bench: add simple benchmarks

Author: dougwilson

.travis.yml

@@ -20,6 +20,8 @@ cache:
 before_install:
   # Skip updating shrinkwrap / lock
   - "npm config set shrinkwrap false"
+  # Remove all non-test dependencies
+  - "npm rm --save-dev benchmark beautify-benchmark"
   # Setup Node.js version-specific dependencies
   - "test $TRAVIS_NODE_VERSION != '0.6' || npm rm --save-dev nyc"
   - "test $TRAVIS_NODE_VERSION != '0.8' || npm rm --save-dev nyc"

benchmark/escape.js

@@ -0,0 +1,76 @@
+var benchmark  = require('benchmark');
+var benchmarks = require('beautify-benchmark');
+
+global.SqlString = require('..');
+
+global.arr  = [ 42, 'foobar' ];
+global.buf  = new Buffer('foobar');
+global.date = new Date(0);
+global.func = { toSqlString: function () { return 'NOW()'; } };
+global.num  = 42;
+global.obj  = { foo: 'bar' };
+global.str  = 'foobar';
+
+var suite = new benchmark.Suite();
+
+suite.add({
+  name       : 'array',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escape(arr);'
+});
+
+suite.add({
+  name       : 'boolean',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escape(true);'
+});
+
+suite.add({
+  name       : 'date',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escape(date);'
+});
+
+suite.add({
+  name       : 'function',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escape(func);'
+});
+
+suite.add({
+  name       : 'null',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escape(null);'
+});
+
+suite.add({
+  name       : 'number',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escape(num);'
+});
+
+suite.add({
+  name       : 'object',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escape(obj);'
+});
+
+suite.add({
+  name       : 'string',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escape(str);'
+});
+
+suite.on('start', function onCycle() {
+  process.stdout.write('  escape\n\n');
+});
+
+suite.on('cycle', function onCycle(event) {
+  benchmarks.add(event.target);
+});
+
+suite.on('complete', function onComplete() {
+  benchmarks.log();
+});
+
+suite.run({async: false});

benchmark/escapeId.js

@@ -0,0 +1,38 @@
+var benchmark  = require('benchmark');
+var benchmarks = require('beautify-benchmark');
+
+global.SqlString = require('..');
+
+var suite = new benchmark.Suite();
+
+suite.add({
+  name       : '"col"',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escapeId("col");'
+});
+
+suite.add({
+  name       : '"tbl.col"',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escapeId("tbl.col");'
+});
+
+suite.add({
+  name       : '["col1", "col2"]',
+  minSamples : 100,
+  fn         : 'var val = SqlString.escapeId(["col1", "col2"]);'
+});
+
+suite.on('start', function onCycle() {
+  process.stdout.write('  escapeId\n\n');
+});
+
+suite.on('cycle', function onCycle(event) {
+  benchmarks.add(event.target);
+});
+
+suite.on('complete', function onComplete() {
+  benchmarks.log();
+});
+
+suite.run({async: false});

benchmark/index.js

@@ -0,0 +1,39 @@
+var fs    = require('fs');
+var path  = require('path');
+var spawn = require('child_process').spawn;
+
+var exe = process.argv[0];
+var cwd = process.cwd();
+
+for (var dep in process.versions) {
+  console.log('  %s@%s', dep, process.versions[dep]);
+}
+
+console.log('');
+
+runScripts(fs.readdirSync(__dirname));
+
+function runScripts(fileNames) {
+  var fileName = fileNames.shift();
+
+  if (!fileName) {
+    return;
+  }
+
+  if (!/\.js$/i.test(fileName) || fileName.toLowerCase() === 'index.js') {
+    runScripts(fileNames);
+    return;
+  }
+
+  var fullPath = path.join(__dirname, fileName);
+
+  console.log('> %s %s', exe, path.relative(cwd, fullPath));
+
+  var proc = spawn(exe, [fullPath], {
+    'stdio': 'inherit'
+  });
+
+  proc.on('exit', function () {
+    runScripts(fileNames);
+  });
+}

package.json

@@ -18,6 +18,8 @@
   ],
   "repository": "mysqljs/sqlstring",
   "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
     "eslint": "4.7.2",
     "eslint-plugin-markdown": "1.0.0-beta.6",
     "nyc": "10.3.2",
@@ -35,6 +37,7 @@
     "node": ">= 0.6"
   },
   "scripts": {
+    "bench": "node benchmark/index.js",
     "lint": "eslint --plugin markdown --ext js,md .",
     "test": "node test/run.js",
     "test-ci": "nyc --reporter=text npm test",