Add Sanity test

Adding Tests to test the incoming code either through pull request or push to repository

Signed-off-by: divyansh42 <diagrawa@redhat.com>

.github/workflows/verify-push.yaml

@@ -0,0 +1,53 @@
+# This workflow will perform a test whenever there
+# is some change in code done to ensure that the changes
+# are not buggy and we are getting the desired output.
+name: Test Push
+on: [push, pull_request, workflow_dispatch]
+env:
+  IMAGE_NAME: hello-world
+  IMAGE_REGISTRY: quay.io
+  IMAGE_TAG: latest
+
+jobs:
+  build:
+    name: Push image to Quay.io
+    runs-on: ubuntu-latest
+    steps:
+      # Fetch name of the Forked Repository with Branch
+      # if workflow is triggered from pull request
+      - name: Fetch PR head repo and branch name
+        if: github.event_name == 'pull_request'
+        run: |
+          HEAD_REPO_NAME=$(jq -r '.pull_request.head.repo.full_name' "$GITHUB_EVENT_PATH")
+          echo "PR head repo: $HEAD_REPO_NAME"
+          echo "repo=$HEAD_REPO_NAME" >> $GITHUB_ENV
+          echo "branch=$GITHUB_HEAD_REF" >> $GITHUB_ENV
+
+      # Extract repository name with branch
+      - name: Fetch Repository name with branch
+        if: github.event_name != 'pull_request'
+        shell: bash
+        run: |
+          echo "repo=$GITHUB_REPOSITORY" >> $GITHUB_ENV
+          echo "branch=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV
+
+      # Checkout push-to-registry action github repository
+      - name: Checkout Push to Registry action
+        uses: actions/checkout@v2
+        with:
+          repository: ${{ env.repo }}
+          ref: ${{ env.branch }}
+
+      # Pull hello-world image to push in next step
+      - name: Pull Hello world image
+        run: docker pull ${{ env.IMAGE_NAME }}
+
+      # Push the image to image registry 
+      - name: Push To Quay
+        uses: ./
+        with:
+          image: ${{ env.IMAGE_NAME }}
+          tag: ${{ env.IMAGE_TAG }}
+          registry: ${{ env.IMAGE_REGISTRY }}/${{ secrets.REGISTRY_USER }}
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}