lightwalletd/common/logging/logging_test.go

62 lines
1.4 KiB
Go

// Copyright (c) 2019-2020 The Zcash developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or https://www.opensource.org/licenses/mit-license.php .
package logging
import (
"context"
"fmt"
"os"
"testing"
"errors"
"github.com/sirupsen/logrus"
"github.com/zcash/lightwalletd/common"
"google.golang.org/grpc"
"google.golang.org/grpc/peer"
)
var step int
func testhandler(ctx context.Context, req interface{}) (interface{}, error) {
step++
switch step {
case 1:
return nil, errors.New("test error")
case 2:
return nil, nil
}
return nil, nil
}
func TestLogInterceptor(t *testing.T) {
output, err := os.OpenFile("test-log", os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644)
if err != nil {
os.Stderr.WriteString(fmt.Sprint("Cannot open test-log:", err))
os.Exit(1)
}
logger := logrus.New()
logger.SetOutput(output)
common.Log = logger.WithFields(logrus.Fields{
"app": "test",
})
var req interface{}
resp, err := logInterceptor(peer.NewContext(context.Background(), &peer.Peer{}),
&req, &grpc.UnaryServerInfo{}, testhandler)
if err == nil {
t.Fatal("unexpected success")
}
if resp != nil {
t.Fatal("unexpected response", resp)
}
resp, err = logInterceptor(context.Background(), &req, &grpc.UnaryServerInfo{}, testhandler)
if err != nil {
t.Fatal("unexpected error", err)
}
if resp != nil {
t.Fatal("unexpected response", resp)
}
os.Remove("test-log")
step = 0
}