mirror of
https://github.com/vector-im/element-web.git
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136bb78c15
* chore: rename snapshot, actions and vm according to MVVM doc * doc: add naming conventions * chore: fix UrlGroupView naming, folders and children * chore: remove `Example` column * refactor: rename `UrlPreviewGroupViewPreview` into `UrlPreview`
255 lines
10 KiB
TypeScript
255 lines
10 KiB
TypeScript
/*
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* Copyright 2026 Element Creations Ltd.
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*
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* SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
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* Please see LICENSE files in the repository root for full details.
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*/
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import { expect } from "@jest/globals";
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import type { MockedObject } from "jest-mock";
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import type { MatrixClient, IPreviewUrlResponse } from "matrix-js-sdk/src/matrix";
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import { UrlPreviewGroupViewModel } from "../../../src/viewmodels/message-body/UrlPreviewGroupViewModel";
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import type { UrlPreview } from "@element-hq/web-shared-components";
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import { getMockClientWithEventEmitter, mkEvent } from "../../test-utils";
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const IMAGE_MXC = "mxc://example.org/abc";
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const BASIC_PREVIEW_OGDATA = {
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"og:title": "This is an example!",
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"og:description": "This is a description",
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"og:type": "document",
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"og:url": "https://example.org",
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"og:site_name": "Example.org",
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};
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function getViewModel({ mediaVisible, visible } = { mediaVisible: true, visible: true }): {
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vm: UrlPreviewGroupViewModel;
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client: MockedObject<MatrixClient>;
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onImageClicked: jest.Mock<void, [UrlPreview]>;
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} {
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const client = getMockClientWithEventEmitter({
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getUrlPreview: jest.fn(),
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mxcUrlToHttp: jest.fn(),
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});
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const onImageClicked = jest.fn<void, [UrlPreview]>();
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const vm = new UrlPreviewGroupViewModel({
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client,
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mediaVisible,
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visible,
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onImageClicked,
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mxEvent: mkEvent({
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event: true,
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user: "@foo:bar",
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type: "m.room.message",
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content: {},
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id: "$id",
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}),
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});
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return { vm, client, onImageClicked };
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}
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describe("UrlPreviewGroupViewModel", () => {
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it("should return no previews by default", () => {
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expect(getViewModel().vm.getSnapshot()).toMatchSnapshot();
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});
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it("should preview a single valid URL", async () => {
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const { vm, client } = getViewModel();
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client.getUrlPreview.mockResolvedValueOnce(BASIC_PREVIEW_OGDATA);
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const msg = document.createElement("div");
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msg.innerHTML = '<a href="https://example.org">Test</a>';
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await vm.updateEventElement(msg);
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expect(vm.getSnapshot()).toMatchSnapshot();
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});
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it("should preview nested URLs but ignore some element types", async () => {
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const { vm, client } = getViewModel();
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vm.onTogglePreviewLimit();
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client.getUrlPreview.mockResolvedValue(BASIC_PREVIEW_OGDATA);
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const msg = document.createElement("div");
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msg.innerHTML = `
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<ul>
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<a href="https://example.org/1">Test1</a>
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<li><a href="https://example.org/2">Test2</a></li>
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<li>
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<ol>
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<li><a href="https://example.org/3">Test3</a></li>
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</ol>
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</li>
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</ul>
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<pre><a href="https://example.org">Test4</a></pre>
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<code><a href="https://example.org">Test5</a></code>
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<blockquote><a href="https://example.org">Test6</a></blockquote>`;
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await vm.updateEventElement(msg);
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const { previews } = vm.getSnapshot();
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expect(previews).toHaveLength(3);
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expect(previews).toMatchObject([
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{
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link: "https://example.org/1",
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},
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{
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link: "https://example.org/2",
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},
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{
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link: "https://example.org/3",
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},
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]);
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});
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it("should hide preview when invisible", async () => {
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const { vm, client } = getViewModel({ visible: false, mediaVisible: true });
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const msg = document.createElement("div");
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msg.innerHTML = '<a href="https://example.org">Test</a>';
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await vm.updateEventElement(msg);
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expect(vm.getSnapshot()).toMatchSnapshot();
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expect(client.getUrlPreview).not.toHaveBeenCalled();
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});
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it("should preview a URL with media", async () => {
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const { vm, client } = getViewModel();
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client.getUrlPreview.mockResolvedValueOnce({
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"og:title": "This is an example!",
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"og:type": "document",
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"og:url": "https://example.org",
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"og:image": IMAGE_MXC,
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"og:image:height": 128,
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"og:image:width": 128,
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"matrix:image:size": 10000,
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});
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// eslint-disable-next-line no-restricted-properties
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client.mxcUrlToHttp.mockImplementation((url, width) => {
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expect(url).toEqual(IMAGE_MXC);
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if (width) {
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return "https://example.org/image/thumb";
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}
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return "https://example.org/image/src";
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});
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const msg = document.createElement("div");
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msg.innerHTML = '<a href="https://example.org">Test</a>';
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await vm.updateEventElement(msg);
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expect(vm.getSnapshot()).toMatchSnapshot();
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});
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it("should ignore media when mediaVisible is false", async () => {
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const { vm, client } = getViewModel({ mediaVisible: false, visible: true });
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client.getUrlPreview.mockResolvedValueOnce({
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"og:title": "This is an example!",
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"og:type": "document",
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"og:url": "https://example.org",
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"og:image": IMAGE_MXC,
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"og:image:height": 128,
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"og:image:width": 128,
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"matrix:image:size": 10000,
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});
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const msg = document.createElement("div");
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msg.innerHTML = '<a href="https://example.org">Test</a>';
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await vm.updateEventElement(msg);
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expect(vm.getSnapshot()).toMatchSnapshot();
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// eslint-disable-next-line no-restricted-properties
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expect(client.mxcUrlToHttp).not.toHaveBeenCalled();
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});
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it("should deduplicate multiple versions of the same URL", async () => {
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const { vm, client } = getViewModel();
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client.getUrlPreview.mockResolvedValueOnce(BASIC_PREVIEW_OGDATA);
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const msg = document.createElement("div");
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msg.innerHTML =
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'<a href="https://example.org">Test</a><a href="https://example.org">Test</a><a href="https://example.org">Test</a>';
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await vm.updateEventElement(msg);
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expect(vm.getSnapshot()).toMatchSnapshot();
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expect(client.getUrlPreview).toHaveBeenCalledTimes(1);
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});
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it("should ignore failed previews", async () => {
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const { vm, client } = getViewModel();
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client.getUrlPreview.mockRejectedValue(new Error("Forced test failure"));
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const msg = document.createElement("div");
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msg.innerHTML = '<a href="https://example.org">Test</a>';
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await vm.updateEventElement(msg);
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expect(vm.getSnapshot()).toMatchSnapshot();
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});
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it("should handle image clicks", async () => {
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const { vm, client, onImageClicked } = getViewModel();
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client.getUrlPreview.mockResolvedValueOnce({
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"og:title": "This is an example!",
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"og:type": "document",
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"og:url": "https://example.org",
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"og:image": IMAGE_MXC,
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"og:image:height": 128,
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"og:image:width": 128,
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"matrix:image:size": 10000,
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});
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// eslint-disable-next-line no-restricted-properties
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client.mxcUrlToHttp.mockImplementation((url, width) => {
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expect(url).toEqual(IMAGE_MXC);
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if (width) {
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return "https://example.org/image/thumb";
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}
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return "https://example.org/image/src";
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});
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const msg = document.createElement("div");
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msg.innerHTML = '<a href="https://example.org">Test</a>';
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await vm.updateEventElement(msg);
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const { previews } = vm.getSnapshot();
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vm.onImageClick(previews[0]);
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expect(onImageClicked).toHaveBeenCalled();
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});
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it("should handle being hidden and shown by the user", async () => {
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const { vm, client } = getViewModel();
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client.getUrlPreview.mockResolvedValueOnce(BASIC_PREVIEW_OGDATA);
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const msg = document.createElement("div");
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msg.innerHTML = '<a href="https://example.org">Test</a>';
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await vm.updateEventElement(msg);
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await vm.onHideClick();
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expect(vm.getSnapshot()).toMatchSnapshot();
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await vm.onShowClick();
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expect(vm.getSnapshot()).toMatchSnapshot();
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});
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it.each([
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{ text: "", href: "", hasPreview: false },
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{ text: "test", href: "noprotocol.example.org", hasPreview: false },
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{ text: "matrix link", href: "https://matrix.to", hasPreview: false },
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{ text: "email", href: "mailto:example.org", hasPreview: false },
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{ text: "", href: "https://example.org", hasPreview: true },
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])("handles different kinds of links %s", async (item) => {
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const { vm, client } = getViewModel();
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client.getUrlPreview.mockResolvedValueOnce(BASIC_PREVIEW_OGDATA);
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const msg = document.createElement("div");
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msg.innerHTML = `<a href="${item.href}">${item.text}</a>`;
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await vm.updateEventElement(msg);
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expect(vm.getSnapshot().previews).toHaveLength(item.hasPreview ? 1 : 0);
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});
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// og:url, og:type are ignored.
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const baseOg = {
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"og:url": "https://example.org",
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"og:type": "document",
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};
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it.each<IPreviewUrlResponse>([
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{ ...baseOg, "og:title": "Basic title" },
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{ ...baseOg, "og:site_name": "Site name", "og:title": "" },
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{ ...baseOg, "og:description": "A description", "og:title": "" },
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{ ...baseOg, "og:title": "Cool blog", "og:site_name": "Cool site" },
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{
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...baseOg,
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"og:title": "Media test",
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// API *may* return a string, so check we parse correctly.
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"og:image:height": "500" as unknown as number,
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"og:image:width": 500,
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"matrix:image:size": 1024,
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"og:image": IMAGE_MXC,
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},
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])("handles different kinds of opengraph responses %s", async (og) => {
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const { vm, client } = getViewModel();
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// eslint-disable-next-line no-restricted-properties
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client.mxcUrlToHttp.mockImplementation((url, width) => {
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expect(url).toEqual(IMAGE_MXC);
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if (width) {
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return "https://example.org/image/thumb";
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}
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return "https://example.org/image/src";
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});
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client.getUrlPreview.mockResolvedValueOnce(og);
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const msg = document.createElement("div");
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msg.innerHTML = `<a href="https://example.org">test</a>`;
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await vm.updateEventElement(msg);
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expect(vm.getSnapshot().previews[0]).toMatchSnapshot();
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});
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});
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