fix(actions): add test for action on CronWorkflow without labels (#14962) (cherry-pick #14974)

resource_customizations/argoproj.io/CronWorkflow/actions/action_test.yaml

@@ -2,3 +2,6 @@ actionTests:
 - action: create-workflow
   inputPath: testdata/cronworkflow.yaml
   expectedOutputPath: testdata/workflow.yaml
+- action: create-workflow
+  inputPath: testdata/cronworkflow-without-label.yaml
+  expectedOutputPath: testdata/workflow-without-label.yaml

resource_customizations/argoproj.io/CronWorkflow/actions/create-workflow/action.lua

@@ -50,7 +50,7 @@ if (obj.spec.workflowMetadata ~= nil) then
     end
 end
 workflow.metadata.labels["workflows.argoproj.io/cron-workflow"] = obj.metadata.name
-if (obj.metadata.labels["workflows.argoproj.io/controller-instanceid"] ~= nil) then
+if (obj.metadata.labels ~= nil and obj.metadata.labels["workflows.argoproj.io/controller-instanceid"] ~= nil) then
     workflow.metadata.labels["workflows.argoproj.io/controller-instanceid"] = obj.metadata.labels["workflows.argoproj.io/controller-instanceid"]
 end
 workflow.metadata.annotations["workflows.argoproj.io/scheduled-time"] = os.date("!%Y-%m-%dT%d:%H:%MZ")

resource_customizations/argoproj.io/CronWorkflow/actions/testdata/cronworkflow-without-label.yaml

@@ -0,0 +1,31 @@
+apiVersion: argoproj.io/v1alpha1
+kind: CronWorkflow
+metadata:
+  annotations:
+    cronworkflows.argoproj.io/last-used-schedule: CRON_TZ=America/Los_Angeles * * * * *
+  name: hello-world
+  namespace: default
+spec:
+  concurrencyPolicy: Replace
+  failedJobsHistoryLimit: 4
+  schedule: '* * * * *'
+  startingDeadlineSeconds: 0
+  successfulJobsHistoryLimit: 4
+  suspend: true
+  timezone: America/Los_Angeles
+  workflowSpec:
+    entrypoint: whalesay
+    templates:
+      - container:
+          args:
+            - "\U0001F553 hello world. Scheduled on: {{workflow.scheduledTime}}"
+          command:
+            - cowsay
+          image: 'docker/whalesay:latest'
+        name: whalesay
+  workflowMetadata:
+    labels:
+      example: test
+    annotations:
+      another-example: another-test
+    finalizers: [test-finalizer]

resource_customizations/argoproj.io/CronWorkflow/actions/testdata/workflow-without-label.yaml

@@ -0,0 +1,26 @@
+- k8sOperation: create
+  unstructuredObj:
+    apiVersion: argoproj.io/v1alpha1
+    kind: Workflow
+    metadata:
+      annotations:
+        another-example: another-test
+      labels:
+        example: test
+      name: hello-world-202306221736
+      namespace: default
+      ownerReferences:
+        - apiVersion: argoproj.io/v1alpha1
+          kind: CronWorkflow
+          name: hello-world
+    finalizers: [test-finalizer]
+    spec:
+      entrypoint: whalesay
+      templates:
+        - container:
+            args:
+              - "\U0001F553 hello world. Scheduled on: {{workflow.scheduledTime}}"
+            command:
+              - cowsay
+            image: 'docker/whalesay:latest'
+          name: whalesay