From bf5ccb80c7d07c492986651af418579ebf376764 Mon Sep 17 00:00:00 2001
From: Florian Duros <florian.duros@ormaz.fr>
Date: Mon, 16 Sep 2024 10:31:34 +0200
Subject: [PATCH] Add tests for `keyFromAuthData`

---
 .../unit/common-crypto/key-passphrase.spec.ts | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 spec/unit/common-crypto/key-passphrase.spec.ts

diff --git a/spec/unit/common-crypto/key-passphrase.spec.ts b/spec/unit/common-crypto/key-passphrase.spec.ts
new file mode 100644
index 0000000000..933b5f1834
--- /dev/null
+++ b/spec/unit/common-crypto/key-passphrase.spec.ts
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { keyFromAuthData } from "../../../src/common-crypto/key-passphrase.ts";
+
+describe("key-passphrase", () => {
+    describe("keyFromAuthData", () => {
+        it("should throw an error if salt or iterations are missing", async () => {
+            // missing salt
+            expect(() => keyFromAuthData({ private_key_iterations: 5 }, "passphrase")).toThrow(
+                "Salt and/or iterations not found: this backup cannot be restored with a passphrase",
+            );
+
+            // missing iterations
+            expect(() => keyFromAuthData({ private_key_salt: "salt" }, "passphrase")).toThrow(
+                "Salt and/or iterations not found: this backup cannot be restored with a passphrase",
+            );
+        });
+
+        it("should derive key from auth data", async () => {
+            const key = await keyFromAuthData({ private_key_salt: "salt", private_key_iterations: 5 }, "passphrase");
+            expect(key).toBeDefined();
+        });
+    });
+});