Allow to override output format and action fixes (#7)

Co-authored-by: Armel Soro <armel@rm3l.org>

.github/workflows/self-test.yml

@@ -10,56 +10,66 @@ on:
     branches: [ main ]
 
 jobs:
-  test-scan-linux:
+  test-scan:
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+        format: [ plain, json, sarif ]
+        version: [ latest, 0.2.3 ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Scan 1 - should succeed
+        uses: ./
+        with:
+          directory: sample/valid-yaml
+          config: sample/.kube-linter-config.yaml
+          format: ${{ matrix.format }}
+          version: ${{ matrix.version }}
+
+      - name: Scan 2 - should fail
+        id: failing-scan
+        uses: ./
+        with:
+          directory: sample/invalid-yaml
+          config: sample/.kube-linter-config.yaml
+          format: ${{ matrix.format }}
+          version: ${{ matrix.version }}
+        continue-on-error: true
+
+      - name: Verify Scan 2 should have failed
+        shell: bash
+        run: |
+          echo "Verifying that kube-linter-action outcome (${{ steps.failing-scan.outcome }}) from Scan 2 is failure."
+          [[ "${{ steps.failing-scan.outcome }}" == "failure" ]]
+
+  test-with-sarif-upload:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
-      - name: Scan 1 - succeeding
+      # Setup directory where github/codeql-action/upload-sarif@v1 looks up files by default.
+      - name: Create ../results directory for sarif files
+        shell: bash
+        run: mkdir -p ../results
+
+      - name: Scan 1 - should succeed
         uses: ./
         with:
           directory: sample/valid-yaml
           config: sample/.kube-linter-config.yaml
+          format: sarif
+          output-file: ../results/kube-linter-success.sarif
 
-      - name: Scan 2 - failing
+      - name: Scan 2 - should fail
         uses: ./
         with:
           directory: sample/invalid-yaml
           config: sample/.kube-linter-config.yaml
+          format: sarif
+          output-file: ../results/kube-linter-fail.sarif
         continue-on-error: true
 
-  test-scan-windows:
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Scan 1 - succeeding
-        uses: ./
-        with:
-          directory: sample/valid-yaml
-          config: sample/.kube-linter-config.yaml
-
-      - name: Scan 2 - failing
-        uses: ./
-        with:
-          directory: sample/invalid-yaml
-          config: sample/.kube-linter-config.yaml
-        continue-on-error: true
-
-  test-scan-macos:
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Scan 1 - succeeding
-        uses: ./
-        with:
-          directory: sample/valid-yaml
-          config: sample/.kube-linter-config.yaml
-
-      - name: Scan 2 - failing
-        uses: ./
-        with:
-          directory: sample/invalid-yaml
-          config: sample/.kube-linter-config.yaml
-        continue-on-error: true
+      - name: Upload SARIF output file to GitHub
+        uses: github/codeql-action/upload-sarif@v1