From 38cb1a951d7dce7675fce88a71bfb765141319ed Mon Sep 17 00:00:00 2001
From: Daniel Smith <dbsmith@google.com>
Date: Wed, 24 May 2017 15:31:34 -0700
Subject: [PATCH] Implement dynamic admission webhooks

Also fix a bug in rest client

Kubernetes-commit: d6e1140b5d3c5c9d8696b7ccda0a5f92f36033df
---
 rest/request.go      |  3 +++
 rest/request_test.go | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/rest/request.go b/rest/request.go
index b87ddaff..cfb4511b 100644
--- a/rest/request.go
+++ b/rest/request.go
@@ -1148,6 +1148,9 @@ func (r Result) Into(obj runtime.Object) error {
 	if r.decoder == nil {
 		return fmt.Errorf("serializer for %s doesn't exist", r.contentType)
 	}
+	if len(r.body) == 0 {
+		return fmt.Errorf("0-length response")
+	}
 
 	out, _, err := r.decoder.Decode(r.body, nil, obj)
 	if err != nil || out == obj {
diff --git a/rest/request_test.go b/rest/request_test.go
index 15bf851d..cedac794 100755
--- a/rest/request_test.go
+++ b/rest/request_test.go
@@ -329,6 +329,16 @@ func TestResultIntoWithErrReturnsErr(t *testing.T) {
 	}
 }
 
+func TestResultIntoWithNoBodyReturnsErr(t *testing.T) {
+	res := Result{
+		body:    []byte{},
+		decoder: scheme.Codecs.LegacyCodec(v1.SchemeGroupVersion),
+	}
+	if err := res.Into(&v1.Pod{}); err == nil || !strings.Contains(err.Error(), "0-length") {
+		t.Errorf("should have complained about 0 length body")
+	}
+}
+
 func TestURLTemplate(t *testing.T) {
 	uri, _ := url.Parse("http://localhost")
 	r := NewRequest(nil, "POST", uri, "", ContentConfig{GroupVersion: &schema.GroupVersion{Group: "test"}}, Serializers{}, nil, nil)