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

apps/web/test/viewmodels/message-body/EditHistoryActionBarViewModel-test.ts

@@ -0,0 +1,82 @@
+/*
+ * 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 { ActionBarAction } from "@element-hq/web-shared-components";
+
+import { EditHistoryActionBarViewModel } from "../../../src/viewmodels/message-body/EditHistoryActionBarViewModel";
+
+describe("EditHistoryActionBarViewModel", () => {
+    it("builds a label snapshot with remove and view source actions", () => {
+        const vm = new EditHistoryActionBarViewModel({
+            canRemove: true,
+            showViewSource: true,
+        });
+
+        expect(vm.getSnapshot()).toMatchObject({
+            actions: [ActionBarAction.Remove, ActionBarAction.ViewSource],
+            presentation: "label",
+            isDownloadEncrypted: false,
+            isDownloadLoading: false,
+            isPinned: false,
+            isQuoteExpanded: false,
+            isThreadReplyAllowed: true,
+        });
+    });
+
+    it("omits actions that are disabled by props", () => {
+        const vm = new EditHistoryActionBarViewModel({
+            canRemove: false,
+            showViewSource: false,
+        });
+
+        expect(vm.getSnapshot().actions).toEqual([]);
+    });
+
+    it("updates the snapshot when props change", () => {
+        const vm = new EditHistoryActionBarViewModel({
+            canRemove: false,
+            showViewSource: true,
+        });
+
+        expect(vm.getSnapshot().actions).toEqual([ActionBarAction.ViewSource]);
+
+        vm.setProps({
+            canRemove: true,
+            showViewSource: false,
+        });
+
+        expect(vm.getSnapshot().actions).toEqual([ActionBarAction.Remove]);
+    });
+
+    it("forwards remove clicks to props", () => {
+        const onRemoveClick = jest.fn();
+        const vm = new EditHistoryActionBarViewModel({
+            canRemove: true,
+            showViewSource: false,
+            onRemoveClick,
+        });
+        const anchor = document.createElement("button");
+
+        vm.onRemoveClick(anchor);
+
+        expect(onRemoveClick).toHaveBeenCalledWith(anchor);
+    });
+
+    it("forwards view source clicks to props", () => {
+        const onViewSourceClick = jest.fn();
+        const vm = new EditHistoryActionBarViewModel({
+            canRemove: false,
+            showViewSource: true,
+            onViewSourceClick,
+        });
+        const anchor = document.createElement("button");
+
+        vm.onViewSourceClick(anchor);
+
+        expect(onViewSourceClick).toHaveBeenCalledWith(anchor);
+    });
+});