test: add tests for service account name

Signed-off-by: Jiaxiao (mossaka) Zhou <[email protected]>

Author: Mossaka

pkg/cmd/scaffold.go

@@ -72,6 +72,7 @@ spec:
 {{- if .AzureWorkloadIdentity }}
   podLabels:
     azure.workload.identity/use: "true"
+{{- end }}
 {{- if .ServiceAccountName }}
   serviceAccountName: {{ .ServiceAccountName }}
 {{- end }}

pkg/cmd/scaffold_test.go

@@ -65,6 +65,32 @@ func TestScaffoldOutput(t *testing.T) {
 			},
 			expected: "multiple_image_secrets.yml",
 		},
+		{
+			name: "service account name is provided",
+			opts: ScaffoldOptions{
+				from:               "ghcr.io/foo/example-app:v0.1.0",
+				replicas:           2,
+				executor:           "containerd-shim-spin",
+				serviceAccountName: "my-service-account",
+			},
+			expected: "service_account_name.yml",
+		},
+		{
+			name: "service account with HPA autoscaler",
+			opts: ScaffoldOptions{
+				from:                              "ghcr.io/foo/example-app:v0.1.0",
+				executor:                          "containerd-shim-spin",
+				autoscaler:                        "hpa",
+				cpuLimit:                          "100m",
+				memoryLimit:                       "128Mi",
+				replicas:                          2,
+				maxReplicas:                       3,
+				targetCPUUtilizationPercentage:    60,
+				targetMemoryUtilizationPercentage: 60,
+				serviceAccountName:                "my-service-account",
+			},
+			expected: "hpa_service_account.yml",
+		},
 		{
 			name: "HPA autoscaler support",
 			opts: ScaffoldOptions{

pkg/cmd/testdata/hpa_service_account.yml

@@ -0,0 +1,38 @@
+apiVersion: core.spinkube.dev/v1alpha1
+kind: SpinApp
+metadata:
+  name: example-app
+spec:
+  image: "ghcr.io/foo/example-app:v0.1.0"
+  executor: containerd-shim-spin
+  enableAutoscaling: true
+  serviceAccountName: my-service-account
+  resources:
+    limits:
+      cpu: 100m
+      memory: 128Mi
+---
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: example-app-autoscaler
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: example-app
+  minReplicas: 2
+  maxReplicas: 3
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 60
+  - type: Resource
+    resource:
+      name: memory
+      target:
+        type: Utilization
+        averageUtilization: 60

pkg/cmd/testdata/service_account_name.yml

@@ -0,0 +1,9 @@
+apiVersion: core.spinkube.dev/v1alpha1
+kind: SpinApp
+metadata:
+  name: example-app
+spec:
+  image: "ghcr.io/foo/example-app:v0.1.0"
+  executor: containerd-shim-spin
+  replicas: 2
+  serviceAccountName: my-service-account