test(uninstall): add unit test

Signed-off-by: Dong Gang <dong.gang@daocloud.io>

pkg/action/action_test.go

@@ -137,6 +137,20 @@ subjects:
   namespace: {{ .Release.Namespace }}
 `
 
+var manifestWithKeepAnno = `
+apiVersion: v1
+kind: Pod
+metadata:
+  name: pod-keep,
+  annotations:
+    "helm.sh/resource-policy": keep
+spec:
+  containers:
+  - name: nemo-test
+    image: fake-image
+    cmd: fake-command
+  `
+
 type chartOptions struct {
 	*chart.Chart
 }
@@ -253,6 +267,15 @@ func withMultipleManifestTemplate() chartOption {
 	}
 }
 
+func withKeepAnnoManifestTemplate() chartOption {
+	return func(opts *chartOptions) {
+		sampleTemplates := []*chart.File{
+			{Name: "templates/keep", Data: []byte(manifestWithKeepAnno)},
+		}
+		opts.Templates = append(opts.Templates, sampleTemplates...)
+	}
+}
+
 func withKube(version string) chartOption {
 	return func(opts *chartOptions) {
 		opts.Metadata.KubeVersion = version

pkg/action/uninstall_test.go

@@ -0,0 +1,19 @@
+package action
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUninstall_deleteRelease(t *testing.T) {
+	is := assert.New(t)
+	rel := releaseStub()
+	rel.Chart =buildChart(withKeepAnnoManifestTemplate())
+	rel.Manifest = manifestWithKeepAnno
+	config := actionConfigFixture(t)
+	unisAction := NewUninstall(config)
+	str, errs := unisAction.deleteRelease(rel)
+	is.Len(errs,0)
+	is.Equal("pod/pod-keep\n",str)
+}