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2026-07-13 12:06:16 +08:00
commit e3c810b1a6
1690 changed files with 228324 additions and 0 deletions
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+'use strict'
+
+const { test } = require('tape')
+const mq = require('../')
+
+require('../abstractTest')({
+  builder: mq,
+  test
+})
+
+test('queue concurrency', function (t) {
+  t.plan(3)
+
+  const e = mq({ concurrency: 1 })
+  let completed1 = false
+
+  t.equal(e.concurrency, 1)
+
+  e.on('hello 1', function (message, cb) {
+    setTimeout(cb, 10)
+  })
+
+  e.on('hello 2', function (message, cb) {
+    cb()
+  })
+
+  e.emit({ topic: 'hello 1' }, function () {
+    completed1 = true
+  })
+
+  e.emit({ topic: 'hello 2' }, function () {
+    t.ok(completed1, 'the first message must be completed')
+  })
+
+  t.equal(e.length, 1)
+})
+
+test('queue released when full', function (t) {
+  t.plan(21)
+
+  const e = mq({ concurrency: 1 })
+
+  e.on('hello 1', function (message, cb) {
+    t.ok(true, 'message received')
+    setTimeout(cb, 10)
+  })
+
+  function onSent () {
+    t.ok(true, 'message sent')
+  }
+
+  for (let i = 0; i < 9; i++) {
+    e._messageQueue.push({ topic: 'hello 1' })
+    e._messageCallbacks.push(onSent)
+    e.current++
+  }
+
+  e.emit({ topic: 'hello 1' }, onSent)
+
+  process.once('warning', function (warning) {
+    t.equal(warning.message, 'MqEmitter leak detected', 'warning message')
+  })
+})
+
+test('without any listeners and a callback', function (t) {
+  const e = mq()
+  const expected = {
+    topic: 'hello world',
+    payload: { my: 'message' }
+  }
+
+  e.emit(expected, function () {
+    t.equal(e.current, 1, 'there 1 message that is being processed')
+    e.close(function () {
+      t.end()
+    })
+  })
+})
+
+test('queue concurrency with overlapping subscriptions', function (t) {
+  t.plan(3)
+
+  const e = mq({ concurrency: 1 })
+  let completed1 = false
+
+  t.equal(e.concurrency, 1)
+
+  e.on('000001/021/#', function (message, cb) {
+    setTimeout(cb, 10)
+  })
+
+  e.on('000001/021/000B/0001/01', function (message, cb) {
+    setTimeout(cb, 20)
+  })
+
+  e.emit({ topic: '000001/021/000B/0001/01' }, function () {
+    completed1 = true
+  })
+
+  e.emit({ topic: '000001/021/000B/0001/01' }, function () {
+    t.ok(completed1, 'the first message must be completed')
+    process.nextTick(function () {
+      t.equal(e.current, 0, 'no message is in flight')
+    })
+  })
+})
+
+test('removeListener without a callback does not throw', function (t) {
+  const e = mq()
+  function fn () {}
+
+  e.on('hello', fn)
+  e.removeListener('hello', fn)
+
+  t.end()
+})
+
+test('removeAllListeners removes listeners', function (t) {
+  const e = mq()
+
+  e.on('hello', function () {
+    t.fail('listener called')
+  })
+
+  e.removeAllListeners('hello', function () {
+    e.emit({ topic: 'hello' }, function () {
+      t.end()
+    })
+  })
+})
+
+test('removeAllListeners without a callback does not throw', function (t) {
+  const e = mq()
+  function fn () {}
+
+  e.on('hello', fn)
+  e.removeAllListeners('hello')
+
+  t.end()
+})
+
+test('set defaults to opts', function (t) {
+  const opts = {}
+  mq(opts)
+
+  t.deepEqual(opts, {
+    matchEmptyLevels: true,
+    separator: '/',
+    wildcardOne: '+',
+    wildcardSome: '#'
+  })
+
+  t.end()
+})
+
+test('removeListener inside messageHandler', function (t) {
+  t.plan(3)
+
+  const e = mq()
+
+  function messageHandler1 (message, cb) {
+    t.ok(true, 'messageHandler1 called')
+    // removes itself
+    e.removeListener('hello', messageHandler1)
+    cb()
+  }
+
+  e.on('hello', messageHandler1)
+
+  function messageHandler2 (message, cb) {
+    t.ok(true, 'messageHandler2 called')
+    cb()
+  }
+
+  e.on('hello', messageHandler2)
+
+  e.emit({ topic: 'hello' }, function () {
+    t.ok(true, 'emit callback received')
+  })
+})