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Add ol.source.TileWMS tests

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This commit is contained in:
Tom Payne
2014-01-09 10:50:51 +01:00
parent 079cd585e6
commit 8d18f25296
1 changed files with 113 additions and 0 deletions
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113
test/spec/ol/source/tilewmssource.test.js Normal file
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goog.provide('ol.test.source.TileWMS');
describe('ol.source.TileWMS', function() {
var options;
beforeEach(function() {
options = {
params: {
'LAYERS': 'layer'
},
url: 'http://example.com/wms'
};
});
describe('#getTile', function() {
it('returns a tile with the expected URL', function() {
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:3857'));
expect(tile).to.be.an(ol.ImageTile);
var uri = new goog.Uri(tile.src_);
expect(uri.getScheme()).to.be('http');
expect(uri.getDomain()).to.be('example.com');
expect(uri.getPath()).to.be('/wms');
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be(
'-10018754.171394622,-15028131.257091932,' +
'-5009377.085697311,-10018754.17139462');
expect(queryData.get('CRS')).to.be('EPSG:3857');
expect(queryData.get('FORMAT')).to.be('image/png');
expect(queryData.get('HEIGHT')).to.be('256');
expect(queryData.get('LAYERS')).to.be('layer');
expect(queryData.get('REQUEST')).to.be('GetMap');
expect(queryData.get('SERVICE')).to.be('WMS');
expect(queryData.get('SRS')).to.be(undefined);
expect(queryData.get('STYLES')).to.be('');
expect(queryData.get('TRANSPARENT')).to.be('true');
expect(queryData.get('VERSION')).to.be('1.3.0');
expect(queryData.get('WIDTH')).to.be('256');
expect(uri.getFragment()).to.be.empty();
});
it('returns a larger tile when a gutter is specified', function() {
options.gutter = 16;
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:3857'));
expect(tile).to.be.an(ol.ImageTile);
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be(
'-10331840.239250705,-15341217.324948015,' +
'-4696291.017841229,-9705668.103538537');
expect(queryData.get('HEIGHT')).to.be('288');
expect(queryData.get('WIDTH')).to.be('288');
});
it('sets the SRS query value instead of CRS if version < 1.3', function() {
options.params.VERSION = '1.2';
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('CRS')).to.be(undefined);
expect(queryData.get('SRS')).to.be('EPSG:4326');
});
it('allows various parameters to be overridden', function() {
options.params.FORMAT = 'image/jpeg';
options.params.TRANSPARENT = false;
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('FORMAT')).to.be('image/jpeg');
expect(queryData.get('TRANSPARENT')).to.be('false');
});
it('does not add a STYLES= option if one is specified', function() {
options.params.STYLES = 'foo';
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('STYLES')).to.be('foo');
});
it('changes the BBOX order for EN axis orientations', function() {
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:4326'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be('-45,-90,0,-45');
});
it('uses EN BBOX order if version < 1.3', function() {
options.params.VERSION = '1.1.0';
var source = new ol.source.TileWMS(options);
var tile = source.getTile(3, 2, 1, ol.proj.get('CRS:84'));
var uri = new goog.Uri(tile.src_);
var queryData = uri.getQueryData();
expect(queryData.get('BBOX')).to.be('-90,-45,-45,0');
});
});
});
goog.require('goog.Uri');
goog.require('ol.ImageTile');
goog.require('ol.source.TileWMS');
goog.require('ol.proj');