105 lines
4.6 KiB
TypeScript
105 lines
4.6 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2019 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import EditorModel from "../../../src/editor/model";
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import { createPartCreator, createRenderer } from "./mock";
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const pillChannel = "#riot-dev:matrix.org";
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describe("editor/range", function () {
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it("range on empty model", function () {
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const renderer = createRenderer();
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const pc = createPartCreator();
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const model = new EditorModel([], pc, renderer);
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const range = model.startRange(model.positionForOffset(0, true)); // after "world"
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let called = false;
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range.expandBackwardsWhile((chr) => {
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called = true;
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return true;
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});
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expect(called).toBe(false);
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expect(range.text).toBe("");
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});
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it("range replace within a part", function () {
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const renderer = createRenderer();
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const pc = createPartCreator();
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const model = new EditorModel([pc.plain("hello world!!!!")], pc, renderer);
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const range = model.startRange(model.positionForOffset(11)); // after "world"
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range.expandBackwardsWhile((index, offset) => model.parts[index].text[offset] !== " ");
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expect(range.text).toBe("world");
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range.replace([pc.roomPill(pillChannel)]);
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expect(model.parts[0].type).toBe("plain");
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expect(model.parts[0].text).toBe("hello ");
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expect(model.parts[1].type).toBe("room-pill");
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expect(model.parts[1].text).toBe(pillChannel);
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expect(model.parts[2].type).toBe("plain");
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expect(model.parts[2].text).toBe("!!!!");
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expect(model.parts.length).toBe(3);
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});
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it("range replace across parts", function () {
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const renderer = createRenderer();
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const pc = createPartCreator();
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const model = new EditorModel(
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[pc.plain("try to re"), pc.plain("pla"), pc.plain("ce "), pc.plain("me")],
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pc,
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renderer,
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);
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const range = model.startRange(model.positionForOffset(14)); // after "replace"
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range.expandBackwardsWhile((index, offset) => model.parts[index].text[offset] !== " ");
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expect(range.text).toBe("replace");
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range.replace([pc.roomPill(pillChannel)]);
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expect(model.parts[0].type).toBe("plain");
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expect(model.parts[0].text).toBe("try to ");
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expect(model.parts[1].type).toBe("room-pill");
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expect(model.parts[1].text).toBe(pillChannel);
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expect(model.parts[2].type).toBe("plain");
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expect(model.parts[2].text).toBe(" me");
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expect(model.parts.length).toBe(3);
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});
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// bug found while implementing tab completion
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it("replace a part with an identical part with start position at end of previous part", function () {
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const renderer = createRenderer();
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const pc = createPartCreator();
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const model = new EditorModel([pc.plain("hello "), pc.pillCandidate("man")], pc, renderer);
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const range = model.startRange(model.positionForOffset(9, true)); // before "man"
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range.expandBackwardsWhile((index, offset) => model.parts[index].text[offset] !== " ");
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expect(range.text).toBe("man");
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range.replace([pc.pillCandidate(range.text)]);
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expect(model.parts[0].type).toBe("plain");
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expect(model.parts[0].text).toBe("hello ");
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expect(model.parts[1].type).toBe("pill-candidate");
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expect(model.parts[1].text).toBe("man");
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expect(model.parts.length).toBe(2);
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});
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it("range trim spaces off both ends", () => {
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const renderer = createRenderer();
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const pc = createPartCreator();
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const model = new EditorModel([pc.plain("abc abc abc")], pc, renderer);
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const range = model.startRange(
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model.positionForOffset(3, false), // at end of first `abc`
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model.positionForOffset(8, false), // at start of last `abc`
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);
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expect(range.parts[0].text).toBe(" abc ");
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range.trim();
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expect(range.parts[0].text).toBe("abc");
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});
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// test for edge case when the selection just consists of whitespace
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it("range trim just whitespace", () => {
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const renderer = createRenderer();
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const pc = createPartCreator();
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const whitespace = " \n \n\n";
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const model = new EditorModel([pc.plain(whitespace)], pc, renderer);
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const range = model.startRange(model.positionForOffset(0, false), model.getPositionAtEnd());
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expect(range.text).toBe(whitespace);
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range.trim();
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expect(range.text).toBe("");
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});
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});
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