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test_grpc_wrapper.go
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/
test_grpc_wrapper.go
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package synclet
import (
"context"
"io/ioutil"
"log"
"net"
"os"
"path/filepath"
"time"
"google.golang.org/grpc"
"github.com/windmilleng/tilt/internal/synclet/proto"
)
func FakeGRPCWrapper(ctx context.Context, c *TestSyncletClient) (SyncletClient, error) {
socketDir, err := ioutil.TempDir("", "grpc")
if err != nil {
return nil, err
}
socket := filepath.Join(socketDir, "socket")
l, err := net.Listen("unix", socket)
if err != nil {
return nil, err
}
dial, err := grpc.Dial(socket, grpc.WithInsecure(), grpc.WithDialer(unixDial))
if err != nil {
return nil, err
}
client := NewGRPCClient(dial)
server := NewGRPCServer(c)
grpcServer := grpc.NewServer()
proto.RegisterSyncletServer(grpcServer, server)
go func() {
err := grpcServer.Serve(l)
if err != nil && err != context.Canceled {
log.Printf("FakeGRPCWrapper: %v", err)
}
}()
go func() {
<-ctx.Done()
grpcServer.GracefulStop()
_ = l.Close()
_ = os.Remove(socket)
}()
return client, nil
}
func unixDial(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", addr, timeout)
}