From fab4ada3c849becede839530d812748064654bd6 Mon Sep 17 00:00:00 2001
From: Misko Hevery
Date: Sat, 19 Mar 2011 09:57:18 +0530
Subject: Created a performance test harness and reporter

---
 .externalToolBuilders/JSTD_perf.launch | 10 +++++
 .project                               | 10 +++++
 jsTestDriver-coverage.conf             |  2 -
 jsTestDriver-jquery.conf               |  2 -
 jsTestDriver-perf.conf                 | 11 +++--
 perf/jsonPerfSpec.js                   | 34 +++++-----------
 perf/testUtils.js                      | 73 ++++++++++++++++++++++++++++------
 test-reset.sh                          |  4 ++
 8 files changed, 103 insertions(+), 43 deletions(-)
 create mode 100644 .externalToolBuilders/JSTD_perf.launch
 create mode 100755 test-reset.sh

diff --git a/.externalToolBuilders/JSTD_perf.launch b/.externalToolBuilders/JSTD_perf.launch
new file mode 100644
index 00000000..abbde2cd
--- /dev/null
+++ b/.externalToolBuilders/JSTD_perf.launch
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.ui.externaltools.ProgramBuilderLaunchConfigurationType">
+<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
+<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_BUILDER_ENABLED" value="false"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_BUILD_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/angular.js/perf&quot; type=&quot;2&quot;/&gt;&#10;&lt;item path=&quot;/angular.js/src&quot; type=&quot;2&quot;/&gt;&#10;&lt;/resources&gt;}"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/angular.js/perf.sh}"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="full,incremental,auto,"/>
+<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/angular.js}"/>
+</launchConfiguration>
diff --git a/.project b/.project
index a5cd3ee0..0577303a 100644
--- a/.project
+++ b/.project
@@ -30,6 +30,16 @@
 				</dictionary>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
+			<triggers>auto,full,incremental,</triggers>
+			<arguments>
+				<dictionary>
+					<key>LaunchConfigHandle</key>
+					<value>&lt;project&gt;/.externalToolBuilders/JSTD_perf.launch</value>
+				</dictionary>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
diff --git a/jsTestDriver-coverage.conf b/jsTestDriver-coverage.conf
index b8989811..2021e740 100644
--- a/jsTestDriver-coverage.conf
+++ b/jsTestDriver-coverage.conf
@@ -24,8 +24,6 @@ load:
 
 exclude:
   - test/jquery_alias.js
-  - src/angular.prefix
-  - src/angular.suffix
   - src/angular-bootstrap.js
   - src/scenario/angular-bootstrap.js
   - src/AngularPublic.js
diff --git a/jsTestDriver-jquery.conf b/jsTestDriver-jquery.conf
index 9ae54022..3926378f 100644
--- a/jsTestDriver-jquery.conf
+++ b/jsTestDriver-jquery.conf
@@ -23,8 +23,6 @@ load:
   - example/personalLog/test/*.js
 
 exclude:
-  - src/angular.prefix
-  - src/angular.suffix
   - src/angular-bootstrap.js
   - src/AngularPublic.js
   - src/scenario/angular-bootstrap.js
diff --git a/jsTestDriver-perf.conf b/jsTestDriver-perf.conf
index 8b0518b3..bf400847 100644
--- a/jsTestDriver-perf.conf
+++ b/jsTestDriver-perf.conf
@@ -3,11 +3,16 @@ server: http://localhost:9876
 load:
   - lib/jasmine-1.0.1/jasmine.js
   - lib/jasmine-jstd-adapter/JasmineAdapter.js
-  - lib/jquery/jquery-1.4.2.js
-  - test/jquery_remove.js
-  - build/angular.min.js
+  - src/Angular.js
+  - src/JSON.js
+  - src/*.js
+  - src/service/*.js
+  - src/angular-mocks.js
   - perf/data/*.js
   - perf/testUtils.js
   - perf/*.js
 
 exclude:
+  - src/angular-bootstrap.js
+  - src/scenario/angular-bootstrap.js
+  - src/AngularPublic.js
diff --git a/perf/jsonPerfSpec.js b/perf/jsonPerfSpec.js
index 01a489e2..edc4b6b2 100644
--- a/perf/jsonPerfSpec.js
+++ b/perf/jsonPerfSpec.js
@@ -1,28 +1,16 @@
 describe('json', function() {
 
   it('angular parser', function() {
-    var duration = time(function() {
-      expect(angular.fromJson(largeJsonString)).toBeTruthy();
-    }, 1);
-
-    dump(duration/1 + ' ms per iteration');
-  });
-
-
-  it('angular delegating to native parser', function() {
-    var duration = time(function() {
-      expect(angular.fromJson(largeJsonString, true)).toBeTruthy();
-    }, 100);
-
-    dump(duration/100 + ' ms per iteration');
-  });
-
-
-  it('native json', function() {
-    var duration = time(function() {
-      expect(JSON.parse(largeJsonString)).toBeTruthy();
-    }, 100);
-
-    dump(duration/100 + ' ms per iteration');
+    perf(
+      function angular() {
+        fromJson(largeJsonString);
+      },
+      function nativeDelegate() {
+        fromJson(largeJsonString, true);
+      },
+      function nativeJSON() {
+        JSON.parse(largeJsonString);
+      }
+    );
   });
 });
diff --git a/perf/testUtils.js b/perf/testUtils.js
index ca016c31..2fc4f8a2 100644
--- a/perf/testUtils.js
+++ b/perf/testUtils.js
@@ -1,20 +1,67 @@
 if (window.jstestdriver) {
   jstd = jstestdriver;
-  dump = angular.bind(jstd.console, jstd.console.log);
+  dump = bind(jstd.console, jstd.console.log);
 }
 
-function time(fn, times) {
-  times = times || 1;
+function time(fn) {
+  var count = 1,
+      targetTime = 500,
+      start = new Date().getTime(),
+      stop = start + targetTime,
+      elapsed,
+      end,
+      iterations,
+      pad = angularFilter.number;
 
-  var i,
-      start,
-      duration = 0;
-
-  for (i=0; i<times; i++) {
-    start = Date.now();
-    fn();
-    duration += Date.now() - start;
+  // do one iteration to guess how long it will take
+  fn();
+  while((end=new Date().getTime()) < stop ){
+    // how much time has elapsed since we started the test
+    elapsed = (end-start) || 1;
+    // guess how many more iterations we need before we reach
+    // the time limit. We do this so that we spend most of our
+    // time in tight loop
+    iterations = Math.ceil(
+        // how much more time we need
+        (targetTime - elapsed)
+        /
+        2 // to prevent overrun guess low
+        /
+        // this is how much the cost is so far per iteration
+        (elapsed / count)
+      );
+    count += iterations;
+    while(iterations--) {
+      fn();
+    }
   }
+  elapsed = end - start;
+  return {
+    count: count,
+    total: elapsed,
+    time: elapsed / count,
+    name: fn.name,
+    msg: '' + pad(elapsed / count, 3)
+      + ' ms [ ' + pad(1 / elapsed * count * 1000, 0) + ' ops/sec ] '
+      + '(' + elapsed + ' ms/' + count + ')'
+  };
+
+}
 
-  return duration;
-}
\ No newline at end of file
+function perf() {
+  var log = [],
+      summary = [],
+      i,
+      baseline,
+      pad = angularFilter.number;
+
+  for (i = 0; i < arguments.length; i++) {
+    var fn = arguments[i];
+    var info = time(fn);
+    if (baseline === undefined) baseline = info.time;
+    summary.push(info.name + ': ' + pad(baseline / info.time, 2) + ' X');
+    log.push('\n        ' + info.name + ': ' + info.msg);
+  }
+  log.unshift(summary.join(' - '));
+  dump(log.join(' '));
+}
diff --git a/test-reset.sh b/test-reset.sh
new file mode 100755
index 00000000..41822fd4
--- /dev/null
+++ b/test-reset.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+tests=$1
+
+java -jar lib/jstestdriver/JsTestDriver.jar --tests all --reset
-- 
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