mirror of
https://github.com/crazy-max/ghaction-upx.git
synced 2024-11-25 11:46:09 -07:00
351 lines
12 KiB
JavaScript
351 lines
12 KiB
JavaScript
var fdSlicer = require('../');
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var fs = require('fs');
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var crypto = require('crypto');
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var path = require('path');
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var streamEqual = require('stream-equal');
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var assert = require('assert');
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var Pend = require('pend');
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var StreamSink = require('streamsink');
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var describe = global.describe;
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var it = global.it;
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var before = global.before;
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var beforeEach = global.beforeEach;
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var after = global.after;
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var testBlobFile = path.join(__dirname, "test-blob.bin");
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var testBlobFileSize = 20 * 1024 * 1024;
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var testOutBlobFile = path.join(__dirname, "test-blob-out.bin");
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describe("FdSlicer", function() {
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before(function(done) {
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var out = fs.createWriteStream(testBlobFile);
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for (var i = 0; i < testBlobFileSize / 1024; i += 1) {
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out.write(crypto.pseudoRandomBytes(1024));
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}
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out.end();
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out.on('close', done);
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});
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beforeEach(function() {
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try {
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fs.unlinkSync(testOutBlobFile);
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} catch (err) {
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}
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});
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after(function() {
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try {
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fs.unlinkSync(testBlobFile);
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fs.unlinkSync(testOutBlobFile);
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} catch (err) {
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}
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});
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it("reads a 20MB file (autoClose on)", function(done) {
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fs.open(testBlobFile, 'r', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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var actualStream = slicer.createReadStream();
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var expectedStream = fs.createReadStream(testBlobFile);
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var pend = new Pend();
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pend.go(function(cb) {
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slicer.on('close', cb);
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});
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pend.go(function(cb) {
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streamEqual(expectedStream, actualStream, function(err, equal) {
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if (err) return done(err);
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assert.ok(equal);
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cb();
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});
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});
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pend.wait(done);
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});
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});
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it("reads 4 chunks simultaneously", function(done) {
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fs.open(testBlobFile, 'r', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd);
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var actualPart1 = slicer.createReadStream({start: testBlobFileSize * 0/4, end: testBlobFileSize * 1/4});
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var actualPart2 = slicer.createReadStream({start: testBlobFileSize * 1/4, end: testBlobFileSize * 2/4});
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var actualPart3 = slicer.createReadStream({start: testBlobFileSize * 2/4, end: testBlobFileSize * 3/4});
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var actualPart4 = slicer.createReadStream({start: testBlobFileSize * 3/4, end: testBlobFileSize * 4/4});
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var expectedPart1 = slicer.createReadStream({start: testBlobFileSize * 0/4, end: testBlobFileSize * 1/4});
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var expectedPart2 = slicer.createReadStream({start: testBlobFileSize * 1/4, end: testBlobFileSize * 2/4});
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var expectedPart3 = slicer.createReadStream({start: testBlobFileSize * 2/4, end: testBlobFileSize * 3/4});
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var expectedPart4 = slicer.createReadStream({start: testBlobFileSize * 3/4, end: testBlobFileSize * 4/4});
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var pend = new Pend();
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pend.go(function(cb) {
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streamEqual(expectedPart1, actualPart1, function(err, equal) {
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assert.ok(equal);
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cb(err);
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});
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});
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pend.go(function(cb) {
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streamEqual(expectedPart2, actualPart2, function(err, equal) {
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assert.ok(equal);
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cb(err);
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});
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});
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pend.go(function(cb) {
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streamEqual(expectedPart3, actualPart3, function(err, equal) {
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assert.ok(equal);
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cb(err);
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});
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});
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pend.go(function(cb) {
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streamEqual(expectedPart4, actualPart4, function(err, equal) {
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assert.ok(equal);
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cb(err);
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});
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});
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pend.wait(function(err) {
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if (err) return done(err);
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fs.close(fd, done);
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});
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});
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});
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it("writes a 20MB file (autoClose on)", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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var actualStream = slicer.createWriteStream();
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var inStream = fs.createReadStream(testBlobFile);
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slicer.on('close', function() {
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var expected = fs.createReadStream(testBlobFile);
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var actual = fs.createReadStream(testOutBlobFile);
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streamEqual(expected, actual, function(err, equal) {
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if (err) return done(err);
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assert.ok(equal);
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done();
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});
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});
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inStream.pipe(actualStream);
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});
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});
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it("writes 4 chunks simultaneously", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd);
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var actualPart1 = slicer.createWriteStream({start: testBlobFileSize * 0/4});
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var actualPart2 = slicer.createWriteStream({start: testBlobFileSize * 1/4});
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var actualPart3 = slicer.createWriteStream({start: testBlobFileSize * 2/4});
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var actualPart4 = slicer.createWriteStream({start: testBlobFileSize * 3/4});
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var in1 = fs.createReadStream(testBlobFile, {start: testBlobFileSize * 0/4, end: testBlobFileSize * 1/4});
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var in2 = fs.createReadStream(testBlobFile, {start: testBlobFileSize * 1/4, end: testBlobFileSize * 2/4});
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var in3 = fs.createReadStream(testBlobFile, {start: testBlobFileSize * 2/4, end: testBlobFileSize * 3/4});
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var in4 = fs.createReadStream(testBlobFile, {start: testBlobFileSize * 3/4, end: testBlobFileSize * 4/4});
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var pend = new Pend();
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pend.go(function(cb) {
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actualPart1.on('finish', cb);
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});
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pend.go(function(cb) {
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actualPart2.on('finish', cb);
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});
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pend.go(function(cb) {
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actualPart3.on('finish', cb);
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});
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pend.go(function(cb) {
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actualPart4.on('finish', cb);
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});
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in1.pipe(actualPart1);
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in2.pipe(actualPart2);
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in3.pipe(actualPart3);
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in4.pipe(actualPart4);
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pend.wait(function() {
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fs.close(fd, function(err) {
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if (err) return done(err);
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var expected = fs.createReadStream(testBlobFile);
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var actual = fs.createReadStream(testOutBlobFile);
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streamEqual(expected, actual, function(err, equal) {
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if (err) return done(err);
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assert.ok(equal);
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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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});
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it("throws on invalid ref", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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assert.throws(function() {
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slicer.unref();
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}, /invalid unref/);
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fs.close(fd, done);
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});
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});
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it("write stream emits error when max size exceeded", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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var ws = slicer.createWriteStream({start: 0, end: 1000});
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ws.on('error', function(err) {
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assert.strictEqual(err.code, 'ETOOBIG');
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slicer.on('close', done);
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});
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ws.end(new Buffer(1001));
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});
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});
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it("write stream does not emit error when max size not exceeded", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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var ws = slicer.createWriteStream({end: 1000});
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slicer.on('close', done);
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ws.end(new Buffer(1000));
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});
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});
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it("write stream start and end work together", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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var ws = slicer.createWriteStream({start: 1, end: 1000});
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ws.on('error', function(err) {
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assert.strictEqual(err.code, 'ETOOBIG');
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slicer.on('close', done);
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});
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ws.end(new Buffer(1000));
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});
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});
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it("write stream emits progress events", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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var ws = slicer.createWriteStream();
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var progressEventCount = 0;
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var prevBytesWritten = 0;
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ws.on('progress', function() {
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progressEventCount += 1;
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assert.ok(ws.bytesWritten > prevBytesWritten);
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prevBytesWritten = ws.bytesWritten;
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});
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slicer.on('close', function() {
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assert.ok(progressEventCount > 5);
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done();
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});
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for (var i = 0; i < 10; i += 1) {
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ws.write(new Buffer(16 * 1024 * 2));
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}
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ws.end();
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});
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});
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it("write stream unrefs when destroyed", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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var ws = slicer.createWriteStream();
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slicer.on('close', done);
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ws.write(new Buffer(1000));
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ws.destroy();
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});
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});
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it("read stream unrefs when destroyed", function(done) {
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fs.open(testBlobFile, 'r', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd, {autoClose: true});
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var rs = slicer.createReadStream();
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rs.on('error', function(err) {
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assert.strictEqual(err.message, "stream destroyed");
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slicer.on('close', done);
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});
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rs.destroy();
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});
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});
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it("fdSlicer.read", function(done) {
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fs.open(testBlobFile, 'r', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd);
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var outBuf = new Buffer(1024);
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slicer.read(outBuf, 0, 10, 0, function(err, bytesRead, buf) {
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assert.strictEqual(bytesRead, 10);
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fs.close(fd, done);
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});
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});
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});
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it("fdSlicer.write", function(done) {
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fs.open(testOutBlobFile, 'w', function(err, fd) {
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if (err) return done(err);
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var slicer = fdSlicer.createFromFd(fd);
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slicer.write(new Buffer("blah\n"), 0, 5, 0, function() {
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if (err) return done(err);
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fs.close(fd, done);
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});
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});
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});
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});
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describe("BufferSlicer", function() {
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it("invalid ref", function() {
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var slicer = fdSlicer.createFromBuffer(new Buffer(16));
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slicer.ref();
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slicer.unref();
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assert.throws(function() {
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slicer.unref();
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}, /invalid unref/);
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});
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it("read and write", function(done) {
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var buf = new Buffer("through the tangled thread the needle finds its way");
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var slicer = fdSlicer.createFromBuffer(buf);
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var outBuf = new Buffer(1024);
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slicer.read(outBuf, 10, 11, 8, function(err) {
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if (err) return done(err);
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assert.strictEqual(outBuf.toString('utf8', 10, 21), "the tangled");
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slicer.write(new Buffer("derp"), 0, 4, 7, function(err) {
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if (err) return done(err);
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assert.strictEqual(buf.toString('utf8', 7, 19), "derp tangled");
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done();
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});
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});
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});
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it("createReadStream", function(done) {
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var str = "I never conquered rarely came, 16 just held such better days";
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var buf = new Buffer(str);
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var slicer = fdSlicer.createFromBuffer(buf);
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var inStream = slicer.createReadStream();
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var sink = new StreamSink();
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inStream.pipe(sink);
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sink.on('finish', function() {
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assert.strictEqual(sink.toString(), str);
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inStream.destroy();
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done();
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});
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});
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it("createWriteStream exceed buffer size", function(done) {
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var slicer = fdSlicer.createFromBuffer(new Buffer(4));
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var outStream = slicer.createWriteStream();
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outStream.on('error', function(err) {
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assert.strictEqual(err.code, 'ETOOBIG');
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done();
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});
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outStream.write("hi!\n");
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outStream.write("it warked\n");
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outStream.end();
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});
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it("createWriteStream ok", function(done) {
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var buf = new Buffer(1024);
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var slicer = fdSlicer.createFromBuffer(buf);
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var outStream = slicer.createWriteStream();
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outStream.on('finish', function() {
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assert.strictEqual(buf.toString('utf8', 0, "hi!\nit warked\n".length), "hi!\nit warked\n");
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outStream.destroy();
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done();
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});
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outStream.write("hi!\n");
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outStream.write("it warked\n");
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outStream.end();
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});
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});
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