openlayers/tests/Strategy/Save.html

   1 <html>
   2 <head>
   3   <script src="../../lib/OpenLayers.js"></script>
   4   <script type="text/javascript">
   5
   6     function test_initialize(t) {
   7         t.plan(1);
   8         var strategy = new OpenLayers.Strategy.Save();
   9         t.eq(strategy.auto, false, "auto is false by default");
  10     }
  11
  12     function test_activate(t) {
  13
  14         t.plan(3);
  15
  16         var strategy = new OpenLayers.Strategy.Save();
  17         var layer = new OpenLayers.Layer.Vector(null, {
  18             isBaseLayer: true,
  19             protocol: new OpenLayers.Protocol(),
  20             strategies: [strategy]
  21         });
  22         var map = new OpenLayers.Map("map");
  23         map.addLayer(layer);
  24         map.zoomToMaxExtent();
  25
  26         // check that auto true registers listeners
  27         strategy.deactivate();
  28         strategy.auto = true;
  29         strategy.activate();
  30         t.ok(layer.events.listeners["featureadded"][0].func === strategy.triggerSave,
  31              "[auto true] triggerSave registered as listener for featureadded");
  32         t.ok(layer.events.listeners["afterfeaturemodified"][0].func === strategy.triggerSave,
  33              "[auto true] triggerSave registered as listener for afterfeaturemodified");
  34
  35         // check that auto can be set to interval
  36         strategy.deactivate();
  37         strategy.auto = 1;
  38         strategy.activate();
  39         t.ok(strategy.timer != null, "[auto number] timer set")
  40
  41         map.destroy();
  42
  43     }
  44
  45     function test_save(t) {
  46         t.plan(5);
  47
  48         var strategy = new OpenLayers.Strategy.Save();
  49
  50         // mock up a protocol for synchronous and successful commits
  51         var protocol = new OpenLayers.Protocol({
  52             commit: function(features, options) {
  53                 var response = new OpenLayers.Protocol.Response();
  54                 response.reqFeatures = features;
  55                 response.insertIds = [];
  56                 for(var i=0; i<features.length; ++i) {
  57                     if(features[i].state == OpenLayers.State.INSERT) {
  58                         response.insertIds.push("new_" + i);
  59                     }
  60                 }
  61                 response.code = OpenLayers.Protocol.Response.SUCCESS;
  62                 options.callback.call(options.scope, response);
  63             }
  64         });
  65
  66         var layer = new OpenLayers.Layer.Vector(null, {
  67             isBaseLayer: true,
  68             protocol: protocol,
  69             strategies: [strategy]
  70         });
  71         var map = new OpenLayers.Map("map");
  72         map.addLayer(layer);
  73         map.zoomToMaxExtent();
  74
  75         // give the layer some features
  76         var features = [
  77             new OpenLayers.Feature.Vector(), // insert
  78             new OpenLayers.Feature.Vector(), // delete
  79             new OpenLayers.Feature.Vector(), // update
  80             new OpenLayers.Feature.Vector()  // nothing
  81         ];
  82         features[0].state = OpenLayers.State.INSERT;
  83         features[1].state = OpenLayers.State.DELETE;
  84         features[2].state = OpenLayers.State.UPDATE;
  85         layer.addFeatures(features);
  86
  87         // save feature modifications
  88         strategy.save(features);
  89
  90         // confirm that newly created feature has an id and no longer has insert state
  91         t.eq(features[0].fid, "new_0", "newly created feature gets fid");
  92         t.ok(features[0].state == null, "newly created feature no longer insert state");
  93
  94         // confirm that deleted features are not on layer
  95         t.eq(layer.features.length, 3, "layer only has three features");
  96         t.ok(features[1].layer == null, "deleted feature has no layer");
  97
  98         // confirm that updated feature no longer has update state
  99         t.ok(features[2].state == null, "updated feature no longer update state");
 100
 101     }
 102
 103   </script>
 104 </head>
 105 <body>
 106     <div id="map" style="width: 400px; height: 200px" />
 107 </body>
 108 </html>