Open message in editing mode when keyboard up is pressed (RTE) (#10079)

Move to previous message when arrow up is pressed in the main composer (RTE)

test/components/views/rooms/wysiwyg_composer/utils.ts

@@ -0,0 +1,49 @@
+/*
+Copyright 2023 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 { EventTimeline, MatrixEvent } from "matrix-js-sdk/src/matrix";
+
+import { createTestClient, getRoomContext, mkEvent, mkStubRoom } from "../../../../test-utils";
+import { IRoomState } from "../../../../../src/components/structures/RoomView";
+import EditorStateTransfer from "../../../../../src/utils/EditorStateTransfer";
+
+export function createMocks(eventContent = "Replying <strong>to</strong> this new content") {
+    const mockClient = createTestClient();
+    const mockEvent = mkEvent({
+        type: "m.room.message",
+        room: "myfakeroom",
+        user: "myfakeuser",
+        content: {
+            msgtype: "m.text",
+            body: "Replying to this",
+            format: "org.matrix.custom.html",
+            formatted_body: eventContent,
+        },
+        event: true,
+    });
+    const mockRoom = mkStubRoom("myfakeroom", "myfakeroom", mockClient) as any;
+    mockRoom.findEventById = jest.fn((eventId) => {
+        return eventId === mockEvent.getId() ? mockEvent : null;
+    });
+
+    const defaultRoomContext: IRoomState = getRoomContext(mockRoom, {
+        liveTimeline: { getEvents: (): MatrixEvent[] => [] } as unknown as EventTimeline,
+    });
+
+    const editorStateTransfer = new EditorStateTransfer(mockEvent);
+
+    return { defaultRoomContext, editorStateTransfer, mockClient, mockEvent };
+}