[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/pkg/flags/unique_strings.go b/vendor/go.etcd.io/etcd/pkg/flags/unique_strings.go
new file mode 100644
index 0000000..e220ee0
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/flags/unique_strings.go
@@ -0,0 +1,76 @@
+// Copyright 2018 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 flags
+
+import (
+ "flag"
+ "sort"
+ "strings"
+)
+
+// UniqueStringsValue wraps a list of unique strings.
+// The values are set in order.
+type UniqueStringsValue struct {
+ Values map[string]struct{}
+}
+
+// Set parses a command line set of strings, separated by comma.
+// Implements "flag.Value" interface.
+// The values are set in order.
+func (us *UniqueStringsValue) Set(s string) error {
+ us.Values = make(map[string]struct{})
+ for _, v := range strings.Split(s, ",") {
+ us.Values[v] = struct{}{}
+ }
+ return nil
+}
+
+// String implements "flag.Value" interface.
+func (us *UniqueStringsValue) String() string {
+ return strings.Join(us.stringSlice(), ",")
+}
+
+func (us *UniqueStringsValue) stringSlice() []string {
+ ss := make([]string, 0, len(us.Values))
+ for v := range us.Values {
+ ss = append(ss, v)
+ }
+ sort.Strings(ss)
+ return ss
+}
+
+// NewUniqueStringsValue implements string slice as "flag.Value" interface.
+// Given value is to be separated by comma.
+// The values are set in order.
+func NewUniqueStringsValue(s string) (us *UniqueStringsValue) {
+ us = &UniqueStringsValue{Values: make(map[string]struct{})}
+ if s == "" {
+ return us
+ }
+ if err := us.Set(s); err != nil {
+ plog.Panicf("new UniqueStringsValue should never fail: %v", err)
+ }
+ return us
+}
+
+// UniqueStringsFromFlag returns a string slice from the flag.
+func UniqueStringsFromFlag(fs *flag.FlagSet, flagName string) []string {
+ return (*fs.Lookup(flagName).Value.(*UniqueStringsValue)).stringSlice()
+}
+
+// UniqueStringsMapFromFlag returns a map of strings from the flag.
+func UniqueStringsMapFromFlag(fs *flag.FlagSet, flagName string) map[string]struct{} {
+ return (*fs.Lookup(flagName).Value.(*UniqueStringsValue)).Values
+}