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package handlers
import (
"strings"
"testing"
"github.com/mimecast/dtail/internal/protocol"
)
func TestHandleProtocolVersionUsesSemanticCompatComparison(t *testing.T) {
codec := newProtocolCodec(nil)
args, argc, add, err := codec.handleProtocolVersion([]string{"protocol", "4", "tail", "payload"})
if err == nil {
t.Fatal("expected protocol mismatch error")
}
if argc != 4 {
t.Fatalf("unexpected argc: got %d want 4", argc)
}
if len(args) != 4 || args[0] != "protocol" || args[1] != "4" {
t.Fatalf("unexpected args returned: %#v", args)
}
if add != "" {
t.Fatalf("unexpected message separator: %q", add)
}
if !strings.Contains(err.Error(), "please update DTail client") {
t.Fatalf("expected client update guidance, got %q", err)
}
if !strings.Contains(err.Error(), protocol.ProtocolCompat) {
t.Fatalf("expected error to mention server protocol version, got %q", err)
}
}
|
