mirror of
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91 lines
3.7 KiB
TypeScript
91 lines
3.7 KiB
TypeScript
/*
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Copyright 2023 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { render } from "@testing-library/react";
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import type { IContent } from "matrix-js-sdk/src/matrix";
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import type React from "react";
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import { editBodyDiffToHtml } from "../../src/utils/MessageDiffUtils";
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describe("editBodyDiffToHtml", () => {
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function buildContent(message: string): IContent {
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return {
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body: message,
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format: "org.matrix.custom.html",
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formatted_body: message,
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msgtype: "m.text",
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};
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}
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function renderDiff(before: string, after: string) {
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const node = editBodyDiffToHtml(buildContent(before), buildContent(after));
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return render(node as React.ReactElement);
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}
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it.each([
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["simple word changes", "hello", "world"],
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["central word changes", "beginning middle end", "beginning :smile: end"],
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["text deletions", "<b>hello</b> world", "<b>hello</b>"],
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["text additions", "<b>hello</b>", "<b>hello</b> world"],
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["block element additions", "hello", "hello <p>world</p>"],
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["inline element additions", "hello", "hello <q>world</q>"],
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["block element deletions", `hi <blockquote>there</blockquote>`, "hi"],
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["inline element deletions", `hi <em>there</em>`, "hi"],
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["element replacements", `hi <i>there</i>`, "hi <em>there</em>"],
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["attribute modifications", `<a href="#hi">hi</a>`, `<a href="#bye">hi</a>`],
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["attribute deletions", `<a href="#hi">hi</a>`, `<a>hi</a>`],
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["attribute additions", `<a>hi</a>`, `<a href="#/room/!123">hi</a>`],
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["handles empty tags", `<a>hi</a>`, `<a><h1></h1></a> hi`],
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])("renders %s", (_label, before, after) => {
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const { container } = renderDiff(before, after);
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expect(container).toMatchSnapshot();
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});
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// see https://github.com/fiduswriter/diffDOM/issues/90
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// fixed in diff-dom in 4.2.2+
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it("deduplicates diff steps", () => {
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const { container } = renderDiff("<div><em>foo</em> bar baz</div>", "<div><em>foo</em> bar bay</div>");
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expect(container).toMatchSnapshot();
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});
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it("handles non-html input", () => {
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const before: IContent = {
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body: "who knows what's going on <strong>here</strong>",
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format: "org.exotic.encoding",
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formatted_body: "who knows what's going on <strong>here</strong>",
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msgtype: "m.text",
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};
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const after: IContent = {
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...before,
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body: "who knows what's going on <strong>there</strong>",
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formatted_body: "who knows what's going on <strong>there</strong>",
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};
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const { container } = render(editBodyDiffToHtml(before, after) as React.ReactElement);
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expect(container).toMatchSnapshot();
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});
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// see https://github.com/vector-im/element-web/issues/23665
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it("handles complex transformations", () => {
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const { container } = renderDiff(
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'<span data-mx-maths="{☃️}^\\infty"><code>{☃️}^\\infty</code></span>',
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'<span data-mx-maths="{😃}^\\infty"><code>{😃}^\\infty</code></span>',
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);
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expect(container).toMatchSnapshot();
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});
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});
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