98 lines
3.0 KiB
JavaScript
98 lines
3.0 KiB
JavaScript
goog.require('ol.MapOptions');
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describe('ol.MapOptions', function() {
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describe('create constraints', function() {
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describe('create resolution constraint', function() {
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describe('with no options', function() {
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it('gives a correct resolution constraint function', function() {
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var options = {};
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var fn = ol.MapOptions.createConstraints_(options).resolution;
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expect(fn(156543.03392804097, 0))
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.toRoughlyEqual(156543.03392804097, 1e-9);
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expect(fn(78271.51696402048, 0))
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.toRoughlyEqual(78271.51696402048, 1e-10);
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});
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});
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describe('with maxResolution, numZoomLevels, and zoomFactor options',
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function() {
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it('gives a correct resolution constraint function', function() {
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var options = {
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maxResolution: 81,
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numZoomLevels: 4,
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zoomFactor: 3
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};
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var fn = ol.MapOptions.createConstraints_(options).resolution;
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expect(fn(82, 0)).toEqual(81);
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expect(fn(81, 0)).toEqual(81);
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expect(fn(27, 0)).toEqual(27);
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expect(fn(9, 0)).toEqual(9);
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expect(fn(3, 0)).toEqual(3);
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expect(fn(2, 0)).toEqual(3);
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});
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});
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describe('with resolutions', function() {
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it('gives a correct resolution constraint function', function() {
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var options = {
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resolutions: [97, 76, 65, 54, 0.45]
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};
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var fn = ol.MapOptions.createConstraints_(options).resolution;
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expect(fn(97, 0), 97);
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expect(fn(76, 0), 76);
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expect(fn(65, 0), 65);
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expect(fn(54, 0), 54);
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expect(fn(0.45, 0), 0.45);
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});
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});
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});
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});
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describe('create interactions', function() {
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var options;
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beforeEach(function() {
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options = {
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rotate: false,
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doubleClickZoom: false,
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dragPan: false,
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keyboard: false,
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mouseWheelZoom: false,
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shiftDragZoom: false
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};
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});
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describe('create mousewheel interaction', function() {
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beforeEach(function() {
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options.mouseWheelZoom = true;
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});
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describe('default mouseWheelZoomDelta', function() {
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it('create mousewheel interaction with default delta', function() {
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var interactions = ol.MapOptions.createInteractions_(options);
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expect(interactions.getLength()).toEqual(1);
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expect(interactions.getAt(0)).toBeA(ol.interaction.MouseWheelZoom);
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expect(interactions.getAt(0).delta_).toEqual(1);
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});
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});
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describe('set mouseWheelZoomDelta', function() {
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it('create mousewheel interaction with default delta', function() {
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options.mouseWheelZoomDelta = 7;
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var interactions = ol.MapOptions.createInteractions_(options);
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expect(interactions.getLength()).toEqual(1);
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expect(interactions.getAt(0)).toBeA(ol.interaction.MouseWheelZoom);
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expect(interactions.getAt(0).delta_).toEqual(7);
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});
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});
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});
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});
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});
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