feat: show call participants in room list (Discord-style)

apps/web/test/viewmodels/message-body/DecryptionFailureBodyViewModel-test.tsx

@@ -0,0 +1,100 @@
+/*
+ * Copyright 2026 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+import { DecryptionFailureCode } from "matrix-js-sdk/src/crypto-api";
+import { DecryptionFailureReason } from "@element-hq/web-shared-components";
+
+import { DecryptionFailureBodyViewModel } from "../../../src/viewmodels/room/timeline/event-tile/body/DecryptionFailureBodyViewModel";
+
+describe("DecryptionFailureBodyViewModel", () => {
+    it("should return the snapshot", () => {
+        const vm = new DecryptionFailureBodyViewModel({
+            decryptionFailureCode: null,
+            verificationState: true,
+        });
+        expect(vm.getSnapshot()).toMatchObject({
+            decryptionFailureReason: DecryptionFailureReason.UNABLE_TO_DECRYPT,
+            isLocalDeviceVerified: true,
+        });
+    });
+
+    it.each([
+        {
+            code: DecryptionFailureCode.HISTORICAL_MESSAGE_BACKUP_UNCONFIGURED,
+            reason: DecryptionFailureReason.HISTORICAL_MESSAGE_BACKUP_UNCONFIGURED,
+        },
+        {
+            code: DecryptionFailureCode.HISTORICAL_MESSAGE_NO_KEY_BACKUP,
+            reason: DecryptionFailureReason.HISTORICAL_MESSAGE_NO_KEY_BACKUP,
+        },
+        {
+            code: DecryptionFailureCode.HISTORICAL_MESSAGE_USER_NOT_JOINED,
+            reason: DecryptionFailureReason.HISTORICAL_MESSAGE_USER_NOT_JOINED,
+        },
+        {
+            code: DecryptionFailureCode.MEGOLM_KEY_WITHHELD,
+            reason: DecryptionFailureReason.UNABLE_TO_DECRYPT,
+        },
+        {
+            code: DecryptionFailureCode.MEGOLM_KEY_WITHHELD_FOR_UNVERIFIED_DEVICE,
+            reason: DecryptionFailureReason.MEGOLM_KEY_WITHHELD_FOR_UNVERIFIED_DEVICE,
+        },
+        {
+            code: DecryptionFailureCode.MEGOLM_UNKNOWN_INBOUND_SESSION_ID,
+            reason: DecryptionFailureReason.UNABLE_TO_DECRYPT,
+        },
+        {
+            code: DecryptionFailureCode.OLM_UNKNOWN_MESSAGE_INDEX,
+            reason: DecryptionFailureReason.UNABLE_TO_DECRYPT,
+        },
+        {
+            code: DecryptionFailureCode.SENDER_IDENTITY_PREVIOUSLY_VERIFIED,
+            reason: DecryptionFailureReason.SENDER_IDENTITY_PREVIOUSLY_VERIFIED,
+        },
+        {
+            code: DecryptionFailureCode.UNKNOWN_ERROR,
+            reason: DecryptionFailureReason.UNABLE_TO_DECRYPT,
+        },
+        {
+            code: DecryptionFailureCode.UNKNOWN_SENDER_DEVICE,
+            reason: DecryptionFailureReason.UNABLE_TO_DECRYPT,
+        },
+        {
+            code: DecryptionFailureCode.UNSIGNED_SENDER_DEVICE,
+            reason: DecryptionFailureReason.UNSIGNED_SENDER_DEVICE,
+        },
+    ])("should return the snapshot with code converted to reason (%s)", ({ code, reason }) => {
+        const vm = new DecryptionFailureBodyViewModel({
+            decryptionFailureCode: code,
+        });
+
+        expect(vm.getSnapshot().decryptionFailureReason).toBe(reason);
+    });
+
+    it("should update snapshot when setProps is called with new verificationState", () => {
+        const vm = new DecryptionFailureBodyViewModel({
+            decryptionFailureCode: DecryptionFailureCode.UNKNOWN_ERROR,
+            verificationState: false,
+        });
+        expect(vm.getSnapshot().isLocalDeviceVerified).toBe(false);
+
+        vm.setVerificationState(true);
+        expect(vm.getSnapshot().isLocalDeviceVerified).toBe(true);
+    });
+
+    it("should update snapshot when decryption failure code changes", () => {
+        const vm = new DecryptionFailureBodyViewModel({
+            decryptionFailureCode: DecryptionFailureCode.UNKNOWN_ERROR,
+        });
+
+        expect(vm.getSnapshot().decryptionFailureReason).toBe(DecryptionFailureReason.UNABLE_TO_DECRYPT);
+
+        vm.setDecryptionFailureCode(DecryptionFailureCode.UNSIGNED_SENDER_DEVICE);
+
+        expect(vm.getSnapshot().decryptionFailureReason).toBe(DecryptionFailureReason.UNSIGNED_SENDER_DEVICE);
+    });
+});