add test for reconcile consistency

controllers/namespace_controller_test.go

@@ -476,4 +476,60 @@ var _ = Describe("Namespace controller", func() {
 			HaveField("Annotations", HaveKeyWithValue("memo", "tama")),
 		))
 	})
+
+	Context("templated namespace", func() {
+		var ns1 *corev1.Namespace
+
+		BeforeEach(func() {
+			tmpl := &corev1.Namespace{}
+			tmpl.GenerateName = "tmpl"
+			tmpl.Labels = map[string]string{
+				constants.LabelType: constants.NSTypeTemplate,
+				"team":              "label",
+			}
+			tmpl.Annotations = map[string]string{"memo": "annot"}
+			Expect(k8sClient.Create(ctx, tmpl)).To(Succeed())
+
+			ns1 = &corev1.Namespace{}
+			ns1.GenerateName = "ns1"
+			ns1.Labels = map[string]string{constants.LabelTemplate: tmpl.Name}
+			Expect(k8sClient.Create(ctx, ns1)).To(Succeed())
+
+			Eventually(komega.Object(ns1)).Should(HaveField("Labels", HaveKeyWithValue("team", "label")))
+			Expect(ns1.Annotations).To(HaveKeyWithValue("memo", "annot"))
+		})
+
+		It("should have stable resourceVersion", func() {
+			resourceVersion := ns1.ResourceVersion
+			Consistently(komega.Object(ns1)).Should(HaveField("ResourceVersion", Equal(resourceVersion)))
+		})
+	})
+
+	Context("sub namespace", func() {
+		var sub1 *corev1.Namespace
+
+		BeforeEach(func() {
+			root := &corev1.Namespace{}
+			root.GenerateName = "root"
+			root.Labels = map[string]string{
+				constants.LabelType: constants.NSTypeRoot,
+				"team":              "label",
+			}
+			root.Annotations = map[string]string{"memo": "annot"}
+			Expect(k8sClient.Create(ctx, root)).To(Succeed())
+
+			sub1 = &corev1.Namespace{}
+			sub1.GenerateName = "sub1"
+			sub1.Labels = map[string]string{constants.LabelParent: root.Name}
+			Expect(k8sClient.Create(ctx, sub1)).To(Succeed())
+
+			Eventually(komega.Object(sub1)).Should(HaveField("Labels", HaveKeyWithValue("team", "label")))
+			Expect(sub1.Annotations).To(HaveKeyWithValue("memo", "annot"))
+		})
+
+		It("should have stable resourceVersion", func() {
+			resourceVersion := sub1.ResourceVersion
+			Consistently(komega.Object(sub1)).Should(HaveField("ResourceVersion", Equal(resourceVersion)))
+		})
+	})
 })