Prepare for repo merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

test/unit-tests/PreferredRoomVersions-test.ts

@@ -0,0 +1,46 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { doesRoomVersionSupport, PreferredRoomVersions } from "../src/utils/PreferredRoomVersions";
+
+describe("doesRoomVersionSupport", () => {
+    it("should detect unstable as unsupported", () => {
+        expect(doesRoomVersionSupport("org.example.unstable", "1")).toBe(false);
+        expect(doesRoomVersionSupport("1.2-beta", "1")).toBe(false);
+    });
+
+    it("should detect support properly", () => {
+        expect(doesRoomVersionSupport("1", "2")).toBe(false); // older
+        expect(doesRoomVersionSupport("2", "2")).toBe(true); // exact
+        expect(doesRoomVersionSupport("3", "2")).toBe(true); // newer
+    });
+
+    it("should handle decimal versions", () => {
+        expect(doesRoomVersionSupport("1.1", "2.2")).toBe(false); // older
+        expect(doesRoomVersionSupport("2.1", "2.2")).toBe(false); // exact-ish
+        expect(doesRoomVersionSupport("2.2", "2.2")).toBe(true); // exact
+        expect(doesRoomVersionSupport("2.3", "2.2")).toBe(true); // exact-ish
+        expect(doesRoomVersionSupport("3.1", "2.2")).toBe(true); // newer
+    });
+
+    it("should detect knock rooms in v7 and above", () => {
+        expect(doesRoomVersionSupport("6", PreferredRoomVersions.KnockRooms)).toBe(false);
+        expect(doesRoomVersionSupport("7", PreferredRoomVersions.KnockRooms)).toBe(true);
+        expect(doesRoomVersionSupport("8", PreferredRoomVersions.KnockRooms)).toBe(true);
+        expect(doesRoomVersionSupport("9", PreferredRoomVersions.KnockRooms)).toBe(true);
+        expect(doesRoomVersionSupport("10", PreferredRoomVersions.KnockRooms)).toBe(true);
+    });
+
+    it("should detect restricted rooms in v9 and v10", () => {
+        // Dev note: we consider it a feature that v8 rooms have to upgrade considering the bug in v8.
+        // https://spec.matrix.org/v1.3/rooms/v8/#redactions
+        expect(doesRoomVersionSupport("8", PreferredRoomVersions.RestrictedRooms)).toBe(false);
+        expect(doesRoomVersionSupport("9", PreferredRoomVersions.RestrictedRooms)).toBe(true);
+        expect(doesRoomVersionSupport("10", PreferredRoomVersions.RestrictedRooms)).toBe(true);
+    });
+});