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|
<html>
<head>
<script src="OLLoader.js"></script>
<script type="text/javascript">
var layer;
function test_Layer_constructor (t) {
t.plan( 15 );
var options = { chicken: 151, foo: "bar", projection: "none" };
var layer = new OpenLayers.Layer('Test Layer', options);
t.ok( layer instanceof OpenLayers.Layer, "new OpenLayers.Layer returns object" );
t.eq( layer.CLASS_NAME, "OpenLayers.Layer", "CLASS_NAME variable set correctly");
t.eq( layer.name, "Test Layer", "layer.name is correct" );
t.ok( layer.id != null, "Layer is given an id");
t.ok( layer.projection, "none", "default layer projection correctly set");
t.ok( ((layer.chicken == 151) && (layer.foo == "bar")), "layer.options correctly set to Layer Object" );
t.ok( ((layer.options["chicken"] == 151) && (layer.options["foo"] == "bar")), "layer.options correctly backed up" );
t.ok( typeof layer.div == "object" , "layer.div is created" );
t.eq( layer.div.id, layer.id, "layer.div.id is correct" );
options.chicken = 552;
t.eq( layer.options["chicken"], 151 , "layer.options correctly made fresh copy" );
t.eq( layer.isBaseLayer, false, "Default layer is not base layer" );
layer = new OpenLayers.Layer('Test Layer');
t.ok( layer instanceof OpenLayers.Layer, "new OpenLayers.Layer returns object" );
t.eq( layer.name, "Test Layer", "layer.name is correct" );
t.ok( layer.projection == null, "default layer projection correctly set");
t.ok( layer.options instanceof Object, "layer.options correctly initialized as a non-null Object" );
}
function test_Layer_clone (t) {
t.plan( 7 );
var mapone = new OpenLayers.Map('map');
var options = { chicken: 151, foo: "bar", maxResolution: "auto", visibility: false };
var layer = new OpenLayers.Layer('Test Layer', options);
mapone.addLayer(layer);
layer.setVisibility(true);
// randomly assigned property
layer.chocolate = 5;
var clone = layer.clone();
t.ok( clone.map == null, "cloned layer has map property set to null")
var maptwo = new OpenLayers.Map('map2');
maptwo.addLayer(clone);
t.ok( clone instanceof OpenLayers.Layer, "new OpenLayers.Layer returns object" );
t.eq( clone.name, "Test Layer", "default clone.name is correct" );
t.ok( ((clone.options["chicken"] == 151) && (clone.options["foo"] == "bar")), "clone.options correctly set" );
t.eq(clone.chocolate, 5, "correctly copied randomly assigned property");
t.eq(clone.visibility, true, "visibility correctly cloned");
layer.addOptions({chicken:152});
t.eq(clone.options["chicken"], 151, "made a clean copy of options");
mapone.destroy();
maptwo.destroy();
}
function test_Layer_setName (t) {
t.plan( 1 );
layer = new OpenLayers.Layer('Test Layer');
layer.setName("chicken");
t.eq(layer.name, "chicken", "setName() works")
}
function test_Layer_addOptions (t) {
t.plan( 20 );
var map = new OpenLayers.Map("map", {allOverlays: true});
var options = { chicken: 151, foo: "bar" };
var layer = new OpenLayers.Layer('Test Layer', options);
map.addLayer(layer);
layer.addOptions({bark:55, chicken: 171});
t.eq(layer.bark, 55, "addOptions() assigns new option correctly to Layer");
t.eq(layer.options.bark, 55, "addOptions() adds new option correctly to backup");
t.eq(layer.chicken, 171, "addOptions() overwrites option correctly to Layer");
t.eq(layer.options.chicken, 171, "addOptions() overwrites option correctly to backup");
var log;
layer.initResolutions = function() {
log++;
};
log = 0;
layer.addOptions({bark: 56});
t.eq(log, 0, "addOptions doesn't call initResolutions when not given a resolution option");
log = 0;
layer.addOptions({scales: [1, 2]});
t.eq(log, 1, "addOptions calls initResolutions when given scales");
log = 0;
layer.addOptions({resolutions: [1, 2]});
t.eq(log, 1, "addOptions calls initResolutions when given resolutions");
log = 0;
layer.addOptions({minScale: 4});
t.eq(log, 1, "addOptions calls initResolutions when given minScale");
log = 0;
layer.addOptions({maxScale: 4});
t.eq(log, 1, "addOptions calls initResolutions when given maxScale");
log = 0;
layer.addOptions({minResolution: 4});
t.eq(log, 1, "addOptions calls initResolutions when given minResolution");
log = 0;
layer.addOptions({maxResolution: 4});
t.eq(log, 1, "addOptions calls initResolutions when given maxResolution");
log = 0;
layer.addOptions({numZoomLevels: 4});
t.eq(log, 1, "addOptions calls initResolutions when given numZoomLevels");
log = 0;
layer.addOptions({maxZoomLevel: 4});
t.eq(log, 1, "addOptions calls initResolutions when given maxZoomLevel");
log = 0;
layer.addOptions({projection: new OpenLayers.Projection("EPSG:900913")});
t.eq(log, 1, "addOptions calls initResolutions when given projection");
log = 0;
layer.addOptions({units: "m"});
t.eq(log, 1, "addOptions calls initResolutions when given units");
log = 0;
layer.addOptions({minExtent: new OpenLayers.Bounds(0, 0, 0, 0)});
t.eq(log, 1, "addOptions calls initResolutions when given minExtent");
log = 0;
layer.addOptions({maxExtent: new OpenLayers.Bounds(0, 0, 0, 0)});
t.eq(log, 1, "addOptions calls initResolutions when given maxExtent");
layer.projection = null;
layer.addOptions({projection: "EPSG:900913"});
t.ok(layer.projection instanceof OpenLayers.Projection,
"addOptions creates a Projection object when given a projection string");
log = null;
// adding a 2nd layer to see if it gets reinitialized properly
var layer2 = new OpenLayers.Layer(null, {
moveTo: function(bounds) {
log = bounds;
}
});
map.addLayer(layer2);
layer.addOptions({maxResolution: 0.00034332275390625}, true);
t.eq(log.toBBOX(), map.getExtent().toBBOX(), "when reinitialize is set to true, changing base layer's resolution property reinitializes all layers.");
map.removeLayer(layer);
log = 0;
layer.addOptions({minExtent: new OpenLayers.Bounds(0, 0, 0, 0)});
t.eq(log, 0, "addOptions doesn't call initResolutions when layer is not in map");
}
function test_addOptionsScale(t) {
t.plan(1);
var map = new OpenLayers.Map("map");
var layer = new OpenLayers.Layer.WMS();
map.addLayer(layer);
map.zoomToMaxExtent();
layer.addOptions({maxResolution: 0.5, numZoomLevels: 15});
t.eq(layer.alwaysInRange, false, "alwaysInRange should not be true anymore");
}
function test_Layer_StandardOptionsAccessors (t) {
t.plan( 4 );
var projection = "EPSG:4326";
var maxExtent = new OpenLayers.Bounds(50,50,100,100);
var maxResolution = 1.5726;
var numZoomLevels = 11;
var options = { projection: projection,
maxExtent: maxExtent,
maxResolution: maxResolution,
numZoomLevels: numZoomLevels
};
var layer = new OpenLayers.Layer('Test Layer', options);
t.eq(layer.projection.getCode(), projection, "projection set correctly");
t.ok(layer.maxExtent.equals(maxExtent), "maxExtent set correctly");
t.eq(layer.maxResolution, maxResolution, "maxResolution set correctly");
t.eq(layer.numZoomLevels, numZoomLevels, "numZoomLevels set correctly");
}
function test_maxExtent(t) {
t.plan(5);
var layer = new OpenLayers.Layer(
null, {maxExtent: [-180, 0, 0, 90]}
);
t.ok(layer.maxExtent instanceof OpenLayers.Bounds, "(array) bounds instance");
t.eq(layer.maxExtent.left, -180, "(array) bounds left");
t.eq(layer.maxExtent.bottom, 0, "(array) bounds left");
t.eq(layer.maxExtent.right, 0, "(array) bounds right");
t.eq(layer.maxExtent.top, 90, "(array) bounds top");
layer.destroy();
}
function test_minExtent(t) {
t.plan(5);
var layer = new OpenLayers.Layer(
null, {minExtent: [-180, 0, 0, 90]}
);
t.ok(layer.minExtent instanceof OpenLayers.Bounds, "(array) bounds instance");
t.eq(layer.minExtent.left, -180, "(array) bounds left");
t.eq(layer.minExtent.bottom, 0, "(array) bounds left");
t.eq(layer.minExtent.right, 0, "(array) bounds right");
t.eq(layer.minExtent.top, 90, "(array) bounds top");
layer.destroy();
}
function test_eventListeners(t) {
t.plan(1);
var method = OpenLayers.Events.prototype.on;
// test that events.on is called at layer construction
var options = {
eventListeners: {foo: "bar"}
};
OpenLayers.Events.prototype.on = function(obj) {
t.eq(obj, options.eventListeners, "events.on called with eventListeners");
}
var layer = new OpenLayers.Layer("test", options);
OpenLayers.Events.prototype.on = method;
layer.destroy();
// if events.on is called again, this will fail due to an extra test
// test layer without eventListeners
OpenLayers.Events.prototype.on = function(obj) {
t.fail("events.on called without eventListeners");
}
var layer2 = new OpenLayers.Layer("test");
OpenLayers.Events.prototype.on = method;
layer2.destroy();
}
function test_initResolutions_alwaysInRange(t) {
t.plan(3);
var map, layer;
map = new OpenLayers.Map("map");
layer = new OpenLayers.Layer("test", {maxResolution: 80, minResolution: 10});
map.addLayer(layer);
t.eq(layer.alwaysInRange, false,
"alwaysInRange set to false due to passed options");
map.destroy();
map = new OpenLayers.Map("map");
layer = new OpenLayers.Layer("test", {projection: "unknown"});
map.addLayer(layer);
t.eq(layer.alwaysInRange, true,
"alwaysInRange true if unknown projection is set.");
map.destroy();
map = new OpenLayers.Map("map");
OpenLayers.Layer.prototype.alwaysInRange = false;
layer = new OpenLayers.Layer("test", {'projection': 'EPSG:4326'});
map.addLayer(layer);
t.eq(layer.alwaysInRange, false,
"alwaysInRange true if overridden on prototype.");
OpenLayers.Layer.prototype.alwaysInRange = null;
map.destroy();
}
function test_initResolutions_resolutions(t) {
function initResolutionsTest(
id, mapOptions, layerOptions,
expectedResolutions, expectedMinResolution, expectedMaxResolution) {
// setup
var map = new OpenLayers.Map("map", mapOptions);
var layer = new OpenLayers.Layer(null, layerOptions);
map.addLayer(layer);
// make resolution assertions
t.eq(
layer.resolutions.length, expectedResolutions.length,
id + ": correct resolutions length"
);
// allow for floating point imprecision
var got, exp, same = true;
for (var i=0; i<expectedResolutions.length; ++i) {
got = layer.resolutions[i];
exp = expectedResolutions[i];
if (got.toFixed(10) !== exp.toFixed(10)) {
t.fail(id + ": bad resolutions - index " + i + " got " + got + " but expected " + exp);
same = false;
break;
}
}
if (same) {
t.ok(true, id + ": correct resolutions");
}
t.eq(
layer.maxResolution, expectedMaxResolution,
id + ": maxResolution set"
);
t.eq(
layer.minResolution, expectedMinResolution,
id + ": minResolution set"
);
// teardown
map.destroy();
}
// each case is an array of id, map options, layer options, expected resolutions,
// expected min resolution, and expected max resolution
var cases = [[
/*
* Batch 1: map defaults and sensible layer options
*/
"1.0", null, {resolutions: [400, 200, 100]},
[400, 200, 100], 100, 400
], [
"1.1", null, {resolutions: [400, 200, 100], minResolution: 150, maxResolution: 300},
[400, 200, 100], 150, 300
], [
"1.2", null, {maxResolution: 4000, numZoomLevels: 3},
[4000, 2000, 1000], 1000, 4000
], [
"1.3", null, {maxResolution: 4000, maxZoomLevel: 2},
[4000, 2000, 1000], 1000, 4000
], [
"1.4", null, {minResolution: 40, numZoomLevels: 3},
[160, 80, 40], 40, 160
], [
"1.5", null, {minResolution: 40, maxZoomLevel: 2},
[160, 80, 40], 40, 160
], [
"1.6", null, {minResolution: 10, maxResolution: 40},
[40, 20, 10], 10, 40
], [
"1.7", null, {minResolution: 10, maxResolution: 40, numZoomLevels: 3},
[40, 20, 10], 10, 40
], [
"1.8", null, {minResolution: 10, maxResolution: 40, maxZoomLevel: 2},
[40, 20, 10], 10, 40
], [
"1.9", null, {scales: [400000, 200000, 100000]},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.10", null, {scales: [400000, 200000, 100000], minScale: 400000, maxScale: 100000},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.11", null, {minScale: 400000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.12", null, {minScale: 400000, maxZoomLevel: 2},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.13", null, {maxScale: 100000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.14", null, {maxScale: 100000, maxZoomLevel: 2},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.15", null, {maxScale: 100000, minScale: 400000},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.16", null, {maxScale: 100000, minScale: 400000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.17", null, {maxScale: 100000, minScale: 400000, maxZoomLevel: 2},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"1.18", null, {scales: [400000, 200000, 100000], units: "m"},
[141.11139333389778, 70.55569666694889, 35.277848333474445], 35.277848333474445, 141.11139333389778
], [
"1.19", null, {minScale: 400000, numZoomLevels: 3, units: "m"},
[141.11139333389778, 70.55569666694889, 35.277848333474445], 35.277848333474445, 141.11139333389778
], [
"1.20", null, {maxScale: 100000, numZoomLevels: 3, units: "m"},
[141.11139333389778, 70.55569666694889, 35.277848333474445], 35.277848333474445, 141.11139333389778
], [
"1.21", null, {numZoomLevels: 2}, // maxResolution calculated based on the projection's maxExtent here
[1.40625, 0.703125], 0.703125, 1.40625
], [
/*
* Batch 2: custom map options map and sensible layer options
*/
/*
* Batch 2.1: resolutions set in the layer options
*/
"2.1.0", {resolutions: [300, 150]}, {resolutions: [400, 200, 100]},
[400, 200, 100], 100, 400
], [
"2.1.1", {numZoomLevels: 4}, {resolutions: [400, 200, 100]},
[400, 200, 100], 100, 400
], [
"2.1.2", {maxResolution: 300}, {resolutions: [400, 200, 100]},
[400, 200, 100], 100, 400
], [
"2.1.3", {minResolution: 300}, {resolutions: [400, 200, 100]},
[400, 200, 100], 100, 400
], [
"2.1.4", {scales: [4, 2, 1]}, {resolutions: [400, 200, 100]},
[400, 200, 100], 100, 400
], [
"2.1.5", {minScale: 4}, {resolutions: [400, 200, 100]},
[400, 200, 100], 100, 400
], [
"2.1.6", {maxScale: 4}, {resolutions: [400, 200, 100]},
[400, 200, 100], 100, 400
], [
/*
* Batch 2.2: minResolution and maxResolution set in the layer options
*/
"2.2.0", {resolutions: [80, 40, 20, 10]}, {minResolution: 12, maxResolution: 48, numZoomLevels: 0},
[80, 40, 20, 10], 12, 48
], [
"2.2.1", {resolutions: [80, 40, 20, 10]}, {minResolution: 12, maxResolution: 48, numZoomLevels: -1},
[80, 40, 20, 10], 12, 48
], [
"2.2.2", {resolutions: [80, 40, 20, 10]}, {minResolution: 12, maxResolution: 48, numZoomLevels: null},
[80, 40, 20, 10], 12, 48
], [
"2.2.3", {resolutions: [80, 40, 20, 10]}, {minResolution: 12, maxResolution: 48, numZoomLevels: undefined},
[48, 24, 12], 12, 48
], [
"2.2.4", {resolutions: [80, 40, 20, 10]}, {minResolution: 12, maxResolution: 48, numZoomLevels: 3},
[48, 24, 12], 12, 48
], [
"2.2.5", {resolutions: [80, 40, 20, 10]}, {minResolution: 12, maxResolution: 48},
[48, 24, 12], 12, 48
], [
/*
* Batch 2.3: maxResolution set in the layer options
*/
"2.3.0", {resolutions: [300, 150]}, {maxResolution: 4000, numZoomLevels: 3},
[4000, 2000, 1000], 1000, 4000
], [
"2.3.1", {numZoomLevels: 2}, {maxResolution: 4000, numZoomLevels: 3},
[4000, 2000, 1000], 1000, 4000
], [
"2.3.2", {maxResolution: 50}, {maxResolution: 4000, numZoomLevels: 3},
[4000, 2000, 1000], 1000, 4000
], [
"2.3.3", {scales: [4, 2, 1]}, {maxResolution: 4000, numZoomLevels: 3},
[4000, 2000, 1000], 1000, 4000
], [
"2.3.4", {minScale: 4}, {maxResolution: 4000, numZoomLevels: 3},
[4000, 2000, 1000], 1000, 4000
], [
"2.3.5", {resolutions: [300, 150]}, {maxResolution: 250},
[300, 150], 150, 250
], [
/*
* Batch 2.4: minResolution set in the layer options
*/
"2.4.0", {resolutions: [300, 150]}, {minResolution: 40, numZoomLevels: 3},
[160, 80, 40], 40, 160
], [
"2.4.1", {numZoomLevels: 2}, {minResolution: 40, numZoomLevels: 3},
[160, 80, 40], 40, 160
], [
"2.4.2", {minResolution: 50}, {minResolution: 40, numZoomLevels: 3},
[160, 80, 40], 40, 160
], [
"2.4.3", {scales: [4, 2, 1]}, {minResolution: 40, numZoomLevels: 3},
[160, 80, 40], 40, 160
], [
"2.4.4", {maxScale: 1}, {minResolution: 40, numZoomLevels: 3},
[160, 80, 40], 40, 160
], [
"2.4.5", {resolutions: [300, 150]}, {minResolution: 250},
[300, 150], 250, 300
], [
/*
* Batch 2.5: scales set in the layer options
*/
"2.5.0", {resolutions: [4, 2, 1]}, {scales: [400000, 200000, 100000]},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.5.1", {numZoomLevels: 2}, {scales: [400000, 200000, 100000]},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.5.2", {maxResolution: 4}, {scales: [400000, 200000, 100000]},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.5.3", {minResolution: 1}, {scales: [400000, 200000, 100000]},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.5.4", {units: "m"}, {scales: [400000, 200000, 100000]},
[141.11139333389778, 70.55569666694889, 35.277848333474445], 35.277848333474445, 141.11139333389778
], [
/*
* Batch 2.6: minScale set in the layer options
*/
"2.6.0", {resolutions: [4, 2, 1]}, {minScale: 400000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.6.1", {numZoomLevels: 2}, {minScale: 400000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.6.2", {maxResolution: 4}, {minScale: 400000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.6.3", {scales: [400000, 200000, 100000]}, {minScale: 200000},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0006349563376084181
], [
/*
* Batch 2.7: maxScale set in the layer options
*/
"2.7.0", {resolutions: [4, 2, 1]}, {maxScale: 100000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.7.1", {numZoomLevels: 2}, {maxScale: 100000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.7.2", {minResolution: 1}, {maxScale: 100000, numZoomLevels: 3},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.00031747816880420905, 0.0012699126752168362
], [
"2.7.3", {scales: [400000, 200000, 100000]}, {maxScale: 200000},
[0.0012699126752168362, 0.0006349563376084181, 0.00031747816880420905], 0.0006349563376084181, 0.0012699126752168362
], [
/*
* Batch 2.8: numZoomLevels set in the layer options
*/
"2.8.0", {maxResolution: 80}, {numZoomLevels: 4}, // maxResolution calculated based on the projection's maxExtent here
[1.40625, 0.703125, 0.3515625, 0.17578125], 0.17578125, 1.40625
], [
"2.8.1", {maxResolution: 80, numZoomLevels: 4}, {numZoomLevels: null},
[80, 40, 20, 10], 10, 80
], [
"2.8.2", {maxResolution: 80, numZoomLevels: 4}, {numZoomLevels: undefined},
[80, 40, 20, 10], 10, 80
]];
// run all cases (4 tests each)
var i, num = cases.length, c;
t.plan(num * 4);
for (i=0; i<num; ++i) {
c = cases[i];
initResolutionsTest(c[0], c[1], c[2], c[3], c[4], c[5]);
}
}
function test_Layer_visibility(t) {
t.plan(7);
var layer = new OpenLayers.Layer('Test Layer');
t.eq(layer.getVisibility(), true, "default for layer creation is visible");
layer.setVisibility(false);
t.eq(layer.getVisibility(), false, "setVisibility false works");
layer.setVisibility(true);
t.eq(layer.getVisibility(), true, "setVisibility true works");
// Need a map in order to have moveTo called.
// Tests added for #654.
var layer = new OpenLayers.Layer.WMS('Test Layer','http://example.com');
var m = new OpenLayers.Map('map');
m.addLayer(layer);
m.zoomToMaxExtent();
layermoved = false;
layer.moveTo = function() { layermoved = true; }
layer.events.register('visibilitychanged', t, function() {
this.ok(true, "Visibility changed calls layer event.");
});
layer.setVisibility(false);
t.eq(layermoved, false, "Layer didn't move when calling setvis false");
layer.setVisibility(true);
t.eq(layermoved, true, "Layer moved when calling setvis true.");
}
function test_Layer_getZoomForResolution(t) {
t.plan(12);
var layer = new OpenLayers.Layer('Test Layer');
layer.map = {};
//make some dummy resolutions
layer.resolutions = [128, 64, 32, 16, 8, 4, 2];
t.eq(layer.getZoomForResolution(200), 0, "zoom all the way out");
t.eq(layer.getZoomForResolution(25), 2, "zoom in middle");
t.eq(layer.getZoomForResolution(3), 5, "zoom allmost all the way in");
t.eq(layer.getZoomForResolution(1), 6, "zoom all the way in");
t.eq(layer.getZoomForResolution(65), 0, "smallest containing res");
t.eq(layer.getZoomForResolution(63), 1, "smallest containing res");
t.eq(layer.getZoomForResolution(65, true), 1, "closest res");
t.eq(layer.getZoomForResolution(63, true), 1, "closest res");
layer.map.fractionalZoom = true;
t.eq(layer.getZoomForResolution(64), 1,
"(fractionalZoom) correct zoom for res in array");
t.eq(layer.getZoomForResolution(48).toPrecision(6), (1.5).toPrecision(6),
"(fractionalZoom) linear scaling for res between entries");
t.eq(layer.getZoomForResolution(200).toPrecision(6), (0).toPrecision(6),
"(fractionalZoom) doesn't return zoom below zero");
t.eq(layer.getZoomForResolution(1).toPrecision(6), (layer.resolutions.length - 1).toPrecision(6),
"(fractionalZoom) doesn't return zoom above highest index");
}
function test_Layer_redraw(t) {
t.plan(11)
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'};
var layer = new OpenLayers.Layer.WMS(name, url, params);
t.ok(!layer.redraw(),
"redraw on an orphan layer returns false");
var map = new OpenLayers.Map('map');
map.addLayer(layer);
t.ok(!layer.redraw(),
"redraw returns false if map does not yet have a center");
map.zoomToMaxExtent();
t.ok(layer.redraw(),
"redraw returns true after map has a center");
layer.setVisibility(false);
t.ok(!layer.redraw(),
"redraw returns false if a layer is not visible");
layer.setVisibility(true);
t.ok(layer.redraw(),
"redraw returns true even if extent has not changed");
var log = {};
var onMoveend = function(e) {
log.event = e;
};
layer.events.on({"moveend": onMoveend});
layer.redraw();
layer.events.un({"moveend": onMoveend});
// test that the moveend event was triggered
t.ok(log.event, "an event was logged");
t.eq(log.event.type, "moveend", "moveend was triggered");
t.eq(log.event.zoomChanged, true, "event says zoomChanged true - poor name");
layer.moveTo = function(bounds, zoomChanged, dragging) {
var extent = layer.map.getExtent();
t.ok(bounds.equals(extent),
"redraw calls moveTo with the map extent");
t.ok(zoomChanged,
"redraw calls moveTo with zoomChanged true");
t.ok(!dragging,
"redraw calls moveTo with dragging false");
}
layer.redraw();
}
function test_layer_setIsBaseLayer(t) {
t.plan(2);
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer();
map.events.register("changebaselayer", t, function() {
this.ok(true, "setIsBaseLayer() trig changebaselayer event.")
});
map.addLayer(layer);
layer.setIsBaseLayer(true);
t.ok(layer.isBaseLayer, "setIsBaseLayer() change isBaseLayer property.");
}
function test_layer_setTileSize(t) {
t.plan(4);
layer = new OpenLayers.Layer();
g_MapTileSize = new OpenLayers.Size(25,67);
layer.map = {
getTileSize: function() {
return g_MapTileSize;
}
};
var layerTileSize = new OpenLayers.Size(1,1);
//TILE SIZE
layer.tileSize = layerTileSize;
//parameter
var size = new OpenLayers.Size(2,2);
layer.setTileSize(size);
t.ok(layer.tileSize.equals(size), "size paramater set correctly to layer's tile size");
//set on layer
layer.tileSize = layerTileSize;
layer.setTileSize();
t.ok(layer.tileSize.equals(layerTileSize), "layer's tileSize property preserved if no parameter sent in");
//take it from map
layer.tileSize = null;
layer.setTileSize();
t.ok(layer.tileSize.equals(g_MapTileSize), "layer's tileSize property is null and so correctly taken from the map");
//GUTTERS
layer.gutter = 15;
size = new OpenLayers.Size(10,100);
layer.setTileSize(size);
var desiredImageSize = new OpenLayers.Size(40, 130);
t.ok(layer.imageSize.equals(desiredImageSize), "image size correctly calculated");
}
function test_Layer_getResolution(t) {
t.plan(1);
var layer = new OpenLayers.Layer("test");
layer.map = {
getZoom: function() {return "foo";}
};
layer.getResolutionForZoom = function(zoom) {
t.eq(zoom, "foo", "getResolution calls getResolutionForZoom");
}
layer.getResolution();
layer.map = null;
layer.destroy();
}
function test_Layer_getResolutionForZoom(t) {
t.plan(8);
var layer = new OpenLayers.Layer("test");
layer.map = {fractionalZoom: false};
layer.resolutions = ["zero", "one", "two"];
t.eq(layer.getResolutionForZoom(0), "zero",
"(fractionalZoom false) returns resolution for given index");
t.eq(layer.getResolutionForZoom(0.9), "one",
"(fractionalZoom false) returns resolution for float index");
layer.resolutions = [2, 4, 6, 8];
layer.map.fractionalZoom = true;
t.eq(layer.getResolutionForZoom(1).toPrecision(6), (4).toPrecision(6),
"(fractionalZoom true) returns resolution for integer zoom");
t.eq(layer.getResolutionForZoom(1.3).toPrecision(6), (4.6).toPrecision(6),
"(fractionalZoom true) for zoom 1.3 should be 4.6");
t.eq(layer.getResolutionForZoom(1.6).toPrecision(6), (5.2).toPrecision(6),
"(fractionalZoom true) for zoom 1.6 should be 5.2");
t.eq(layer.getResolutionForZoom(1.8).toPrecision(6), (5.6).toPrecision(6),
"(fractionalZoom true) for zoom 1.8 should be 5.6");
t.eq(layer.getResolutionForZoom(1.5).toPrecision(6), (5).toPrecision(6),
"(fractionalZoom true) returns resolution for float zoom");
t.eq(layer.getResolutionForZoom(3.5).toPrecision(6), (8).toPrecision(6),
"(fractionalZoom true) returns resolution for zoom beyond res length - 1");
}
function test_afterAdd(t) {
t.plan(4);
var log = [];
var map = new OpenLayers.Map("map");
var layer = new OpenLayers.Layer(null, {
isBaseLayer: true,
eventListeners: {
"added": function(evt) {
log.push(evt);
}
}
});
var hasBase = false;
layer.afterAdd = function() {
hasBase = !!(layer.map && layer.map.baseLayer);
}
map.addLayer(layer);
t.eq(hasBase, true, "when afterAdd is called, map has a base layer");
t.eq(log.length, 1, "added event triggered");
t.eq(log[0].map.id, map.id, "added listener argument with correct map");
t.eq(log[0].layer.id, layer.id, "added listener argument with correct layer");
}
function test_setOpacity(t) {
t.plan(5);
var map, layer, log;
map = new OpenLayers.Map("map");
layer = new OpenLayers.Layer("");
map.addLayer(layer);
log = [];
map.events.register('changelayer', t, function(event) {
log.push({layer: event.layer, property: event.property});
});
layer.setOpacity(0.42);
t.eq(layer.opacity, 0.42,
"setOpacity() set layer.opacity to correct value");
t.eq(log.length, 1,
"setOpacity() triggers changelayer once");
t.ok(log[0].layer == layer,
"changelayer listener called with expected layer");
t.eq(log[0].property, "opacity",
"changelayer listener called with expected property");
// This call must not trig the event because the opacity value is the same.
log = [];
layer.setOpacity(0.42);
t.eq(log.length, 0,
"setOpacity() does not trigger changelayer if the opacity value is the same");
}
/******
*
*
* HERE IS WHERE SOME TESTS SHOULD BE PUT TO CHECK ON THE LONLAT-PX TRANSLATION
* FUNCTIONS AND RESOLUTION AND GETEXTENT GETZOOMLEVEL, ETC
*
*
*/
function test_Layer_destroy (t) {
t.plan( 8 );
var log = [];
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer('Test Layer', {
eventListeners: {
"removed": function(evt) {
log.push(evt);
}
}
});
map.addLayer(layer);
layer.destroy();
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" );
t.eq(map.layers.length, 0, "layer removed from map");
t.eq(log.length, 1, "removed event triggered");
t.eq(log[0].map.id, map.id, "removed listener argument with correct map");
t.eq(log[0].layer.id, layer.id, "removed listener argument with correct layer");
map.destroy();
}
</script>
</head>
<body>
<div id="map" style="width:500px;height:500px"></div>
<div id="map2" style="width:100px;height:100px"></div>
</body>
</html>
|
