[VOL-2193] Create mocks for Kafka Client and Etcd
This commit consists of:
1) A kafka client mock that implements the kafka client interface
under voltha-lib-go/pkg/kafka/client.go
2) An embedded Etcd server that runs in-process and represents an
Etcd server.
Change-Id: I52a36132568e08c596bb4136918bebcb654a3b99
diff --git a/vendor/go.etcd.io/etcd/client/json.go b/vendor/go.etcd.io/etcd/client/json.go
new file mode 100644
index 0000000..97cdbcd
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/client/json.go
@@ -0,0 +1,72 @@
+// Copyright 2019 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 client
+
+import (
+ "github.com/json-iterator/go"
+ "github.com/modern-go/reflect2"
+ "strconv"
+ "unsafe"
+)
+
+type customNumberExtension struct {
+ jsoniter.DummyExtension
+}
+
+func (cne *customNumberExtension) CreateDecoder(typ reflect2.Type) jsoniter.ValDecoder {
+ if typ.String() == "interface {}" {
+ return customNumberDecoder{}
+ }
+ return nil
+}
+
+type customNumberDecoder struct {
+}
+
+func (customNumberDecoder) Decode(ptr unsafe.Pointer, iter *jsoniter.Iterator) {
+ switch iter.WhatIsNext() {
+ case jsoniter.NumberValue:
+ var number jsoniter.Number
+ iter.ReadVal(&number)
+ i64, err := strconv.ParseInt(string(number), 10, 64)
+ if err == nil {
+ *(*interface{})(ptr) = i64
+ return
+ }
+ f64, err := strconv.ParseFloat(string(number), 64)
+ if err == nil {
+ *(*interface{})(ptr) = f64
+ return
+ }
+ iter.ReportError("DecodeNumber", err.Error())
+ default:
+ *(*interface{})(ptr) = iter.Read()
+ }
+}
+
+// caseSensitiveJsonIterator returns a jsoniterator API that's configured to be
+// case-sensitive when unmarshalling, and otherwise compatible with
+// the encoding/json standard library.
+func caseSensitiveJsonIterator() jsoniter.API {
+ config := jsoniter.Config{
+ EscapeHTML: true,
+ SortMapKeys: true,
+ ValidateJsonRawMessage: true,
+ CaseSensitive: true,
+ }.Froze()
+ // Force jsoniter to decode number to interface{} via int64/float64, if possible.
+ config.RegisterExtension(&customNumberExtension{})
+ return config
+}