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package jsonrpc2_test
import (
"context"
"fmt"
"testing"
"github.com/sourcegraph/jsonrpc2"
)
func TestPickID(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
a, b := inMemoryPeerConns()
defer a.Close()
defer b.Close()
handler := handlerFunc(func(ctx context.Context, conn *jsonrpc2.Conn, req *jsonrpc2.Request) {
if err := conn.Reply(ctx, req.ID, fmt.Sprintf("hello, #%s: %s", req.ID, *req.Params)); err != nil {
t.Error(err)
}
})
connA := jsonrpc2.NewConn(ctx, jsonrpc2.NewBufferedStream(a, jsonrpc2.VSCodeObjectCodec{}), handler)
connB := jsonrpc2.NewConn(ctx, jsonrpc2.NewBufferedStream(b, jsonrpc2.VSCodeObjectCodec{}), noopHandler{})
defer connA.Close()
defer connB.Close()
const n = 100
for i := 0; i < n; i++ {
var opts []jsonrpc2.CallOption
id := jsonrpc2.ID{Num: uint64(i)}
// This is the actual test, every 3rd request we specify the
// ID and ensure we get a response with the correct ID echoed
// back
if i%3 == 0 {
id = jsonrpc2.ID{
Str: fmt.Sprintf("helloworld-%d", i/3),
IsString: true,
}
opts = append(opts, jsonrpc2.PickID(id))
}
var got string
if err := connB.Call(ctx, "f", []int32{1, 2, 3}, &got, opts...); err != nil {
t.Fatal(err)
}
if want := fmt.Sprintf("hello, #%s: [1,2,3]", id); got != want {
t.Errorf("got result %q, want %q", got, want)
}
}
}
func TestStringID(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
a, b := inMemoryPeerConns()
defer a.Close()
defer b.Close()
handler := handlerFunc(func(ctx context.Context, conn *jsonrpc2.Conn, req *jsonrpc2.Request) {
replyWithError := func(msg string) {
respErr := &jsonrpc2.Error{Code: jsonrpc2.CodeInvalidRequest, Message: msg}
if err := conn.ReplyWithError(ctx, req.ID, respErr); err != nil {
t.Error(err)
}
}
if !req.ID.IsString {
replyWithError("ID.IsString should be true")
return
}
if len(req.ID.Str) == 0 {
replyWithError("ID.Str should be populated but is empty")
return
}
if err := conn.Reply(ctx, req.ID, "ok"); err != nil {
t.Error(err)
}
})
connA := jsonrpc2.NewConn(ctx, jsonrpc2.NewBufferedStream(a, jsonrpc2.VSCodeObjectCodec{}), handler)
connB := jsonrpc2.NewConn(ctx, jsonrpc2.NewBufferedStream(b, jsonrpc2.VSCodeObjectCodec{}), noopHandler{})
defer connA.Close()
defer connB.Close()
var res string
if err := connB.Call(ctx, "f", nil, &res, jsonrpc2.StringID()); err != nil {
t.Fatal(err)
}
}
func TestExtraField(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
a, b := inMemoryPeerConns()
defer a.Close()
defer b.Close()
handler := handlerFunc(func(ctx context.Context, conn *jsonrpc2.Conn, req *jsonrpc2.Request) {
replyWithError := func(msg string) {
respErr := &jsonrpc2.Error{Code: jsonrpc2.CodeInvalidRequest, Message: msg}
if err := conn.ReplyWithError(ctx, req.ID, respErr); err != nil {
t.Error(err)
}
}
var sessionID string
for _, field := range req.ExtraFields {
if field.Name != "sessionId" {
continue
}
var ok bool
sessionID, ok = field.Value.(string)
if !ok {
t.Errorf("\"sessionId\" is not a string: %v", field.Value)
}
}
if sessionID == "" {
replyWithError("sessionId must be set")
return
}
if sessionID != "session" {
replyWithError("sessionId has the wrong value")
return
}
if err := conn.Reply(ctx, req.ID, "ok"); err != nil {
t.Error(err)
}
})
connA := jsonrpc2.NewConn(ctx, jsonrpc2.NewBufferedStream(a, jsonrpc2.VSCodeObjectCodec{}), handler)
connB := jsonrpc2.NewConn(ctx, jsonrpc2.NewBufferedStream(b, jsonrpc2.VSCodeObjectCodec{}), noopHandler{})
defer connA.Close()
defer connB.Close()
var res string
if err := connB.Call(ctx, "f", nil, &res, jsonrpc2.ExtraField("sessionId", "session")); err != nil {
t.Fatal(err)
}
}
|
