test_Layer_HTTPRequest.html
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<html>
<head>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript"><!--
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/png'};
var options = { chicken: 151, foo: "bar" };
function test_01_Layer_HTTPRequest_constructor (t) {
t.plan( 5 );
layer = new OpenLayers.Layer.HTTPRequest(name, url, params, options);
t.ok( layer instanceof OpenLayers.Layer.HTTPRequest, "new OpenLayers.Layer.HTTPRequest returns correctly typed object" );
// correct bubbling up to Layer.initialize()
t.eq( layer.name, name, "layer.name is correct" );
t.ok( ((layer.options["chicken"] == 151) && (layer.options["foo"] == "bar")), "layer.options correctly set" );
// HTTPRequest-specific properties
t.eq( layer.url, url, "layer.name is correct" );
t.ok( ((layer.params["map"] == '/mapdata/vmap_wms.map') &&
(layer.params["layers"] == "basic") &&
(layer.params["format"] == "image/png")), "layer.params correctly set" );
}
function test_02_Layer_HTTPRequest_clone (t) {
t.plan( 6 );
var toClone = new OpenLayers.Layer.HTTPRequest(name, url, params, options);
toClone.chocolate = 5;
var layer = toClone.clone();
t.eq(layer.chocolate, 5, "correctly copied randomly assigned property");
t.ok( layer instanceof OpenLayers.Layer.HTTPRequest, "new OpenLayers.Layer.HTTPRequest returns correctly typed object" );
// correct bubbling up to Layer.initialize()
t.eq( layer.name, name, "layer.name is correct" );
t.ok( ((layer.options["chicken"] == 151) && (layer.options["foo"] == "bar")), "layer.options correctly set" );
// HTTPRequest-specific properties
t.eq( layer.url, url, "layer.name is correct" );
t.ok( ((layer.params["map"] == '/mapdata/vmap_wms.map') &&
(layer.params["layers"] == "basic") &&
(layer.params["format"] == "image/png")), "layer.params correctly set" );
}
function test_03_Layer_HTTPRequest_setUrl (t) {
t.plan( 1 );
layer = new OpenLayers.Layer.HTTPRequest(name, url, params, options);
layer.setUrl("foo");
t.eq( layer.url, "foo", "setUrl() works");
}
function test_05_Layer_HTTPRequest_mergeNewParams (t) {
t.plan( 3 );
layer = new OpenLayers.Layer.HTTPRequest(name, url, params, options);
var newParams = { layers: 'sooper',
chickpeas: 'image/png'};
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 hash");
}
function test_06_Layer_HTTPRequest_getFullRequestString (t) {
tParams = { layers: 'basic',
format: 'image/png'};
t.plan( 9 );
// without ?
tUrl = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.HTTPRequest(name, tUrl, tParams, null);
str = layer.getFullRequestString();
t.eq(str, tUrl + '?' + OpenLayers.Util.getParameterString(tParams), "getFullRequestString() works for url sans ?");
// with ?
tUrl = "http://octo.metacarta.com/cgi-bin/mapserv?";
layer = new OpenLayers.Layer.HTTPRequest(name, tUrl, tParams, null);
str = layer.getFullRequestString();
t.eq(str, tUrl + OpenLayers.Util.getParameterString(tParams), "getFullRequestString() works for url with ?");
// with ?param1=5
tUrl = "http://octo.metacarta.com/cgi-bin/mapserv?param1=5";
layer = new OpenLayers.Layer.HTTPRequest(name, tUrl, tParams, null);
str = layer.getFullRequestString();
t.eq(str, tUrl + '&' + OpenLayers.Util.getParameterString(tParams), "getFullRequestString() works for url with ?param1=5");
// with ?param1=5&
tUrl = "http://octo.metacarta.com/cgi-bin/mapserv?param1=5&format=image/jpeg";
layer = new OpenLayers.Layer.HTTPRequest(name, tUrl, tParams, null);
str = layer.getFullRequestString();
t.eq(str, tUrl + '&' + OpenLayers.Util.getParameterString({'layers':'basic'}), "getFullRequestString() doesn't override already-existing params in URL");
// with ?param1=5&
tUrl = "http://octo.metacarta.com/cgi-bin/mapserv?param1=5&";
layer = new OpenLayers.Layer.HTTPRequest(name, tUrl, tParams, null);
str = layer.getFullRequestString();
t.eq(str, tUrl + OpenLayers.Util.getParameterString(tParams), "getFullRequestString() works for url with ?param1=5&");
// passing in new params
layer = new OpenLayers.Layer.HTTPRequest(name, tUrl, tParams, null);
str = layer.getFullRequestString( { chicken: 6,
layers:"road" } );
t.eq(str, tUrl + OpenLayers.Util.getParameterString({layers: 'road', format: "image/png", chicken: 6}), "getFullRequestString() works for passing in new params");
// layer with null params
layer = new OpenLayers.Layer.HTTPRequest(name, tUrl, null, null);
str = layer.getFullRequestString();
t.eq(str, tUrl + OpenLayers.Util.getParameterString({}), "getFullRequestString() works for layer with null params");
// layer with null params passing in new params
layer = new OpenLayers.Layer.HTTPRequest(name, tUrl, null, null);
str = layer.getFullRequestString( { chicken: 6,
layers:"road" } );
t.eq(str, tUrl + OpenLayers.Util.getParameterString({chicken: 6, layers: "road"}), "getFullRequestString() works for layer with null params passing in new params");
// with specified altUrl parameter
tUrl = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.HTTPRequest(name, "chicken", tParams, null);
str = layer.getFullRequestString(null, tUrl);
t.eq(str, tUrl + '?' + OpenLayers.Util.getParameterString(tParams), "getFullRequestString() works for url sans ?");
}
function test_99_Layer_HTTPRequest_destroy (t) {
t.plan( 6 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.HTTPRequest("Test Layer",
"http://www.openlayers.org",
{ foo: 2, bar: 3},
{ opt1: 8, opt2: 9});
map.addLayer(layer);
layer.destroy();
// Ensure Layer.destroy() is called
t.eq( layer.name, null, "layer.name is null after destroy" );
t.eq( layer.div, null, "layer.div is null after destroy" );
t.eq( layer.map, null, "layer.map is null after destroy" );
t.eq( layer.options, null, "layer.options is null after destroy" );
// Specific to HTTPRequest
t.eq( layer.url, null, "layer.url is null after destroy" );
t.eq( layer.params, null, "layer.params is null after destroy" );
}
// -->
</script>
</head>
<body>
<div id="map"></div>
</body>
</html>