taler-typescript-core

commit 67d4d19931a9db81cc015829d77aec6d27fc3940
parent c3d09f9f95db54ae3fa460909e043e949b0578f1
Author: Florian Dold <dold@taler.net>
Date:   Wed, 22 Jul 2026 10:49:33 +0200

wallet: test the validity interval check for tokens

Covers a contained interval, an exact match and an interval that reaches
outside the validity window on either side.

Diffstat:
M
packages/taler-wallet-core/src/tokenSelection.test.ts
 | 
32
+++++++++++++++++++++++++++++++-

1 file changed, 31 insertions(+), 1 deletion(-)
diff --git a/packages/taler-wallet-core/src/tokenSelection.test.ts b/packages/taler-wallet-core/src/tokenSelection.test.ts
@@ -13,10 +13,15 @@
  You should have received a copy of the GNU General Public License along with
  GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
  */
-import { MerchantContractTokenKind } from "@gnu-taler/taler-util";
+import {
+  MerchantContractTokenKind,
+  TalerProtocolTimestamp,
+} from "@gnu-taler/taler-util";
 import { test } from "node:test";
 import assert from "node:assert";
+import { WalletToken } from "./db-common.js";
 import {
+  isTokenValidBetween,
   TokenMerchantVerificationResult,
   verifyTokenMerchant,
 } from "./tokenSelection.js";
@@ -169,3 +174,28 @@ test("domains may contain hyphens", (t) => {
     TokenMerchantVerificationResult.Unexpected,
   );
 });
+
+function tokenValidFromTo(fromSec: number, toSec: number): WalletToken {
+  return {
+    tokenIssuePub: {
+      signature_validity_start: TalerProtocolTimestamp.fromSeconds(fromSec),
+      signature_validity_end: TalerProtocolTimestamp.fromSeconds(toSec),
+    },
+  } as WalletToken;
+}
+
+test("a token is valid between two points only if it covers both", (t) => {
+  const tok = tokenValidFromTo(1000, 2000);
+  const at = (s: number) => TalerProtocolTimestamp.fromSeconds(s);
+
+  // The requested interval is contained in the validity window.
+  assert.strictEqual(isTokenValidBetween(tok, at(1200), at(1800)), true);
+  // The validity window is matched exactly.
+  assert.strictEqual(isTokenValidBetween(tok, at(1000), at(2000)), true);
+  // Starts before the token is valid.
+  assert.strictEqual(isTokenValidBetween(tok, at(900), at(1800)), false);
+  // Ends after the token has expired.
+  assert.strictEqual(isTokenValidBetween(tok, at(1200), at(2100)), false);
+  // The validity window is strictly inside the requested interval.
+  assert.strictEqual(isTokenValidBetween(tok, at(900), at(2100)), false);
+});