test(get deployed): Add cmd/helm level tests

Add cmd/helm level tests related to `helm get deployed` command.

Related to helm#12722

Signed-off-by: Bhargav Ravuri <[email protected]>

cmd/helm/get_deployed_test.go

@@ -0,0 +1,209 @@
+/*
+Copyright The Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"testing"
+	"text/template"
+	"time"
+
+	kubefake "helm.sh/helm/v3/pkg/kube/fake"
+	"helm.sh/helm/v3/pkg/release"
+	helmtime "helm.sh/helm/v3/pkg/time"
+
+	"github.com/stretchr/testify/assert"
+	appsv1 "k8s.io/api/apps/v1"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/meta/testrestmapper"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+)
+
+const manifestTemplate = `---
+# Source: templates/namespace.yaml
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: {{ .Namespace }}
+  creationTimestamp: {{ .CreationTimestamp }}
+---
+# Source: templates/configmap.yaml
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: nami
+  namespace: {{ .Namespace }}
+  creationTimestamp: {{ .CreationTimestamp }}
+data:
+  attack: "Gomu Gomu no King Kong Gun!"
+---
+# Source: templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: zoro
+  namespace: {{ .Namespace }}
+  creationTimestamp: {{ .CreationTimestamp }}
+spec:
+  type: ClusterIP
+  selector:
+    app: one-piece
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+---
+# Source: templates/deployment.yaml
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: luffy
+  namespace: {{ .Namespace }}
+  creationTimestamp: {{ .CreationTimestamp }}
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: one-piece
+  template:
+    metadata:
+      labels:
+        app: one-piece
+    spec:
+      containers:
+        - name: luffy-arsenal
+          image: "nginx:1.21.6"
+          ports:
+            - containerPort: 80
+          env:
+            - name: ATTACK
+              valueFrom:
+                configMapKeyRef:
+                  name: luffy
+                  key: attack
+`
+
+func TestGetDeployed(t *testing.T) {
+	const (
+		namespace   = `thousand-sunny`
+		releaseName = `one-piece`
+	)
+	var (
+		manifest                     bytes.Buffer
+		relativeCreationTimestamp    = time.Now().Add(-2 * time.Minute)
+		relativeCreationTimestampStr = relativeCreationTimestamp.Format(time.RFC3339)
+		exactCreationTimestamp       = time.Date(2024, time.October, 28, 0, 4, 30, 0, time.FixedZone("IST", 19800))
+		exactCreationTimestampStr    = exactCreationTimestamp.Format(time.RFC3339)
+		scheme                       = runtime.NewScheme()
+	)
+
+	manifestTemplateParser, err := template.New("manifestTemplate").Parse(manifestTemplate)
+	assert.NoError(t, err)
+
+	assert.NoError(t, corev1.AddToScheme(scheme))
+	assert.NoError(t, corev1.AddToScheme(scheme))
+	assert.NoError(t, appsv1.AddToScheme(scheme))
+
+	restMapper := testrestmapper.TestOnlyStaticRESTMapper(scheme)
+	configFlags := genericclioptions.NewTestConfigFlags().
+		WithRESTMapper(restMapper)
+
+	prepareReleaseFunc := func(name, namespace, timestamp string, manifest bytes.Buffer, info *release.Info) []*release.Release {
+		err = manifestTemplateParser.Execute(&manifest, struct {
+			Namespace         string
+			CreationTimestamp string
+		}{
+			Namespace:         namespace,
+			CreationTimestamp: timestamp,
+		})
+		assert.NoError(t, err)
+
+		return []*release.Release{{
+			Name:      name,
+			Namespace: namespace,
+			Info:      info,
+			Manifest:  manifest.String(),
+		}}
+	}
+
+	tests := []cmdTestCase{
+		{
+			name:   "get deployed with release",
+			cmd:    fmt.Sprintf("get deployed %s --namespace %s", releaseName, namespace),
+			golden: "output/get-deployed.txt",
+			rels: prepareReleaseFunc(
+				releaseName,
+				namespace,
+				relativeCreationTimestampStr,
+				manifest,
+				&release.Info{
+					LastDeployed: helmtime.Unix(relativeCreationTimestamp.Unix(), 0).UTC(),
+					Status:       release.StatusDeployed,
+				},
+			),
+			restClientGetter: configFlags,
+			kubeClientOpts: &kubefake.Options{
+				GetReturnResourceMap:    true,
+				BuildReturnResourceList: true,
+			},
+		},
+		{
+			name:   "get deployed with release in json format",
+			cmd:    fmt.Sprintf("get deployed %s --namespace %s --output json", releaseName, namespace),
+			golden: "output/get-deployed.json",
+			rels: prepareReleaseFunc(
+				releaseName,
+				namespace,
+				exactCreationTimestampStr,
+				manifest,
+				&release.Info{
+					LastDeployed: helmtime.Unix(exactCreationTimestamp.Unix(), 0).UTC(),
+					Status:       release.StatusDeployed,
+				},
+			),
+			restClientGetter: configFlags,
+			kubeClientOpts: &kubefake.Options{
+				GetReturnResourceMap:    true,
+				BuildReturnResourceList: true,
+			},
+		},
+		{
+			name:   "get deployed with release in yaml format",
+			cmd:    fmt.Sprintf("get deployed %s --namespace %s --output yaml", releaseName, namespace),
+			golden: "output/get-deployed.yaml",
+			rels: prepareReleaseFunc(
+				releaseName,
+				namespace,
+				exactCreationTimestampStr,
+				manifest,
+				&release.Info{
+					LastDeployed: helmtime.Unix(exactCreationTimestamp.Unix(), 0).UTC(),
+					Status:       release.StatusDeployed,
+				},
+			),
+			restClientGetter: configFlags,
+			kubeClientOpts: &kubefake.Options{
+				GetReturnResourceMap:    true,
+				BuildReturnResourceList: true,
+			},
+		},
+	}
+
+	runTestCmd(t, tests)
+}

cmd/helm/testdata/output/get-deployed.json

@@ -0,0 +1 @@
+[{"name":"thousand-sunny","namespace":"","apiVersion":"v1","resource":"namespaces","creationTimestamp":"2024-10-27T18:34:30Z"},{"name":"nami","namespace":"thousand-sunny","apiVersion":"v1","resource":"configmaps","creationTimestamp":"2024-10-27T18:34:30Z"},{"name":"zoro","namespace":"thousand-sunny","apiVersion":"v1","resource":"services","creationTimestamp":"2024-10-27T18:34:30Z"},{"name":"luffy","namespace":"thousand-sunny","apiVersion":"apps/v1","resource":"deployments","creationTimestamp":"2024-10-27T18:34:30Z"}]

cmd/helm/testdata/output/get-deployed.txt

@@ -0,0 +1,5 @@
+NAMESPACE     	NAME                     	API_VERSION	AGE
+              	namespaces/thousand-sunny	v1         	2m 
+thousand-sunny	configmaps/nami          	v1         	2m 
+thousand-sunny	services/zoro            	v1         	2m 
+thousand-sunny	deployments/luffy        	apps/v1    	2m 

cmd/helm/testdata/output/get-deployed.yaml

@@ -0,0 +1,20 @@
+- apiVersion: v1
+  creationTimestamp: "2024-10-27T18:34:30Z"
+  name: thousand-sunny
+  namespace: ""
+  resource: namespaces
+- apiVersion: v1
+  creationTimestamp: "2024-10-27T18:34:30Z"
+  name: nami
+  namespace: thousand-sunny
+  resource: configmaps
+- apiVersion: v1
+  creationTimestamp: "2024-10-27T18:34:30Z"
+  name: zoro
+  namespace: thousand-sunny
+  resource: services
+- apiVersion: apps/v1
+  creationTimestamp: "2024-10-27T18:34:30Z"
+  name: luffy
+  namespace: thousand-sunny
+  resource: deployments