Add e2e test

.github/workflows/e2e-tests.yml

@@ -105,6 +105,21 @@ jobs:
         shell: bash
         run: ./tests/assert-env-unset.sh
 
+      - name: Load secrets (invalid ref - expect failure)
+        id: load_invalid
+        continue-on-error: true
+        uses: ./
+        env:
+          BAD_REF: "op://x"
+          OP_SERVICE_ACCOUNT_TOKEN: ${{ secrets.OP_SERVICE_ACCOUNT_TOKEN }}
+        with:
+          export-env: true
+
+      - name: Assert invalid ref failed
+        run: ./tests/assert-invalid-ref-failed.sh
+        env:
+          STEP_OUTCOME: ${{ steps.load_invalid.outcome }}
+
   test-connect:
     name: Connect (ubuntu-latest, ${{ matrix.version }}, export-env=${{ matrix.export-env }})
     runs-on: ubuntu-latest

tests/assert-invalid-ref-failed.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -e
+if [ "$STEP_OUTCOME" != "failure" ]; then
+  echo "Expected action to fail on invalid ref, got: $STEP_OUTCOME"
+  exit 1
+fi
+echo "Action correctly failed on invalid ref"