Run build
       run: make build

.gitignore

@@ -1,4 +1,10 @@
 # don't track built binary
 /tflint-ruleset-azurerm-security
 
-tools/
+tools/
+
+
+# test coverage
+cover.html
+cover.out
+coverage.txt

Makefile

@@ -1,7 +1,7 @@
 default: build
 
 test:
-	go test ./...
+	go test ./... -cover -coverprofile=coverage.txt
 
 build:
 	go build

README.md

@@ -1,5 +1,6 @@
 # TFLint Ruleset AzureRm Security
 [![build](https://github.com/pregress/tflint-ruleset-azurerm-securirty/actions/workflows/build.yml/badge.svg)](https://github.com/pregress/tflint-ruleset-azurerm-securirty/actions/workflows/build.yml)
+[![codecov](https://codecov.io/github/pregress/tflint-ruleset-azurerm-security/graph/badge.svg?token=J3ZJ051YQQ)](https://codecov.io/github/pregress/tflint-ruleset-azurerm-security)
 
 This is a  repository for an azurerm tflint rule set to enforce security best practices.