glayzzle#95 add a generic performance test

Author: ichiriac

test/perfTests.js

@@ -0,0 +1,121 @@
+var should = require("should");
+var parser = require('./main');
+
+describe('Performance tests', function() {
+
+  var code = [
+    '<?php',
+    'class foo extends bar {',
+    '  const A = 1, B = 2, C = 3;',
+    '  protected $foo = null;',
+    '  public function __construct($a, $b, $c, array $d = []) {',
+    '    echo $a . $b . $c . implode(";", $d);',
+    '  }',
+    '  static public function bar(): foo {',
+    '    return new self(1, 2, 3);',
+    '  }',
+    '}'
+  ].join('\n');
+
+  it('tokenizer', function() {
+    var reader = new parser();
+    var tokSize = reader.tokenGetAll(code).length;
+    var hrTime = process.hrtime();
+    var iter = 1000;
+    var start = hrTime[0] * 1000000 + hrTime[1] / 1000;
+    for(var i = 0; i < iter; i++) {
+      reader.tokenGetAll(code);
+    }
+    hrTime = process.hrtime();
+    var end = hrTime[0] * 1000000 + hrTime[1] / 1000;
+    var duration = (end - start) / 1000; // in MS
+    var speed = 1000 / duration * (tokSize * iter);
+    speed.should.be.greaterThan(10e5 * 0.8);
+
+    if (speed > 1000) {
+      speed = speed / 1000;
+      if (speed > 1000) {
+        speed = speed / 1000;
+        speed = (Math.round(speed * 100) / 100) + 'M';
+      } else {
+        speed = (Math.round(speed * 100) / 100) + 'K';
+      }
+    }
+    console.log('    + Tokens speed  => ' + speed + '/sec'); 
+
+    speed = 1000 / duration * (code.length * iter);
+    speed.should.be.greaterThan(10e5 * 2 * 0.8);
+
+    if (speed > 1024) {
+      speed = speed / 1024;
+      if (speed > 1024) {
+        speed = speed / 1024;
+        speed = (Math.round(speed * 100) / 100) + 'M';
+      } else {
+        speed = (Math.round(speed * 100) / 100) + 'K';
+      }
+    }
+    console.log('    + Reading speed => ' + speed + '/sec'); 
+  });
+
+  it('parser', function() {
+    var reader = new parser();
+    var nodeSize = 0;
+    var countNode = function(node) {
+      nodeSize ++;
+      for(var k in node) {
+        if (node[k]) {
+          if (node[k].kind) {
+            countNode(node[k]);
+          } else if (Array.isArray(node[k])) {
+            for(var i = 0; i < node[k].length; i++) {
+              if (node[k][i].kind) {
+                countNode(node[k][i]);
+              }
+            }
+          }  
+        }
+      }
+    };
+    countNode(reader.parseCode(code));
+
+    var hrTime = process.hrtime();
+    var iter = 1000;
+    var start = hrTime[0] * 1000000 + hrTime[1] / 1000;
+    for(var i = 0; i < iter; i++) {
+      reader.parseCode(code);
+    }
+    hrTime = process.hrtime();
+    var end = hrTime[0] * 1000000 + hrTime[1] / 1000;
+    var duration = (end - start) / 1000; // in MS
+    var speed = 1000 / duration * (nodeSize * iter);
+    speed.should.be.greaterThan(10e4);
+
+    if (speed > 1000) {
+      speed = speed / 1000;
+      if (speed > 1000) {
+        speed = speed / 1000;
+        speed = (Math.round(speed * 100) / 100) + 'M';
+      } else {
+        speed = (Math.round(speed * 100) / 100) + 'K';
+      }
+    }
+    console.log('    + Nodes speed  => ' + speed + '/sec'); 
+
+    speed = 1000 / duration * (code.length * iter);
+    speed.should.be.greaterThan(10e5 * 1 * 0.8);
+
+    if (speed > 1024) {
+      speed = speed / 1024;
+      if (speed > 1024) {
+        speed = speed / 1024;
+        speed = (Math.round(speed * 100) / 100) + 'M';
+      } else {
+        speed = (Math.round(speed * 100) / 100) + 'K';
+      }
+    }
+    console.log('    + Overall speed => ' + speed + '/sec'); 
+    
+  });
+
+});