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Add MapServer layer fixes and tests. Paul wrote these tests (yay Paul!), and

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found all the bugs. This fixes #545, #546, #547, #548 and #562.    


git-svn-id: http://svn.openlayers.org/trunk/openlayers@2893 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2007-03-25 21:35:12 +00:00
parent 75425b9cd4
commit eb13974c5e
3 changed files with 276 additions and 25 deletions
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51
lib/OpenLayers/Layer/MapServer.js
View File

@@ -23,43 +23,44 @@ OpenLayers.Layer.MapServer.prototype =
* @param {str} url
* @param {hash} params
*/
initialize: function(name, url, params) {
initialize: function(name, url, params, options) {
var newArguments = new Array();
//uppercase params
params = OpenLayers.Util.upperCaseObject(params);
newArguments.push(name, url, params);
newArguments.push(name, url, params, options);
OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
if (arguments.length > 0) {
OpenLayers.Util.applyDefaults(
this.params,
OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS)
this.DEFAULT_PARAMS
);
}
// unless explicitly set in options, if the layer is transparent,
// it will be an overlay
if (options == null || options.isBaseLayer == null) {
this.isBaseLayer = ((this.params.transparent != "true") &&
(this.params.transparent != true));
}
},
/**
* @type Boolean
*/
isBaseLayer: function() {
return (this.params.TRANSPARENT != 'true');
},
/**
* @param {String} name
* @param {hash} params
/**
* @param {Object} obj
*
* @returns A clone of this OpenLayers.Layer.MapServer, with the passed-in
* parameters merged in.
* @returns A clone of this OpenLayers.Layer.MapServer
* @type OpenLayers.Layer.MapServer
*/
clone: function (name, params) {
var mergedParams = {};
OpenLayers.Util.extend(mergedParams, this.params);
OpenLayers.Util.extend(mergedParams, params);
var obj = new OpenLayers.Layer.MapServer(name, this.url, mergedParams);
obj.setTileSize(this.tileSize);
clone: function (obj) {
if (obj == null) {
obj = new OpenLayers.Layer.MapServer(this.name,
this.url,
this.params,
this.options);
}
//get all additions from superclasses
obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
// copy/set any non-init, non-simple values here
return obj;
},
@@ -76,7 +77,7 @@ OpenLayers.Layer.MapServer.prototype =
var url = this.getURL(bounds);
return new OpenLayers.Tile.Image(this, position, bounds, url, this.tileSize);
},
/**
* @param {OpenLayers.Bounds} bounds
*

249
tests/Layer/test_MapServer.html Normal file
View File

@@ -0,0 +1,249 @@
<html>
<head>
<script src='http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAAjpkAC9ePGem0lIq5XcMiuhR_wWLPFku8Ix9i2SXYRVK3e45q1BQUd_beF8dtzKET_EteAjPdGDwqpQ'></script>Z
<script src="../../lib/OpenLayers.js"></script>
<script type="text/javascript"><!--
var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
var layer;
var name = 'Test Layer';
var url = "http://labs.metacarta.com/cgi-bin/mapserv";
var params = { map: '/mapdata/vmap_wms.map',
layers: 'basic'};
function test_01_Layer_MapServer_constructor (t) {
t.plan( 4 );
var url = "http://labs.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.MapServer(name, url, params);
t.ok( layer instanceof OpenLayers.Layer.MapServer, "new OpenLayers.Layer.MapServer returns object" );
t.eq( layer.url, "http://labs.metacarta.com/cgi-bin/mapserv", "layer.url is correct (HTTPRequest inited)" );
t.eq( layer.params.mode, "map", "default mode param correctly copied");
t.eq( layer.params.map_imagetype, "png", "default imagetype correctly copied");
}
function test_02_Layer_MapServer_addtile (t) {
t.plan( 6 );
var url = "http://labs.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.MapServer(name, url, params);
var map = new OpenLayers.Map('map');
map.addLayer(layer);
var pixel = new OpenLayers.Pixel(5,6);
var tile = layer.addTile(new OpenLayers.Bounds(1,2,3,4), pixel);
tile.draw();
var img = tile.imgDiv;
var tParams = OpenLayers.Util.extend({},params);
tParams = OpenLayers.Util.extend(tParams, {
layers: 'basic',
mode: 'map',
map_imagetype: 'png',
mapext:[1,2,3,4],
imgext:[1,2,3,4],
map_size:[256, 256],
imgx:128,
imgy:128,
imgxy:[256,256]
});
t.eq( img.src,
url + "?" + OpenLayers.Util.getParameterString(tParams).replace(/,/g, "+"),
"image src is created correctly via addtile" );
t.eq( tile.imgDiv.style.top, "6px", "image top is set correctly via addtile" );
t.eq( tile.imgDiv.style.left, "5px", "image top is set correctly via addtile" );
var firstChild = layer.div.firstChild;
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( firstChild instanceof HTMLElement, "div first child is an image object" );
t.eq( firstChild.src,
url + "?" + OpenLayers.Util.getParameterString(tParams).replace(/,/g, "+"),
"div first child is correct image object" );
t.eq( tile.position.toString(), "x=5,y=6", "Position of tile is set correctly." );
}
function test_03_Layer_MapServer_inittiles (t) {
t.plan( 2 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.MapServer(name, url, params);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0),5);
t.eq( layer.grid.length, 7, "Grid rows is correct." );
t.eq( layer.grid[0].length, 6, "Grid cols is correct." );
}
function test_04_Layer_MapServer_clone (t) {
t.plan(4);
var url = "http://labs.metacarta.com/cgi-bin/mapserv";
var options = {tileSize: new OpenLayers.Size(500,50)};
var map = new OpenLayers.Map('map', options);
layer = new OpenLayers.Layer.MapServer(name, url, params);
map.addLayer(layer);
layer.grid = [ [6, 7],
[8, 9]];
var clone = layer.clone();
t.ok( clone.grid != layer.grid, "clone does not copy grid");
t.ok( clone.tileSize.equals(layer.tileSize), "tileSize correctly cloned");
layer.tileSize.w += 40;
t.eq( clone.tileSize.w, 500, "changing layer.tileSize does not change clone.tileSize -- a fresh copy was made, not just copied reference");
t.eq( clone.alpha, layer.alpha, "alpha copied correctly");
layer.grid = null;
}
function test_05_Layer_MapServer_isBaseLayer(t) {
t.plan(3);
var url = "http://labs.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.MapServer(name, url, params);
t.ok( layer.isBaseLayer, "baselayer is true by default");
var newParams = OpenLayers.Util.extend(new Object(), params);
newParams.transparent = "true";
layer = new OpenLayers.Layer.MapServer(name, url, newParams);
t.ok( !layer.isBaseLayer, "baselayer is false when transparent is set to true");
layer = new OpenLayers.Layer.MapServer(name, url, params, {isBaseLayer: false});
t.ok( !layer.isBaseLayer, "baselayer is false when option is set to false" );
}
function test_06_Layer_MapServer_mergeNewParams (t) {
t.plan( 5 );
var map = new OpenLayers.Map("map");
var url = "http://labs.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.MapServer(name, url, params);
var newParams = { layers: 'sooper',
chickpeas: 'image/png'};
map.addLayer(layer);
map.zoomToMaxExtent();
t.ok( !layer.grid[0][0].url.match("chickpeas"), "chickpeas is not in URL of first tile in grid" );
layer.mergeNewParams(newParams);
t.eq( layer.params.layers, "sooper", "mergeNewParams() overwrites well");
t.eq( layer.params.chickpeas, "image/png", "mergeNewParams() adds well");
t.ok( layer.grid[0][0].url.match("chickpeas"), "chickpeas is in URL of first tile in grid" );
newParams.chickpeas = 151;
t.eq( layer.params.chickpeas, "image/png", "mergeNewParams() makes clean copy of hashtable");
}
function test_07_Layer_MapServer_getFullRequestString (t) {
t.plan( 1 );
var map = new OpenLayers.Map('map');
tUrl = "http://labs.metacarta.com/cgi-bin/mapserv";
tParams = { layers: 'basic',
format: 'png'};
var tLayer = new OpenLayers.Layer.MapServer(name, tUrl, tParams);
map.addLayer(tLayer);
str = tLayer.getFullRequestString();
var tParams = {
layers: 'basic',
format: 'png',
mode: 'map',
map_imagetype: 'png'
};
var sStr = tUrl + "?" + OpenLayers.Util.getParameterString(tParams);
sStr = sStr.replace(/,/g, "+");
t.eq(str, sStr , "getFullRequestString() works");
}
function test_08_Layer_MapServer_setOpacity (t) {
t.plan( 5 );
var map = new OpenLayers.Map('map');
map.projection = "xx";
tUrl = "http://labs.metacarta.com/cgi-bin/mapserv";
tParams = { layers: 'basic',
format: 'image/png'};
tOptions = { 'opacity': '0.5' };
var tLayer = new OpenLayers.Layer.MapServer(name, tUrl, tParams, tOptions);
map.addLayer(tLayer);
map.zoomToMaxExtent();
t.eq(tLayer.opacity, "0.5", "Opacity is set correctly");
t.eq(parseFloat(tLayer.div.firstChild.style.opacity), 0.5, "Opacity on tile is correct");
tLayer.setOpacity("0.6");
t.eq(tLayer.opacity, "0.6", "setOpacity works properly");
t.eq(parseFloat(tLayer.div.firstChild.style.opacity), 0.6, "Opacity on tile is changed correctly");
var pixel = new OpenLayers.Pixel(5,6);
var tile = tLayer.addTile(new OpenLayers.Bounds(1,2,3,4), pixel);
tile.draw();
t.eq(parseFloat(tile.imgDiv.style.opacity), 0.6, "Tile opacity is set correctly");
}
function test_20_Layer_MapServer_Reproject (t) {
t.plan(5);
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.Google("Google");
map.addLayer(layer);
layer = new OpenLayers.Layer.MapServer(name, url, params, {isBaseLayer: false, reproject: true});
layer.isBaseLayer=false;
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
var tile = layer.grid[0][0];
t.eq( tile.bounds.left, -22.5, "left side matches" );
t.eq( tile.bounds.right, -11.25, "top side matches" );
t.eq( tile.bounds.bottom.toFixed(6), '11.178402', "bottom side matches" );
t.eq( tile.bounds.top.toFixed(6), '21.943046', "top side matches" );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.MapServer(name, url, params);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
var tile = layer.grid[0][0];
t.ok( tile.bounds.equals(new OpenLayers.Bounds(-33.75, 33.75, -22.5, 45)), "okay");
}
function test_99_Layer_MapServer_destroy (t) {
t.plan( 1 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.MapServer(name, url, params);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
//grab a reference to one of the tiles
var tile = layer.grid[0][0];
layer.destroy();
// checks to make sure superclass (grid) destroy() was called
t.ok( layer.grid == null, "grid set to null");
}
// -->
</script>
</head>
<body>
<div id="map" style="width:500px;height:550px"></div>
</body>
</html>

1
tests/list-tests.html
View File

@@ -35,6 +35,7 @@
<li>Layer/test_KaMap.html</li>
<li>Layer/test_Markers.html</li>
<li>Layer/test_Multimap.html</li>
<li>Layer/test_MapServer.html</li>
<li>Layer/test_MapServer_Untiled.html</li>
<li>Layer/test_Text.html</li>
<li>Layer/test_WMS.html</li>