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Introduces getGetLegendGraphic method

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Adds the `getGetLegendGraphic` method to `ImageWMS` and `TileWMS` source.
Also adds an example and corresponding tests.
This commit is contained in:
Kai Volland
2019-04-04 12:06:03 +02:00
committed by simonseyock
parent 7e3ed92ba6
commit f493f01bd0
6 changed files with 247 additions and 2 deletions
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57
test/spec/ol/source/tilewms.test.js
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@@ -299,6 +299,63 @@ describe('ol.source.TileWMS', function() {
});
});
describe('#getGetLegendGraphicUrl', function() {
it('returns the getLegenGraphic url as expected', function() {
const source = new TileWMS(options);
const url = source.getGetLegendGraphicUrl(0.1);
const uri = new URL(url);
expect(uri.protocol).to.be('http:');
expect(uri.hostname).to.be('example.com');
expect(uri.pathname).to.be('/wms');
const queryData = uri.searchParams;
expect(queryData.get('FORMAT')).to.be('image/png');
expect(queryData.get('LAYER')).to.be('layer');
expect(queryData.get('REQUEST')).to.be('GetLegendGraphic');
expect(queryData.get('SERVICE')).to.be('WMS');
expect(queryData.get('VERSION')).to.be('1.3.0');
expect(queryData.get('SCALE')).to.be('357.14214285714274');
});
it('adds additional params as expected', function() {
const source = new TileWMS(options);
const url = source.getGetLegendGraphicUrl(0.1, {
STYLE: 'STYLE_VALUE',
FEATURETYPE: 'FEATURETYPE_VALUE',
RULE: 'RULE_VALUE',
SLD: 'SLD_VALUE',
SLD_BODY: 'SLD_BODY_VALUE',
FORMAT: 'FORMAT_VALUE',
WIDTH: 'WIDTH_VALUE',
HEIGHT: 'HEIGHT_VALUE',
EXCEPTIONS: 'EXCEPTIONS_VALUE',
LANGUAGE: 'LANGUAGE_VALUE'
});
const uri = new URL(url);
expect(uri.protocol).to.be('http:');
expect(uri.hostname).to.be('example.com');
expect(uri.pathname).to.be('/wms');
const queryData = uri.searchParams;
expect(queryData.get('FORMAT')).to.be('FORMAT_VALUE');
expect(queryData.get('LAYER')).to.be('layer');
expect(queryData.get('REQUEST')).to.be('GetLegendGraphic');
expect(queryData.get('SERVICE')).to.be('WMS');
expect(queryData.get('VERSION')).to.be('1.3.0');
expect(queryData.get('SCALE')).to.be('357.14214285714274');
expect(queryData.get('STYLE')).to.be('STYLE_VALUE');
expect(queryData.get('FEATURETYPE')).to.be('FEATURETYPE_VALUE');
expect(queryData.get('RULE')).to.be('RULE_VALUE');
expect(queryData.get('SLD')).to.be('SLD_VALUE');
expect(queryData.get('SLD_BODY')).to.be('SLD_BODY_VALUE');
expect(queryData.get('FORMAT')).to.be('FORMAT_VALUE');
expect(queryData.get('WIDTH')).to.be('WIDTH_VALUE');
expect(queryData.get('HEIGHT')).to.be('HEIGHT_VALUE');
expect(queryData.get('EXCEPTIONS')).to.be('EXCEPTIONS_VALUE');
expect(queryData.get('LANGUAGE')).to.be('LANGUAGE_VALUE');
});
});
describe('#setUrl()', function() {
it('sets the correct url', function() {
const source = new TileWMS(options);