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package mt4
import (
"context"
"net"
"strings"
"testing"
"time"
ic "go.popov.link/metatrader4/internal/conn"
"go.popov.link/metatrader4/internal/proto"
)
// mockServer returns net.Pipe connections with server writing resp to client.
func mockServer(response string) (net.Conn, net.Conn) {
server, client := net.Pipe()
go func() {
defer func() { _ = server.Close() }()
buf := make([]byte, 1024)
_, _ = server.Read(buf) // read request ignoring
_, _ = server.Write([]byte(response))
}()
return client, server
}
func TestClientExecute(t *testing.T) {
reqParams := map[string]string{"A": "1"}
encoded, err := proto.EncodeParams(reqParams)
if err != nil {
t.Fatalf("encode params: %v", err)
}
resp := encoded
clientConn, _ := mockServer(resp)
c := &Client{addr: "", port: 0, autoClose: true, readTimeout: time.Second, writeTimeout: time.Second, dialTimeout: time.Second}
c.c = ic.FromNetConn(clientConn)
res, err := c.Execute(context.Background(), "CMD", reqParams)
if err != nil {
t.Fatalf("execute: %v", err)
}
if !strings.Contains(res, "1") {
t.Fatalf("unexpected response %q", res)
}
}
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