thedesk/app/node_modules/slice-stream/test/until.js
2018-02-18 16:29:06 +09:00

30 lines
832 B
JavaScript

var test = require('tap').test;
var streamBuffers = require("stream-buffers");
var SliceStream = require('../');
test("pipe a fixed length number of bytes, then end the stream", function (t) {
t.plan(2);
var ss = new SliceStream({ length: 5}, function (buf, sliceEnd, extra) {
if (!sliceEnd) {
return this.push(buf);
}
this.push(buf);
t.equal(extra.toString(), ' World');
return this.push(null);
});
var sourceStream = new streamBuffers.ReadableStreamBuffer();
sourceStream.put("Hello World");
var writableStream = new streamBuffers.WritableStreamBuffer();
sourceStream
.pipe(ss)
.pipe(writableStream)
.once('close', function () {
var str = writableStream.getContentsAsString('utf8');
t.equal(str, 'Hello');
sourceStream.destroy();
t.end();
});
});