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client_test.go
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client_test.go
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package tsrpc
import (
"context"
"net"
"strings"
"testing"
"time"
)
// TestClient_dialTimeout tests the dialTimeout function.
func TestClient_dialTimeout(t *testing.T) {
t.Parallel()
l, _ := net.Listen("tcp", ":0")
// Dummy function for dialing with timeout.
f := func(conn net.Conn, opt *Option) (client *Client, err error) {
_ = conn.Close()
time.Sleep(time.Second * 2)
return nil, nil
}
// Test case for dialing with a connect timeout.
t.Run("timeout", func(t *testing.T) {
_, err := dialTimeout(f, "tcp", l.Addr().String(), &Option{ConnectTimeout: time.Second})
_assert(err != nil && strings.Contains(err.Error(), "connect timeout"), "expect a timeout error")
})
// Test case for dialing without a connect timeout.
t.Run("no timeout", func(t *testing.T) {
_, err := dialTimeout(f, "tcp", l.Addr().String(), &Option{ConnectTimeout: 0})
_assert(err == nil, "should never timeout")
})
}
// Bar is a dummy type used for testing.
type Bar int
// Timeout is a dummy method of Bar.
func (b Bar) Timeout(argv int, reply *int) error {
time.Sleep(time.Second * 2)
return nil
}
// startServer starts a dummy server for testing.
func startServer(addr chan string) {
var b Bar
_ = Register(&b)
l, _ := net.Listen("tcp", ":0")
addr <- l.Addr().String()
Accept(l)
}
// TestClient_Call tests the Call method of the Client.
func TestClient_Call(t *testing.T) {
t.Parallel()
addrCh := make(chan string)
go startServer(addrCh)
addr := <-addrCh
time.Sleep(time.Second)
// Test case for client timeout.
t.Run("client timeout", func(t *testing.T) {
client, _ := Dial("tcp", addr)
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
var reply int
err := client.Call(ctx, "Bar.Timeout", 1, &reply)
_assert(err != nil && strings.Contains(err.Error(), ctx.Err().Error()), "expect a timeout error")
})
// Test case for server handle timeout.
t.Run("server handle timeout", func(t *testing.T) {
client, _ := Dial("tcp", addr, &Option{
HandleTimeout: time.Second,
})
var reply int
err := client.Call(context.Background(), "Bar.Timeout", 1, &reply)
_assert(err != nil && strings.Contains(err.Error(), "timeout"), "expect a timeout error")
})
}