Ushio-cn-old/yimian/iot/mqtt/smartfarm/node_modules/level-codec/test/decoder.js

var test = require('tape');
var Codec = require('..');

test('createStreamDecoder', function(t){
  var codec = new Codec({ keyEncoding: 'hex' });

  t.test('keys and values', function(t){
    var decoder = codec.createStreamDecoder({
      valueEncoding: 'json',
      keys: true,
      values: true
    });
    t.deepEqual(decoder(new Buffer('hey'), '"you"'), {
      key: '686579',
      value: 'you'
    });
    t.end();
  });

  t.test('keys', function(t){
    var decoder = codec.createStreamDecoder({
      keys: true
    });
    t.equal(decoder(new Buffer('hey')), '686579');
    t.end();
  });

  t.test('values', function(t){
    var decoder = codec.createStreamDecoder({
      valueEncoding: 'hex',
      values: true
    });
    t.equal(decoder(null, new Buffer('hey')), '686579');
    t.end();
  });
});

test('createStreamDecoder - legacy', function(t){
  var codec = new Codec({ keyEncoding: 'hex' });

  t.test('keys and values', function(t){
    var decoder = codec.createStreamDecoder({
      encoding: 'json',
      keys: true,
      values: true
    });
    t.deepEqual(decoder(new Buffer('hey'), '"you"'), {
      key: '686579',
      value: 'you'
    });
    t.end();
  });

  t.test('keys', function(t){
    var decoder = codec.createStreamDecoder({
      keys: true
    });
    t.equal(decoder(new Buffer('hey')), '686579');
    t.end();
  });

  t.test('values', function(t){
    var decoder = codec.createStreamDecoder({
      encoding: 'hex',
      values: true
    });
    t.equal(decoder(null, new Buffer('hey')), '686579');
    t.end();
  });
});