Merge pull request #214 from juliandescottes/feature-add-tests

Feature add tests

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - 0.8
+  - 0.10
 before_install:
   - npm update -g npm
   - npm install -g grunt-cli

Gruntfile.js

@@ -10,27 +10,48 @@
  *       If you run this task locally, it may require some env set up first.
  */
 
-var SOURCE_FOLDER = "src";
 
 module.exports = function(grunt) {
   var dateFormat = require('dateformat');
   var now = new Date();
   var version = '-' + dateFormat(now, "yyyy-mm-dd-hh-MM");
 
-  var mapToSrcFolder = function (path) {return [SOURCE_FOLDER, path].join('/');};
+  var mapToSrcFolder = function (path) {
+    return "src/" + path;
+  };
 
-  var piskelScripts = require('./src/piskel-script-list.js').scripts.map(mapToSrcFolder);
+  var piskelScripts = require('./src/piskel-script-list.js').scripts.map(mapToSrcFolder).filter(function (path) {
+    return path.indexOf('devtools') === -1;
+  });
   var piskelStyles = require('./src/piskel-style-list.js').styles.map(mapToSrcFolder);
 
-  var getGhostConfig = function (delay) {
+  var mapToCasperFolder = function (path) {
+    return "test/casperjs/" + path;
+  };
+
+  var casperEnvironments = {
+    'local' : {
+      suite : './test/casperjs/LocalTestSuite.js',
+      delay : 50
+    },
+    'travis' : {
+      suite : './test/casperjs/TravisTestSuite.js',
+      delay : 5000
+    }
+  };
+
+  var getCasperConfig = function (env) {
+    var conf = casperEnvironments[env];
+    var tests = require(conf.suite).tests.map(mapToCasperFolder);
     return {
-      filesSrc : ['test/integration/casperjs/*_test.js'],
+      filesSrc : tests,
       options : {
         args : {
-          baseUrl : 'http://localhost:' + '<%= connect.test.options.port %>/src/',
+          baseUrl : 'http://localhost:' + '<%= express.test.options.port %>/',
           mode : '?debug',
-          delay : delay
+          delay : conf.delay
         },
+        async : false,
         direct : false,
         logLevel : 'info',
         printCommand : false,
@@ -39,6 +60,23 @@ module.exports = function(grunt) {
     };
   };
 
+  var getExpressConfig = function (source, port, host) {
+    var bases;
+    if (typeof source === 'string') {
+      bases = [source];
+    } else if (Array.isArray(source)) {
+      bases = source;
+    }
+
+    return {
+      options: {
+        port: port,
+        hostname : host || 'localhost',
+        bases: bases
+      }
+    };
+  };
+
   grunt.initConfig({
     clean: {
       before: ['dest'],
@@ -62,29 +100,10 @@ module.exports = function(grunt) {
         '!src/js/lib/**/*.js' // Exclude lib folder (note the leading !)
       ]
     },
-    connect : {
-      test : {
-        options : {
-          base : '.',
-          port : 4321
-        }
-      }
-    },
     express: {
-      regular: {
-        options: {
-          port: 9001,
-          hostname : 'localhost',
-          bases: ['dest']
-        }
-      },
-      debug: {
-        options: {
-          port: 9901,
-          hostname : 'localhost',
-          bases: ['src']
-        }
-      }
+      test: getExpressConfig(['src', 'test'], 9991),
+      regular: getExpressConfig('dest', 9001),
+      debug: getExpressConfig(['src', 'test'], 9901)
     },
     open : {
       regular : {
@@ -105,8 +124,8 @@ module.exports = function(grunt) {
       }
     },
     ghost : {
-      'default' : getGhostConfig(5000),
-      local : getGhostConfig(50)
+      'travis' : getCasperConfig('travis'),
+      'local' : getCasperConfig('local')
     },
     concat : {
       js : {
@@ -236,6 +255,11 @@ module.exports = function(grunt) {
         dest: 'build/closure/closure_compiled_binary.js'
       }
     },
+    karma: {
+      unit: {
+        configFile: 'karma.conf.js'
+      }
+    },
     nodewebkit: {
       options: {
         build_dir: './dest/desktop/', // destination folder of releases.
@@ -262,7 +286,6 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-closure-tools');
   grunt.loadNpmTasks('grunt-contrib-clean');
   grunt.loadNpmTasks('grunt-contrib-concat');
-  grunt.loadNpmTasks('grunt-contrib-connect');
   grunt.loadNpmTasks('grunt-contrib-copy');
   grunt.loadNpmTasks('grunt-contrib-jshint');
   grunt.loadNpmTasks('grunt-contrib-uglify');
@@ -271,6 +294,7 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-replace');
   grunt.loadNpmTasks('grunt-ghost');
   grunt.loadNpmTasks('grunt-open');
+  grunt.loadNpmTasks('grunt-karma');
   grunt.loadNpmTasks('grunt-leading-indent');
   grunt.loadNpmTasks('grunt-node-webkit-builder');
   grunt.loadNpmTasks('grunt-contrib-copy');
@@ -278,11 +302,17 @@ module.exports = function(grunt) {
   // Validate
   grunt.registerTask('lint', ['leadingIndent:jsFiles', 'leadingIndent:cssFiles', 'jshint']);
 
-  // Validate & Test
-  grunt.registerTask('test', ['lint', 'compile', 'connect:test', 'ghost:default']);
+  // karma/unit-tests task
+  grunt.registerTask('unit-test', ['karma']);
 
+  // Validate & Test
+  grunt.registerTask('test-travis', ['lint', 'compile', 'unit-test', 'express:test', 'ghost:travis']);
   // Validate & Test (faster version) will NOT work on travis !!
-  grunt.registerTask('precommit', ['lint', 'compile', 'connect:test', 'ghost:local']);
+  grunt.registerTask('test-local', ['lint', 'compile', 'unit-test', 'express:test', 'ghost:local']);
+
+  grunt.registerTask('test', ['test-travis']);
+  grunt.registerTask('precommit', ['test-local']);
+
 
   // Compile JS code (eg verify JSDoc annotation and types, no actual minified code generated).
   grunt.registerTask('compile', ['closureCompiler:compile', 'clean:after']);

karma.conf.js

@@ -0,0 +1,67 @@
+// Karma configuration
+// Generated on Tue Jul 22 2014 23:49:26 GMT+0200 (Romance Daylight Time)
+
+module.exports = function(config) {
+
+  var mapToSrcFolder = function (path) {return ['src', path].join('/');};
+
+  var piskelScripts = require('./src/piskel-script-list.js').scripts.map(mapToSrcFolder);
+  piskelScripts.push('test/js/**/*.js');
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['jasmine'],
+
+
+    // list of files / patterns to load in the browser
+    files: piskelScripts,
+
+
+    // list of files to exclude
+    exclude: [],
+
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+    },
+
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['progress'],
+
+
+    // web server port
+    port: 9876,
+
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: true,
+
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['PhantomJS'],
+
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: true
+  });
+};

misc/scripts/package-windows-executable.cmd

@@ -12,34 +12,14 @@ SETLOCAL
   set APP_BIN="%PISKEL_HOME%\dest\desktop\cache\win\0.9.2"
   set MISC_FOLDER=%PISKEL_HOME%\misc
   set RELEASES_FOLDER=%PISKEL_HOME%\dest\desktop\releases
-  set DEST_FOLDER=%RELEASES_FOLDER%\win
+  set DEST_FOLDER=%RELEASES_FOLDER%\piskel\win\piskel
 
-  ECHO "Building Piskel executable for Windows ..."
-
-  ECHO "Creating release directory ..."
-    MKDIR "%DEST_FOLDER%"
-  ECHO "DONE"
-
-  ECHO "Packaging executable ..."
-    COPY /b "%APP_BIN%\nw.exe"+"%RELEASES_FOLDER%\piskel\piskel.nw" "%DEST_FOLDER%\piskel-raw.exe"
-  ECHO "DONE"
-
-  ECHO "COPYing dependencies ..."
-    COPY "%APP_BIN%\*.dll" "%DEST_FOLDER%\"
-    COPY "%APP_BIN%\nw.pak" "%DEST_FOLDER%\"
-  ECHO "DONE"
 
   ECHO "Updating Piskel icon -- Using Resource Hacker"
-    %RESOURCE_HACKER_PATH%\ResHacker -addoverwrite "%DEST_FOLDER%\piskel-raw.exe", "%DEST_FOLDER%\piskel-exploded.exe", "%MISC_FOLDER%\desktop\logo.ico", ICONGROUP, IDR_MAINFRAME, 1033
-    DEL "%DEST_FOLDER%\piskel-raw.exe"
+    %RESOURCE_HACKER_PATH%\ResHacker -addoverwrite "%DEST_FOLDER%\piskel.exe", "%DEST_FOLDER%\piskel-logo.exe", "%MISC_FOLDER%\desktop\logo.ico", ICONGROUP, IDR_MAINFRAME, 1033
+    DEL "%DEST_FOLDER%\piskel.exe"
   ECHO "DONE"
 
-  ECHO "Boxing application to single file -- Using Enigma Virtual Box"
-    %VBOX_PATH%\enigmavbconsole "%MISC_FOLDER%\desktop\package-piskel.evb"
-    DEL "%DEST_FOLDER%\*.dll"
-    DEL "%DEST_FOLDER%\nw.pak"
-    DEL "%DEST_FOLDER%\piskel-exploded.exe"
-  ECHO "DONE"
 
   PAUSE
   explorer "%DEST_FOLDER%\"

package.json

@@ -3,7 +3,7 @@
   "name": "piskel",
   "main": "./dest/index.html",
   "description": "Web based 2d animations editor",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "homepage": "http://github.com/juliandescottes/piskel",
   "repository": {
     "type": "git",
@@ -14,23 +14,27 @@
     "start": "nodewebkit"
   },
   "devDependencies": {
-    "grunt": "~0.4.1",
+    "dateformat": "1.0.8-1.2.3",
+    "grunt": "~0.4.5",
+    "grunt-closure-tools": "~0.9.7",
     "grunt-contrib-clean": "0.5.0",
-    "grunt-contrib-connect": "0.3.0",
-    "grunt-contrib-concat": "0.1.2",
+    "grunt-contrib-concat": "0.5.0",
     "grunt-contrib-copy": "0.5.0",
-    "grunt-contrib-jshint": "0.5.4",
-    "grunt-contrib-uglify": "0.2.2",
+    "grunt-contrib-jshint": "0.10.0",
+    "grunt-contrib-uglify": "0.5.0",
     "grunt-contrib-watch": "0.6.1",
-    "grunt-express": "1.0",
-    "grunt-replace": "0.7.8",
-    "grunt-ghost": "1.0.12",
-    "grunt-open": "0.2.3",
+    "grunt-express": "1.4.1",
+    "grunt-ghost": "1.1.0",
     "grunt-leading-indent": "0.1.0",
-    "grunt-closure-tools": "~0.8.3",
-    "grunt-node-webkit-builder": "0.1.19",
-    "nodewebkit": "0.8.4",
-    "dateformat" : "1.0.8-1.2.3"
+    "grunt-node-webkit-builder": "0.1.21",
+    "grunt-open": "0.2.3",
+    "grunt-replace": "0.7.8",
+    "grunt-karma": "~0.8.2",
+    "karma": "0.12.17",
+    "karma-chrome-launcher": "^0.1.4",
+    "karma-phantomjs-launcher": "^0.1.4",
+    "karma-jasmine": "^0.1.5",
+    "nodewebkit": "~0.10.1"
   },
   "window": {
     "title": "Piskel",

src/js/Constants.js

@@ -69,5 +69,8 @@ var Constants = {
   MOUSEMOVE_THROTTLING : 10,
 
   ABSTRACT_FUNCTION : function () {throw 'abstract method should be implemented';},
-  EMPTY_FUNCTION : function () {}
+  EMPTY_FUNCTION : function () {},
+
+  // TESTS
+  DRAWING_TEST_FOLDER : 'drawing'
 };

src/js/Events.js

@@ -2,6 +2,8 @@
 var Events = {
 
   TOOL_SELECTED : "TOOL_SELECTED",
+  SELECT_TOOL : "SELECT_TOOL",
+
   TOOL_RELEASED : "TOOL_RELEASED",
   SELECT_PRIMARY_COLOR: "SELECT_PRIMARY_COLOR",
   SELECT_SECONDARY_COLOR: "SELECT_SECONDARY_COLOR",
@@ -47,5 +49,12 @@ var Events = {
 
   ZOOM_CHANGED : "ZOOM_CHANGED",
 
-  CURRENT_COLORS_UPDATED : "CURRENT_COLORS_UPDATED"
+  CURRENT_COLORS_UPDATED : "CURRENT_COLORS_UPDATED",
+
+  MOUSE_EVENT : "MOUSE_EVENT",
+
+  // Tests
+  TEST_RECORD_END : "TEST_RECORD_END",
+  TEST_CASE_END : "TEST_CASE_END",
+  TEST_SUITE_END : "TEST_SUITE_END"
 };

src/js/app.js

@@ -29,8 +29,8 @@
 
       var layer = new pskl.model.Layer("Layer 1");
       var frame = new pskl.model.Frame(size.width, size.height);
-      layer.addFrame(frame);
 
+      layer.addFrame(frame);
       piskel.addLayer(layer);
 
       this.corePiskelController = new pskl.controller.piskel.PiskelController(piskel);
@@ -115,7 +115,6 @@
       }
       this.storageService.init();
 
-
       var drawingLoop = new pskl.rendering.DrawingLoop();
       drawingLoop.addCallback(this.render, this);
       drawingLoop.start();
@@ -126,6 +125,10 @@
       if (piskelData && piskelData.piskel) {
         this.loadPiskel_(piskelData.piskel, piskelData.descriptor, piskelData.fps);
       }
+
+      if (pskl.devtools) {
+        pskl.devtools.init();
+      }
     },
 
     loadPiskel_ : function (serializedPiskel, descriptor, fps) {

src/js/controller/DrawingController.js

@@ -134,8 +134,9 @@
    * @private
    */
   ns.DrawingController.prototype.onMousedown_ = function (event) {
+    $.publish(Events.MOUSE_EVENT, [event, this]);
     var frame = this.piskelController.getCurrentFrame();
-    var coords = this.renderer.getCoordinates(event.clientX, event.clientY);
+    var coords = this.getSpriteCoordinates(event.clientX, event.clientY);
 
     if (event.button === Constants.MIDDLE_BUTTON) {
       if (frame.containsPixel(coords.x, coords.y)) {
@@ -204,10 +205,11 @@
   };
 
   ns.DrawingController.prototype.moveTool_ = function (x, y, event) {
-    var coords = this.renderer.getCoordinates(x, y);
+    var coords = this.getSpriteCoordinates(x, y);
     var currentFrame = this.piskelController.getCurrentFrame();
 
     if (this.isClicked) {
+      $.publish(Events.MOUSE_EVENT, [event, this]);
       // Warning : do not call setCurrentButton here
       // mousemove do not have the correct mouse button information on all browsers
       this.currentToolBehavior.moveToolAt(
@@ -248,6 +250,7 @@
    */
   ns.DrawingController.prototype.onMouseup_ = function (event) {
     if(this.isClicked) {
+      $.publish(Events.MOUSE_EVENT, [event, this]);
       // A mouse button was clicked on the drawing canvas before this mouseup event,
       // the user was probably drawing on the canvas.
       // Note: The mousemove movement (and the mouseup) may end up outside
@@ -256,7 +259,7 @@
       this.isClicked = false;
       this.setCurrentButton(event);
 
-      var coords = this.renderer.getCoordinates(event.clientX, event.clientY);
+      var coords = this.getSpriteCoordinates(event.clientX, event.clientY);
       this.currentToolBehavior.releaseToolAt(
         coords.x,
         coords.y,
@@ -280,6 +283,10 @@
     return this.renderer.getCoordinates(screenX, screenY);
   };
 
+  ns.DrawingController.prototype.getScreenCoordinates = function(spriteX, spriteY) {
+    return this.renderer.reverseCoordinates(spriteX, spriteY);
+  };
+
   ns.DrawingController.prototype.setCurrentButton = function (event) {
     this.currentMouseButton_ = event.button;
   };

src/js/controller/ToolController.js

@@ -38,6 +38,8 @@
     this.selectTool_(this.tools[0]);
     // Activate listener on tool panel:
     $("#tool-section").mousedown($.proxy(this.onToolIconClicked_, this));
+
+    $.subscribe(Events.SELECT_TOOL, this.onSelectToolEvent_.bind(this));
   };
 
   /**
@@ -54,6 +56,13 @@
     stage.data("selected-tool-class", tool.instance.toolId);
   };
 
+  ns.ToolController.prototype.onSelectToolEvent_ = function(event, toolId) {
+    var tool = this.getToolById_(toolId);
+    if (tool) {
+      this.selectTool_(tool);
+    }
+  };
+
   /**
    * @private
    */

src/js/controller/piskel/PublicPiskelController.js

@@ -47,17 +47,6 @@
     this.duplicateFrameAt(this.getCurrentFrameIndex());
   };
 
-  ns.PublicPiskelController.prototype.raiseSaveStateEvent_ = function (fn, args) {
-    $.publish(Events.PISKEL_SAVE_STATE, {
-      type : pskl.service.HistoryService.REPLAY_NO_SNAPSHOT,
-      scope : this,
-      replay : {
-        fn : fn,
-        args : args
-      }
-    });
-  };
-
   ns.PublicPiskelController.prototype.replay = function (frame, replayData) {
     replayData.fn.apply(this.piskelController, replayData.args);
   };
@@ -141,4 +130,15 @@
     return this.piskelController.piskel;
   };
 
+  ns.PublicPiskelController.prototype.raiseSaveStateEvent_ = function (fn, args) {
+    $.publish(Events.PISKEL_SAVE_STATE, {
+      type : pskl.service.HistoryService.REPLAY_NO_SNAPSHOT,
+      scope : this,
+      replay : {
+        fn : fn,
+        args : args
+      }
+    });
+  };
+
 })();

src/js/controller/settings/ImportController.js

@@ -39,7 +39,10 @@
   };
 
   ns.ImportController.prototype.onOpenPiskelChange_ = function (evt) {
-    this.openPiskelFile_();
+    var files = this.hiddenOpenPiskelInput.get(0).files;
+    if (files.length == 1) {
+      this.openPiskelFile_(files[0]);
+    }
   };
 
   ns.ImportController.prototype.onOpenPiskelClick_ = function (evt) {
@@ -51,19 +54,14 @@
     this.closeDrawer_();
   };
 
-  ns.ImportController.prototype.openPiskelFile_ = function () {
-    var files = this.hiddenOpenPiskelInput.get(0).files;
-    if (files.length == 1) {
-
-      var file = files[0];
-      if (this.isPiskel_(file)){
-        pskl.utils.PiskelFileUtils.loadFromFile(file, function (piskel, descriptor, fps) {
-          piskel.setDescriptor(descriptor);
-          pskl.app.piskelController.setPiskel(piskel);
-          pskl.app.animationController.setFPS(fps);
-        });
-        this.closeDrawer_();
-      }
+  ns.ImportController.prototype.openPiskelFile_ = function (file) {
+    if (this.isPiskel_(file)){
+      pskl.utils.PiskelFileUtils.loadFromFile(file, function (piskel, descriptor, fps) {
+        piskel.setDescriptor(descriptor);
+        pskl.app.piskelController.setPiskel(piskel);
+        pskl.app.animationController.setFPS(fps);
+      });
+      this.closeDrawer_();
     }
   };
 

src/js/controller/settings/PngExportController.js

@@ -30,7 +30,8 @@
     for (var i = 0; i < this.piskelController.getFrameCount(); i++) {
       var frame = this.piskelController.getFrameAt(i);
       var canvas = this.getFrameAsCanvas_(frame);
-      var filename = "sprite_" + (i+1) + ".png";
+      var basename = document.getElementById("zip-file-name").value || "sprite_";
+      var filename =  basename + (i+1) + ".png";
       zip.file(filename, pskl.CanvasUtils.getBase64FromCanvas(canvas) + '\n', {base64: true});
     }
 
@@ -85,4 +86,4 @@
     }
     return url;
   };
-})();
+})();

src/js/devtools/DrawingTestPlayer.js

@@ -0,0 +1,147 @@
+(function () {
+  var ns = $.namespace('pskl.devtools');
+
+  ns.DrawingTestPlayer = function (testRecord, step) {
+    this.initialState = testRecord.initialState;
+    this.events = testRecord.events;
+    this.referencePng = testRecord.png;
+    this.step = step || ns.DrawingTestPlayer.DEFAULT_STEP;
+    this.callbacks = [];
+    this.shim = null;
+  };
+
+  ns.DrawingTestPlayer.DEFAULT_STEP = 50;
+
+  ns.DrawingTestPlayer.prototype.start = function () {
+    this.setupInitialState_();
+    this.createMouseShim_();
+    this.regenerateReferencePng().then(function () {
+      this.playEvent_(0);
+    }.bind(this));
+  };
+
+  ns.DrawingTestPlayer.prototype.setupInitialState_ = function () {
+    var size = this.initialState.size;
+    var piskel = this.createPiskel_(size.width, size.height);
+    pskl.app.piskelController.setPiskel(piskel);
+
+    $.publish(Events.SELECT_PRIMARY_COLOR, [this.initialState.primaryColor]);
+    $.publish(Events.SELECT_SECONDARY_COLOR, [this.initialState.secondaryColor]);
+    $.publish(Events.SELECT_TOOL, [this.initialState.selectedTool]);
+  };
+
+  ns.DrawingTestPlayer.prototype.createPiskel_ = function (width, height) {
+    var descriptor = new pskl.model.piskel.Descriptor('TestPiskel', '');
+    var piskel = new pskl.model.Piskel(width, height, descriptor);
+    var layer = new pskl.model.Layer("Layer 1");
+    var frame = new pskl.model.Frame(width, height);
+
+    layer.addFrame(frame);
+    piskel.addLayer(layer);
+
+    return piskel;
+  };
+
+  ns.DrawingTestPlayer.prototype.regenerateReferencePng = function () {
+    var image = new Image();
+    var then = function () {};
+
+    image.onload = function () {
+      this.referencePng = pskl.CanvasUtils.createFromImage(image).toDataURL();
+      then();
+    }.bind(this);
+    image.src = this.referencePng;
+
+    return {
+      then : function (cb) {
+        then = cb;
+      }
+    };
+  };
+
+  ns.DrawingTestPlayer.prototype.createMouseShim_ = function () {
+    this.shim = document.createElement('DIV');
+    this.shim.style.cssText = 'position:fixed;top:0;left:0;right:0;left:0;bottom:0;z-index:15000';
+    this.shim.addEventListener('mousemove', function (e) {
+      e.stopPropagation();
+      e.preventDefault();
+    }, true);
+    document.body.appendChild(this.shim);
+  };
+
+  ns.DrawingTestPlayer.prototype.removeMouseShim_ = function () {
+    this.shim.parentNode.removeChild(this.shim);
+    this.shim = null;
+  };
+
+  ns.DrawingTestPlayer.prototype.playEvent_ = function (index) {
+    this.timer = window.setTimeout(function () {
+      var recordEvent = this.events[index];
+
+      if (recordEvent.type === 'mouse-event') {
+        this.playMouseEvent_(recordEvent);
+      } else if (recordEvent.type === 'color-event') {
+        this.playColorEvent_(recordEvent);
+      } else if (recordEvent.type === 'tool-event') {
+        this.playToolEvent_(recordEvent);
+      } else if (recordEvent.type === 'instrumented-event') {
+        this.playInstrumentedEvent_(recordEvent);
+      }
+
+      if (this.events[index+1]) {
+        this.playEvent_(index+1);
+      } else {
+        this.onTestEnd_();
+      }
+    }.bind(this), this.step);
+  };
+
+  ns.DrawingTestPlayer.prototype.playMouseEvent_ = function (recordEvent) {
+    var event = recordEvent.event;
+    var screenCoordinates = pskl.app.drawingController.getScreenCoordinates(recordEvent.coords.x, recordEvent.coords.y);
+    event.clientX = screenCoordinates.x;
+    event.clientY = screenCoordinates.y;
+    if (event.type == 'mousedown') {
+      pskl.app.drawingController.onMousedown_(event);
+    } else if (event.type == 'mouseup') {
+      pskl.app.drawingController.onMouseup_(event);
+    } else if (event.type == 'mousemove') {
+      pskl.app.drawingController.onMousemove_(event);
+    }
+  };
+
+  ns.DrawingTestPlayer.prototype.playColorEvent_ = function (recordEvent) {
+    if (recordEvent.isPrimary) {
+      $.publish(Events.SELECT_PRIMARY_COLOR, [recordEvent.color]);
+    } else {
+      $.publish(Events.SELECT_SECONDARY_COLOR, [recordEvent.color]);
+    }
+  };
+
+  ns.DrawingTestPlayer.prototype.playToolEvent_ = function (recordEvent) {
+    $.publish(Events.SELECT_TOOL, [recordEvent.toolId]);
+  };
+
+  ns.DrawingTestPlayer.prototype.playInstrumentedEvent_ = function (recordEvent) {
+    pskl.app.piskelController[recordEvent.methodName].apply(pskl.app.piskelController, recordEvent.args);
+  };
+
+  ns.DrawingTestPlayer.prototype.onTestEnd_ = function () {
+    this.removeMouseShim_();
+
+    var renderer = new pskl.rendering.PiskelRenderer(pskl.app.piskelController);
+    var png = renderer.renderAsCanvas().toDataURL();
+
+    var success = png === this.referencePng;
+
+    $.publish(Events.TEST_RECORD_END, [success, png, this.referencePng]);
+    this.callbacks.forEach(function (callback) {
+      callback(success, png, this.referencePng);
+    });
+  };
+
+  ns.DrawingTestPlayer.prototype.addEndTestCallback = function (callback) {
+    this.callbacks.push(callback);
+  };
+
+})();

src/js/devtools/DrawingTestRecorder.js

@@ -0,0 +1,115 @@
+(function () {
+  var ns = $.namespace('pskl.devtools');
+
+  ns.DrawingTestRecorder = function (piskelController) {
+    this.piskelController = piskelController;
+    this.isRecording = false;
+    this.reset();
+  };
+
+  ns.DrawingTestRecorder.prototype.init = function () {
+    $.subscribe(Events.MOUSE_EVENT, this.onMouseEvent_.bind(this));
+    $.subscribe(Events.TOOL_SELECTED, this.onToolEvent_.bind(this));
+    $.subscribe(Events.PRIMARY_COLOR_SELECTED, this.onColorEvent_.bind(this, true));
+    $.subscribe(Events.SECONDARY_COLOR_SELECTED, this.onColorEvent_.bind(this, false));
+
+    for (var key in this.piskelController) {
+      if (typeof this.piskelController[key] == 'function') {
+        var methodTriggersReset = this.piskelController[key].toString().indexOf('Events.PISKEL_RESET') != -1;
+        if (methodTriggersReset) {
+          this.piskelController[key] = this.instrumentMethod_(this.piskelController, key);
+        }
+      }
+    }
+  };
+
+  ns.DrawingTestRecorder.prototype.instrumentMethod_ = function (object, methodName) {
+    var method = object[methodName];
+    var testRecorder = this;
+    return function () {
+      testRecorder.onInstrumentedMethod_(object, methodName, arguments);
+      return method.apply(this, arguments);
+    };
+  };
+
+  ns.DrawingTestRecorder.prototype.reset = function () {
+    this.initialState = {};
+    this.events = [];
+  };
+
+  ns.DrawingTestRecorder.prototype.startRecord = function () {
+    this.isRecording = true;
+    this.initialState = {
+      size : {
+        width : this.piskelController.getWidth(),
+        height : this.piskelController.getHeight()
+      },
+      primaryColor : pskl.app.paletteController.getPrimaryColor(),
+      secondaryColor : pskl.app.paletteController.getSecondaryColor(),
+      selectedTool : pskl.app.toolController.currentSelectedTool.instance.toolId
+    };
+  };
+
+  ns.DrawingTestRecorder.prototype.stopRecord = function () {
+    this.isRecording = false;
+
+    var renderer = new pskl.rendering.PiskelRenderer(this.piskelController);
+    var png = renderer.renderAsCanvas().toDataURL();
+
+    var testRecord = JSON.stringify({
+      events : this.events,
+      initialState : this.initialState,
+      png : png
+    });
+
+    this.reset();
+
+    return testRecord;
+  };
+
+  ns.DrawingTestRecorder.prototype.onMouseEvent_ = function (evt, mouseEvent, originator) {
+    if (this.isRecording) {
+      this.recordMouseEvent_(mouseEvent);
+    }
+  };
+
+  ns.DrawingTestRecorder.prototype.onColorEvent_ = function (isPrimary, evt, color) {
+    if (this.isRecording) {
+      var recordEvent = {};
+      recordEvent.type = 'color-event';
+      recordEvent.color = color;
+      recordEvent.isPrimary = isPrimary;
+      this.events.push(recordEvent);
+    }
+  };
+
+  ns.DrawingTestRecorder.prototype.onToolEvent_ = function (evt, tool) {
+    if (this.isRecording) {
+      var recordEvent = {};
+      recordEvent.type = 'tool-event';
+      recordEvent.toolId = tool.toolId;
+      this.events.push(recordEvent);
+    }
+  };
+
+  ns.DrawingTestRecorder.prototype.onInstrumentedMethod_ = function (callee, methodName, args) {
+    if (this.isRecording) {
+      var recordEvent = {};
+      recordEvent.type = 'instrumented-event';
+      recordEvent.methodName = methodName;
+      recordEvent.args = Array.prototype.slice.call(args, 0);
+      this.events.push(recordEvent);
+    }
+  };
+
+  ns.DrawingTestRecorder.prototype.recordMouseEvent_ = function (mouseEvent) {
+    var coords = pskl.app.drawingController.getSpriteCoordinates(mouseEvent.clientX, mouseEvent.clientY);
+    var recordEvent = new ns.MouseEvent(mouseEvent, coords);
+    var lastEvent = this.events[this.events.length-1];
+
+    if (!recordEvent.equals(lastEvent)) {
+      this.events.push(recordEvent);
+    }
+  };
+
+})();

src/js/devtools/DrawingTestRunner.js

@@ -0,0 +1,25 @@
+(function () {
+  var ns = $.namespace('pskl.devtools');
+
+  ns.DrawingTestRunner = function (testName) {
+    this.testName = testName;
+    $.subscribe(Events.TEST_RECORD_END, this.onTestRecordEnd_.bind(this));
+  };
+
+  ns.DrawingTestRunner.prototype.start = function () {
+    pskl.utils.Xhr.get(this.testName, function (response) {
+      var res = response.responseText;
+      var recordPlayer = new ns.DrawingTestPlayer(JSON.parse(res));
+      recordPlayer.start();
+    }.bind(this));
+  };
+
+  ns.DrawingTestRunner.prototype.onTestRecordEnd_ = function (evt, success, png) {
+    var testResult = document.createElement('div');
+    testResult.id = 'drawing-test-result';
+    testResult.setAttribute('data-test-name', this.testName);
+    testResult.innerHTML = success ? 'OK' : ('KO:'+png);
+    document.body.appendChild(testResult);
+  };
+
+})();

src/js/devtools/DrawingTestSuiteController.js

@@ -0,0 +1,77 @@
+(function () {
+  var ns = $.namespace('pskl.devtools');
+
+  ns.DrawingTestSuiteController = function (suitePath) {
+    if (suitePath.indexOf('/') === -1) {
+      suitePath = [Constants.DRAWING_TEST_FOLDER, suitePath].join('/');
+    }
+    this.suitePath = suitePath;
+    this.testSuiteRunner = null;
+  };
+
+  ns.DrawingTestSuiteController.prototype.init = function () {
+    $.subscribe(Events.TEST_CASE_END, this.onTestCaseEnd_.bind(this));
+    $.subscribe(Events.TEST_SUITE_END, this.onTestSuiteEnd_.bind(this));
+  };
+
+  ns.DrawingTestSuiteController.prototype.start = function () {
+    this.reset();
+    this.startTime_ = Date.now();
+    pskl.utils.Xhr.get(this.suitePath, this.onTestSuiteLoaded_.bind(this));
+
+    var testSuiteStatus = document.createElement('li');
+    testSuiteStatus.innerHTML = pskl.utils.Template.replace(
+      '<b>Test Suite [{{path}}]</b>',
+      {path : this.shortenPath_(this.suitePath)}
+    );
+    this.testListElt.appendChild(testSuiteStatus);
+  };
+
+  ns.DrawingTestSuiteController.prototype.reset = function () {
+    this.domElt = document.createElement('div');
+    this.domElt.style.cssText = 'position:absolute;z-index:10000;margin:5px;padding:10px;background:lightgrey';
+
+    this.testListElt = document.createElement('ul');
+
+    this.domElt.appendChild(this.testListElt);
+
+    document.body.appendChild(this.domElt);
+  };
+
+  ns.DrawingTestSuiteController.prototype.onTestSuiteLoaded_ = function (response) {
+    var testPaths = JSON.parse(response.responseText).tests;
+    testPaths = testPaths.map(function (path) {
+      return [Constants.DRAWING_TEST_FOLDER, 'tests', path].join('/');
+    }.bind(this));
+    this.testSuiteRunner = new ns.DrawingTestSuiteRunner(testPaths);
+    this.testSuiteRunner.start();
+  };
+
+  ns.DrawingTestSuiteController.prototype.onTestCaseEnd_ = function (evt, testPath, status) {
+    var testCaseStatus = document.createElement('li');
+
+    testCaseStatus.innerHTML = pskl.utils.Template.replace(
+      '[{{path}}] finished : <b style="color:{{color}}">{{status}}</b>',
+      {path : this.shortenPath_(testPath), status : status ? 'OK' : 'KO', color : status ? 'green' : 'red'}
+    );
+    this.testListElt.appendChild(testCaseStatus);
+  };
+
+  ns.DrawingTestSuiteController.prototype.onTestSuiteEnd_ = function (evt, status) {
+    console.log('on test suite end');
+    var elapsed = Date.now() - this.startTime_;
+    elapsed = (elapsed/1000).toFixed(4);
+
+    var testSuiteStatus = document.createElement('li');
+    testSuiteStatus.innerHTML = pskl.utils.Template.replace(
+      '<b>Test finished : {{status}}</b> ({{elapsed}} seconds)',
+      {status : status, elapsed : elapsed}
+    );
+    this.testListElt.appendChild(testSuiteStatus);
+  };
+
+  ns.DrawingTestSuiteController.prototype.shortenPath_ = function (path) {
+    // keep only the part after the last '/'
+    return path.replace(/^.*\/([^\/]+.json$)/, '$1');
+  };
+})();

src/js/devtools/DrawingTestSuiteRunner.js

@@ -0,0 +1,63 @@
+(function () {
+  var ns = $.namespace('pskl.devtools');
+
+  ns.DrawingTestSuiteRunner = function (testPaths) {
+    if (Array.isArray(testPaths)) {
+      this.testStatus = {};
+      this.testPaths = testPaths;
+      this.status = ns.DrawingTestSuiteRunner.STATUS.NOT_STARTED;
+      this.currentIndex = -1;
+    } else {
+      throw new Error('testPaths should be an array of string (test paths)');
+    }
+  };
+
+  ns.DrawingTestSuiteRunner.STATUS = {
+    ERROR : 'ERROR',
+    FAILED : 'FAILED',
+    SUCCESS : 'SUCCESS',
+    ONGOING : 'ONGOING',
+    NOT_STARTED : 'NOT_STARTED'
+  };
+
+  ns.DrawingTestSuiteRunner.prototype.start = function () {
+    this.status = ns.DrawingTestSuiteRunner.STATUS.ONGOING;
+    this.runTest(0);
+  };
+
+  ns.DrawingTestSuiteRunner.prototype.runTest = function (testIndex) {
+    this.currentIndex = testIndex;
+    var path = this.testPaths[testIndex];
+    if (path) {
+      pskl.utils.Xhr.get(path, this.onTestLoaded_.bind(this));
+    } else {
+      this.onTestSuiteEnd_();
+    }
+  };
+
+  ns.DrawingTestSuiteRunner.prototype.onTestLoaded_ = function (response) {
+    var testRecord = JSON.parse(response.responseText);
+
+    var testPlayer = new ns.DrawingTestPlayer(testRecord, 50);
+
+    testPlayer.addEndTestCallback(this.onTestEnd_.bind(this));
+    testPlayer.start();
+  };
+
+  ns.DrawingTestSuiteRunner.prototype.onTestEnd_ = function (success, png, referencePng) {
+    var path = this.testPaths[this.currentIndex];
+    this.testStatus[path] = success;
+    $.publish(Events.TEST_CASE_END, [path, success]);
+
+    this.runTest(this.currentIndex + 1);
+  };
+
+  ns.DrawingTestSuiteRunner.prototype.onTestSuiteEnd_ = function () {
+    var success = this.testPaths.every(function (path) {
+      return this.testStatus[path];
+    }.bind(this));
+
+    this.status = success ? ns.DrawingTestSuiteRunner.STATUS.SUCCESS : ns.DrawingTestSuiteRunner.STATUS.ERROR;
+    $.publish(Events.TEST_SUITE_END, [this.status]);
+  };
+})();

src/js/devtools/MouseEvent.js

@@ -0,0 +1,26 @@
+(function () {
+  var ns = $.namespace('pskl.devtools');
+
+  ns.MouseEvent = function (event, coords) {
+    this.event = {
+      type : event.type,
+      button : event.button,
+      shiftKey : event.shiftKey,
+      altKey : event.altKey,
+      ctrlKey : event.ctrlKey
+    };
+    this.coords = coords;
+    this.type = 'mouse-event';
+  };
+
+  ns.MouseEvent.prototype.equals = function (otherEvent) {
+    if (otherEvent && otherEvent instanceof ns.MouseEvent) {
+      var sameEvent = JSON.stringify(otherEvent.event) == JSON.stringify(this.event);
+      var sameCoords = JSON.stringify(otherEvent.coords) == JSON.stringify(this.coords);
+      return sameEvent && sameCoords;
+    } else {
+      return false;
+    }
+  };
+
+})();

src/js/devtools/TestRecordController.js

@@ -0,0 +1,76 @@
+(function () {
+  var ns = $.namespace('pskl.devtools');
+
+  ns.TestRecordController = function (testRecorder) {
+    this.testRecorder = testRecorder;
+    $.subscribe(Events.TEST_RECORD_END, this.onTestRecordEnd_.bind(this));
+  };
+
+  ns.TestRecordController.prototype.init  = function () {
+    var fileInput = document.createElement('input');
+    fileInput.setAttribute('type', 'file');
+    fileInput.addEventListener('change', this.onFileInputChange_.bind(this));
+    fileInput.style.display = 'none';
+
+    var container = document.createElement('div');
+    container.style.cssText = 'position:absolute;z-index:10000;margin:5px;padding:10px;background:lightgrey';
+    document.body.appendChild(container);
+
+    var loadInput = document.createElement('button');
+    loadInput.innerHTML = 'Load Test ...';
+    loadInput.addEventListener('click', this.onLoadInputClick_.bind(this));
+
+    var startInput = document.createElement('button');
+    startInput.innerHTML = 'Start record';
+    startInput.addEventListener('click', this.onStartInputClick_.bind(this));
+
+    var stopInput = document.createElement('button');
+    stopInput.innerHTML = 'Stop record';
+    stopInput.addEventListener('click', this.onStopInputClick_.bind(this));
+    stopInput.setAttribute('disabled','disabled');
+
+    this.container = container;
+    this.fileInput = this.container.appendChild(fileInput);
+    this.loadInput = this.container.appendChild(loadInput);
+    this.startInput = this.container.appendChild(startInput);
+    this.stopInput = this.container.appendChild(stopInput);
+  };
+
+  ns.TestRecordController.prototype.onLoadInputClick_  = function () {
+    this.fileInput.click();
+  };
+
+  ns.TestRecordController.prototype.onFileInputChange_  = function () {
+    var files = this.fileInput.files;
+    if (files.length == 1) {
+      var file =files[0];
+      pskl.utils.FileUtils.readFile(file, function (content) {
+        var testRecord = JSON.parse(window.atob(content.replace(/data\:.*?\;base64\,/,'')));
+        var testPlayer = new ns.DrawingTestPlayer(testRecord);
+        testPlayer.start();
+      }.bind(this));
+    }
+  };
+
+  ns.TestRecordController.prototype.onStartInputClick_  = function () {
+    this.testRecorder.startRecord();
+    this.startInput.setAttribute('disabled','disabled');
+    this.stopInput.removeAttribute('disabled');
+  };
+
+  ns.TestRecordController.prototype.onStopInputClick_  = function () {
+    var testRecord = this.testRecorder.stopRecord();
+
+    pskl.utils.BlobUtils.stringToBlob(testRecord, function(blob) {
+      pskl.utils.FileUtils.downloadAsFile(blob, 'record_piskel.json');
+    }.bind(this), "application/json");
+
+    this.startInput.removeAttribute('disabled');
+    this.stopInput.setAttribute('disabled','disabled');
+  };
+
+  ns.TestRecordController.prototype.onTestRecordEnd_  = function (evt, success) {
+    window.alert('Test finished : ', success);
+  };
+
+})();

src/js/devtools/init.js

@@ -0,0 +1,34 @@
+(function () {
+  var ns = $.namespace('pskl.devtools');
+
+  ns.init = function () {
+    var href = document.location.href.toLowerCase();
+    // test tools
+    var testModeOn = href.indexOf('test=true') !== -1;
+    if (testModeOn) {
+      this.testRecorder = new pskl.devtools.DrawingTestRecorder(pskl.app.piskelController);
+      this.testRecorder.init();
+
+      this.testRecordController = new pskl.devtools.TestRecordController(this.testRecorder);
+      this.testRecordController.init();
+    }
+
+    // test tools
+    var runTestModeOn = href.indexOf('test-run=') !== -1;
+    if (runTestModeOn) {
+      var testPath = href.split('test-run=')[1];
+      this.testRunner = new pskl.devtools.DrawingTestRunner(testPath);
+      this.testRunner.start();
+    }
+
+    // test tools
+    var runSuiteModeOn = href.indexOf('test-suite=') !== -1;
+    if (runSuiteModeOn) {
+      var suitePath = href.split('test-suite=')[1];
+      this.testSuiteController = new pskl.devtools.DrawingTestSuiteController(suitePath);
+      this.testSuiteController.init();
+      this.testSuiteController.start();
+    }
+  };
+
+})();

src/js/rendering/frame/FrameRenderer.js

@@ -196,6 +196,28 @@
     };
   };
 
+  ns.FrameRenderer.prototype.reverseCoordinates = function(x, y) {
+    var cellSize = this.zoom;
+
+    x = x * cellSize;
+    y = y * cellSize;
+
+    x = x - this.offset.x * cellSize;
+    y = y - this.offset.y * cellSize;
+
+    x = x + this.margin.x;
+    y = y + this.margin.y;
+
+    var containerOffset = this.container.offset();
+    x = x + containerOffset.left;
+    y = y + containerOffset.top;
+
+    return {
+      x : x + (cellSize/2),
+      y : y + (cellSize/2)
+    };
+  };
+
   /**
    * @private
    */

src/js/service/AppEngineStorageService.js

@@ -8,42 +8,33 @@
   ns.AppEngineStorageService.prototype.init = function () {};
 
   ns.AppEngineStorageService.prototype.store = function (callbacks) {
-    var formData = this.prepareFormData_();
-
-    var xhr = new XMLHttpRequest();
-    xhr.open('POST', Constants.APPENGINE.URL.SAVE, true);
-
-    xhr.onload = function(e) {
-      if (this.status == 200) {
-        callbacks.success();
-        callbacks.after();
-      } else {
-        this.onerror(e);
-      }
-    };
-    xhr.onerror = function(e) {
-      callbacks.error(this.status);
-      callbacks.after();
-    };
-    xhr.send(formData);
-  };
-
-  ns.AppEngineStorageService.prototype.prepareFormData_ = function () {
     var piskel = this.piskelController.getPiskel();
     var descriptor = piskel.getDescriptor();
 
-    var formData = new FormData();
-    formData.append('framesheet', this.piskelController.serialize());
-    formData.append('fps', this.piskelController.getFPS());
-    formData.append('name', descriptor.name);
-    formData.append('description', descriptor.description);
-    if (descriptor.isPublic) {
-      formData.append('public', true);
-    }
-    formData.append('frames', this.piskelController.getFrameCount());
-    formData.append('first_frame_as_png', pskl.app.getFirstFrameAsPng());
-    formData.append('framesheet_as_png', pskl.app.getFramesheetAsPng());
+    var data = {
+      framesheet : this.piskelController.serialize(),
+      fps : this.piskelController.getFPS(),
+      name : descriptor.name,
+      description : descriptor.description,
+      frames : this.piskelController.getFrameCount(),
+      first_frame_as_png : pskl.app.getFirstFrameAsPng(),
+      framesheet_as_png : pskl.app.getFramesheetAsPng()
+    };
 
-    return formData;
+    if (descriptor.isPublic) {
+      data['public'] = true;
+    }
+
+    var success = function () {
+      callbacks.success();
+      callbacks.after();
+    };
+
+    var error = function (response) {
+      callbacks.error(response.status);
+      callbacks.after();
+    };
+
+    pskl.utils.Xhr.post(Constants.APPENGINE.URL.SAVE, data, success, error);
   };
 })();

src/js/service/HistoryService.js

@@ -1,14 +1,13 @@
 (function () {
   var ns = $.namespace('pskl.service');
 
-  var SNAPSHOT_PERIOD = 50;
-  var LOAD_STATE_INTERVAL = 50;
+  ns.HistoryService = function (piskelController, shortcutService, deserializer) {
+    this.piskelController = piskelController || pskl.app.piskelController;
+    this.shortcutService = shortcutService || pskl.app.shortcutService;
+    this.deserializer = deserializer || pskl.utils.serialization.Deserializer;
 
-  ns.HistoryService = function (piskelController) {
-    this.piskelController = piskelController;
     this.stateQueue = [];
     this.currentIndex = -1;
-    this.saveState__b = this.onSaveStateEvent.bind(this);
 
     this.lastLoadState = -1;
 
@@ -17,6 +16,8 @@
 
   ns.HistoryService.SNAPSHOT = 'SNAPSHOT';
   ns.HistoryService.REPLAY = 'REPLAY';
+  ns.HistoryService.SNAPSHOT_PERIOD = 50;
+  ns.HistoryService.LOAD_STATE_INTERVAL = 50;
   /**
    * This event alters the state (frames, layers) of the piskel. The event is triggered before the execution of associated command.
    * Don't store snapshots for such events.
@@ -24,10 +25,10 @@
   ns.HistoryService.REPLAY_NO_SNAPSHOT = 'REPLAY_NO_SNAPSHOT';
 
   ns.HistoryService.prototype.init = function () {
-    $.subscribe(Events.PISKEL_SAVE_STATE, this.saveState__b);
+    $.subscribe(Events.PISKEL_SAVE_STATE, this.onSaveStateEvent.bind(this));
 
-    pskl.app.shortcutService.addShortcut('ctrl+Z', this.undo.bind(this));
-    pskl.app.shortcutService.addShortcut('ctrl+Y', this.redo.bind(this));
+    this.shortcutService.addShortcut('ctrl+Z', this.undo.bind(this));
+    this.shortcutService.addShortcut('ctrl+Y', this.redo.bind(this));
 
     this.saveState({
       type : ns.HistoryService.SNAPSHOT
@@ -50,7 +51,7 @@
 
     var isSnapshot = stateInfo.type === ns.HistoryService.SNAPSHOT;
     var isNoSnapshot = stateInfo.type === ns.HistoryService.REPLAY_NO_SNAPSHOT;
-    var isAtAutoSnapshotInterval = this.currentIndex % SNAPSHOT_PERIOD === 0 || this.saveNextAsSnapshot;
+    var isAtAutoSnapshotInterval = this.currentIndex % ns.HistoryService.SNAPSHOT_PERIOD === 0 || this.saveNextAsSnapshot;
     if (isNoSnapshot && isAtAutoSnapshotInterval) {
       this.saveNextAsSnapshot = true;
     } else if (isSnapshot || isAtAutoSnapshotInterval) {
@@ -58,10 +59,6 @@
       this.saveNextAsSnapshot = false;
     }
 
-    if (isSnapshot) {
-
-    }
-
     this.stateQueue.push(state);
   };
 
@@ -74,7 +71,7 @@
   };
 
   ns.HistoryService.prototype.isLoadStateAllowed_ = function (index) {
-    var timeOk = (Date.now() - this.lastLoadState) > LOAD_STATE_INTERVAL;
+    var timeOk = (Date.now() - this.lastLoadState) > ns.HistoryService.LOAD_STATE_INTERVAL;
     var indexInRange = index >= 0 && index < this.stateQueue.length;
     return timeOk && indexInRange;
   };
@@ -97,7 +94,7 @@
         }
         var serializedPiskel = this.getSnapshotFromState_(snapshotIndex);
         var onPiskelLoadedCb = this.onPiskelLoaded_.bind(this, index, snapshotIndex);
-        pskl.utils.serialization.Deserializer.deserialize(serializedPiskel, onPiskelLoadedCb);
+        this.deserializer.deserialize(serializedPiskel, onPiskelLoadedCb);
       }
     } catch (e) {
       window.console.error("[CRITICAL ERROR] : Unable to load a history state.");
@@ -138,6 +135,7 @@
       this.replayState(state);
     }
 
+    // Should only do this when going backwards
     var lastState = this.stateQueue[index+1];
     if (lastState) {
       this.setupState(lastState);

src/js/service/ImageUploadService.js

@@ -6,23 +6,18 @@
   /**
    * Upload a base64 image data to distant service. If successful, will call provided callback with the image URL as first argument;
    * @param {String} imageData base64 image data (such as the return value of canvas.toDataUrl())
-   * @param {Function} cbSuccess success callback. 1st argument will be the uploaded image URL
-   * @param {Function} cbError error callback
+   * @param {Function} success success callback. 1st argument will be the uploaded image URL
+   * @param {Function} error error callback
    */
-  ns.ImageUploadService.prototype.upload = function (imageData, cbSuccess, cbError) {
-    var xhr = new XMLHttpRequest();
-    var formData = new FormData();
-    formData.append('data', imageData);
-    xhr.open('POST', Constants.IMAGE_SERVICE_UPLOAD_URL, true);
-    xhr.onload = function (e) {
-      if (this.status == 200) {
-        var imageUrl = Constants.IMAGE_SERVICE_GET_URL + this.responseText;
-        cbSuccess(imageUrl);
-      } else {
-        cbError();
-      }
+  ns.ImageUploadService.prototype.upload = function (imageData, success, error) {
+    var data = {
+      data : imageData
     };
 
-    xhr.send(formData);
+    var wrappedSuccess = function (response) {
+      success(Constants.IMAGE_SERVICE_GET_URL + response.responseText);
+    };
+
+    pskl.utils.Xhr.post(Constants.IMAGE_SERVICE_UPLOAD_URL, data, wrappedSuccess, error);
   };
 })();

src/js/utils/CanvasUtils.js

@@ -26,6 +26,13 @@
       return canvas;
     },
 
+    createFromImage : function (image) {
+      var canvas = pskl.CanvasUtils.createCanvas(image.width, image.height);
+      var context = canvas.getContext('2d');
+      context.drawImage(image, 0, 0);
+      return canvas;
+    },
+
     /**
      * By default, all scaling operations on a Canvas 2D Context are performed using antialiasing.
      * Resizing a 32x32 image to 320x320 will lead to a blurry output.

src/js/utils/Xhr.js

@@ -0,0 +1,46 @@
+(function () {
+  var ns = $.namespace('pskl.utils');
+  ns.Xhr = {
+    get : function (url, success, error) {
+      var xhr = ns.Xhr.xhr_(url, 'GET', success, error);
+      xhr.send();
+    },
+
+    post : function (url, data, success, error) {
+      var xhr = ns.Xhr.xhr_(url, 'POST', success, error);
+      var formData = new FormData();
+
+      if (typeof data == 'object') {
+        for (var key in data) {
+          if (data.hasOwnProperty(key)) {
+            formData.append(key, data[key]);
+          }
+        }
+      }
+
+      xhr.send(formData);
+    },
+
+    xhr_ : function (url, method, success, error) {
+      success = success || function (){};
+      error = error || function (){};
+
+      var xhr = new XMLHttpRequest();
+      xhr.open(method, url, true);
+
+      xhr.onload = function(e) {
+        if (this.status == 200) {
+          success(this);
+        } else {
+          this.onerror(this, e);
+        }
+      };
+
+      xhr.onerror = function(e) {
+        error(e);
+      };
+
+      return xhr;
+    }
+  };
+})();

src/js/utils/core.js

@@ -14,13 +14,26 @@ jQuery.namespace = function() {
 /**
  * Need a polyfill for PhantomJS
  */
-if (typeof Function.prototype.bind !== "function") {
-  Function.prototype.bind = function(scope) {
-    "use strict";
-    var _function = this;
-    return function() {
-      return _function.apply(scope, arguments);
-    };
+if (!Function.prototype.bind) {
+  Function.prototype.bind = function (oThis) {
+    if (typeof this !== "function") {
+      // closest thing possible to the ECMAScript 5
+      // internal IsCallable function
+      throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
+    }
+
+    var bindArgs = Array.prototype.slice.call(arguments, 1),
+        fToBind = this,
+        fNOP = function () {},
+        fBound = function () {
+          var args = bindArgs.concat(Array.prototype.slice.call(arguments));
+          return fToBind.apply(this instanceof fNOP && oThis ? this : oThis, args);
+        };
+
+    fNOP.prototype = this.prototype;
+    fBound.prototype = new fNOP();
+
+    return fBound;
   };
 }
 

src/piskel-script-list.js

@@ -25,6 +25,7 @@
   "js/utils/PiskelFileUtils.js",
   "js/utils/Template.js",
   "js/utils/UserSettings.js",
+  "js/utils/Xhr.js",
   "js/utils/serialization/Serializer.js",
   "js/utils/serialization/Deserializer.js",
   "js/utils/serialization/backward/Deserializer_v0.js",
@@ -137,6 +138,17 @@
   "js/drawingtools/selectiontools/ShapeSelect.js",
   "js/drawingtools/ColorPicker.js",
   "js/drawingtools/ColorSwap.js",
+
+  // Devtools
+  "js/devtools/DrawingTestPlayer.js",
+  "js/devtools/DrawingTestRecorder.js",
+  "js/devtools/DrawingTestRunner.js",
+  "js/devtools/DrawingTestSuiteController.js",
+  "js/devtools/DrawingTestSuiteRunner.js",
+  "js/devtools/MouseEvent.js",
+  "js/devtools/TestRecordController.js",
+  "js/devtools/init.js",
+
   // Application controller and initialization
   "js/app.js",
   // Bonus features !!

src/templates/settings/export.html

@@ -7,11 +7,16 @@
     <span class="settings-description">PNG with all frames side by side.</span>
     <button type="button" class="button button-primary png-download-button">Download PNG</button>
   </div>
+  <div class="settings-title">
+    Export as ZIP
+  </div>
   <div class="settings-item">
-    <span class="settings-description">ZIP with one PNG file per frame.</span>
-    <div>
-      <button type="button" class="button button-primary zip-generate-button"/>Download ZIP</button>
+    <span class="settings-description">ZIP with one PNG file per frame. Name will use the prefix above and append the frame index, ex: sprite_1.png</span>
+    <div class="settings-item">
+      <label for="zip-file-name">File prefix:</label>
+      <input id="zip-file-name" type="text" class="textfield" placeholder="sprite_">
     </div>
+    <button type="button" class="button button-primary zip-generate-button"/>Download ZIP</button>
   </div>
   <div class="settings-title">
     Export to Animated GIF
@@ -37,4 +42,4 @@
     <span class="gif-export-progress-status"></span>
     <div class="gif-export-progress-bar"></div>
   </div>
-</div>
+</div>

test/casperjs/DrawingTest.js

@@ -0,0 +1,42 @@
+(function () {
+  var tests = require('./test/drawing/DrawingTests.casper.js').tests;
+
+  var baseUrl = casper.cli.get('baseUrl')+"?debug";
+  var resultSelector = '#drawing-test-result';
+
+  casper.start();
+
+  var runTest = function (index) {
+    var test = 'drawing/tests/' + tests[index];
+
+    casper.open(baseUrl + "&test-run=" + test);
+
+    casper.then(function () {
+      this.echo('Running test : ' + test);
+      this.wait(casper.cli.get('delay'));
+    });
+
+    casper.then(function () {
+      this.echo('Waiting for test result : ' + resultSelector);
+      this.waitForSelector(resultSelector, function () {
+        // then
+        var result = this.getHTML(resultSelector);
+        this.echo('Test finished : ' + result);
+        this.test.assertEquals(result, 'OK');
+      }, function () {
+        // onTimeout
+        this.test.fail('Test timed out');
+      }, 60*1000);
+    })
+    .run(function () {
+      if (tests[index+1]) {
+        runTest(index+1);
+      } else {
+        this.test.done();
+      }
+    });
+  };
+
+  runTest(0);
+
+})();

test/casperjs/LocalTestSuite.js

@@ -0,0 +1,4 @@
+(typeof exports != "undefined" ? exports : pskl_exports).tests = [
+  'SmokeTest.js',
+  'DrawingTest.js'
+];

test/casperjs/SmokeTest.js

@@ -7,7 +7,7 @@ casper
     this.echo(casper.cli.get('baseUrl')+"?debug");
     // If there was a JS error after the page load, casper won't perform asserts
     this.test.assertExists('html', 'Casper JS cannot assert DOM elements. A JS error has probably occured.');
-    
+
     this.test.assertExists('#drawing-canvas-container canvas', 'Check if drawing canvas element is created');
   })
   .run(function () {

test/casperjs/TravisTestSuite.js

@@ -0,0 +1,4 @@
+(typeof exports != "undefined" ? exports : pskl_exports).tests = [
+  // did not manage to successfully run drawing tests on travis yet ...
+  'SmokeTest.js'
+];

test/drawing/DrawingTests.browser.js

@@ -0,0 +1,13 @@
+{"tests" : [
+  "pen.drawing.json",
+  "bucket.drawing.json",
+  "color.picker.json",
+  "frames.fun.json",
+  "layers.fun.json",
+  "lighten.darken.json",
+  "move.json",
+  "pen.secondary.color.json",
+  "squares.circles.json",
+  "stroke.json",
+  "verticalpen.drawing.json"
+]}

test/drawing/DrawingTests.casper.js

@@ -0,0 +1,11 @@
+(typeof exports != "undefined" ? exports : pskl_exports).tests = [
+  "pen.drawing.json",
+  "color.picker.json",
+  "frames.fun.json",
+  "layers.fun.json",
+  "move.json",
+  "pen.secondary.color.json",
+  "squares.circles.json",
+  "stroke.json",
+  "verticalpen.drawing.json"
+];

test/drawing/tests/color.picker.json

@@ -0,0 +1,48 @@
+{"events":[{"type":"tool-event","toolId":"tool-pen"},
+{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":0},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":0},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":0},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":0},"type":"mouse-event"},
+{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":0},"type":"mouse-event"},
+{"type":"color-event","color":"rgb(11, 182, 0)","isPrimary":true},
+{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":1},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":1},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":1},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":1},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":1},"type":"mouse-event"},
+{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":1},"type":"mouse-event"},
+{"type":"color-event","color":"rgb(49, 84, 47)","isPrimary":true},
+{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":2},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":2},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":2},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":2},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":2},"type":"mouse-event"},
+{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":2},"type":"mouse-event"},
+{"type":"tool-event","toolId":"tool-colorpicker"},
+{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},
+{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},
+{"type":"tool-event","toolId":"tool-pen"},
+{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":3},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":3},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":3},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":3},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":3},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":3},"type":"mouse-event"},
+{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":3},"type":"mouse-event"},
+{"type":"tool-event","toolId":"tool-colorpicker"},
+{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},
+{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},
+{"type":"tool-event","toolId":"tool-pen"},
+{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":4},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":4},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":4},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":4},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":4},"type":"mouse-event"},
+{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":4},"type":"mouse-event"},
+{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":4},"type":"mouse-event"}],"initialState":{"size":{"width":5,"height":5},"primaryColor":"rgb(182, 177, 0)","secondaryColor":"#80ff00","selectedTool":"tool-move"},"png":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQIW2PctpHhPwMaYOTehkXQMEQfUyXR2gFosQoFS9oVSgAAAABJRU5ErkJggg=="}

test/drawing/tests/frames.fun.json

@@ -0,0 +1 @@
+{"events":[{"type":"tool-event","toolId":"tool-pen"},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":0},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":0},"type":"mouse-event"},{"type":"color-event","color":"#158d00","isPrimary":true},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":3},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":3},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},{"type":"color-event","color":"#6bb25e","isPrimary":true},{"type":"tool-event","toolId":"tool-paint-bucket"},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"type":"instrumented-event","methodName":"addFrameAt","args":[1]},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"type":"instrumented-event","methodName":"duplicateFrameAt","args":[0]},{"type":"instrumented-event","methodName":"moveFrame","args":[1,2]},{"type":"instrumented-event","methodName":"setCurrentFrameIndex","args":[2]}],"initialState":{"size":{"width":5,"height":5},"primaryColor":"#8d007c","secondaryColor":"rgba(0, 0, 0, 0)","selectedTool":"tool-move"},"png":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAFCAYAAACaTbYsAAAAPklEQVQYV2PsZaj5z4AG7m16hC7EoOQnhyHGKNrLgKE5TDUOQ+Gq24uwa0ZWDFKESzO6OrDNFGlGdw+xzgYAdtkjkmnNRVEAAAAASUVORK5CYII="}

test/drawing/tests/layers.fun.json

@@ -0,0 +1 @@
+{"events":[{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"type":"instrumented-event","methodName":"createLayer","args":[]},{"type":"color-event","color":"#0ea92e","isPrimary":true},{"type":"tool-event","toolId":"tool-rectangle"},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":3},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":3},"type":"mouse-event"},{"type":"instrumented-event","methodName":"createLayer","args":[]},{"type":"color-event","color":"#170ea9","isPrimary":true},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":3},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":3},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":3},"type":"mouse-event"},{"type":"instrumented-event","methodName":"moveLayerDown","args":[]},{"type":"tool-event","toolId":"tool-move"},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":1},"type":"mouse-event"}],"initialState":{"size":{"width":5,"height":5},"primaryColor":"#a9220e","secondaryColor":"rgba(0, 0, 0, 0)","selectedTool":"tool-paint-bucket"},"png":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAM0lEQVQIW2NcqcT3nwENMIIEU9sV4MKzKx8wwAU5U6sZvs9uZQDRGCrhgiC9eW9mw40AAEumFR2KMzAWAAAAAElFTkSuQmCC"}

test/drawing/tests/pen.drawing.json

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+{"events":[{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":0},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":0},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":0},"type":"mouse-event"},{"type":"color-event","color":"#b00000","isPrimary":true},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":1},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":1},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":1},"type":"mouse-event"},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":2},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":2},"type":"mouse-event"},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":2},"type":"mouse-event"},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":3},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":3},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":3},"type":"mouse-event"},{"type":"color-event","color":"#03b000","isPrimary":true},{"event":{"type":"mousedown","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":0,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":1,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":2,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":3,"y":4},"type":"mouse-event"},{"event":{"type":"mousemove","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":4},"type":"mouse-event"},{"event":{"type":"mouseup","button":0,"shiftKey":false,"altKey":false,"ctrlKey":false},"coords":{"x":4,"y":4},"type":"mouse-event"}],"initialState":{"size":{"width":5,"height":5},"primaryColor":"#000000","secondaryColor":"rgba(0, 0, 0, 0)","selectedTool":"tool-pen"},"png":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAALUlEQVQIW2NkYGD4D8QogBFdYANQEVwQxAEpCGBgYAQLggRAHJguRuYNmGYCAJ6NCGbAWR+yAAAAAElFTkSuQmCC"}

test/js/service/HistoryServiceTest.js

@@ -0,0 +1,86 @@
+var callFactory = function (method) {
+  return {
+    times : function (times) {
+      var results = [];
+      for (var i = 0 ; i < times ; i++) {
+        results.push(method());
+      }
+      return results;
+    },
+    once : function () {
+      return method();
+    }
+  };
+};
+
+describe("History Service suite", function() {
+  var SERIALIZED_PISKEL = 'serialized-piskel';
+  var historyService = null;
+
+  var getLastState = function () {
+    return historyService.stateQueue[historyService.currentIndex];
+  };
+
+  var createMockHistoryService = function () {
+    var mockPiskelController = {
+      serialize : function () {
+        return SERIALIZED_PISKEL;
+      }
+    };
+    var mockShortcutService = {
+      addShortcut : function () {}
+    };
+    return new pskl.service.HistoryService(mockPiskelController, mockShortcutService);
+  };
+
+  it("starts at -1", function() {
+    historyService = createMockHistoryService();
+    expect(historyService.currentIndex).toBe(-1);
+  });
+
+  it("is at 0 after init", function() {
+    historyService = createMockHistoryService();
+    historyService.init();
+    expect(historyService.currentIndex).toBe(0);
+  });
+
+  var sendSaveEvents = function (type) {
+    return callFactory (function () {
+      $.publish(Events.PISKEL_SAVE_STATE, {
+        type : type,
+        scope : {},
+        replay : {}
+      });
+    });
+  };
+
+  it("stores a piskel snapshot after 5 SAVE", function () {
+    // BEFORE
+    var SNAPSHOT_PERIOD_BACKUP = pskl.service.HistoryService.SNAPSHOT_PERIOD;
+    pskl.service.HistoryService.SNAPSHOT_PERIOD = 5;
+
+    historyService = createMockHistoryService();
+    historyService.init();
+
+    sendSaveEvents(pskl.service.HistoryService.REPLAY).times(5);
+
+    expect(historyService.currentIndex).toBe(5);
+
+    expect(getLastState().piskel).toBe(SERIALIZED_PISKEL);
+
+    sendSaveEvents(pskl.service.HistoryService.REPLAY).times(4);
+
+    sendSaveEvents(pskl.service.HistoryService.REPLAY_NO_SNAPSHOT).once();
+    expect(getLastState().piskel).toBeUndefined();
+
+    sendSaveEvents(pskl.service.HistoryService.REPLAY_NO_SNAPSHOT).once();
+    expect(getLastState().piskel).toBeUndefined();
+
+    sendSaveEvents(pskl.service.HistoryService.REPLAY).once();
+    expect(getLastState().piskel).toBe(SERIALIZED_PISKEL);
+
+    // AFTER
+    pskl.service.HistoryService.SNAPSHOT_PERIOD = SNAPSHOT_PERIOD_BACKUP;
+
+  })
+});