Add tests for stripping "namespaces/" from passed-in namespace

Kubernetes-commit: 33dff7275da46788ab4126e269a497da9c1c8003

tools/clientcmd/overrides_test.go

@@ -0,0 +1,50 @@
+/*
+Copyright 2017 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 clientcmd
+
+import (
+	"testing"
+
+	"github.com/spf13/pflag"
+)
+
+func TestNamespacePrefixStrip(t *testing.T) {
+	testData := map[string]string{
+		"namespaces/foo": "foo",
+		"NAMESPACES/foo": "foo",
+		"NameSpaces/foo": "foo",
+		"namespace/foo":  "foo",
+		"NAMESPACE/foo":  "foo",
+		"nameSpace/foo":  "foo",
+		"ns/foo":         "foo",
+		"NS/foo":         "foo",
+		"namespaces/":    "namespaces/",
+		"namespace/":     "namespace/",
+		"ns/":            "ns/",
+	}
+
+	for before, after := range testData {
+		overrides := &ConfigOverrides{}
+		fs := &pflag.FlagSet{}
+		BindOverrideFlags(overrides, fs, RecommendedConfigOverrideFlags(""))
+		fs.Parse([]string{"--namespace", before})
+
+		if overrides.Context.Namespace != after {
+			t.Fatalf("Expected %s, got %s", after, overrides.Context.Namespace)
+		}
+	}
+}