package hotsearchmod

import "testing"

func TestNormalizeKeyword(t *testing.T) {
	tests := []struct {
		name string
		raw  string
		want string
	}{
		{name: "空串", raw: "   ", want: ""},
		{name: "压缩空白", raw: "  霸道  总裁\t ", want: "霸道 总裁"},
		{name: "截断长度", raw: stringsRepeat("测", 60), want: stringsRepeat("测", MaxKeywordRunes)},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := NormalizeKeyword(tt.raw); got != tt.want {
				t.Fatalf("NormalizeKeyword() = %q, want %q", got, tt.want)
			}
		})
	}
}

func stringsRepeat(s string, n int) string {
	out := make([]rune, 0, n)
	r := []rune(s)[0]
	for i := 0; i < n; i++ {
		out = append(out, r)
	}
	return string(out)
}