(new): rich message support

(fix): runtime reliability
(tests): regression coverage
(doc): v1.1 release notes

utils_test.go

@@ -0,0 +1,21 @@
+package laniakea
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestGenerateTokenUsesRawURLAlphabet(t *testing.T) {
+	token, err := generateToken(32)
+	if err != nil {
+		t.Fatalf("generateToken returned error: %v", err)
+	}
+	if strings.Contains(token, "=") {
+		t.Fatalf("token contains forbidden padding: %q", token)
+	}
+	for _, r := range token {
+		if !strings.ContainsRune("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-", r) {
+			t.Fatalf("token contains a character forbidden by Telegram: %q", r)
+		}
+	}
+}