Fix names/doc in transformation config code.

pkg/transformers/config/namebackreferences_test.go

@@ -0,0 +1,106 @@
+/*
+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 config
+
+import (
+	"reflect"
+	"sigs.k8s.io/kustomize/pkg/gvk"
+	"testing"
+)
+
+func TestFoo(t *testing.T) {
+	fsSlice1 := []FieldSpec{
+		{
+			Gvk: gvk.Gvk{
+				Kind: "Pod",
+			},
+			Path:               "path/to/a/name",
+			CreateIfNotPresent: false,
+		},
+		{
+			Gvk: gvk.Gvk{
+				Kind: "Deployment",
+			},
+			Path:               "another/path/to/some/name",
+			CreateIfNotPresent: false,
+		},
+	}
+	fsSlice2 := []FieldSpec{
+		{
+			Gvk: gvk.Gvk{
+				Kind: "Job",
+			},
+			Path:               "morepath/to/name",
+			CreateIfNotPresent: false,
+		},
+		{
+			Gvk: gvk.Gvk{
+				Kind: "StatefulSet",
+			},
+			Path:               "yet/another/path/to/a/name",
+			CreateIfNotPresent: false,
+		},
+	}
+
+	nbrsSlice1 := []NameBackReferences{
+		{
+			Gvk: gvk.Gvk{
+				Kind: "ConfigMap",
+			},
+			FieldSpecs: fsSlice1,
+		},
+		{
+			Gvk: gvk.Gvk{
+				Kind: "Secret",
+			},
+			FieldSpecs: fsSlice2,
+		},
+	}
+	nbrsSlice2 := []NameBackReferences{
+		{
+			Gvk: gvk.Gvk{
+				Kind: "ConfigMap",
+			},
+			FieldSpecs: fsSlice1,
+		},
+		{
+			Gvk: gvk.Gvk{
+				Kind: "Secret",
+			},
+			FieldSpecs: fsSlice2,
+		},
+	}
+	expected := []NameBackReferences{
+		{
+			Gvk: gvk.Gvk{
+				Kind: "ConfigMap",
+			},
+			// Current behavior allows repeats of FieldSpec
+			FieldSpecs: append(fsSlice1, fsSlice1...),
+		},
+		{
+			Gvk: gvk.Gvk{
+				Kind: "Secret",
+			},
+			FieldSpecs: append(fsSlice2, fsSlice2...),
+		},
+	}
+	actual := mergeNameBackReferences(nbrsSlice1, nbrsSlice2)
+	if !reflect.DeepEqual(actual, expected) {
+		t.Fatalf("expected\n %v\n but got\n %v\n", expected, actual)
+	}
+}