69 lines
2.0 KiB
TypeScript
69 lines
2.0 KiB
TypeScript
import { expect, tap } from '@push.rocks/tapbundle';
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import * as smartfile from '@push.rocks/smartfile';
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import * as smartstream from '../ts/index.js';
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let testIntake: smartstream.StreamIntake<string>;
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tap.test('should handle a read stream', async (tools) => {
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const counter = 0;
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const testSmartstream = new smartstream.StreamWrapper([
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smartfile.fsStream.createReadStream('./test/assets/readabletext.txt'),
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smartstream.createDuplexStream<Buffer, Buffer>(
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async (chunkStringArg: Buffer, streamTools) => {
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// do something with the stream here
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const result = chunkStringArg.toString().substr(0, 100);
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streamTools.pipeMore('wow =========== \n');
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return Buffer.from(result);
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},
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async (tools) => {
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// tools.pipeMore('hey, this is the end')
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return Buffer.from('this is the end');
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},
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{ objectMode: false }
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),
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smartstream.createDuplexStream<Buffer, string>(async (chunkStringArg) => {
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console.log(chunkStringArg.toString());
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return null;
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}),
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smartstream.cleanPipe(),
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]);
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await testSmartstream.run();
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});
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tap.test('should create a valid Intake', async (tools) => {
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testIntake = new smartstream.StreamIntake<string>();
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testIntake
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.getReadable()
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.pipe(
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smartstream.createDuplexStream<string, string>(
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async (chunkString) => {
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await tools.delayFor(100);
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console.log(chunkString);
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return chunkString;
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},
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async () => {
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return 'noice';
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}
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)
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)
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.pipe(smartfile.fsStream.createWriteStream('./test/assets/writabletext.txt'));
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const testFinished = tools.defer();
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let counter = 0;
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testIntake.pushNextObservable.subscribe(() => {
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if (counter < 50) {
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counter++;
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testIntake.pushData('hi');
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testIntake.pushData('+wow');
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testIntake.pushData('\n');
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} else {
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testIntake.signalEnd();
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testFinished.resolve();
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}
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});
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await testFinished.promise;
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testIntake.signalEnd();
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});
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tap.start();
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