add more test

src/utils/errors.test.ts

@@ -0,0 +1,62 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { describe, expect, test } from "vitest";
+
+import {
+  ErrorCategory,
+  ErrorCode,
+  FailToStartLivekitConnection,
+  MembershipManagerError,
+  NoMatrix2AuthorizationService,
+  SFURoomCreationRestrictedError,
+} from "./errors";
+
+// These errors take their wording from Element Call's own i18next instance
+// rather than the global one, so each needs to come out translated rather than
+// as a raw key.
+describe("localised errors", () => {
+  test("MembershipManagerError describes the failure and keeps its cause", () => {
+    const cause = new Error("the underlying problem");
+    const error = new MembershipManagerError(cause);
+
+    expect(error.code).toBe(ErrorCode.INTERNAL_MEMBERSHIP_MANAGER);
+    expect(error.category).toBe(ErrorCategory.SYSTEM_FAILURE);
+    expect(error.localisedTitle).not.toContain("error.");
+    expect(error.localisedMessage).not.toContain("error.");
+    expect(error.cause).toBe(cause);
+  });
+
+  test("NoMatrix2AuthorizationService is a configuration problem", () => {
+    const cause = new Error("404");
+    const error = new NoMatrix2AuthorizationService(cause);
+
+    expect(error.code).toBe(ErrorCode.NO_MATRIX_2_AUTHORIZATION_SERVICE);
+    expect(error.category).toBe(ErrorCategory.CONFIGURATION_ISSUE);
+    expect(error.localisedTitle).not.toContain("error.");
+    expect(error.localisedMessage).not.toContain("error.");
+    expect(error.cause).toBe(cause);
+  });
+
+  test("FailToStartLivekitConnection passes its detail through", () => {
+    const error = new FailToStartLivekitConnection("could not publish");
+
+    expect(error.code).toBe(ErrorCode.FAILED_TO_START_LIVEKIT);
+    expect(error.category).toBe(ErrorCategory.NETWORK_CONNECTIVITY);
+    expect(error.localisedTitle).not.toContain("error.");
+    expect(error.localisedMessage).toBe("could not publish");
+  });
+
+  test("SFURoomCreationRestrictedError explains the restriction", () => {
+    const error = new SFURoomCreationRestrictedError();
+
+    expect(error.code).toBe(ErrorCode.SFU_ERROR);
+    expect(error.category).toBe(ErrorCategory.CONFIGURATION_ISSUE);
+    expect(error.localisedTitle).not.toContain("error.");
+    expect(error.localisedMessage).not.toContain("error.");
+  });
+});