60 lines
1.5 KiB
TypeScript
60 lines
1.5 KiB
TypeScript
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// Copyright 2024 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { assert } from 'chai';
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import type { SplitTextOptionsType } from '../../util/splitText';
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import { splitText } from '../../util/splitText';
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describe('splitText', () => {
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describe('grapheme granularity', () => {
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const options: SplitTextOptionsType = {
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granularity: 'grapheme',
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shouldBreak: x => x.length > 6,
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};
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it('splits text into one line', () => {
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assert.deepEqual(splitText('signal', options), ['signal']);
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});
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it('splits text into two lines', () => {
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assert.deepEqual(splitText('signal.0123', options), ['signal', '.0123']);
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});
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it('splits text into three lines', () => {
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assert.deepEqual(splitText('signal.01234567', options), [
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'signal',
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'.01234',
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'567',
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]);
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});
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});
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describe('word granularity', () => {
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const options: SplitTextOptionsType = {
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granularity: 'word',
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shouldBreak: x => x.length > 6,
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};
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it('splits text into one line', () => {
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assert.deepEqual(splitText('signal', options), ['signal']);
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});
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it('splits text into two lines', () => {
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assert.deepEqual(splitText('signal.0123', options), ['signal.', '0123']);
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});
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it('splits text into three lines', () => {
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assert.deepEqual(splitText('aaaaaa b b ccccc', options), [
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'aaaaaa',
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'b b',
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'ccccc',
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]);
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});
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it('trims lines', () => {
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assert.deepEqual(splitText('signa 0123', options), ['signa', '0123']);
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});
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});
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});
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