bot_test.go RawHistoryFolder

1package telegram
2
3import (
4	"strings"
5	"testing"
6	"unicode/utf8"
7)
8
9func TestChunkMessageUsesRuneLimit(t *testing.T) {
10	s := strings.Repeat("界", 4001)
11	chunks := chunkMessage(s, 4000)
12	if len(chunks) != 2 {
13		t.Fatalf("len(chunks) = %d, want 2", len(chunks))
14	}
15	if got := utf8.RuneCountInString(chunks[0]); got != 4000 {
16		t.Fatalf("first chunk runes = %d, want 4000", got)
17	}
18	if got := utf8.RuneCountInString(chunks[1]); got != 1 {
19		t.Fatalf("second chunk runes = %d, want 1", got)
20	}
21}
22
23func TestChunkMessageDoesNotSplitMultiByteRune(t *testing.T) {
24	chunks := chunkMessage("🙂🙂🙂", 2)
25	if len(chunks) != 2 {
26		t.Fatalf("len(chunks) = %d, want 2", len(chunks))
27	}
28	if chunks[0] != "🙂🙂" || chunks[1] != "🙂" {
29		t.Fatalf("chunks = %#v", chunks)
30	}
31}