Run E2E tests if proxy deployed

Author: stevebux

.github/actions/e2e-tests/action.yml

@@ -0,0 +1,50 @@
+name: E2E tests
+description: "Run end-to-end tests for this repo"
+
+inputs:
+  pr_number:
+      required: true
+      type: string
+
+runs:
+  using: "composite"
+
+  steps:
+    - name: Check if e2e tests should run
+      id: check_e2e
+      shell: bash
+      env:
+        GITHUB_TOKEN: ${{ env.GITHUB_TOKEN }}
+      run: |
+        if [[ -n "${{ inputs.pr_number }}" ]]; then
+          labels=$(gh pr view "${{ inputs.pr_number }}" --json labels --jq '.labels[].name' 2>/dev/null || echo "")
+
+          if echo "$labels" | grep -Fxq 'deploy-proxy'; then
+            echo "deploy-proxy label found; e2e tests will run."
+            echo "run_e2e=true" >> $GITHUB_OUTPUT
+          else
+            echo "deploy-proxy label not found; e2e tests will be skipped."
+            echo "run_e2e=false" >> $GITHUB_OUTPUT
+          fi
+        else
+          echo "Not a PR environment; e2e tests will run."
+          echo "run_e2e=true" >> $GITHUB_OUTPUT
+        fi
+
+    - name: Install poetry and e2e test dependencies
+      if: steps.check_e2e.outputs.run_e2e == 'true'
+      shell: bash
+      run: |
+        pipx install poetry
+        cd tests/e2e-tests && poetry install
+
+    - name: Run e2e tests
+      if: steps.check_e2e.outputs.run_e2e == 'true'
+      shell: bash
+      run: |
+        echo "$INTERNAL_DEV_TEST_PEM" > "${GITHUB_WORKSPACE}/internal-dev-test-1.pem"
+        chmod 600 "${GITHUB_WORKSPACE}/internal-dev-test-1.pem"
+        export PROXY_NAME=nhs-notify-supplier--internal-dev--nhs-notify-supplier
+        export API_ENVIRONMENT=internal-dev
+        export NON_PROD_PRIVATE_KEY="${GITHUB_WORKSPACE}/internal-dev-test-1.pem"
+        make .internal-dev-test

.github/workflows/stage-4-acceptance.yaml

@@ -77,3 +77,18 @@ jobs:
             --targetEnvironment "$ENVIRONMENT" \
             --targetAccountGroup "nhs-notify-supplier-api-dev" \
             --targetComponent "api"
+
+  run-e2e-tests:
+    name: Run End-to-End Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5.0.0
+
+      - name: "Run e2e tests"
+        uses: ./.github/actions/e2e-tests
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NON_PROD_API_KEY: ${{ secrets.NON_PROD_API_KEY }}
+          INTERNAL_DEV_TEST_PEM: ${{ secrets.INTERNAL_DEV_TEST_PEM }}
+        with:
+          pr_number: ${{ inputs.pr_number }}