[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/go.etcd.io/etcd/pkg/ioutil/reader.go b/vendor/go.etcd.io/etcd/pkg/ioutil/reader.go
new file mode 100644
index 0000000..0703ed4
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/ioutil/reader.go
@@ -0,0 +1,40 @@
+// Copyright 2015 The etcd 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 ioutil implements I/O utility functions.
+package ioutil
+
+import "io"
+
+// NewLimitedBufferReader returns a reader that reads from the given reader
+// but limits the amount of data returned to at most n bytes.
+func NewLimitedBufferReader(r io.Reader, n int) io.Reader {
+ return &limitedBufferReader{
+ r: r,
+ n: n,
+ }
+}
+
+type limitedBufferReader struct {
+ r io.Reader
+ n int
+}
+
+func (r *limitedBufferReader) Read(p []byte) (n int, err error) {
+ np := p
+ if len(np) > r.n {
+ np = np[:r.n]
+ }
+ return r.r.Read(np)
+}