d7776e77a7
git-svn-id: http://svn.openlayers.org/trunk/openlayers@4088 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
587 lines
19 KiB
HTML
587 lines
19 KiB
HTML
<html>
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<head>
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<script src="../../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
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var layer;
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var name = 'Test Layer';
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var url = "http://octo.metacarta.com/cgi-bin/mapserv";
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var params = { map: '/mapdata/vmap_wms.map',
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layers: 'basic',
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format: 'image/png'};
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/**
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* NOTE TO READER:
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*
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* Some of the tests on the Grid class actually use the WMS class.
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* This is because WMS is a subclass of Grid and it implements the
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* core functions which are necessary to test the tile-generation
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* mechanism.
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*
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*/
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function test_01_Layer_Grid_constructor (t) {
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t.plan( 5 );
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layer = new OpenLayers.Layer.Grid(name, url, params, null);
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t.ok( layer instanceof OpenLayers.Layer.Grid, "returns OpenLayers.Layer.Grid object" );
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t.eq( layer.buffer, 2, "buffer default is 2");
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t.eq( layer.ratio, 1.5, "ratio default is 1.5");
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t.eq( layer.numLoadingTiles, 0, "numLoadingTiles starts at 0");
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t.ok( layer.events.listeners["tileloaded"] != null, "'tileloaded' event added to layer's event types");
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}
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function test_02_Layer_Grid_inittiles (t) {
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t.plan( 2 );
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0),5);
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t.eq( layer.grid.length, 7, "Grid rows is correct." );
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t.eq( layer.grid[0].length, 6, "Grid cols is correct." );
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}
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function test_03_Layer_Grid_clearTiles (t) {
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t.plan(3);
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0));
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var numTiles = layer.grid.length * layer.grid[0].length;
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//our count of how many times tile.destroy() is called
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tilesDeleted = 0;
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//this will get set to false if we try to destroy a tile that has
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// not been unhookedv
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allTilesUnhooked = true;
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OpenLayers.Tile.Image.prototype._destroy =
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OpenLayers.Tile.Image.prototype.destroy;
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OpenLayers.Tile.Image.prototype.destroy = function() {
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if (!this.unhooked) {
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allTilesUnhooked = false;
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}
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tilesDeleted++;
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}
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layer.removeTileMonitoringHooks = function(tile) {
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tile.unhooked = true;
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}
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layer.clearGrid();
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t.ok( layer.grid != null, "layer.grid does not get nullified" );
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t.eq(tilesDeleted, numTiles, "all tiles destroy()ed properly");
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t.ok(allTilesUnhooked, "all tiles unhooked before being destroyed");
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OpenLayers.Tile.Image.prototype.destroy =
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OpenLayers.Tile.Image.prototype._destroy;
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}
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function test_04_Layer_Grid_getTilesBounds(t) {
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t.plan( 4 );
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layer = new OpenLayers.Layer.WMS(name, url, params);
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//normal grid
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var bl = { bounds: new OpenLayers.Bounds(1,2,0,0)};
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var tr = { bounds: new OpenLayers.Bounds(0,0,3,4)};
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layer.grid = [ [6, tr],
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[bl, 7]];
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var bounds = layer.getTilesBounds();
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var testBounds = new OpenLayers.Bounds(1,2,3,4);
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t.ok( bounds.equals(testBounds), "getTilesBounds() returns correct bounds");
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var bounds = layer.getGridBounds();
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t.ok( bounds.equals(testBounds), "getGridBounds() wrapper works the same as getTilesBounds.");
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//no tiles
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layer.grid = [];
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bounds = layer.getTilesBounds();
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t.ok(bounds == null, "getTilesBounds() on a tile-less grid returns null");
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//singleTile
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var singleTile = { bounds: new OpenLayers.Bounds(1,2,3,4)};
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layer.grid = [ [ singleTile ] ];
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bounds = layer.getTilesBounds();
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t.ok( bounds.equals(testBounds), "getTilesBounds() returns correct bounds");
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}
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function test_05_Layer_Grid_getResolution(t) {
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t.plan( 1 );
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params);
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map.addLayer(layer);
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map.zoom = 5;
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t.eq( layer.getResolution(), 0.0439453125, "getResolution() returns correct value");
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}
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function test_06_Layer_Grid_getZoomForExtent(t) {
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t.plan( 2 );
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var bounds, zoom;
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params);
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map.addLayer(layer);
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bounds = new OpenLayers.Bounds(10,10,12,12);
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zoom = layer.getZoomForExtent(bounds);
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t.eq( zoom, 8, "getZoomForExtent() returns correct value");
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bounds = new OpenLayers.Bounds(10,10,100,100);
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zoom = layer.getZoomForExtent(bounds);
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t.eq( zoom, 2, "getZoomForExtent() returns correct value");
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}
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function test_07_Layer_Grid_moveTo(t) {
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t.plan(13);
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params);
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layer.destroy = function() {}; //we're going to do funky things with the grid
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map.addLayer(layer);
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//make sure null bounds doesnt cause script error.
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// no test necessary, just action
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map.getExtent = function() { return null; }
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layer.singleTile = false;
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layer.moveTo(); //checks to make sure null bounds doesnt break us
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//observing globals
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layer.initSingleTile = function(bounds) {
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g_WhichFunc = "InitSingle";
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g_Bounds = bounds;
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};
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layer.initGriddedTiles = function(bounds) {
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g_WhichFunc = "InitGridded";
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g_Bounds = bounds;
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};
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layer.moveGriddedTiles = function(bounds) {
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g_WhichFunc = "MoveGridded";
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g_Bounds = bounds;
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};
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var clearTestBounds = function() {
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g_WhichFunc = null;
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g_Bounds = null;
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};
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//default map extent (tested every time below)
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b = new OpenLayers.Bounds(0,0,100,100);
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map.getExtent = function() {
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return b;
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};
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var tilesBounds = null;
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layer.getTilesBounds = function() {
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return tilesBounds;
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}
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//FORCE
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//empty grid
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layer.grid = [];
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//grid
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clearTestBounds();
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layer.singleTile = false;
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layer.moveTo()
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t.ok(g_Bounds.equals(b), "if grid is empty, initGridded called");
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//singletile
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clearTestBounds();
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layer.singleTile = true;
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layer.moveTo()
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t.ok(g_Bounds.equals(b), "if grid is empty, initSingleTile called");
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//zoomChanged
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zoomChanged = true;
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layer.grid = [ [ {} ] ];
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//grid
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clearTestBounds();
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layer.singleTile = false;
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layer.moveTo(null, zoomChanged);
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t.ok(g_Bounds.equals(b), "if layer has grid but zoomChanged is called, initGridded called");
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//singletile
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clearTestBounds();
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layer.singleTile = true;
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layer.moveTo(null, zoomChanged);
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t.ok(g_Bounds.equals(b), "if layer has grid but zoomChanged is called, initSingleTile called");
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layer.getTilesBounds = function() {
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return tilesBounds;
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}
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//NO FORCE
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zoomChanged = false;
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layer.grid = [ [ {} ] ];
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//single tile
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layer.singleTile = true;
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//DRAGGING
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var dragging = true;
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//in bounds
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(-10,-10,110,110);
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layer.moveTo(null, zoomChanged, dragging);
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t.ok(g_Bounds == null, "if dragging and tile in bounds, no init()");
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//out bounds
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(10,10,120,120);
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layer.moveTo(null, zoomChanged, dragging);
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t.ok(g_Bounds == null, "if dragging and tile out of bounds, no init()");
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//NOT DRAGGING
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dragging = false;
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//in bounds
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(-10,-10,110,110);
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layer.moveTo(null, zoomChanged, dragging);
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t.ok(g_Bounds == null, "if dragging and tile in bounds, no init()");
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//out bounds
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(10,10,120,120);
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layer.moveTo(null, zoomChanged, dragging);
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t.ok(g_WhichFunc == "InitSingle", "if not dragging and tile out of bounds, we call initSingleTile()");
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t.ok(g_Bounds.equals(b), "if not dragging and tile out of bounds, we call initSingleTile() with correct bounds");
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//gridded
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layer.grid = [ [ {} ] ];
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layer.singleTile = false;
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// drastic pan
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(-150,-150,-120,-120);
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layer.moveTo(null, zoomChanged);
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t.ok(g_WhichFunc == "InitGridded", "if tiles drastically out of bounds, we call initGriddedTile()");
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t.ok(g_Bounds.equals(b), "if tiles drastically out of bounds, we call initGriddedTile() with correct bounds");
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//regular move
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(10,10,120,120);
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layer.moveTo(null, zoomChanged);
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t.ok(g_WhichFunc == "MoveGridded", "if tiles not drastically out of bounds, we call moveGriddedTile()");
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t.ok(g_Bounds.equals(b), "if tiles not drastically out of bounds, we call moveGriddedTile() with correct bounds");
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}
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/** THIS WOULD BE WHERE THE TESTS WOULD GO FOR
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*
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* -insertColumn
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* -insertRow
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*
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function 08_Layer_Grid_insertColumn(t) {
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}
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function 09_Layer_Grid_insertRow(t) {
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}
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*
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*/
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function test_10_Layer_Grid_clone(t) {
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t.plan(5);
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var options = {tileSize: new OpenLayers.Size(500,50)};
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var map = new OpenLayers.Map('map', options);
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layer = new OpenLayers.Layer.Grid(name, url, params);
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map.addLayer(layer);
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layer.grid = [ [6, 7],
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[8, 9]];
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var clone = layer.clone();
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t.ok( clone.grid != layer.grid, "clone does not copy grid");
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t.ok( clone.grid.length == 0, "clone creates a new array instead");
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t.ok( clone.tileSize.equals(layer.tileSize), "tileSize correctly cloned");
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layer.tileSize.w += 40;
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t.eq( clone.tileSize.w, 500, "changing layer.tileSize does not change clone.tileSize -- a fresh copy was made, not just copied reference");
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t.eq( clone.alpha, layer.alpha, "alpha copied correctly");
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layer.grid = null;
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}
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function test_11_Layer_Grid_setTileSize(t) {
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t.plan(1);
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OpenLayers.Layer.HTTPRequest.prototype._setTileSize =
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OpenLayers.Layer.HTTPRequest.prototype.setTileSize;
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OpenLayers.Layer.HTTPRequest.prototype.setTileSize = function(size) {
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g_Size = size;
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};
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layer = new OpenLayers.Layer.Grid(name, url, params, {
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singleTile: true
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});
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mapSize = new OpenLayers.Size(100,1000);
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layer.map = {
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getSize: function() { return mapSize; }
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}
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g_Size = null;
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layer.setTileSize();
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var idealSize = new OpenLayers.Size(150,1500);
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t.ok( g_Size && g_Size.equals(idealSize), "correctly calculated tile size passed to superclass setTileSize() function");
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OpenLayers.Layer.HTTPRequest.prototype.setTileSize =
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OpenLayers.Layer.HTTPRequest.prototype._setTileSize;
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}
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function test_12_Layer_Grid_initSingleTile(t) {
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t.plan( 11 );
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layer = new OpenLayers.Layer.Grid(name, url, params, {
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singleTile: true,
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ratio: 2
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});
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var bounds = new OpenLayers.Bounds(-10,10,50,100);
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var desiredTileBounds = new OpenLayers.Bounds(-40,-35,80,145);
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var desiredUL = new OpenLayers.LonLat(-40,145);
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translatedPX = {};
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layer.map = {
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getLayerPxFromLonLat: function(ul) {
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t.ok(ul.equals(desiredUL), "correct ul passed to translation");
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return translatedPX;
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}
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}
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var newTile = {
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draw: function() {
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t.ok(true, "newly created tile has been drawn");
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}
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};
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layer.addTile = function(tileBounds, px) {
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t.ok(tileBounds.equals(desiredTileBounds), "correct tile bounds passed to addTile to create new tile");
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t.ok(px == translatedPX, "correct tile px passed to addTile to create new tile");
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return newTile;
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};
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layer.addTileMonitoringHooks = function(tile) {
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t.ok(tile == newTile, "adding monitoring hooks to the newly added tile");
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};
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layer.removeExcessTiles = function(x,y) {
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t.ok(x == 1 && y == 1, "removeExcessTiles called")
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};
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layer.grid = [];
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layer.initSingleTile(bounds);
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t.ok(layer.grid[0][0] == newTile, "grid's 0,0 is set to the newly created tile");
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var tile = {
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moveTo: function(tileBounds, px) {
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t.ok(tileBounds.equals(desiredTileBounds), "correct tile bounds passed to tile.moveTo()");
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t.ok(px == translatedPX, "correct tile px passed to tile.moveTo()");
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}
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};
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layer.grid = [[ tile ]];
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layer.initSingleTile(bounds);
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}
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function test_14_Layer_Grid_addTileMonitoringHooks(t) {
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t.plan(14);
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layer = new OpenLayers.Layer.Grid();
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layer.events = {
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'triggerEvent': function(str) {
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g_events.push(str);
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}
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}
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var tile = {
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events: {
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register: function(name, obj, func) {
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g_registered[name] = [obj, func];
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}
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}
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}
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g_registered = {};
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g_events = [];
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layer.addTileMonitoringHooks(tile);
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//loadstart
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t.ok(tile.onLoadStart != null, "onLoadStart function created and added to tile");
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entry = g_registered["loadstart"];
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t.ok( entry && entry[0] == layer && entry[1] == tile.onLoadStart, "loadstart correctly registered");
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layer.numLoadingTiles = 0;
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g_events = [];
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tile.onLoadStart.apply(layer);
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t.eq(g_events[0], "loadstart", "loadstart event triggered when numLoadingTiles is 0");
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t.eq(layer.numLoadingTiles, 1, "numLoadingTiles incremented");
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g_events = [];
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tile.onLoadStart.apply(layer);
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t.eq(g_events.length, 0, "loadstart event not triggered when numLoadingTiles is not 0");
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t.eq(layer.numLoadingTiles, 2, "numLoadingTiles incremented");
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//loadend
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t.ok(tile.onLoadEnd != null, "onLoadEnd function created and added to tile");
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entry = g_registered["loadend"];
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t.ok( entry && entry[0] == layer && entry[1] == tile.onLoadEnd, "loadend correctly registered");
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layer.numLoadingTiles = 2;
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g_events = [];
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tile.onLoadEnd.apply(layer);
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t.eq(g_events[0], "tileloaded", "tileloaded triggered when numLoadingTiles is > 0");
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t.eq(g_events.length, 1, "loadend event not triggered when numLoadingTiles is > 0");
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t.eq(layer.numLoadingTiles, 1, "numLoadingTiles decremented");
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g_events = [];
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tile.onLoadEnd.apply(layer);
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t.eq(g_events[0], "tileloaded", "tileloaded triggered when numLoadingTiles is 0");
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t.eq(g_events[1], "loadend", "loadend event triggered when numLoadingTiles is 0");
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t.eq(layer.numLoadingTiles, 0, "numLoadingTiles decremented");
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}
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function test_15_Layer_Grid_removeTileMonitoringHooks(t) {
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t.plan(2);
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layer = new OpenLayers.Layer.Grid();
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var tile = {
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onLoadStart: {},
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onLoadEnd: {},
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events: {
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unregister: function(name, obj, func) {
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g_unregistered[name] = [obj, func];
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}
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}
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}
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g_unregistered = {};
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layer.removeTileMonitoringHooks(tile);
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entry = g_unregistered["loadstart"];
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t.ok( entry && entry[0] == layer && entry[1] == tile.onLoadStart, "loadstart correctly unregistered");
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entry = g_unregistered["loadend"];
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t.ok( entry && entry[0] == layer && entry[1] == tile.onLoadEnd, "loadend correctly unregistered");
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}
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function test_16_Layer_Grid_tileSizeIsInteger(t) {
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t.plan(1);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.Grid(name, url, params, {
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singleTile: true,
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ratio: 1.5
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});
|
|
map.addLayers([layer]);
|
|
|
|
width = layer.tileSize.w;
|
|
height = layer.tileSize.h;
|
|
t.ok(width == parseInt(width) && height == parseInt(height), "calculated tileSize width/height are integer values");
|
|
}
|
|
function test_12_Layer_Grid_getTileBounds(t) {
|
|
t.plan(2);
|
|
var map = new OpenLayers.Map("map2");
|
|
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();
|
|
map.zoomIn();
|
|
var bounds = layer.getTileBounds(new OpenLayers.Pixel(200,200));
|
|
t.eq(bounds.toBBOX(), "-180,-90,0,90", "get tile bounds returns correct bounds");
|
|
map.pan(200,0);
|
|
var bounds = layer.getTileBounds(new OpenLayers.Pixel(200,200));
|
|
t.eq(bounds.toBBOX(), "0,-90,180,90", "get tile bounds returns correct bounds after pan");
|
|
}
|
|
|
|
function test_99_Layer_Grid_destroy (t) {
|
|
|
|
t.plan( 5 );
|
|
|
|
var map = new OpenLayers.Map('map');
|
|
layer = new OpenLayers.Layer.Grid(name, url, params);
|
|
map.addLayer(layer);
|
|
layer.destroy();
|
|
t.eq( layer.grid, null, "layer.grid is null after destroy" );
|
|
t.eq( layer.tileSize, null, "layer.tileSize is null after destroy" );
|
|
|
|
|
|
//test with tile creation
|
|
layer = new OpenLayers.Layer.WMS(name, url, params);
|
|
map.addLayer(layer);
|
|
|
|
map.setCenter(new OpenLayers.LonLat(0,0), 10);
|
|
|
|
|
|
//grab a reference to one of the tiles
|
|
var tile = layer.grid[1][1];
|
|
t.eq( tile.imgDiv.className, "olTileImage", "Tile has an image" );
|
|
|
|
layer.destroy();
|
|
t.eq( tile.imgDiv, null, "Tile destroyed" );
|
|
|
|
t.ok( layer.grid == null, "tiles appropriately destroyed")
|
|
}
|
|
|
|
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<div id="map" style="width:499px;height:549px;display:none"></div>
|
|
<div id="map2" style="width:500px;height:550px;display:none"></div>
|
|
</body>
|
|
</html>
|