sawtooth-sdk/spec/protobuf/round_trip_test.js

An SDK for interacting with the Hyperledger Sawtooth distributed ledger.

/**
 * Copyright 2016 Intel Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ------------------------------------------------------------------------------
 */

'use strict'

const assert = require('assert')

const { Message } = require('../../protobuf')

describe('ProtoBuf', () => {
  describe('Message', () => {
    it('should correctly round trip with complete fields', () => {
      let encMessage = Message.encode({
        messageType: Message.MessageType.CLIENT_STATE_GET_REQUEST,
        correlationId: 'corr_id',
        content: Buffer.from('Hello', 'utf8')
      }).finish()

      let decMessage = Message.decode(encMessage)

      assert.equal(
        Message.MessageType.CLIENT_STATE_GET_REQUEST,
        decMessage.messageType
      )
      assert.equal('corr_id', decMessage.correlationId)
      assert.equal('Hello', decMessage.content.toString('utf8'))
    })

    it('should correctly round trip with partial fields', () => {
      let encMessage = Message.encode({
        messageType: Message.MessageType.CLIENT_STATE_GET_RESPONSE,
        content: Buffer.from('Hello', 'utf8')
      }).finish()

      let decMessage = Message.decode(encMessage)

      assert.equal(
        Message.MessageType.CLIENT_STATE_GET_RESPONSE,
        decMessage.messageType
      )
      assert.equal('Hello', decMessage.content.toString('utf8'))
      assert.ok(!decMessage.correlationId)
    })
  })
})