90 lines
3.0 KiB
TypeScript
90 lines
3.0 KiB
TypeScript
/**
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* Copyright (c) 2019 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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import { assert } from 'chai';
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import { WriteBuffer } from './WriteBuffer';
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// eslint-disable-next-line @typescript-eslint/naming-convention
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declare let Buffer: any;
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function toBytes(s: string): Uint8Array {
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return Buffer.from(s);
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}
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function fromBytes(bytes: Uint8Array): string {
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return bytes.toString();
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}
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describe('WriteBuffer', () => {
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let wb: WriteBuffer;
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let stack: (string | Uint8Array)[] = [];
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let cbStack: string[] = [];
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beforeEach(() => {
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stack = [];
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cbStack = [];
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wb = new WriteBuffer(data => { stack.push(data); });
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});
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describe('write input', () => {
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it('string', done => {
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wb.write('a._');
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wb.write('b.x', () => { cbStack.push('b'); });
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wb.write('c._');
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wb.write('d.x', () => { cbStack.push('d'); });
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wb.write('e', () => {
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assert.deepEqual(stack, ['a._', 'b.x', 'c._', 'd.x', 'e']);
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assert.deepEqual(cbStack, ['b', 'd']);
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done();
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});
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});
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it('bytes', done => {
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wb.write(toBytes('a._'));
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wb.write(toBytes('b.x'), () => { cbStack.push('b'); });
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wb.write(toBytes('c._'));
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wb.write(toBytes('d.x'), () => { cbStack.push('d'); });
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wb.write(toBytes('e'), () => {
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assert.deepEqual(stack.map(val => typeof val === 'string' ? '' : fromBytes(val)), ['a._', 'b.x', 'c._', 'd.x', 'e']);
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assert.deepEqual(cbStack, ['b', 'd']);
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done();
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});
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});
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it('string/bytes mixed', done => {
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wb.write('a._');
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wb.write('b.x', () => { cbStack.push('b'); });
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wb.write(toBytes('c._'));
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wb.write(toBytes('d.x'), () => { cbStack.push('d'); });
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wb.write(toBytes('e'), () => {
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assert.deepEqual(stack.map(val => typeof val === 'string' ? val : fromBytes(val)), ['a._', 'b.x', 'c._', 'd.x', 'e']);
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assert.deepEqual(cbStack, ['b', 'd']);
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done();
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});
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});
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it('write callback works for empty chunks', done => {
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wb.write('a', () => { cbStack.push('a'); });
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wb.write('', () => { cbStack.push('b'); });
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wb.write(toBytes('c'), () => { cbStack.push('c'); });
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wb.write(new Uint8Array(0), () => { cbStack.push('d'); });
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wb.write('e', () => {
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assert.deepEqual(stack.map(val => typeof val === 'string' ? val : fromBytes(val)), ['a', '', 'c', '', 'e']);
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assert.deepEqual(cbStack, ['a', 'b', 'c', 'd']);
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done();
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});
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});
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it('writeSync', done => {
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wb.write('a', () => { cbStack.push('a'); });
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wb.write('b', () => { cbStack.push('b'); });
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wb.write('c', () => { cbStack.push('c'); });
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wb.writeSync('d');
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assert.deepEqual(stack, ['a', 'b', 'c', 'd']);
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assert.deepEqual(cbStack, ['a', 'b', 'c']);
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wb.write('x', () => { cbStack.push('x'); });
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wb.write('', () => {
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assert.deepEqual(stack, ['a', 'b', 'c', 'd', 'x', '']);
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assert.deepEqual(cbStack, ['a', 'b', 'c', 'x']);
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done();
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});
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});
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});
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});
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