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Updated to new build and test infrastructure
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // Test geo.core.osmLayer | ||
| var geo = require('../test-utils').geo; | ||
| var $ = require('jquery'); | ||
|
|
||
| beforeEach(function () { | ||
| $('<div id="map-canvas-heatmap-feature"/>').appendTo('body') | ||
| .css({width: '500px', height: '400px'}); | ||
| }); | ||
|
|
||
| afterEach(function () { | ||
| $('#map-canvas-heatmap-feature').remove(); | ||
| }); | ||
|
|
||
| describe('canvas heatmap feature', function () { | ||
| 'use strict'; | ||
|
|
||
| var mockAnimationFrame = require('../test-utils').mockAnimationFrame; | ||
| var stepAnimationFrame = require('../test-utils').stepAnimationFrame; | ||
| var unmockAnimationFrame = require('../test-utils').unmockAnimationFrame; | ||
|
|
||
| var map, width = 800, height = 600, layer, feature1, feature2, | ||
| testData = "Strength, Lat,Lon\ | ||
| 0.6,42.8584,-70.9301\ | ||
| 0.233,42.2776,-83.7409\ | ||
| 0.2,42.2776,-83.7409,"; | ||
| testData = testData.split(/\r\n|\n|\r/); | ||
| testData = testData.map( function (r) { | ||
| var fields = r.split(','); | ||
| return [fields[12], fields[24], fields[25]].map(parseFloat); | ||
| }); | ||
| testData.splice(0, 1); | ||
|
|
||
| it('Setup map', function () { | ||
| map = geo.map({node: '#map-canvas-heatmap-feature', center: [0, 0], zoom: 3}); | ||
| layer = map.createLayer('feature', {'renderer': 'canvas'}); | ||
| map.resize(0, 0, width, height); | ||
| }); | ||
|
|
||
| it('Add features to a layer', function () { | ||
| feature1 = layer.createFeature('heatmap') | ||
| .data(testData) | ||
| .intensity(function (d) { | ||
| return d[0]; | ||
| }) | ||
| .position(function (d) { | ||
| return { | ||
| x: d[2], | ||
| y: d[1] | ||
| }; | ||
| }) | ||
| .style('radius', 5) | ||
| .style('blurRadius', 15) | ||
| .style('opacity', 1.0); | ||
|
|
||
| mockAnimationFrame(); | ||
| map.draw(); | ||
| stepAnimationFrame(new Date().getTime()); | ||
| expect(layer.children().length).toBe(1) | ||
| unmockAnimationFrame(); | ||
| }); | ||
|
|
||
| it('Validate selection API option', function () { | ||
| expect(feature1.selectionAPI()).toBe(false); | ||
| }); | ||
|
|
||
| it('Validate position', function () { | ||
| expect(feature1.position()([0.6, 42.8584, -70.9301])) | ||
| .toEqual({x:-70.9301, y:42.8584}); | ||
| }); | ||
|
|
||
| it('Validate maximum intensity', function () { | ||
| expect(feature1.maxIntensity()).toBe(1); | ||
| }); | ||
|
|
||
| it('Validate minimum intensity', function () { | ||
| expect(feature1.minIntensity()).toBe(0); | ||
| }); | ||
|
|
||
| it('Remove a feature from a layer', function () { | ||
| layer.deleteFeature(feature1).draw(); | ||
| expect(layer.children().length).toBe(0); | ||
| }); | ||
|
|
||
| it('Compute gradient', function () { | ||
| feature1.style("color", {0: {r: 0, g: 0, b: 0.0, a: 0.0}, | ||
| 0.25: {r: 0, g: 0, b: 1, a: 0.5}, | ||
| 0.5: {r: 0, g: 1, b: 1, a: 0.6}, | ||
| 0.75: {r: 1, g: 1, b: 0, a: 0.7}, | ||
| 1: {r: 1, g: 0, b: 0, a: 0.1}}); | ||
| feature1._computeGradient(); | ||
| expect(layer.node()[0].children[0].getContext('2d'). | ||
| getImageData(1, 0, 1, 1).data.length).toBe(4) | ||
| }); | ||
| }); |