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openlayers/tests/Format/WMC/v1_1_0.html

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<html>
<head>
<script src="../../../lib/OpenLayers.js"></script>
<script type="text/javascript">
function test_write_wmc_Layer(t) {
if (OpenLayers.BROWSER_NAME == "safari") {
t.plan(0);
t.debug_print("Safari has wierd behavior with getElementsByTagNameNS: the result is that we can't run these tests there. Patches welcome.");
return;
}
t.plan(12);
// direct construction of a parser for a unit test
var format = new OpenLayers.Format.WMC();
var parser = format.getParser("1_1_0");
var sldNS = parser.namespaces["sld"];
// test that Min/MaxScaleDenominator is not written out when no
// resolution related options are set
var layer = new OpenLayers.Layer.WMS(
"test", "http://foo", {},
{maxExtent: new OpenLayers.Bounds(1, 2, 3, 4)}
);
var layerContext = format.layerToContext(layer);
var node = parser.write_wmc_Layer(layerContext);
var minList = parser.getElementsByTagNameNS(node, sldNS, "MinScaleDenominator");
t.eq(minList.length, 0, "(none) node not written with MinScaleDenominator");
var maxList = parser.getElementsByTagNameNS(node, sldNS, "MaxScaleDenominator");
t.eq(maxList.length, 0, "(none) node not written with MaxScaleDenominator");
// test that Min/MaxScaleDenominator is written out for explicit
// resolutions array
layer = new OpenLayers.Layer.WMS(
"test", "http://foo", {},
{resolutions: [4, 2, 1], maxExtent: new OpenLayers.Bounds(1, 2, 3, 4)}
);
layer.minScale = Math.random();
layer.maxScale = Math.random();
sldNS = parser.namespaces["sld"];
layerContext = format.layerToContext(layer);
node = parser.write_wmc_Layer(layerContext);
minList = parser.getElementsByTagNameNS(node, sldNS, "MinScaleDenominator");
t.eq(minList.length, 1, "(resolutions) node written with MinScaleDenominator");
t.eq(layer.maxScale.toPrecision(16), parser.getChildValue(minList[0]),
"(resolutions) node written with correct MinScaleDenominator value");
maxList = parser.getElementsByTagNameNS(node, sldNS, "MaxScaleDenominator");
t.eq(maxList.length, 1, "(resolutions) node written with MaxScaleDenominator");
t.eq(layer.minScale.toPrecision(16), parser.getChildValue(maxList[0]),
"(resolutions) node written with correct MaxScaleDenominator value");
layer = new OpenLayers.Layer.WMS(
"test", "http://foo", {},
{scales: [4, 2, 1], maxExtent: new OpenLayers.Bounds(1, 2, 3, 4)}
);
layer.minScale = Math.random();
layer.maxScale = Math.random();
layerContext = format.layerToContext(layer);
node = parser.write_wmc_Layer(layerContext);
minList = parser.getElementsByTagNameNS(node, sldNS, "MinScaleDenominator");
var f = new OpenLayers.Format.XML();
t.eq(minList.length, 1, "(scales) node written with MinScaleDenominator");
t.eq(layer.maxScale.toPrecision(16), parser.getChildValue(minList[0]),
"(scales) node written with correct MinScaleDenominator value");
maxList = parser.getElementsByTagNameNS(node, sldNS, "MaxScaleDenominator");
t.eq(maxList.length, 1, "(scales) node written with MaxScaleDenominator");
t.eq(layer.minScale.toPrecision(16), parser.getChildValue(maxList[0]),
"(scales) node written with correct MaxScaleDenominator value");
layer.metadataURL = 'http://foo';
layerContext = format.layerToContext(layer);
node = parser.write_wmc_Layer(layerContext);
t.eq(node.childNodes[3].localName || node.childNodes[3].nodeName.split(":").pop(),
'MetadataURL', "MinScaleDenominator is written after MetadataURL, so third node should be MetadataURL");
t.eq(node.childNodes[4].localName || node.childNodes[4].nodeName.split(":").pop(),
'MinScaleDenominator', "MinScaleDenominator is written after MetadataURL, so fourth node should be MinScaleDenominator");
}
</script>
</head>
<body>
<div id="map" style="width: 512px; height: 256px;"></div>
</body>
</html>