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openlayers/tests/Layer/WMS.html
ahocevar 061eeacf92 reverting r12185 from #3431 
git-svn-id: http://svn.openlayers.org/branches/openlayers/2.11@12232 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2011-08-10 08:41:37 +00:00

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<html>
<head>
<script type="text/javascript">var oldAlert = window.alert, gMess; window.alert = function(message) {gMess = message; return true;};</script>
<script src='http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAAjpkAC9ePGem0lIq5XcMiuhR_wWLPFku8Ix9i2SXYRVK3e45q1BQUd_beF8dtzKET_EteAjPdGDwqpQ'></script>
<script type="text/javascript">window.alert = oldAlert;</script>
<script src="../OLLoader.js"></script>
<script type="text/javascript">
var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
var layer;
var name = 'Test Layer';
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
var params = { map: '/mapdata/vmap_wms.map',
layers: 'basic',
format: 'image/jpeg'};
function test_Layer_WMS_constructor (t) {
t.plan( 15 );
var trans_format = "image/png";
if (OpenLayers.Util.alphaHack()) { trans_format = "image/gif"; }
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.WMS(name, url, params);
t.ok( layer instanceof OpenLayers.Layer.WMS, "new OpenLayers.Layer.WMS returns object" );
t.eq( layer.url, "http://octo.metacarta.com/cgi-bin/mapserv", "layer.url is correct (HTTPRequest inited)" );
t.eq( layer.params.MAP, "/mapdata/vmap_wms.map", "params passed in correctly uppercased" );
t.eq( layer.params.SERVICE, "WMS", "default params correclty uppercased and copied");
t.eq(layer.isBaseLayer, true, "no transparency setting, wms is baselayer");
params.TRANSPARENT = "true";
var layer2 = new OpenLayers.Layer.WMS(name, url, params);
t.eq(layer2.isBaseLayer, false, "transparency == 'true', wms is not baselayer");
params.TRANSPARENT = "TRUE";
var layer3 = new OpenLayers.Layer.WMS(name, url, params);
t.eq(layer3.isBaseLayer, false, "transparency == 'TRUE', wms is not baselayer");
t.eq(layer3.params.FORMAT, trans_format, "transparent = TRUE causes non-image/jpeg format");
params.TRANSPARENT = "TRuE";
var layer4 = new OpenLayers.Layer.WMS(name, url, params);
t.eq(layer4.isBaseLayer, false, "transparency == 'TRuE', wms is not baselayer");
t.eq(layer4.params.FORMAT, trans_format, "transparent = TRuE causes non-image/jpeg format");
params.TRANSPARENT = true;
var layer5 = new OpenLayers.Layer.WMS(name, url, params);
t.eq(layer5.isBaseLayer, false, "transparency == true, wms is not baselayer");
t.eq(layer5.params.FORMAT, trans_format, "transparent = true causes non-image/jpeg format");
params.TRANSPARENT = false;
var layer6 = new OpenLayers.Layer.WMS(name, url, params);
t.eq(layer6.isBaseLayer, true, "transparency == false, wms is baselayer");
params.TRANSPARENT = true;
var layer7 = new OpenLayers.Layer.WMS(name, url, params, {noMagic: true});
t.eq(layer7.params.FORMAT, "image/jpeg", "When using noMagic true image/jpeg will not be automagically switched to image/png or image/gif if transparent");
params.TRANSPARENT = true;
var layer8 = new OpenLayers.Layer.WMS(name, url, params, {noMagic: true});
t.eq(layer8.isBaseLayer, true, "When using noMagic then transparent means the wms layer is not automagically changed to not being a baselayer");
params.TRANSPARENT = false;
}
function test_Layer_WMS_addtile (t) {
t.plan( 6 );
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.WMS(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({},
OpenLayers.Util.upperCaseObject(params));
tParams = OpenLayers.Util.extend(tParams, {
BBOX: [1,2,3,4],
WIDTH: "256", HEIGHT: "256"
});
t.eq( img.src,
layer.getFullRequestString(tParams),
"image src is created correctly via addtile" );
t.eq( tile.frame.style.top, "6px", "image top is set correctly via addtile" );
t.eq( tile.frame.style.left, "5px", "image top is set correctly via addtile" );
var firstChild = layer.div.firstChild.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,
layer.getFullRequestString(tParams),
"div first child is correct image object" );
t.eq( tile.position.toString(), "x=5,y=6", "Position of tile is set correctly." );
map.destroy();
}
function test_Layer_WMS_bboxEncoding (t) {
t.plan( 6 );
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.WMS(name, url, params, {encodeBBOX:true});
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({},
OpenLayers.Util.upperCaseObject(params));
tParams = OpenLayers.Util.extend(tParams, {
BBOX: "1,2,3,4",
WIDTH: "256", HEIGHT: "256"
});
t.eq( img.src,
layer.getFullRequestString(tParams),
"image src is created correctly via addtile" );
t.eq( tile.frame.style.top, "6px", "image top is set correctly via addtile" );
t.eq( tile.frame.style.left, "5px", "image top is set correctly via addtile" );
var firstChild = layer.div.firstChild.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,
layer.getFullRequestString(tParams),
"div first child is correct image object" );
t.eq( tile.position.toString(), "x=5,y=6", "Position of tile is set correctly." );
map.destroy();
}
function test_Layer_WMS_inittiles (t) {
t.plan( 2 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS(name, url, params, {buffer:2});
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." );
map.destroy();
}
function test_Layer_WMS_clone (t) {
t.plan(4);
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
var options = {tileSize: new OpenLayers.Size(500,50)};
var map = new OpenLayers.Map('map', options);
layer = new OpenLayers.Layer.WMS(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;
map.destroy();
}
function test_Layer_WMS_isBaseLayer(t) {
t.plan(3);
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.WMS(name, url, params);
t.ok( layer.isBaseLayer, "baselayer is true by default");
var newParams = OpenLayers.Util.extend({}, params);
newParams.transparent = "true";
layer = new OpenLayers.Layer.WMS(name, url, newParams);
t.ok( !layer.isBaseLayer, "baselayer is false when transparent is set to true");
layer = new OpenLayers.Layer.WMS(name, url, params, {isBaseLayer: false});
t.ok( !layer.isBaseLayer, "baselayer is false when option is set to false" );
}
function test_Layer_WMS_mergeNewParams (t) {
t.plan( 4 );
var map = new OpenLayers.Map("map");
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.WMS(name, url, params);
var newParams = { layers: 'sooper',
chickpeas: 'image/png'};
map.addLayer(layer);
map.zoomToMaxExtent();
layer.redraw = function() {
t.ok(true, "layer is redrawn after new params merged");
}
layer.mergeNewParams(newParams);
t.eq( layer.params.LAYERS, "sooper", "mergeNewParams() overwrites well");
t.eq( layer.params.CHICKPEAS, "image/png", "mergeNewParams() adds well");
newParams.CHICKPEAS = 151;
t.eq( layer.params.CHICKPEAS, "image/png", "mergeNewParams() makes clean copy of hashtable");
map.destroy();
}
function test_Layer_WMS_getFullRequestString (t) {
t.plan( 4 );
var map = new OpenLayers.Map('map');
map.projection = "xx";
var tUrl = "http://octo.metacarta.com/cgi-bin/mapserv";
var tParams = { layers: 'basic',
format: 'image/png'};
var tLayer = new OpenLayers.Layer.WMS(name, tUrl, tParams);
map.addLayer(tLayer);
var str = tLayer.getFullRequestString();
var tParams = {
LAYERS: "basic", FORMAT: "image/png", SERVICE: "WMS",
VERSION: "1.1.1", REQUEST: "GetMap", STYLES: "",
SRS: "xx"
};
t.eq(str,
tUrl + "?" + OpenLayers.Util.getParameterString(tParams),
"getFullRequestString() adds SRS value");
map.removeLayer(tLayer);
tLayer.projection = "none";
map.addLayer(tLayer);
str = tLayer.getFullRequestString();
delete tParams['SRS'];
t.eq(str,
tUrl + "?" + OpenLayers.Util.getParameterString(tParams),
"getFullRequestString() by default does *not* add SRS value if projection is 'none'");
map.destroy();
map = new OpenLayers.Map("map", {projection: "EPSG:4326"});
var layerProj = new OpenLayers.Projection("FOO", {
equals: function() {return true},
getCode: function() {return "FOO"}
});
tLayer = new OpenLayers.Layer.WMS(name, tUrl, tParams, {projection: layerProj});
map.addLayer(tLayer);
str = tLayer.getFullRequestString();
tParams.SRS = "FOO";
t.eq(str,
tUrl + "?" + OpenLayers.Util.getParameterString(tParams),
"getFullRequestString() uses the layer projection if it equals the map projection");
map.destroy();
map = new OpenLayers.Map("map", {projection: "EPSG:4326"});
map.addLayer(new OpenLayers.Layer(null, {isBaseLayer: true}));
tLayer = new OpenLayers.Layer.WMS(name, tUrl);
tLayer.map = map;
var error;
try {
tLayer.getFullRequestString();
error = false;
} catch(err) {
error = true;
}
t.ok(!error, "no error on getFullRequestString if layer has no projection");
map.destroy();
}
function test_Layer_WMS_setOpacity (t) {
t.plan( 5 );
var map = new OpenLayers.Map('map');
map.projection = "xx";
tUrl = "http://octo.metacarta.com/cgi-bin/mapserv";
tParams = { layers: 'basic',
format: 'image/png'};
tOptions = { 'opacity': '0.5' };
var tLayer = new OpenLayers.Layer.WMS(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.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.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");
map.destroy();
}
function test_Layer_WMS_Reproject (t) {
var validkey = (window.location.protocol == "file:") ||
(window.location.host == "localhost") ||
(window.location.host == "openlayers.org");
if (OpenLayers.BROWSER_NAME == "opera" || OpenLayers.BROWSER_NAME == "safari") {
t.plan(1);
t.debug_print("Can't test google reprojection in Opera or Safari.");
} else if(validkey) {
t.plan(5);
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.Google("Google");
map.addLayer(layer);
var wmslayer = new OpenLayers.Layer.WMS(name, url, params,
{isBaseLayer: false, reproject:true, buffer: 2});
wmslayer.isBaseLayer=false;
map.addLayer(wmslayer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
var tile = wmslayer.grid[0][0];
t.eq( tile.bounds.left, -22.5, "left side matches" );
t.eq( tile.bounds.right, -11.25, "right 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" );
map.destroy();
} else {
t.plan(1);
t.debug_print("can't test google layer from " +
window.location.host);
}
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS(name, url, params, {buffer: 2});
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");
map.destroy();
}
function test_Layer_WMS_noGutters (t) {
t.plan(2);
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.WMS("no gutter layer", url, params, {gutter: 0});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
var tile = layer.grid[0][0];
var request = layer.getURL(tile.bounds);
var args = OpenLayers.Util.getParameters(request);
t.eq(parseInt(args['WIDTH']),
tile.size.w,
"layer without gutter requests images that are as wide as the tile");
t.eq(parseInt(args['HEIGHT']),
tile.size.h,
"layer without gutter requests images that are as tall as the tile");
layer.destroy();
map.destroy();
}
function test_Layer_WMS_gutters (t) {
t.plan(2);
var gutter = 15;
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.WMS("gutter layer", url, params, {gutter: gutter});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
var tile = layer.grid[0][0];
var request = layer.getURL(tile.bounds);
var args = OpenLayers.Util.getParameters(request);
t.eq(parseInt(args['WIDTH']),
tile.size.w + (2 * gutter),
"layer with gutter requests images that are wider by twice the gutter");
t.eq(parseInt(args['HEIGHT']),
tile.size.h + (2 * gutter),
"layer with gutter requests images that are taller by twice the gutter");
layer.destroy();
map.destroy();
}
function test_tileOrigin(t) {
t.plan(4);
var dummy = new OpenLayers.Layer(null, {isBaseLayer: true});
var unconstrained = new OpenLayers.Layer.WMS(
null, "http://example.com/wms",
{layers: "unconstrained"},
{isBaseLayer: false, buffer: 0}
);
var constrained = new OpenLayers.Layer.WMS(
null, "http://example.com/wms-c",
{layers: "constrained"},
{buffer: 0, isBaseLayer: false, tileOrigin: new OpenLayers.LonLat(-180, -90)}
);
var map = new OpenLayers.Map({
div: "map",
maxExtent: new OpenLayers.Bounds(-185, -95, 185, 95),
layers: [dummy, unconstrained, constrained],
center: new OpenLayers.LonLat(0, 0),
zoom: 1
});
t.eq(unconstrained.grid[1][0].bounds.bottom, -95, "unconstrained bottom correct");
t.eq(unconstrained.grid[1][0].bounds.left, -185, "unconstrained left correct");
t.eq(constrained.grid[1][0].bounds.bottom, -90, "constrained bottom correct");
t.eq(constrained.grid[1][0].bounds.left, -180, "constrained left correct");
map.destroy();
}
// DEPRECATED -- REMOVE IN 3.0
function test_Layer_Untiled_WMS(t) {
t.plan(1);
var layer = new OpenLayers.Layer.WMS.Untiled();
var clone = layer.clone();
t.ok(clone.singleTile, "regression test: clone works. this is for #1013");
}
function test_Layer_WMS_destroy (t) {
t.plan( 1 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS(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");
}
function test_Layer_WMS_v13(t) {
t.plan(6);
var lon = 5;
var lat = 40;
var zoom = 5;
var map = new OpenLayers.Map( 'map' );
var layer = new OpenLayers.Layer.WMS(
"OpenLayers WMS",
"http://myserver.org/wms?",
{layers: 'mylayer', version: '1.3.0'},
{singleTile: true}
);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
var url = layer.getURL(map.getExtent());
var params = url.split("&");
var bbox;
for (var i=0, len=params.length; i<len; i++) {
var param = params[i];
var a = param.split('=');
if (a[0] === 'BBOX') {
bbox = a[1];
break;
}
}
t.eq(layer.params.CRS, "EPSG:4326", "In WMS 1.3 SRS is now CRS");
t.eq(bbox, "27.9150390625,-5.986328125,52.0849609375,15.986328125", "Axis sequence is lat lon for EPSG:4326 in WMS 1.3.0");
var layer2 = new OpenLayers.Layer.WMS(
"OpenLayers WMS",
"http://myserver.org/wms?",
{layers: 'mylayer', version: '1.1.1'},
{singleTile: true}
);
map.addLayer(layer2);
var url = layer2.getURL(map.getExtent());
var params = url.split("&");
var bbox;
for (var i=0, len=params.length; i<len; i++) {
var param = params[i];
var a = param.split('=');
if (a[0] === 'BBOX') {
bbox = a[1];
break;
}
}
t.eq(layer2.params.SRS, "EPSG:4326", "In WMS 1.1.1 parameter is called SRS");
t.eq(bbox, "-5.986328125,27.9150390625,15.986328125,52.0849609375", "Axis sequence is lon lat for EPSG:4326 in WMS 1.1.1");
map.destroy();
// CRS:84 has normal axis sequence (lon lat)
var map = new OpenLayers.Map( 'map', {projection: 'CRS:84'} );
var layer = new OpenLayers.Layer.WMS(
"OpenLayers WMS",
"http://myserver.org/wms?",
{layers: 'mylayer', version: '1.3.0'},
{singleTile: true}
);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
var url = layer.getURL(map.getExtent());
var params = url.split("&");
var bbox, exceptions;
for (var i=0, len=params.length; i<len; i++) {
var param = params[i];
var a = param.split('=');
if (a[0] === 'EXCEPTIONS') {
exceptions = a[1];
}
if (a[0] === 'BBOX') {
bbox = a[1];
}
}
t.eq(exceptions, "INIMAGE", "If not set, EXCEPTIONS should be INIMAGE for WMS 1.3");
t.eq(bbox, "-5.986328125,27.9150390625,15.986328125,52.0849609375", "Axis sequence for CRS:84 is lon lat");
map.destroy();
}
function test_transparent(t) {
t.plan(5);
var map = new OpenLayers.Map("map", {allOverlays: true});
var layer = new OpenLayers.Layer.WMS(
"OpenLayers WMS",
"http://myserver.org/wms?",
{layers: 'mylayer', transparent: true}
);
map.addLayer(layer);
t.eq(typeof layer.params.TRANSPARENT, "boolean", "transparent param is boolean");
t.ok(layer.getFullRequestString({}).indexOf("TRANSPARENT=TRUE") != -1, "Boolean transparent param value is uppercase TRUE");
layer.mergeNewParams({transparent: false});
t.ok(layer.getFullRequestString({}).indexOf("TRANSPARENT=FALSE") != -1, "Boolean transparent param value is uppercase FALSE");
layer.mergeNewParams({transparent: "true"});
t.eq(typeof layer.params.TRANSPARENT, "string", "transparent param is string");
t.ok(layer.getFullRequestString({}).indexOf("TRANSPARENT=true") != -1, "transparent param value passed as provided if String");
map.destroy();
}
</script>
</head>
<body>
<div id="map" style="width:500px;height:550px"></div>
</body>
</html>
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