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2026-07-13 12:06:16 +08:00
commit e3c810b1a6
1690 changed files with 228324 additions and 0 deletions
@@ -0,0 +1,166 @@
+'use strict'
+
+const { test } = require('tap')
+const Packet = require('./')
+
+test('Packet defaults - PUBLISH, QoS 0', function (t) {
+  const instance = new Packet({})
+  t.equal(instance.cmd, 'publish')
+  t.equal(instance.brokerId, undefined)
+  t.equal(instance.brokerCounter, 0)
+  t.equal(instance.topic, undefined)
+  t.same(instance.payload, Buffer.alloc(0))
+  t.equal(instance.qos, 0)
+  t.equal(instance.dup, false)
+  t.equal(instance.retain, false)
+  t.notOk(Object.prototype.hasOwnProperty.call(instance, 'messageId'))
+  t.end()
+})
+
+test('Packet defaults - PUBREL, QoS 0', function (t) {
+  const instance = new Packet({ cmd: 'pubrel' })
+  t.equal(instance.cmd, 'pubrel')
+  t.equal(instance.brokerId, undefined)
+  t.equal(instance.brokerCounter, 0)
+  t.equal(instance.topic, undefined)
+  t.same(instance.payload, Buffer.alloc(0))
+  t.equal(instance.qos, 0)
+  t.equal(instance.dup, false)
+  t.equal(instance.retain, false)
+  t.ok(Object.prototype.hasOwnProperty.call(instance, 'messageId'))
+  t.equal(instance.messageId, undefined)
+  t.end()
+})
+
+test('Packet defaults - PUBLISH, QoS 1', function (t) {
+  const instance = new Packet({ qos: 1 })
+  t.equal(instance.cmd, 'publish')
+  t.equal(instance.brokerId, undefined)
+  t.equal(instance.brokerCounter, 0)
+  t.equal(instance.topic, undefined)
+  t.same(instance.payload, Buffer.alloc(0))
+  t.equal(instance.qos, 1)
+  t.equal(instance.dup, false)
+  t.equal(instance.retain, false)
+  t.ok(Object.prototype.hasOwnProperty.call(instance, 'messageId'))
+  t.equal(instance.messageId, undefined)
+  t.end()
+})
+
+test('Packet defaults - PUBLISH, dup=true', function (t) {
+  const instance = new Packet({ dup: true })
+  t.equal(instance.cmd, 'publish')
+  t.equal(instance.brokerId, undefined)
+  t.equal(instance.brokerCounter, 0)
+  t.equal(instance.topic, undefined)
+  t.same(instance.payload, Buffer.alloc(0))
+  t.equal(instance.qos, 0)
+  t.equal(instance.dup, true)
+  t.equal(instance.retain, false)
+  t.equal(instance.messageId, undefined)
+  t.end()
+})
+
+test('Packet copies over most data', function (t) {
+  const original = {
+    cmd: 'pubrel',
+    brokerId: 'A56c',
+    brokerCounter: 42,
+    topic: 'hello',
+    payload: 'world',
+    qos: 2,
+    dup: true,
+    retain: true,
+    messageId: 24
+  }
+  const instance = new Packet(original)
+  const expected = {
+    cmd: 'pubrel',
+    brokerId: 'A56c',
+    brokerCounter: 42,
+    topic: 'hello',
+    payload: 'world',
+    qos: 2,
+    dup: true,
+    retain: true
+  }
+
+  t.ok(Object.prototype.hasOwnProperty.call(instance, 'messageId'))
+  t.equal(instance.messageId, undefined)
+  delete instance.messageId
+  t.same(instance, expected)
+  t.end()
+})
+
+test('Packet fills in broker data', function (t) {
+  const broker = {
+    id: 'A56c',
+    counter: 41
+  }
+  const original = {
+    cmd: 'pubrel',
+    topic: 'hello',
+    payload: 'world',
+    qos: 2,
+    retain: true,
+    messageId: 24
+  }
+  const instance = new Packet(original, broker)
+  const expected = {
+    cmd: 'pubrel',
+    brokerId: 'A56c',
+    brokerCounter: 42,
+    topic: 'hello',
+    payload: 'world',
+    qos: 2,
+    dup: false,
+    retain: true
+  }
+
+  t.ok(Object.prototype.hasOwnProperty.call(instance, 'messageId'))
+  t.equal(instance.messageId, undefined)
+  delete instance.messageId
+  t.same(instance, expected)
+  t.end()
+})
+
+test('Packet copies clientId and nl if they exist', function (t) {
+  const original = {
+    clientId: 'client-id',
+    nl: false
+  }
+  const instance = new Packet(original)
+  const expected = {
+    clientId: 'client-id',
+    nl: false,
+    cmd: 'publish',
+    brokerId: undefined,
+    brokerCounter: 0,
+    topic: undefined,
+    payload: Buffer.alloc(0),
+    qos: 0,
+    dup: false,
+    retain: false
+  }
+
+  t.same(instance, expected)
+  t.end()
+})
+
+test('Packet does not copy clientId and nl if they dont exist', function (t) {
+  const original = {}
+  const instance = new Packet(original)
+  const expected = {
+    cmd: 'publish',
+    brokerId: undefined,
+    brokerCounter: 0,
+    topic: undefined,
+    payload: Buffer.alloc(0),
+    qos: 0,
+    dup: false,
+    retain: false
+  }
+
+  t.same(instance, expected)
+  t.end()
+})