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jsonrpc2/conn_opt_test.go
Sam Herrmann c9c77b6bb9
Add ability to set custom logger (#48)
Before this commit, a custom logger could be set with the LogMessages
function. However, by using LogMessages not only is a custom logger set
but also all received and sent messages are logged. Use cases exist
where a custom logger is desired to log errors but not all messages.
2021-11-19 10:30:03 +02:00

53 lines
1 KiB
Go

package jsonrpc2_test
import (
"bufio"
"context"
"io"
"log"
"net"
"testing"
"github.com/sourcegraph/jsonrpc2"
)
func TestSetLogger(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
rd, wr := io.Pipe()
defer rd.Close()
defer wr.Close()
buf := bufio.NewReader(rd)
logger := log.New(wr, "", log.Lmsgprefix)
a, b := net.Pipe()
connA := jsonrpc2.NewConn(
ctx,
jsonrpc2.NewBufferedStream(a, jsonrpc2.VSCodeObjectCodec{}),
noopHandler{},
jsonrpc2.SetLogger(logger),
)
connB := jsonrpc2.NewConn(
ctx,
jsonrpc2.NewBufferedStream(b, jsonrpc2.VSCodeObjectCodec{}),
noopHandler{},
)
defer connA.Close()
defer connB.Close()
// Write a response with no corresponding request.
if err := connB.Reply(ctx, jsonrpc2.ID{Num: 0}, nil); err != nil {
t.Fatal(err)
}
want := "jsonrpc2: ignoring response #0 with no corresponding request\n"
got, err := buf.ReadString('\n')
if err != nil {
t.Fatal(err)
}
if got != want {
t.Fatalf("got %q, want %q", got, want)
}
}