adjust tests

.gitea/workflows/ci.yaml

@@ -4,33 +4,30 @@ on:
   pull_request:
 
 jobs:
-  test-setup-trivy:
-    strategy:
-      matrix:
-        arch: [ amd64, arm64 ]
-    name: Test Setup Trivy ${{ matrix.arch }}
-    runs-on:
-      - ubuntu-latest
-      - linux_${{ matrix.arch }}
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - name: Setup Trivy
-        uses: ./setup-trivy
-      - name: Run Trivy
-        run: trivy --version
-
   test-setup-db:
     name: Test Setup DB
     runs-on:
       - ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - uses: ./setup-trivy
       - name: Setup DB
         id: setup-db
         uses: ./setup-db
-      - name: Run Trivy
-        run: trivy fs --skip-db-update --cache-dir ${{ steps.setup-db.outputs.cache-dir }} .
+      - name: Verify vulnerability DB in cache
+        run: |
+          set -euo pipefail
+          cache="${{ steps.setup-db.outputs.cache-dir }}"
+          db="$cache/db/trivy.db"
+          meta="$cache/db/metadata.json"
+          test -f "$meta" || { echo "FAIL: $meta missing (DB not downloaded?)"; exit 1; }
+          test -f "$db" || { echo "FAIL: $db missing (DB not downloaded?)"; exit 1; }
+          size=$(stat -c%s "$db")
+          min=$((3 * 1024 * 1024))
+          if [ "$size" -lt "$min" ]; then
+            echo "FAIL: trivy.db too small ($size bytes; expected at least $min bytes, i.e. a few MiB)"
+            exit 1
+          fi
+          echo "OK: trivy.db is present ($size bytes) and metadata.json exists."
 
   test-get-images-from-files:
     name: Test Get Images From Files