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parser tests for addDcsHandler

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This commit is contained in:
Jörg Breitbart
2019-07-26 18:11:31 +02:00
parent 0a2d9a2120
commit 0106bdcb73
1 changed files with 59 additions and 0 deletions
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src/common/parser/EscapeSequenceParser.test.ts
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@@ -11,6 +11,7 @@ import { ParserState } from 'common/parser/Constants';
import { Params } from 'common/parser/Params';
import { OscHandlerFactory } from 'common/parser/OscParser';
import { IDisposable } from 'common/Types';
import { DcsHandlerFactory } from 'common/parser/DcsParser';
function r(a: number, b: number): string[] {
@@ -1443,6 +1444,64 @@ describe('EscapeSequenceParser', function (): void {
parse(parser2, ';de\x9c');
chai.expect(dcs).eql([]);
});
describe('DCS custom handlers', () => {
const DCS_INPUT = '\x1bP1;2;3+pabc\x1b\\';
it('Prevent fallback', () => {
const dcsCustom: [string, (number | number[])[], string][] = [];
parser2.setDcsHandler('+p', new DcsHandlerFactory((params, data) => dcsCustom.push(['A', params.toArray(), data])));
parser2.addDcsHandler('+p', new DcsHandlerFactory((params, data) => { dcsCustom.push(['B', params.toArray(), data]); return true; }));
parse(parser2, DCS_INPUT);
chai.expect(dcsCustom).eql([['B', [1, 2, 3], 'abc']]);
});
it('Allow fallback', () => {
const dcsCustom: [string, (number | number[])[], string][] = [];
parser2.setDcsHandler('+p', new DcsHandlerFactory((params, data) => dcsCustom.push(['A', params.toArray(), data])));
parser2.addDcsHandler('+p', new DcsHandlerFactory((params, data) => { dcsCustom.push(['B', params.toArray(), data]); return false; }));
parse(parser2, DCS_INPUT);
chai.expect(dcsCustom).eql([['B', [1, 2, 3], 'abc'], ['A', [1, 2, 3], 'abc']]);
});
it('Multiple custom handlers fallback once', () => {
const dcsCustom: [string, (number | number[])[], string][] = [];
parser2.setDcsHandler('+p', new DcsHandlerFactory((params, data) => dcsCustom.push(['A', params.toArray(), data])));
parser2.addDcsHandler('+p', new DcsHandlerFactory((params, data) => { dcsCustom.push(['B', params.toArray(), data]); return true; }));
parser2.addDcsHandler('+p', new DcsHandlerFactory((params, data) => { dcsCustom.push(['C', params.toArray(), data]); return false; }));
parse(parser2, DCS_INPUT);
chai.expect(dcsCustom).eql([['C', [1, 2, 3], 'abc'], ['B', [1, 2, 3], 'abc']]);
});
it('Multiple custom handlers no fallback', () => {
const dcsCustom: [string, (number | number[])[], string][] = [];
parser2.setDcsHandler('+p', new DcsHandlerFactory((params, data) => dcsCustom.push(['A', params.toArray(), data])));
parser2.addDcsHandler('+p', new DcsHandlerFactory((params, data) => { dcsCustom.push(['B', params.toArray(), data]); return true; }));
parser2.addDcsHandler('+p', new DcsHandlerFactory((params, data) => { dcsCustom.push(['C', params.toArray(), data]); return true; }));
parse(parser2, DCS_INPUT);
chai.expect(dcsCustom).eql([['C', [1, 2, 3], 'abc']]);
});
it('Execution order should go from latest handler down to the original', () => {
const order: number[] = [];
parser2.setDcsHandler('+p', new DcsHandlerFactory(() => order.push(1)));
parser2.addDcsHandler('+p', new DcsHandlerFactory(() => { order.push(2); return false; }));
parser2.addDcsHandler('+p', new DcsHandlerFactory(() => { order.push(3); return false; }));
parse(parser2, DCS_INPUT);
chai.expect(order).eql([3, 2, 1]);
});
it('Dispose should work', () => {
const dcsCustom: [string, (number | number[])[], string][] = [];
parser2.setDcsHandler('+p', new DcsHandlerFactory((params, data) => dcsCustom.push(['A', params.toArray(), data])));
const dispo = parser2.addDcsHandler('+p', new DcsHandlerFactory((params, data) => { dcsCustom.push(['B', params.toArray(), data]); return true; }));
dispo.dispose();
parse(parser2, DCS_INPUT);
chai.expect(dcsCustom).eql([['A', [1, 2, 3], 'abc']]);
});
it('Should not corrupt the parser when dispose is called twice', () => {
const dcsCustom: [string, (number | number[])[], string][] = [];
parser2.setDcsHandler('+p', new DcsHandlerFactory((params, data) => dcsCustom.push(['A', params.toArray(), data])));
const dispo = parser2.addDcsHandler('+p', new DcsHandlerFactory((params, data) => { dcsCustom.push(['B', params.toArray(), data]); return true; }));
dispo.dispose();
dispo.dispose();
parse(parser2, DCS_INPUT);
chai.expect(dcsCustom).eql([['A', [1, 2, 3], 'abc']]);
});
});
it('ERROR handler', function (): void {
let errorState: IParsingState | null = null;
parser2.setErrorHandler(function (state: IParsingState): IParsingState {