Merge pull request #523 from openseadragon/ian2

More unit testing for collections

.gitignore

@@ -2,3 +2,5 @@
 node_modules
 build/
 sftp-config.json
+coverage/
+temp/

Gruntfile.js

@@ -1,3 +1,5 @@
+/* global module */
+
 module.exports = function(grunt) {
 
     // ----------
@@ -5,7 +7,7 @@ module.exports = function(grunt) {
     grunt.loadNpmTasks("grunt-contrib-concat");
     grunt.loadNpmTasks("grunt-contrib-jshint");
     grunt.loadNpmTasks("grunt-contrib-uglify");
-    grunt.loadNpmTasks("grunt-contrib-qunit");
+    grunt.loadNpmTasks("grunt-qunit-istanbul");
     grunt.loadNpmTasks("grunt-contrib-connect");
     grunt.loadNpmTasks("grunt-contrib-watch");
     grunt.loadNpmTasks("grunt-contrib-clean");
@@ -72,6 +74,7 @@ module.exports = function(grunt) {
         clean: {
             build: ["build"],
             package: [packageDir],
+            coverage: ["coverage"],
             release: {
                 src: [releaseRoot],
                 options: {
@@ -137,10 +140,26 @@ module.exports = function(grunt) {
             }
         },
         qunit: {
+            normal: {
+                options: {
+                    urls: [ "http://localhost:8000/test/test.html" ]
+                }
+            },
+            coverage: {
+                options: {
+                    urls: [ "http://localhost:8000/test/coverage.html" ],
+                    coverage: {
+                        src: ['src/*.js'],
+                        htmlReport: 'coverage/html/',
+                        instrumentedFiles: 'temp/',
+                        baseUrl: '.',
+                        disposeCollector: true
+                    }
+                }
+            },
             all: {
                 options: {
-                    timeout: 10000,
+                    timeout: 10000
-                    urls: [ "http://localhost:8000/test/test.html" ]
                 }
             }
         },
@@ -248,7 +267,12 @@ module.exports = function(grunt) {
     // ----------
     // Test task.
     // Builds and runs unit tests.
-    grunt.registerTask("test", ["build", "connect", "qunit"]);
+    grunt.registerTask("test", ["build", "connect", "qunit:normal"]);
+
+    // ----------
+    // Coverage task.
+    // Outputs unit test code coverage report.
+    grunt.registerTask("coverage", ["clean:coverage", "connect", "qunit:coverage"]);
 
     // ----------
     // Package task.

README.md

@@ -63,6 +63,12 @@ and open `http://localhost:8000/test/test.html` in your browser.
 
 Another good page, if you want to interactively test out your changes, is `http://localhost:8000/test/demo/basic.html`.
 
+You can also get a report of the tests' code coverage:
+
+    grunt coverage
+
+The report shows up at `coverage/html/index.html` viewable in a browser.
+
 ### Contributing
 
 OpenSeadragon is truly a community project; we welcome your involvement!

changelog.txt

@@ -37,6 +37,7 @@ OPENSEADRAGON CHANGELOG
     * Viewport.open supports positioning config properties
 * Margins option to push the home region in from the edges of the Viewer (#505)
 * Rect and Point toString() functions are now consistent: rounding values to nearest hundredth
+* Overlays appear in the DOM immediately on open or addOverlay (#507)
 
 1.2.0: (in progress)
 

package.json

@@ -10,11 +10,11 @@
     "grunt-git-describe": "^2.3.2",
     "grunt-contrib-uglify": "^0.4.0",
     "grunt-contrib-watch": "^0.6.1",
-    "grunt-contrib-qunit": "^0.5.1",
     "grunt-contrib-jshint": "^0.10.0",
     "grunt-contrib-compress": "^0.9.1",
     "grunt-contrib-connect": "^0.7.1",
-    "qunitjs": "^1.14.0"
+    "qunitjs": "^1.14.0",
+    "grunt-qunit-istanbul": "^0.4.5"
   },
   "scripts": {
     "test": "grunt test"

src/drawer.js

@@ -129,8 +129,10 @@ $.Drawer = function( options ) {
            * @memberof OpenSeadragon.Viewer
            * @type {object}
            * @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
-           * @property {OpenSeadragon.Tile} tile
+           * @property {OpenSeadragon.Tile} tile - The Tile being drawn.
-           * @property {?Object} userData - 'context', 'tile' and 'rendered'.
+           * @property {OpenSeadragon.Tile} context - The HTML canvas context being drawn into.
+           * @property {OpenSeadragon.Tile} rendered - The HTML canvas context containing the tile imagery.
+           * @property {?Object} userData - Arbitrary subscriber-defined object.
            */
             _this.viewer.raiseEvent('tile-drawing', args);
         }
@@ -187,25 +189,28 @@ $.Drawer.prototype = /** @lends OpenSeadragon.Drawer.prototype */{
 
     // deprecated
     needsUpdate: function() {
-        $.console.error( "[Drawer.needsUpdate] this function is deprecated." );
+        $.console.error( "[Drawer.needsUpdate] this function is deprecated. Use World.needsUpdate instead." );
-        return false;
+        return this.viewer.world.needsUpdate();
     },
 
     // deprecated
     numTilesLoaded: function() {
-        $.console.error( "[Drawer.numTilesLoaded] this function is deprecated." );
+        $.console.error( "[Drawer.numTilesLoaded] this function is deprecated. Use TileCache.numTilesLoaded instead." );
-        return 0;
+        return this.viewer.tileCache.numTilesLoaded();
     },
 
     // deprecated
     reset: function() {
-        $.console.error( "[Drawer.reset] this function is deprecated." );
+        $.console.error( "[Drawer.reset] this function is deprecated. Use World.resetItems instead." );
+        this.viewer.world.resetItems();
         return this;
     },
 
     // deprecated
     update: function() {
-        $.console.error( "[Drawer.update] this function is deprecated." );
+        $.console.error( "[Drawer.update] this function is deprecated. Use Drawer.clear and World.update instead." );
+        this.clear();
+        this.viewer.world.update();
         return this;
     },
 

src/tilecache.js

@@ -155,7 +155,7 @@ $.TileCache.prototype = /** @lends OpenSeadragon.TileCache.prototype */{
 
         // Note that just because we're unloading a tile doesn't necessarily mean
         // we're unloading an image. With repeated calls it should sort itself out, though.
-        if ( this._imagesLoadedCount >= this._maxImageCacheCount ) {
+        if ( this._imagesLoadedCount > this._maxImageCacheCount ) {
             var worstTile       = null;
             var worstTileIndex  = -1;
             var prevTile, worstTime, worstLevel, prevTime, prevLevel, prevTileRecord;

src/tiledimage.js

@@ -438,6 +438,7 @@ function updateLevel( tiledImage, haveDrawn, drawLevel, level, levelOpacity, lev
          * @memberof OpenSeadragon.Viewer
          * @type {object}
          * @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
+         * @property {OpenSeadragon.TiledImage} tiledImage - Which TiledImage is being drawn.
          * @property {Object} havedrawn
          * @property {Object} level
          * @property {Object} opacity
@@ -449,6 +450,7 @@ function updateLevel( tiledImage, haveDrawn, drawLevel, level, levelOpacity, lev
          * @property {?Object} userData - Arbitrary subscriber-defined object.
          */
         tiledImage.viewer.raiseEvent( 'update-level', {
+            tiledImage: tiledImage,
             havedrawn: haveDrawn,
             level: level,
             opacity: levelOpacity,
@@ -519,10 +521,12 @@ function updateTile( tiledImage, drawLevel, haveDrawn, x, y, level, levelOpacity
          * @memberof OpenSeadragon.Viewer
          * @type {object}
          * @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
+         * @property {OpenSeadragon.TiledImage} tiledImage - Which TiledImage is being drawn.
          * @property {OpenSeadragon.Tile} tile
          * @property {?Object} userData - Arbitrary subscriber-defined object.
          */
         tiledImage.viewer.raiseEvent( 'update-tile', {
+            tiledImage: tiledImage,
             tile: tile
         });
     }
@@ -868,25 +872,6 @@ function drawTiles( tiledImage, lastDrawn ){
         position,
         tileSource;
 
-    // We need a callback to give image manipulation a chance to happen
-    var drawingHandler = function(args) {
-        if (tiledImage.viewer) {
-          /**
-           * This event is fired just before the tile is drawn giving the application a chance to alter the image.
-           *
-           * NOTE: This event is only fired when the tiledImage is using a <canvas>.
-           *
-           * @event tile-drawing
-           * @memberof OpenSeadragon.Viewer
-           * @type {object}
-           * @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
-           * @property {OpenSeadragon.Tile} tile
-           * @property {?Object} userData - 'context', 'tile' and 'rendered'.
-           */
-            tiledImage.viewer.raiseEvent('tile-drawing', args);
-        }
-    };
-
     for ( i = lastDrawn.length - 1; i >= 0; i-- ) {
         tile = lastDrawn[ i ];
         tiledImage._drawer.drawTile( tile );
@@ -908,10 +893,12 @@ function drawTiles( tiledImage, lastDrawn ){
              * @memberof OpenSeadragon.Viewer
              * @type {object}
              * @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
+             * @property {OpenSeadragon.TiledImage} tiledImage - Which TiledImage is being drawn.
              * @property {OpenSeadragon.Tile} tile
              * @property {?Object} userData - Arbitrary subscriber-defined object.
              */
             tiledImage.viewer.raiseEvent( 'tile-drawn', {
+                tiledImage: tiledImage,
                 tile: tile
             });
         }

src/viewer.js

@@ -207,6 +207,7 @@ $.Viewer = function( options ) {
     this._sequenceIndex = 0;
     this._firstOpen = true;
     this._updateRequestId = null;
+    this._loadQueue = [];
     this.currentOverlays = [];
 
     //Inherit some behaviors and properties
@@ -228,7 +229,6 @@ $.Viewer = function( options ) {
     this.element              = this.element || document.getElementById( this.id );
     this.canvas               = $.makeNeutralElement( "div" );
     this.keyboardCommandArea  = $.makeNeutralElement( "textarea" );
-    this.overlaysContainer    = $.makeNeutralElement( "div" );
 
     this.canvas.className = "openseadragon-canvas";
     (function( style ){
@@ -267,7 +267,6 @@ $.Viewer = function( options ) {
     this.container.insertBefore( this.canvas, this.container.firstChild );
     this.container.insertBefore( this.keyboardCommandArea, this.container.firstChild );
     this.element.appendChild( this.container );
-    this.canvas.appendChild( this.overlaysContainer );
 
     //Used for toggling between fullscreen and default container size
     //TODO: these can be closure private and shared across Viewer
@@ -453,6 +452,10 @@ $.Viewer = function( options ) {
         debugGridColor:     this.debugGridColor
     });
 
+    // Overlay container
+    this.overlaysContainer    = $.makeNeutralElement( "div" );
+    this.canvas.appendChild( this.overlaysContainer );
+
     // Now that we have a drawer, see if it supports rotate. If not we need to remove the rotate buttons
     if (!this.drawer.canRotate()) {
         // Disable/remove the rotate left/right buttons since they aren't supported
@@ -619,6 +622,8 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
                         _this.currentOverlays[ i ] = getOverlayObject( _this, _this.overlays[ i ] );
                     }
 
+                    _this._drawOverlays();
+
                     /**
                      * Raised when the viewer has opened and loaded one or more TileSources.
                      *
@@ -688,7 +693,8 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
 
             _this.addTiledImage(options);
 
-            // For backwards compatibility. TODO: deprecate.
+            // TODO: now that options has other things besides tileSource, the overlays
+            // should probably be at the options level, not the tileSource level.
             if (options.tileSource.overlays) {
                 for (var i = 0; i < options.tileSource.overlays.length; i++) {
                     _this.addOverlay(options.tileSource.overlays[i]);
@@ -1260,12 +1266,22 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
         $.console.assert(options, "[Viewer.addTiledImage] options is required");
         $.console.assert(options.tileSource, "[Viewer.addTiledImage] options.tileSource is required");
 
-        var _this = this,
+        var _this = this;
-            tileSource = options.tileSource;
 
         this._hideMessage();
 
+        var myQueueItem = {
+            options: options
+        };
+
         function raiseAddItemFailed( event ) {
+            for (var i = 0; i < _this._loadQueue; i++) {
+                if (_this._loadQueue[i] === myQueueItem) {
+                    _this._loadQueue.splice(i, 1);
+                    break;
+                }
+            }
+
              /**
              * Raised when an error occurs while adding a item.
              * @event add-item-failed
@@ -1284,7 +1300,9 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
             }
         }
 
-        getTileSourceImplementation( this, tileSource, function( tileSource ) {
+        this._loadQueue.push(myQueueItem);
+
+        getTileSourceImplementation( this, options.tileSource, function( tileSource ) {
 
             if ( tileSource instanceof Array ) {
                 raiseAddItemFailed({
@@ -1295,17 +1313,29 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
                 return;
             }
 
-            var tiledImage = new $.TiledImage({
+            myQueueItem.tileSource = tileSource;
+
+            // add everybody at the front of the queue that's ready to go
+            var queueItem, tiledImage, optionsClone;
+            while (_this._loadQueue.length) {
+                queueItem = _this._loadQueue[0];
+                if (!queueItem.tileSource) {
+                    break;
+                }
+
+                _this._loadQueue.splice(0, 1);
+
+                tiledImage = new $.TiledImage({
                     viewer: _this,
-                source: tileSource,
+                    source: queueItem.tileSource,
                     viewport: _this.viewport,
                     drawer: _this.drawer,
                     tileCache: _this.tileCache,
                     imageLoader: _this.imageLoader,
-                x: options.x,
+                    x: queueItem.options.x,
-                y: options.y,
+                    y: queueItem.options.y,
-                width: options.width,
+                    width: queueItem.options.width,
-                height: options.height,
+                    height: queueItem.options.height,
                     imageLoaderLimit: _this.imageLoaderLimit,
                     minZoomImageRatio: _this.minZoomImageRatio,
                     wrapHorizontal: _this.wrapHorizontal,
@@ -1319,7 +1349,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
                 });
 
                 _this.world.addItem( tiledImage, {
-                index: options.index
+                    index: queueItem.options.index
                 });
 
                 if (_this.collectionMode) {
@@ -1336,19 +1366,20 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
                 }
 
                 if (_this.navigator) {
-                var optionsClone = $.extend({}, options, {
+                    optionsClone = $.extend({}, queueItem.options, {
                         originalTiledImage: tiledImage,
-                    tileSource: tileSource
+                        tileSource: queueItem.tileSource
                     });
 
                     _this.navigator.addTiledImage(optionsClone);
                 }
 
-            if (options.success) {
+                if (queueItem.options.success) {
-                options.success({
+                    queueItem.options.success({
                         item: tiledImage
                     });
                 }
+            }
         }, function( event ) {
             event.options = options;
             raiseAddItemFailed(event);
@@ -1747,8 +1778,11 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
             // they're trying to add a duplicate overlay
             return this;
         }
-        this.currentOverlays.push( getOverlayObject( this, options ) );
+
-        THIS[ this.hash ].forceRedraw = true;
+        var overlay = getOverlayObject( this, options);
+        this.currentOverlays.push(overlay);
+        overlay.drawHTML( this.overlaysContainer, this.viewport );
+
         /**
          * Raised when an overlay is added to the viewer (see {@link OpenSeadragon.Viewer#addOverlay}).
          *
@@ -1955,8 +1989,16 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
             default:
                 return this.gestureSettingsUnknown;
         }
-    }
+    },
 
+    // private
+    _drawOverlays: function() {
+        var i,
+            length = this.currentOverlays.length;
+        for ( i = 0; i < length; i++ ) {
+            this.currentOverlays[ i ].drawHTML( this.overlaysContainer, this.viewport );
+        }
+    }
 });
 
 
@@ -2114,14 +2156,6 @@ function getOverlayIndex( overlays, element ) {
     return -1;
 }
 
-function drawOverlays( viewport, overlays, container ) {
-    var i,
-        length = overlays.length;
-    for ( i = 0; i < length; i++ ) {
-        overlays[ i ].drawHTML( container, viewport );
-    }
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // Schedulers provide the general engine for animation
 ///////////////////////////////////////////////////////////////////////////////
@@ -2645,7 +2679,7 @@ function updateOnce( viewer ) {
 
     if ( animated || THIS[ viewer.hash ].forceRedraw || viewer.world.needsUpdate() ) {
         updateWorld( viewer );
-        drawOverlays( viewer.viewport, viewer.currentOverlays, viewer.overlaysContainer );
+        viewer._drawOverlays();
         if( viewer.navigator ){
             viewer.navigator.update( viewer.viewport );
         }

test/coverage.html

@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>OpenSeadragon QUnit</title>
+    <link rel="stylesheet" href="/node_modules/qunitjs/qunit/qunit.css">
+    <link rel="stylesheet" href="/test/lib/jquery-ui-1.10.2/css/smoothness/jquery-ui-1.10.2.min.css">
+    <link rel="stylesheet" href="/test/helpers/test.css">
+</head>
+<body>
+    <div id="qunit"></div>
+    <div id="qunit-fixture"></div>
+    <script src="/node_modules/qunitjs/qunit/qunit.js"></script>
+    <script src="/test/lib/jquery-1.9.1.min.js"></script>
+    <script src="/test/lib/jquery-ui-1.10.2/js/jquery-ui-1.10.2.min.js"></script>
+    <script src="/test/lib/jquery.simulate.js"></script>
+
+    <!-- OpenSeadragon sources -->
+    <script src="/src/openseadragon.js"></script>
+    <script src="/src/fullscreen.js"></script>
+    <script src="/src/eventsource.js"></script>
+    <script src="/src/mousetracker.js"></script>
+    <script src="/src/control.js"></script>
+    <script src="/src/controldock.js"></script>
+    <script src="/src/viewer.js"></script>
+    <script src="/src/navigator.js"></script>
+    <script src="/src/strings.js"></script>
+    <script src="/src/point.js"></script>
+    <script src="/src/tilesource.js"></script>
+    <script src="/src/dzitilesource.js"></script>
+    <script src="/src/iiiftilesource.js"></script>
+    <script src="/src/osmtilesource.js"></script>
+    <script src="/src/tmstilesource.js"></script>
+    <script src="/src/legacytilesource.js"></script>
+    <script src="/src/tilesourcecollection.js"></script>
+    <script src="/src/button.js"></script>
+    <script src="/src/buttongroup.js"></script>
+    <script src="/src/rectangle.js"></script>
+    <script src="/src/referencestrip.js"></script>
+    <script src="/src/displayrectangle.js"></script>
+    <script src="/src/spring.js"></script>
+    <script src="/src/imageLoader.js"></script>
+    <script src="/src/tile.js"></script>
+    <script src="/src/overlay.js"></script>
+    <script src="/src/drawer.js"></script>
+    <script src="/src/viewport.js"></script>
+    <script src="/src/tiledimage.js"></script>
+    <script src="/src/tilecache.js"></script>
+    <script src="/src/world.js"></script>
+
+    <!-- Helpers -->
+    <script src="/test/helpers/legacy.mouse.shim.js"></script>
+    <script src="/test/helpers/test.js"></script>
+
+    <!-- Modules -->
+    <!-- Polyfill must be inserted first because it is testing functions
+         reassignments which could be done by other test. -->
+    <script src="/test/modules/polyfills.js"></script>
+    <script src="/test/modules/basic.js"></script>
+    <script src="/test/modules/strings.js"></script>
+    <script src="/test/modules/formats.js"></script>
+    <script src="/test/modules/utils.js"></script>
+    <script src="/test/modules/events.js"></script>
+    <script src="/test/modules/units.js"></script>
+    <script src="/test/modules/multi-image.js"></script>
+    <script src="/test/modules/overlays.js"></script>
+    <script src="/test/modules/controls.js"></script>
+    <script src="/test/viewport.js"></script>
+    <script src="/test/modules/world.js"></script>
+    <script src="/test/modules/drawer.js"></script>
+    <script src="/test/modules/tiledimage.js"></script>
+    <script src="/test/modules/tilecache.js"></script>
+    <script src="/test/modules/referencestrip.js"></script>
+    <script src="/test/modules/tilesourcecollection.js"></script>
+    <!-- The navigator tests are the slowest (for now; hopefully they can be sped up)
+    so we put them last. -->
+    <script src="/test/modules/navigator.js"></script>
+</body>
+</html>

test/demo/collections/index.html

@@ -19,10 +19,6 @@
                 background-color: rgba(255, 0, 0, 0.3);
             }
 
-            #overlay1 {
-                z-index: 10;
-            }
-
         </style>
     </head>
     <body>

test/demo/collections/main.js

@@ -6,8 +6,8 @@
         init: function() {
             var self = this;
 
-            var testInitialOpen = false;
+            var testInitialOpen = true;
-            var testOverlays = false;
+            var testOverlays = true;
             var testMargins = false;
             var testNavigator = false;
             var margins;
@@ -16,8 +16,8 @@
                 // debugMode: true,
                 zoomPerScroll: 1.02,
                 showNavigator: testNavigator,
-                sequenceMode: true,
+                // sequenceMode: true,
-                showReferenceStrip: true,
+                // showReferenceStrip: true,
                 // referenceStripScroll: 'vertical',
                 navPrevNextWrap: false,
                 preserveViewport: false,
@@ -54,7 +54,7 @@
                 config.overlays = [
                     {
                         id: "overlay1",
-                        x: 0,
+                        x: 2,
                         y: 0,
                         width: 0.25,
                         height: 0.25
@@ -92,7 +92,6 @@
 
             if (testInitialOpen) {
                 this.viewer.addHandler( "open", function() {
-                    // console.log(self.viewer.viewport.contentSize);
                 });
             }
 

test/helpers/test.js

@@ -50,6 +50,7 @@
                 .simulate( OpenSeadragon.MouseTracker.haveMouseEnter ? 'mouseleave' : 'mouseout', event );
         },
 
+        // ----------
         initializeTestDOM: function () {
             $( "#qunit-fixture" )
                 .append( '<div><div id="example"></div><div id="exampleNavigator"></div></div>' )
@@ -57,14 +58,17 @@
                 .append( '<div id="tallexample"></div>' );
         },
 
+        // ----------
         equalsWithVariance: function ( value1, value2, variance ) {
             return Math.abs( value1 - value2 ) <= variance;
         },
 
+        // ----------
         assessNumericValue: function ( value1, value2, variance, message ) {
             ok( Util.equalsWithVariance( value1, value2, variance ), message + " Expected:" + value1 + " Found: " + value2 + " Variance: " + variance );
         },
 
+        // ----------
         timeWatcher: function ( time ) {
             time = time || 2000;
             var finished = false;
@@ -85,8 +89,46 @@
                     }
                 }
             };
+        },
+
+        // ----------
+        spyOnce: function(obj, functionName, callback) {
+            var original = obj[functionName];
+            obj[functionName] = function() {
+                obj[functionName] = original;
+                var result = callback.apply(this, arguments);
+                if (result === undefined) {
+                    result = original.apply(this, arguments);
                 }
 
+                return result;
+            };
+        },
+
+        // ----------
+        testDeprecation: function(obj0, member0, obj1, member1) {
+            var called = false;
+            var errored = false;
+
+            if (obj1 && member1) {
+                this.spyOnce(obj1, member1, function() {
+                    called = true;
+                    return false;
+                });
+            } else {
+                called = true;
+            }
+
+            this.spyOnce(OpenSeadragon.console, 'error', function(message) {
+                if (/deprecated/.test(message)) {
+                    errored = true;
+                }
+            });
+
+            obj0[member0]();
+            equal(called, true, 'called through for ' + member0);
+            equal(errored, true, 'errored for ' + member0);
+        }
     };
 
     /*

test/modules/drawer.js

@@ -0,0 +1,100 @@
+/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */
+
+(function() {
+    var viewer;
+
+    module('Drawer', {
+        setup: function () {
+            var example = $('<div id="example"></div>').appendTo("#qunit-fixture");
+
+            testLog.reset();
+        },
+        teardown: function () {
+            if (viewer && viewer.close) {
+                viewer.close();
+            }
+
+            viewer = null;
+        }
+    });
+
+    // ----------
+    var createViewer = function(options) {
+        options = options || {};
+        viewer = OpenSeadragon(OpenSeadragon.extend({
+            id:            'example',
+            prefixUrl:     '/build/openseadragon/images/',
+            springStiffness: 100 // Faster animation = faster tests
+        }, options));
+    };
+
+    // ----------
+    asyncTest('basics', function() {
+        createViewer();
+        ok(viewer.drawer, 'Drawer exists');
+        equal(viewer.drawer.canRotate(), OpenSeadragon.supportsCanvas, 'we can rotate if we have canvas');
+        equal(viewer.drawer.getOpacity(), 1, 'starts with full opacity');
+        viewer.drawer.setOpacity(0.4);
+        equal(viewer.drawer.getOpacity(), 0.4, 'setting opacity works');
+        start();
+    });
+
+    // ----------
+    asyncTest('tile-drawing event', function() {
+        createViewer({
+            tileSources: '/test/data/testpattern.dzi'
+        });
+
+        viewer.addHandler('tile-drawing', function handler(event) {
+            viewer.removeHandler('tile-drawing', handler);
+            equal(event.eventSource, viewer, 'sender of tile-drawing event was viewer');
+            ok(event.tile, 'tile-drawing event includes a tile');
+            ok(event.context, 'tile-drawing event includes a context');
+            ok(event.rendered, 'tile-drawing event includes a rendered');
+            start();
+        });
+    });
+
+    // ----------
+    asyncTest('rotation', function() {
+        createViewer({
+            tileSources: '/test/data/testpattern.dzi'
+        });
+
+        viewer.addHandler('open', function handler(event) {
+            viewer.viewport.setRotation(30);
+            Util.spyOnce(viewer.drawer.context, 'rotate', function() {
+                ok(true, 'drawing with new rotation');
+                start();
+            });
+        });
+    });
+
+    // ----------
+    asyncTest('debug', function() {
+        createViewer({
+            tileSources: '/test/data/testpattern.dzi',
+            debugMode: true
+        });
+
+        Util.spyOnce(viewer.drawer, 'drawDebugInfo', function() {
+            ok(true, 'drawDebugInfo is called');
+            start();
+        });
+    });
+
+    // ----------
+    asyncTest('deprecations', function() {
+        createViewer();
+        Util.testDeprecation(viewer.drawer, 'addOverlay', viewer, 'addOverlay');
+        Util.testDeprecation(viewer.drawer, 'updateOverlay', viewer, 'updateOverlay');
+        Util.testDeprecation(viewer.drawer, 'removeOverlay', viewer, 'removeOverlay');
+        Util.testDeprecation(viewer.drawer, 'clearOverlays', viewer, 'clearOverlays');
+        Util.testDeprecation(viewer.drawer, 'needsUpdate', viewer.world, 'needsUpdate');
+        Util.testDeprecation(viewer.drawer, 'numTilesLoaded', viewer.tileCache, 'numTilesLoaded');
+        Util.testDeprecation(viewer.drawer, 'reset', viewer.world, 'resetItems');
+        Util.testDeprecation(viewer.drawer, 'update', viewer.world, 'update');
+        start();
+    });
+
+})();

test/modules/multi-image.js

@@ -118,8 +118,8 @@
         viewer.open( '/test/data/testpattern.dzi' );
     });
 
+    // ----------
     asyncTest( 'Sequences as items', function() {
-
         var options = {
             tileSource: [{
                     type: 'legacy-image-pyramid',
@@ -154,4 +154,25 @@
         viewer.open( '/test/data/testpattern.dzi' );
     });
 
+    // ----------
+    asyncTest('items are added in order', function() {
+        viewer.addHandler('open', function(event) {
+            equal(viewer.world.getItemAt(0).getContentSize().y, 2000, 'first image is tall');
+            equal(viewer.world.getItemAt(0).getBounds().width, 4, 'first image has 4 width');
+            equal(viewer.world.getItemAt(1).getContentSize().x, 2000, 'second image is wide');
+            equal(viewer.world.getItemAt(1).getBounds().width, 2, 'second image has 2 width');
+            start();
+        });
+
+        viewer.open([
+            {
+                tileSource: '/test/data/tall.dzi',
+                width: 4
+            }, {
+                tileSource: '/test/data/wide.dzi',
+                width: 2
+            }
+        ]);
+    });
+
 })();

test/modules/navigator.js

@@ -1,7 +1,5 @@
 /* global QUnit, module, Util, $, console, test, asyncTest, start, ok, equal */
 
-QUnit.config.autostart = false;
-
 (function () {
     var debug = false,
         viewer,
@@ -31,10 +29,6 @@ QUnit.config.autostart = false;
         }
     });
 
-    $(document).ready(function () {
-        start();
-    });
-
     var resetTestVariables = function () {
         if (viewer) {
             viewer.close();

test/modules/overlays.js

@@ -1,4 +1,4 @@
-/* global QUnit, module, Util, $, console, test, asyncTest, start, ok, equal */
+/* global QUnit, module, Util, $, console, test, asyncTest, start, ok, equal, testLog */
 
 ( function() {
     var viewer;
@@ -532,4 +532,35 @@
 
     } );
 
+    // ----------
+    asyncTest('overlays appear immediately', function() {
+        equal($('#immediate-overlay0').length, 0, 'overlay 0 does not exist');
+        equal($('#immediate-overlay1').length, 0, 'overlay 1 does not exist');
+
+        viewer = OpenSeadragon( {
+            id: 'example-overlays',
+            prefixUrl: '/build/openseadragon/images/',
+            tileSources: '/test/data/testpattern.dzi',
+            springStiffness: 100, // Faster animation = faster tests
+            overlays: [ {
+                    x: 0,
+                    y: 0,
+                    id: "immediate-overlay0"
+                } ]
+        } );
+
+        viewer.addHandler('open', function() {
+            equal($('#immediate-overlay0').length, 1, 'overlay 0 exists');
+
+            viewer.addOverlay( {
+                x: 0,
+                y: 0,
+                id: "immediate-overlay1"
+            } );
+
+            equal($('#immediate-overlay1').length, 1, 'overlay 1 exists');
+            start();
+        });
+    });
+
 } )( );

test/modules/referencestrip.js

@@ -0,0 +1,46 @@
+/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */
+
+(function() {
+    var viewer;
+
+    module('ReferenceStrip', {
+        setup: function () {
+            var example = $('<div id="example"></div>').appendTo("#qunit-fixture");
+
+            testLog.reset();
+        },
+        teardown: function () {
+            if (viewer && viewer.close) {
+                viewer.close();
+            }
+
+            viewer = null;
+        }
+    });
+
+    // ----------
+    var createViewer = function(options) {
+        options = options || {};
+        viewer = OpenSeadragon(OpenSeadragon.extend({
+            id:            'example',
+            prefixUrl:     '/build/openseadragon/images/',
+            springStiffness: 100 // Faster animation = faster tests
+        }, options));
+    };
+
+    // ----------
+    asyncTest('basics', function() {
+        createViewer({
+            sequenceMode: true,
+            showReferenceStrip: true,
+            tileSources: [
+                '/test/data/tall.dzi',
+                '/test/data/wide.dzi',
+            ]
+        });
+
+        ok(viewer.referenceStrip, 'referenceStrip exists');
+        start();
+    });
+
+})();

test/modules/tilecache.js

@@ -0,0 +1,111 @@
+/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */
+
+(function() {
+
+    // ----------
+    module('TileCache', {
+        setup: function () {
+            testLog.reset();
+        },
+        teardown: function () {
+        }
+    });
+
+    // ----------
+    asyncTest('basics', function() {
+        var fakeTiledImage0 = {};
+        var fakeTiledImage1 = {};
+
+        var fakeTile0 = {
+            url: 'foo.jpg',
+            image: {},
+            unload: function() {}
+        };
+
+        var fakeTile1 = {
+            url: 'foo.jpg',
+            image: {},
+            unload: function() {}
+        };
+
+        var cache = new OpenSeadragon.TileCache();
+        equal(cache.numTilesLoaded(), 0, 'no tiles to begin with');
+
+        cache.cacheTile({
+            tile: fakeTile0,
+            tiledImage: fakeTiledImage0
+        });
+
+        equal(cache.numTilesLoaded(), 1, 'tile count after cache');
+
+        cache.cacheTile({
+            tile: fakeTile1,
+            tiledImage: fakeTiledImage1
+        });
+
+        equal(cache.numTilesLoaded(), 2, 'tile count after second cache');
+
+        cache.clearTilesFor(fakeTiledImage0);
+
+        equal(cache.numTilesLoaded(), 1, 'tile count after first clear');
+
+        cache.clearTilesFor(fakeTiledImage1);
+
+        equal(cache.numTilesLoaded(), 0, 'tile count after second clear');
+
+        start();
+    });
+
+    // ----------
+    asyncTest('maxImageCacheCount', function() {
+        var fakeTiledImage0 = {};
+
+        var fakeTile0 = {
+            url: 'different.jpg',
+            image: {},
+            unload: function() {}
+        };
+
+        var fakeTile1 = {
+            url: 'same.jpg',
+            image: {},
+            unload: function() {}
+        };
+
+        var fakeTile2 = {
+            url: 'same.jpg',
+            image: {},
+            unload: function() {}
+        };
+
+        var cache = new OpenSeadragon.TileCache({
+            maxImageCacheCount: 1
+        });
+
+        equal(cache.numTilesLoaded(), 0, 'no tiles to begin with');
+
+        cache.cacheTile({
+            tile: fakeTile0,
+            tiledImage: fakeTiledImage0
+        });
+
+        equal(cache.numTilesLoaded(), 1, 'tile count after add');
+
+        cache.cacheTile({
+            tile: fakeTile1,
+            tiledImage: fakeTiledImage0
+        });
+
+        equal(cache.numTilesLoaded(), 1, 'tile count after add of second image');
+
+        cache.cacheTile({
+            tile: fakeTile2,
+            tiledImage: fakeTiledImage0
+        });
+
+        equal(cache.numTilesLoaded(), 2, 'tile count after additional same image');
+
+        start();
+    });
+
+})();

test/modules/tiledimage.js

@@ -0,0 +1,144 @@
+/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */
+
+(function() {
+    var viewer;
+
+    module('TiledImage', {
+        setup: function () {
+            var example = $('<div id="example"></div>').appendTo("#qunit-fixture");
+
+            testLog.reset();
+
+            viewer = OpenSeadragon({
+                id:            'example',
+                prefixUrl:     '/build/openseadragon/images/',
+                springStiffness: 100 // Faster animation = faster tests
+            });
+        },
+        teardown: function () {
+            if (viewer && viewer.close) {
+                viewer.close();
+            }
+
+            viewer = null;
+        }
+    });
+
+    // ----------
+    var checkBounds = function(image, expected, message) {
+        var bounds = image.getBounds();
+        equal(bounds.x, expected.x, message + ' x');
+        equal(bounds.y, expected.y, message + ' y');
+        equal(bounds.width, expected.width, message + ' width');
+        equal(bounds.height, expected.height, message + ' height');
+    };
+
+    // ----------
+    asyncTest('metrics', function() {
+        var handlerCount = 0;
+
+        viewer.addHandler('open', function(event) {
+            var image = viewer.world.getItemAt(0);
+            var contentSize = image.getContentSize();
+            equal(contentSize.x, 500, 'contentSize.x');
+            equal(contentSize.y, 2000, 'contentSize.y');
+
+            checkBounds(image, new OpenSeadragon.Rect(5, 6, 10, 40), 'initial bounds');
+
+            image.addHandler('bounds-change', function boundsChangeHandler(event) {
+                image.removeHandler('bounds-change', boundsChangeHandler);
+                handlerCount++;
+            });
+
+            image.setPosition(new OpenSeadragon.Point(7, 8));
+            checkBounds(image, new OpenSeadragon.Rect(7, 8, 10, 40), 'bounds after position');
+
+            image.setWidth(5);
+            checkBounds(image, new OpenSeadragon.Rect(7, 8, 5, 20), 'bounds after width');
+
+            image.setHeight(4);
+            checkBounds(image, new OpenSeadragon.Rect(7, 8, 1, 4), 'bounds after width');
+
+            equal(handlerCount, 1, 'correct number of handlers called');
+            start();
+        });
+
+        viewer.open({
+            tileSource: '/test/data/tall.dzi',
+            x: 5,
+            y: 6,
+            width: 10
+        });
+    });
+
+    // ----------
+    asyncTest('update', function() {
+        var handlerCount = 0;
+
+        viewer.addHandler('open', function(event) {
+            var image = viewer.world.getItemAt(0);
+            equal(image.needsUpdate(), true, 'needs update after open');
+
+            viewer.addHandler('update-level', function updateLevelHandler(event) {
+                viewer.removeHandler('update-level', updateLevelHandler);
+                handlerCount++;
+                equal(event.eventSource, viewer, 'sender of update-level event was viewer');
+                equal(event.tiledImage, image, 'tiledImage of update-level event is correct');
+                ok('havedrawn' in event, 'update-level event includes havedrawn');
+                ok('level' in event, 'update-level event includes level');
+                ok('opacity' in event, 'update-level event includes opacity');
+                ok('visibility' in event, 'update-level event includes visibility');
+                ok('topleft' in event, 'update-level event includes topleft');
+                ok('bottomright' in event, 'update-level event includes bottomright');
+                ok('currenttime' in event, 'update-level event includes currenttime');
+                ok('best' in event, 'update-level event includes best');
+            });
+
+            viewer.addHandler('update-tile', function updateTileHandler(event) {
+                viewer.removeHandler('update-tile', updateTileHandler);
+                handlerCount++;
+                equal(event.eventSource, viewer, 'sender of update-tile event was viewer');
+                equal(event.tiledImage, image, 'tiledImage of update-level event is correct');
+                ok(event.tile, 'update-tile event includes tile');
+            });
+
+            viewer.addHandler('tile-drawn', function tileDrawnHandler(event) {
+                viewer.removeHandler('tile-drawn', tileDrawnHandler);
+                handlerCount++;
+                equal(event.eventSource, viewer, 'sender of tile-drawn event was viewer');
+                equal(event.tiledImage, image, 'tiledImage of update-level event is correct');
+                ok(event.tile, 'tile-drawn event includes tile');
+
+                equal(handlerCount, 3, 'correct number of handlers called');
+                start();
+            });
+
+            image.update();
+        });
+
+        viewer.open('/test/data/testpattern.dzi');
+    });
+
+    // ----------
+    asyncTest('reset', function() {
+        viewer.addHandler('tile-drawn', function updateHandler() {
+            viewer.removeHandler('tile-drawn', updateHandler);
+            ok(viewer.tileCache.numTilesLoaded() > 0, 'we have tiles after tile-drawn');
+            viewer.world.getItemAt(0).reset();
+            equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles after reset');
+
+            viewer.addHandler('tile-drawn', function updateHandler2() {
+                viewer.removeHandler('tile-drawn', updateHandler2);
+                ok(viewer.tileCache.numTilesLoaded() > 0, 'more tiles load');
+                viewer.world.getItemAt(0).destroy();
+                equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles after destroy');
+                start();
+            });
+        });
+
+        equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles at start');
+
+        viewer.open('/test/data/testpattern.dzi');
+    });
+
+})();

test/modules/tilesourcecollection.js

@@ -0,0 +1,20 @@
+/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */
+
+(function() {
+    var viewer;
+
+    module('TileSourceCollection', {
+        setup: function () {
+            testLog.reset();
+        },
+        teardown: function () {
+        }
+    });
+
+    // ----------
+    asyncTest('deprecation', function() {
+        Util.testDeprecation(OpenSeadragon, 'TileSourceCollection');
+        start();
+    });
+
+})();

test/test.html

@@ -5,7 +5,7 @@
     <title>OpenSeadragon QUnit</title>
     <link rel="stylesheet" href="/node_modules/qunitjs/qunit/qunit.css">
     <link rel="stylesheet" href="/test/lib/jquery-ui-1.10.2/css/smoothness/jquery-ui-1.10.2.min.css">
-    <link rel="stylesheet" href="/test/test.css">
+    <link rel="stylesheet" href="/test/helpers/test.css">
 </head>
 <body>
     <div id="qunit"></div>
@@ -15,25 +15,30 @@
     <script src="/test/lib/jquery-ui-1.10.2/js/jquery-ui-1.10.2.min.js"></script>
     <script src="/test/lib/jquery.simulate.js"></script>
     <script src="/build/openseadragon/openseadragon.js"></script>
-    <script src="/test/legacy.mouse.shim.js"></script>
+    <script src="/test/helpers/legacy.mouse.shim.js"></script>
-    <script src="/test/test.js"></script>
+    <script src="/test/helpers/test.js"></script>
 
     <!-- Polyfill must be inserted first because it is testing functions
          reassignments which could be done by other test. -->
-    <script src="/test/polyfills.js"></script>
+    <script src="/test/modules/polyfills.js"></script>
-    <script src="/test/basic.js"></script>
+    <script src="/test/modules/basic.js"></script>
-    <script src="/test/strings.js"></script>
+    <script src="/test/modules/strings.js"></script>
-    <script src="/test/formats.js"></script>
+    <script src="/test/modules/formats.js"></script>
-    <script src="/test/utils.js"></script>
+    <script src="/test/modules/utils.js"></script>
-    <script src="/test/events.js"></script>
+    <script src="/test/modules/events.js"></script>
-    <script src="/test/units.js"></script>
+    <script src="/test/modules/units.js"></script>
-    <script src="/test/multi-image.js"></script>
+    <script src="/test/modules/multi-image.js"></script>
-    <script src="/test/overlays.js"></script>
+    <script src="/test/modules/overlays.js"></script>
-    <script src="/test/controls.js"></script>
+    <script src="/test/modules/controls.js"></script>
     <script src="/test/viewport.js"></script>
-    <script src="/test/world.js"></script>
+    <script src="/test/modules/world.js"></script>
+    <script src="/test/modules/drawer.js"></script>
+    <script src="/test/modules/tiledimage.js"></script>
+    <script src="/test/modules/tilecache.js"></script>
+    <script src="/test/modules/referencestrip.js"></script>
+    <script src="/test/modules/tilesourcecollection.js"></script>
     <!-- The navigator tests are the slowest (for now; hopefully they can be sped up)
     so we put them last. -->
-    <script src="/test/navigator.js"></script>
+    <script src="/test/modules/navigator.js"></script>
 </body>
 </html>