/* 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 { render } from "@testing-library/react"; import type { IContent } from "matrix-js-sdk/src/matrix"; import type React from "react"; import { editBodyDiffToHtml } from "../../src/utils/MessageDiffUtils"; describe("editBodyDiffToHtml", () => { function buildContent(message: string): IContent { return { body: message, format: "org.matrix.custom.html", formatted_body: message, msgtype: "m.text", }; } function renderDiff(before: string, after: string) { const node = editBodyDiffToHtml(buildContent(before), buildContent(after)); return render(node as React.ReactElement); } it.each([ ["simple word changes", "hello", "world"], ["central word changes", "beginning middle end", "beginning :smile: end"], ["text deletions", "hello world", "hello"], ["text additions", "hello", "hello world"], ["block element additions", "hello", "hello

world

"], ["inline element additions", "hello", "hello world"], ["block element deletions", `hi
there
`, "hi"], ["inline element deletions", `hi there`, "hi"], ["element replacements", `hi there`, "hi there"], ["attribute modifications", `hi`, `hi`], ["attribute deletions", `hi`, `hi`], ["attribute additions", `hi`, `hi`], ])("renders %s", (_label, before, after) => { const { container } = renderDiff(before, after); expect(container).toMatchSnapshot(); }); // see https://github.com/fiduswriter/diffDOM/issues/90 // fixed in diff-dom in 4.2.2+ it("deduplicates diff steps", () => { const { container } = renderDiff("
foo bar baz
", "
foo bar bay
"); expect(container).toMatchSnapshot(); }); it("handles non-html input", () => { const before: IContent = { body: "who knows what's going on here", format: "org.exotic.encoding", formatted_body: "who knows what's going on here", msgtype: "m.text", }; const after: IContent = { ...before, body: "who knows what's going on there", formatted_body: "who knows what's going on there", }; const { container } = render(editBodyDiffToHtml(before, after) as React.ReactElement); expect(container).toMatchSnapshot(); }); // see https://github.com/vector-im/element-web/issues/23665 it("handles complex transformations", () => { const { container } = renderDiff( '{☃️}^\\infty', '{😃}^\\infty', ); expect(container).toMatchSnapshot(); }); });