github action to update benchmarks

.github/workflows/benchmarks.yml

@@ -0,0 +1,42 @@
+name: Node benchmarks
+
+on:
+  schedule:
+    # * is a special character in YAML so you have to quote this string
+    - cron:  '0 0 1 * *'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12
+    - name: run benchmarks
+      run: |
+        npm install
+        npm start y 100 10 40
+    - name: commit benchmarks
+      run: |
+        node_version=$(node --version)
+        benchmark_title=$(cat << EOF
+        # Benchmarks
+        * __Machine:__ $(uname -a) | $(node -r os -p "\`\${os.cpus().length} vCPUs | \${Math.ceil(os.totalmem() / (Math.pow(1024, 3)))}GB\`").
+        * __Method:__ \`autocannon -c 100 -d 40 -p 10 localhost:3000\` (two rounds; one to warm-up, one to measure).
+        * __Node:__ \`$node_version\`
+        * __Run:__ $(date)
+        EOF)
+        benchmark_table=$(node benchmark-compare.js -t -c)
+        strip_readme=$(node -r fs -p 'fs.readFileSync("./README.md", "utf-8").split(/# Benchmarks/)[0]')
+        git checkout master
+        echo -e "${strip_readme:?}\n${benchmark_title:?}\n\n${benchmark_table}" > README.md
+        git add README.md
+        git config user.name 'Github Actions'
+        git config user.email '<>'
+        git commit -m "Add new benchmarks to README.md"
+    - name: push benchmark changes
+      uses: ad-m/github-push-action@master
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -56,4 +56,3 @@ yarn.lock
 package-lock.json
 
 # benchmark results
-results

benchmark-bench.js

@@ -1,12 +1,75 @@
-#!/usr/bin/env node
 'use strict'
 
 const inquirer = require('inquirer')
 const bench = require('./lib/bench')
 const { choices, list } = require('./lib/packages')
+const argv = process.argv.slice(2)
 
-function select (callback) {
-  inquirer.prompt([
+run().catch(err => {
+  console.error(err)
+  process.exit(1)
+})
+
+async function run () {
+  const options = await getBenchmarkOptions()
+  const modules = options.all ? choices : await select(list)
+  return bench(options, modules)
+}
+
+async function getBenchmarkOptions () {
+  if (argv.length) return parseArgv()
+  return inquirer.prompt([
+    {
+      type: 'confirm',
+      name: 'all',
+      message: 'Do you want to run all benchmark tests?',
+      default: false
+    },
+    {
+      type: 'input',
+      name: 'connections',
+      message: 'How many connections do you need?',
+      default: 100,
+      validate (value) {
+        return !Number.isNaN(parseFloat(value)) || 'Please enter a number'
+      },
+      filter: Number
+    },
+    {
+      type: 'input',
+      name: 'pipelining',
+      message: 'How many pipelines do you need?',
+      default: 10,
+      validate (value) {
+        return !Number.isNaN(parseFloat(value)) || 'Please enter a number'
+      },
+      filter: Number
+    },
+    {
+      type: 'input',
+      name: 'duration',
+      message: 'How long should it take?',
+      default: 40,
+      validate (value) {
+        return !Number.isNaN(parseFloat(value)) || 'Please enter a number'
+      },
+      filter: Number
+    }
+  ])
+}
+
+function parseArgv () {
+  const [all, connections, pipelining, duration] = argv
+  return {
+    all: all === 'y',
+    connections: +connections,
+    pipelining: +pipelining,
+    duration: +duration
+  }
+}
+
+async function select () {
+  const result = await inquirer.prompt([
     {
       type: 'checkbox',
       message: 'Select packages',
@@ -25,52 +88,5 @@ function select (callback) {
       }
     }
   ])
-    .then(function (answers) {
-      callback(answers.list)
-    })
+  return result.list
 }
-
-inquirer.prompt([
-  {
-    type: 'confirm',
-    name: 'all',
-    message: 'Do you want to run all benchmark tests?',
-    default: false
-  },
-  {
-    type: 'input',
-    name: 'connections',
-    message: 'How many connections do you need?',
-    default: 100,
-    validate (value) {
-      return !Number.isNaN(parseFloat(value)) || 'Please enter a number'
-    },
-    filter: Number
-  },
-  {
-    type: 'input',
-    name: 'pipelining',
-    message: 'How many pipelines do you need?',
-    default: 10,
-    validate (value) {
-      return !Number.isNaN(parseFloat(value)) || 'Please enter a number'
-    },
-    filter: Number
-  },
-  {
-    type: 'input',
-    name: 'duration',
-    message: 'How long should it take?',
-    default: 40,
-    validate (value) {
-      return !Number.isNaN(parseFloat(value)) || 'Please enter a number'
-    },
-    filter: Number
-  }
-]).then((opts) => {
-  if (!opts.all) {
-    select(list => bench(opts, list))
-  } else {
-    bench(opts, choices)
-  }
-})

benchmark-compare.js

@@ -51,7 +51,7 @@ if (!choices.length) {
     head: ['', 'Router', 'Requests/s', 'Latency', 'Throughput/Mb']
   })
   if (commander.commandlineMdTable) {
-    table.push([':--', '--:', ':-:', '--:', '--:', '--:'])
+    table.push([':--', '--:', ':-:', '--:', '--:'])
   }
 
   choices.forEach((result) => {