Add arm64 testing in GitHub Actions workflow.

Author: nathanwasson

.github/workflows/build-test-image.yml

@@ -20,7 +20,7 @@ env:
   IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  build:
+  build-push-test:
     runs-on: ubuntu-latest
     environment: testing
     permissions:
@@ -76,7 +76,7 @@ jobs:
         CF_ACCESS_CLIENT_ID: "op://x4h33jlflygxmifnxfrizew4oa/7g2fhcv3tpsogr2vhkielewvsm/wsyxxjrdsyj36zsaanbh3kybfe"
         CF_ACCESS_CLIENT_SECRET: "op://x4h33jlflygxmifnxfrizew4oa/7g2fhcv3tpsogr2vhkielewvsm/5x3sr7bry5a3ealsemvx5vcbuy"
 
-    - name: Run test matrix in container
+    - name: Run test matrix in container (linux/amd64)
       env:
         IMAGE_REF: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.build-and-push.outputs.digest }}
         CF_ACCESS_CLIENT_ID: ${{ steps.op-load-secrets.outputs.CF_ACCESS_CLIENT_ID }}
@@ -102,6 +102,7 @@ jobs:
           echo "--- Test: $test_name ---"
           echo "Description: $test_desc"
           echo "Expected exit: $expected_exit"
+          echo "Platform: linux/amd64"
 
           docker_cmd=(docker run --rm --pull always --platform linux/amd64)
 
@@ -144,3 +145,73 @@ jobs:
         if [ $failed_tests -gt 0 ]; then
           exit 1
         fi
+
+    - name: Run test matrix in container (linux/arm64)
+      env:
+        IMAGE_REF: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.build-and-push.outputs.digest }}
+        CF_ACCESS_CLIENT_ID: ${{ steps.op-load-secrets.outputs.CF_ACCESS_CLIENT_ID }}
+        CF_ACCESS_CLIENT_SECRET: ${{ steps.op-load-secrets.outputs.CF_ACCESS_CLIENT_SECRET }}
+      run: |
+        set +e
+        total_tests=0
+        passed_tests=0
+        failed_tests=0
+
+        while IFS= read -r test_case; do
+          total_tests=$((total_tests + 1))
+
+          test_name=$(echo "$test_case" | jq -r '.name')
+          test_desc=$(echo "$test_case" | jq -r '.description')
+          test_args=$(echo "$test_case" | jq -r '.args')
+          test_url=$(echo "$test_case" | jq -r '.url')
+          expected_exit=$(echo "$test_case" | jq -r '.expect_exit')
+          skip_url=$(echo "$test_case" | jq -r '.skip_url')
+          skip_creds=$(echo "$test_case" | jq -r '.skip_creds // false')
+
+          echo ""
+          echo "--- Test: $test_name ---"
+          echo "Description: $test_desc"
+          echo "Expected exit: $expected_exit"
+          echo "Platform: linux/arm64"
+
+          docker_cmd=(docker run --rm --pull always --platform linux/arm64)
+
+          if [ "$skip_creds" != "true" ]; then
+            docker_cmd+=(
+              -e "CF_ACCESS_CLIENT_ID=$CF_ACCESS_CLIENT_ID"
+              -e "CF_ACCESS_CLIENT_SECRET=$CF_ACCESS_CLIENT_SECRET"
+            )
+          fi
+
+          docker_cmd+=("$IMAGE_REF" bash -lc)
+
+          if [ "$skip_url" = "true" ]; then
+            test_command="r2-downloader $test_args"
+          else
+            test_command="r2-downloader $test_args $test_url"
+          fi
+
+          echo "Running: docker run --rm ... bash -lc \"$test_command\""
+
+          "${docker_cmd[@]}" "$test_command"
+          actual_exit=$?
+
+          if [ $actual_exit -eq $expected_exit ]; then
+            echo "✅ [PASS] $test_name"
+            passed_tests=$((passed_tests + 1))
+          else
+            echo "❌ [FAIL] $test_name - expected $expected_exit, got $actual_exit"
+            failed_tests=$((failed_tests + 1))
+          fi
+
+        done < <(jq -c '.include[]' .github/workflows/test-matrix.json)
+
+        echo ""
+        echo "=== Container Test Summary (arm64) ==="
+        echo "Total: $total_tests"
+        echo "Passed: $passed_tests"
+        echo "Failed: $failed_tests"
+
+        if [ $failed_tests -gt 0 ]; then
+          exit 1
+        fi