72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
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package utils
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import (
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"errors"
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"strings"
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"testing"
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)
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func TestSanitizeMessageText_TrimsWhitespace(t *testing.T) {
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got, err := SanitizeMessageText(" سلام دوست من ")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if got != "سلام دوست من" {
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t.Fatalf("expected trimmed text, got %q", got)
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}
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}
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func TestSanitizeMessageText_EmptyAfterTrim(t *testing.T) {
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_, err := SanitizeMessageText(" ")
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if !errors.Is(err, ErrMessageEmpty) {
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t.Fatalf("expected ErrMessageEmpty, got %v", err)
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}
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}
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func TestSanitizeMessageText_StripsControlChars(t *testing.T) {
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got, err := SanitizeMessageText("سلام\x00\x07دنیا")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if got != "سلامدنیا" {
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t.Fatalf("expected control chars stripped, got %q", got)
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}
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}
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func TestSanitizeMessageText_KeepsNewlinesAndTabs(t *testing.T) {
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got, err := SanitizeMessageText("خط اول\nخط دوم\tبا تب")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if got != "خط اول\nخط دوم\tبا تب" {
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t.Fatalf("expected newline/tab preserved, got %q", got)
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}
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}
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func TestSanitizeMessageText_InvalidUTF8(t *testing.T) {
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invalid := string([]byte{0xff, 0xfe, 0xfd})
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_, err := SanitizeMessageText(invalid)
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if !errors.Is(err, ErrInvalidMessageEncoding) {
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t.Fatalf("expected ErrInvalidMessageEncoding, got %v", err)
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}
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}
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func TestSanitizeMessageText_TooLong(t *testing.T) {
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long := strings.Repeat("a", MaxMessageLength+1)
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_, err := SanitizeMessageText(long)
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if !errors.Is(err, ErrMessageTooLong) {
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t.Fatalf("expected ErrMessageTooLong, got %v", err)
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}
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}
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func TestSanitizeMessageText_ExactlyMaxLength(t *testing.T) {
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exact := strings.Repeat("a", MaxMessageLength)
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got, err := SanitizeMessageText(exact)
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if err != nil {
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t.Fatalf("unexpected error at exact max length: %v", err)
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}
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if len(got) != MaxMessageLength {
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t.Fatalf("expected length %d, got %d", MaxMessageLength, len(got))
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}
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}
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