[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/readcloser.go b/vendor/go.etcd.io/etcd/pkg/ioutil/readcloser.go
new file mode 100644
index 0000000..d3efcfe
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/ioutil/readcloser.go
@@ -0,0 +1,66 @@
+// 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
+
+import (
+ "fmt"
+ "io"
+)
+
+// ReaderAndCloser implements io.ReadCloser interface by combining
+// reader and closer together.
+type ReaderAndCloser struct {
+ io.Reader
+ io.Closer
+}
+
+var (
+ ErrShortRead = fmt.Errorf("ioutil: short read")
+ ErrExpectEOF = fmt.Errorf("ioutil: expect EOF")
+)
+
+// NewExactReadCloser returns a ReadCloser that returns errors if the underlying
+// reader does not read back exactly the requested number of bytes.
+func NewExactReadCloser(rc io.ReadCloser, totalBytes int64) io.ReadCloser {
+ return &exactReadCloser{rc: rc, totalBytes: totalBytes}
+}
+
+type exactReadCloser struct {
+ rc io.ReadCloser
+ br int64
+ totalBytes int64
+}
+
+func (e *exactReadCloser) Read(p []byte) (int, error) {
+ n, err := e.rc.Read(p)
+ e.br += int64(n)
+ if e.br > e.totalBytes {
+ return 0, ErrExpectEOF
+ }
+ if e.br < e.totalBytes && n == 0 {
+ return 0, ErrShortRead
+ }
+ return n, err
+}
+
+func (e *exactReadCloser) Close() error {
+ if err := e.rc.Close(); err != nil {
+ return err
+ }
+ if e.br < e.totalBytes {
+ return ErrShortRead
+ }
+ return nil
+}