src/BufferSet.test.ts

   1 /**
   2  * @license MIT
   3  */
   4 import { assert } from 'chai';
   5 import { ITerminal } from './Interfaces';
   6 import { BufferSet } from './BufferSet';
   7 import { Buffer } from './Buffer';
   8 import { MockTerminal } from './utils/TestUtils';
   9
  10 describe('BufferSet', () => {
  11   let terminal: ITerminal;
  12   let bufferSet: BufferSet;
  13
  14   beforeEach(() => {
  15     terminal = new MockTerminal();
  16     terminal.cols = 80;
  17     terminal.rows = 24;
  18     terminal.scrollback = 1000;
  19     bufferSet = new BufferSet(terminal);
  20   });
  21
  22   describe('constructor', () => {
  23     it('should create two different buffers: alt and normal', () => {
  24       assert.instanceOf(bufferSet.normal, Buffer);
  25       assert.instanceOf(bufferSet.alt, Buffer);
  26       assert.notEqual(bufferSet.normal, bufferSet.alt);
  27     });
  28   });
  29
  30   describe('activateNormalBuffer', () => {
  31     beforeEach(() => {
  32       bufferSet.activateNormalBuffer();
  33     });
  34
  35     it('should set the normal buffer as the currently active buffer', () => {
  36       assert.equal(bufferSet.active, bufferSet.normal);
  37     });
  38   });
  39
  40   describe('activateAltBuffer', () => {
  41     beforeEach(() => {
  42       bufferSet.activateAltBuffer();
  43     });
  44
  45     it('should set the alt buffer as the currently active buffer', () => {
  46       assert.equal(bufferSet.active, bufferSet.alt);
  47     });
  48   });
  49 });