Fix names/doc in transformation config code.

pkg/transformers/config/fieldspec_test.go

@@ -0,0 +1,46 @@
+/*
+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"
+	"testing"
+)
+
+func TestPathSlice(t *testing.T) {
+	type path struct {
+		input  string
+		parsed []string
+	}
+	paths := []path{
+		{
+			input:  "spec/metadata/annotations",
+			parsed: []string{"spec", "metadata", "annotations"},
+		},
+		{
+			input:  `metadata/annotations/nginx.ingress.kubernetes.io\/auth-secret`,
+			parsed: []string{"metadata", "annotations", "nginx.ingress.kubernetes.io/auth-secret"},
+		},
+	}
+	for _, p := range paths {
+		fs := FieldSpec{Path: p.input}
+		actual := fs.PathSlice()
+		if !reflect.DeepEqual(actual, p.parsed) {
+			t.Fatalf("expected %v, but got %v", p.parsed, actual)
+		}
+	}
+}