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