Allow multiple patch strategies.

kyaml/yaml/schema/schema_test.go

@@ -0,0 +1,48 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package schema_test
+
+import (
+	"testing"
+
+	"github.com/go-openapi/spec"
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/kyaml/openapi"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+	. "sigs.k8s.io/kustomize/kyaml/yaml/schema"
+)
+
+func TestIsAssociativeNoSchema(t *testing.T) {
+	assert.False(t, IsAssociative(nil, []*yaml.RNode{}, false))
+}
+
+func makeSchema() *spec.Schema {
+	return &spec.Schema{
+		VendorExtensible: spec.VendorExtensible{
+			Extensions: make(map[string]interface{}),
+		},
+	}
+}
+
+func TestIsAssociativeSimpleStrategy(t *testing.T) {
+	s := makeSchema()
+	s.Extensions["x-kubernetes-patch-merge-key"] = "name"
+	s.Extensions["x-kubernetes-patch-strategy"] = "merge"
+	assert.True(
+		t,
+		IsAssociative(
+			&openapi.ResourceSchema{Schema: s},
+			[]*yaml.RNode{}, false))
+}
+
+func TestIsAssociativeMultipleStrategy(t *testing.T) {
+	s := makeSchema()
+	s.Extensions["x-kubernetes-patch-merge-key"] = "name"
+	s.Extensions["x-kubernetes-patch-strategy"] = "retainKeys,merge"
+	assert.True(
+		t,
+		IsAssociative(
+			&openapi.ResourceSchema{Schema: s},
+			[]*yaml.RNode{}, false))
+}