From c43ccc703a7cf02b408af95d29a7a95ffefc62f1 Mon Sep 17 00:00:00 2001
From: Stefan Junker <mail@stefanjunker.de>
Date: Tue, 24 May 2016 22:21:57 +0200
Subject: [PATCH] pkg/ns: test case for rejecting a non-ns nspath

---
 pkg/ns/ns_test.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkg/ns/ns_test.go b/pkg/ns/ns_test.go
index de0f3853..d89e6936 100644
--- a/pkg/ns/ns_test.go
+++ b/pkg/ns/ns_test.go
@@ -17,6 +17,7 @@ package ns_test
 import (
 	"errors"
 	"fmt"
+	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -169,6 +170,18 @@ var _ = Describe("Linux namespace operations", func() {
 					Expect(netnsInode).NotTo(Equal(createdNetNSInode))
 				}
 			})
+
+			It("fails when the path is not a namespace", func() {
+				tempFile, err := ioutil.TempFile("", "nstest")
+				Expect(err).NotTo(HaveOccurred())
+				defer tempFile.Close()
+
+				nspath := tempFile.Name()
+				defer os.Remove(nspath)
+
+				_, err = ns.GetNS(nspath)
+				Expect(err).To(MatchError(fmt.Sprintf("%v is not of type NSFS", nspath)))
+			})
 		})
 
 		Describe("closing a network namespace", func() {