Add test for ReactionsRowButton

Signed-off-by: Sumner Evans <sumner@beeper.com>

Author: sumnerevans

src/components/views/messages/ReactionsRowButton.tsx

@@ -27,7 +27,7 @@ import ReactionsRowButtonTooltip from "./ReactionsRowButtonTooltip";
 import AccessibleButton from "../elements/AccessibleButton";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import { REACTION_SHORTCODE_KEY } from "./ReactionsRow";
-interface IProps {
+export interface IProps {
     // The event we're displaying reactions for
     mxEvent: MatrixEvent;
     // The reaction content / key / emoji

test/components/views/messages/ReactionsRowButton-test.tsx

@@ -0,0 +1,118 @@
+/*
+Copyright 2023 Beeper
+
+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 React from "react";
+import { IContent, MatrixEvent, Room } from "matrix-js-sdk/src/matrix";
+import { render } from "@testing-library/react";
+
+import MatrixClientContext from "../../../../src/contexts/MatrixClientContext";
+import { getMockClientWithEventEmitter } from "../../../test-utils";
+import ReactionsRowButton, { IProps } from "../../../../src/components/views/messages/ReactionsRowButton";
+
+describe("ReactionsRowButton", () => {
+    const userId = "@alice:server";
+    const roomId = "!randomcharacters:aser.ver";
+    const mockClient = getMockClientWithEventEmitter({
+        mxcUrlToHttp: jest.fn().mockReturnValue("https://not.a.real.url"),
+        getRoom: jest.fn(),
+    });
+    const room = new Room(roomId, mockClient, userId);
+
+    const createProps = (relationContent: IContent): IProps => ({
+        mxEvent: new MatrixEvent({
+            room_id: roomId,
+            event_id: "$test:example.com",
+            content: { body: "test" },
+        }),
+        content: relationContent["m.relates_to"]?.key || "",
+        count: 2,
+        reactionEvents: [
+            new MatrixEvent({
+                type: "m.reaction",
+                sender: "@user1:example.com",
+                content: relationContent,
+            }),
+            new MatrixEvent({
+                type: "m.reaction",
+                sender: "@user2:example.com",
+                content: relationContent,
+            }),
+        ],
+        customReactionImagesEnabled: true,
+    });
+
+    beforeEach(function () {
+        jest.clearAllMocks();
+        mockClient.credentials = { userId: userId };
+        mockClient.getRoom.mockImplementation((roomId: string): Room | null => {
+            return roomId === room.roomId ? room : null;
+        });
+    });
+
+    it("reaction row button renders emojis correctly", () => {
+        const props = createProps({
+            "m.relates_to": {
+                event_id: "$user2:example.com",
+                key: "👍",
+                rel_type: "m.annotation",
+            },
+        });
+        const root = render(
+            <MatrixClientContext.Provider value={mockClient}>
+                <ReactionsRowButton {...props} />
+            </MatrixClientContext.Provider>,
+        );
+        expect(root).toMatchSnapshot();
+
+        // Try hover and make sure that the ReactionsRowButtonTooltip works
+        const reactionButton = root.getByRole("button");
+        const event = new MouseEvent("mouseover", {
+            bubbles: true,
+            cancelable: true,
+        });
+        reactionButton.dispatchEvent(event);
+
+        expect(root).toMatchSnapshot();
+    });
+
+    it("reaction row button renders custom image reactions correctly", () => {
+        const props = createProps({
+            "com.beeper.reaction.shortcode": ":test:",
+            "shortcode": ":test:",
+            "m.relates_to": {
+                event_id: "$user1:example.com",
+                key: "mxc://example.com/123456789",
+                rel_type: "m.annotation",
+            },
+        });
+
+        const root = render(
+            <MatrixClientContext.Provider value={mockClient}>
+                <ReactionsRowButton {...props} />
+            </MatrixClientContext.Provider>,
+        );
+        expect(root).toMatchSnapshot();
+
+        // Try hover and make sure that the ReactionsRowButtonTooltip works
+        const reactionButton = root.getByRole("button");
+        const event = new MouseEvent("mouseover", {
+            bubbles: true,
+            cancelable: true,
+        });
+        reactionButton.dispatchEvent(event);
+
+        expect(root).toMatchSnapshot();
+    });
+});