package user

import (
	"strings"
	"testing"
)

func TestNormalizeFeedbackMessage(t *testing.T) {
	if got, reason := normalizeFeedbackMessage("  耳机连不上  "); reason != "" || got != "耳机连不上" {
		t.Fatalf("trim: got %q reason %q", got, reason)
	}
	if _, reason := normalizeFeedbackMessage("   "); reason == "" {
		t.Fatal("blank should be rejected")
	}
	long := strings.Repeat("字", feedbackMessageMax+1)
	if _, reason := normalizeFeedbackMessage(long); reason == "" {
		t.Fatal("overlong should be rejected")
	}
	edge := strings.Repeat("a", feedbackMessageMax)
	if got, reason := normalizeFeedbackMessage(edge); reason != "" || got != edge {
		t.Fatalf("max length should pass, reason %q len %d", reason, len(got))
	}
}