Add patchJson6902 transformer

2026-06-13 18:10:59 +00:00 · 2018-08-30 13:46:08 -07:00
parent 95cf508b2b
commit 7f0e9e3a6a
7 changed files with 496 additions and 4 deletions
--- a/pkg/patch/transformer/patchjson6902json_test.go
+++ b/pkg/patch/transformer/patchjson6902json_test.go
@@ -0,0 +1,115 @@
+/*
+Copyright 2018 The Kubernetes 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 transformer
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/kubernetes-sigs/kustomize/pkg/patch"
+	"github.com/kubernetes-sigs/kustomize/pkg/resmap"
+	"github.com/kubernetes-sigs/kustomize/pkg/resource"
+)
+
+func TestJsonPatchJSONTransformer_Transform(t *testing.T) {
+	base := resmap.ResMap{
+		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+			map[string]interface{}{
+				"apiVersion": "apps/v1",
+				"kind":       "Deployment",
+				"metadata": map[string]interface{}{
+					"name": "deploy1",
+				},
+				"spec": map[string]interface{}{
+					"template": map[string]interface{}{
+						"metadata": map[string]interface{}{
+							"labels": map[string]interface{}{
+								"old-label": "old-value",
+							},
+						},
+						"spec": map[string]interface{}{
+							"containers": []interface{}{
+								map[string]interface{}{
+									"name":  "nginx",
+									"image": "nginx",
+								},
+							},
+						},
+					},
+				},
+			}),
+	}
+
+	target := patch.Target{
+		Group:   "apps",
+		Version: "v1",
+		Kind:    "Deployment",
+		Name:    "deploy1",
+	}
+
+	operations := []byte(`[
+        {"op": "replace", "path": "/spec/template/spec/containers/0/name", "value": "my-nginx"},
+        {"op": "add", "path": "/spec/replica", "value": "3"},
+        {"op": "add", "path": "/spec/template/spec/containers/0/command", "value": ["arg1", "arg2", "arg3"]}
+]`)
+
+	expected := resmap.ResMap{
+		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+			map[string]interface{}{
+				"apiVersion": "apps/v1",
+				"kind":       "Deployment",
+				"metadata": map[string]interface{}{
+					"name": "deploy1",
+				},
+				"spec": map[string]interface{}{
+					"replica": "3",
+					"template": map[string]interface{}{
+						"metadata": map[string]interface{}{
+							"labels": map[string]interface{}{
+								"old-label": "old-value",
+							},
+						},
+						"spec": map[string]interface{}{
+							"containers": []interface{}{
+								map[string]interface{}{
+									"image": "nginx",
+									"name":  "my-nginx",
+									"command": []interface{}{
+										"arg1",
+										"arg2",
+										"arg3",
+									},
+								},
+							},
+						},
+					},
+				},
+			}),
+	}
+	jpt, err := NewPatchJson6902JSONTransformer(&target, operations)
+	if err != nil {
+		t.Fatalf("unexpected error : %v", err)
+	}
+	err = jpt.Transform(base)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !reflect.DeepEqual(base, expected) {
+		err = expected.ErrorIfNotEqual(base)
+		t.Fatalf("actual doesn't match expected: %v", err)
+	}
+}