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// Copyright 2017 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 main
import (
"log"
"os"
"os/signal"
"strings"
"syscall"
"testing"
"go.etcd.io/etcd/server/v3/etcdmain"
)
func SplitTestArgs(args []string) (testArgs, appArgs []string) {
for i, arg := range os.Args {
switch {
case strings.HasPrefix(arg, "-test."):
testArgs = append(testArgs, arg)
case i == 0:
appArgs = append(appArgs, arg)
testArgs = append(testArgs, arg)
default:
appArgs = append(appArgs, arg)
}
}
return
}
func TestEmpty(t *testing.T) {}
/**
* The purpose of this "test" is to run etcd server with code-coverage
* collection turned on. The technique is documented here:
*
* https://www.cyphar.com/blog/post/20170412-golang-integration-coverage
*/
func TestMain(m *testing.M) {
// don't launch etcd server when invoked via go test
if strings.HasSuffix(os.Args[0], ".test") {
log.Printf("skip launching etcd server when invoked via go test")
return
}
testArgs, appArgs := SplitTestArgs(os.Args)
notifier := make(chan os.Signal, 1)
signal.Notify(notifier, syscall.SIGINT, syscall.SIGTERM)
go etcdmain.Main(appArgs)
<-notifier
// This will generate coverage files:
os.Args = testArgs
m.Run()
}
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