Error handling and reporting

.github/workflows/yocto-build-deploy.yml

@@ -135,21 +135,13 @@ on:
         description: "JSON list with the test suites to run."
         required: false
         type: string
-        default: >
-          [
-            "os",
-            "hup",
-            "cloud"
-          ]
+        default: [ "os", "hup", "cloud" ]
       test-workers:
         description: "JSON list of worker types to use for testing. Valid element values are `qemu` and `testbot`."
         required: false
         type: string
         # Most devices use "testbot", so "qemu" is the exception and should be set at the device repo level
-        default: >
-          [
-            "testbot"
-          ]
+        default: [ "testbot" ]
       worker-fleets:
         description: "Testbot fleet for finding available Leviathan workers. Not used for QEMU workers. Can accept a list of apps separated by commas, no spaces in between."
         type: string
@@ -986,6 +978,11 @@ jobs:
               "WORKER_TYPE": ${{ inputs.test-workers }}
             }
         run: |
+          # Validate inputs meant to be JSON arrays.
+          echo ${{ inputs.runs-on }} | jq ".[]" || echo "INPUT ERROR: runs-on must be JSON array, got ${{ inputs.test-suites }}"
+          echo ${{ inputs.test-suites }} | jq ".[]" || echo "INPUT ERROR: test-suites must be JSON array, got ${{ inputs.test-suites }}"
+          echo ${{ inputs.test-workers }} | jq ".[]" || echo "INPUT ERROR: test-workers must be JSON array, got ${{ inputs.test-suites }}"
+
           echo $json
           json=$(jq -e -c . <<<"${MATRIX}") || exit $?
           echo "json=${json}" >> "${GITHUB_OUTPUT}"