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node_modules/handle-thing/test/api-test.js 2.83 KB
aaac7fed   liuqimichale   add
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  var assert = require('assert');
  var net = require('net');
  var streamPair = require('stream-pair');
  
  var thing = require('../');
  
  describe('Handle Thing', function() {
    var handle;
    var pair;
    var socket;
  
    [ 'normal', 'lazy' ].forEach(function(mode) {
      describe(mode, function() {
        beforeEach(function() {
          pair = streamPair.create();
          handle = thing.create(mode === 'normal' ? pair.other : null);
          socket = new net.Socket({ handle: handle });
  
          if (mode === 'lazy') {
            setTimeout(function() {
              handle.setStream(pair.other);
            }, 50);
          }
  
          // For v0.8
          socket.readable = true;
          socket.writable = true;
        });
  
        afterEach(function() {
          assert(handle._stream);
        });
  
        it('should write data to Socket', function(done) {
          pair.write('hello');
          pair.write(' world');
          pair.end('... ok');
  
          var chunks = '';
          socket.on('data', function(chunk) {
            chunks += chunk;
          });
          socket.on('end', function() {
            assert.equal(chunks, 'hello world... ok');
  
            // allowHalfOpen is `false`, so the `end` should be followed by `close`
            socket.once('close', function() {
              done();
            });
          });
        });
  
        it('should read data from Socket', function(done) {
          socket.write('hello');
          socket.write(' world');
          socket.end('... ok');
  
          var chunks = '';
          pair.on('data', function(chunk) {
            chunks += chunk;
          });
          pair.on('end', function() {
            assert.equal(chunks, 'hello world... ok');
  
            done();
          });
        });
  
        it('should invoke `close` callback', function(done) {
          handle._options.close = function(callback) {
            done();
            process.nextTick(callback);
          };
  
          pair.end('hello');
          socket.resume();
        });
  
        it('should kill pending requests', function(done) {
          handle._options.close = function() {
            setTimeout(done, 75);
          };
  
          socket.write('hello');
          socket.destroy();
        });
  
        if (mode === 'normal') {
          it('should invoke `getPeerName` callback', function() {
            handle._options.getPeerName = function() {
              return { address: 'ohai' };
            };
  
            assert.equal(socket.remoteAddress, 'ohai');
          });
  
          it('should emit ECONNRESET at `close` event', function(done) {
            pair.other.emit('close');
  
            // No error emitted in v0.8
            if (thing.mode === 'rusty') {
              socket.on('close', function() {
                done();
              });
              return;
            }
  
            socket.on('error', function(err) {
              assert(/ECONNRESET/.test(err.message));
              done();
            });
          });
        }
      });
    });
  });