| 1 | /** |
| 2 | * @fileoverview Tests for the highlightSeriesBackgroundAlpha and highlightSeriesBackgroundColor options. |
| 3 | * @author sergeyslepian@gmail.com |
| 4 | */ |
| 5 | |
| 6 | describe("highlight-series-background", function() { |
| 7 | |
| 8 | beforeEach(function () { |
| 9 | document.body.innerHTML = "<div id='graph'></div>"; |
| 10 | }); |
| 11 | |
| 12 | afterEach(function () { |
| 13 | }); |
| 14 | |
| 15 | function setupGraph(highlightSeriesBackgroundAlpha, highlightSeriesBackgroundColor) { |
| 16 | var opts = { |
| 17 | width: 480, |
| 18 | height: 320, |
| 19 | labels: ['x', 'y'], |
| 20 | legend: 'always', |
| 21 | highlightSeriesOpts: { |
| 22 | strokeWidth: 1, |
| 23 | strokeBorderWidth: 1, |
| 24 | highlightCircleSize: 1 |
| 25 | } |
| 26 | }; |
| 27 | |
| 28 | if(highlightSeriesBackgroundAlpha !== undefined) opts.highlightSeriesBackgroundAlpha = highlightSeriesBackgroundAlpha; |
| 29 | if(highlightSeriesBackgroundColor !== undefined) opts.highlightSeriesBackgroundColor = highlightSeriesBackgroundColor; |
| 30 | |
| 31 | var data = []; |
| 32 | for (var j = 0; j < 10; j++) { |
| 33 | data.push([j, 0]); |
| 34 | } |
| 35 | |
| 36 | var graph = document.getElementById("graph"); |
| 37 | return new Dygraph(graph, data, opts); |
| 38 | } |
| 39 | |
| 40 | it('testDefaultHighlight', function(done) { |
| 41 | var graph = setupGraph(); |
| 42 | |
| 43 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [0,0,0,0]); |
| 44 | |
| 45 | graph.setSelection(0, 'y', true); |
| 46 | |
| 47 | // handle background color fade-in time |
| 48 | setTimeout(function() { |
| 49 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [255,255,255,127]); |
| 50 | done(); |
| 51 | }, 1000); |
| 52 | }); |
| 53 | |
| 54 | it('testNoHighlight', function(done) { |
| 55 | var graph = setupGraph(1); |
| 56 | |
| 57 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [0,0,0,0]); |
| 58 | |
| 59 | graph.setSelection(0, 'y', true); |
| 60 | |
| 61 | // handle background color fade-in time |
| 62 | setTimeout(function() { |
| 63 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [0,0,0,0]); |
| 64 | done(); |
| 65 | }, 1000); |
| 66 | }); |
| 67 | |
| 68 | it('testCustomHighlightColor', function(done) { |
| 69 | var graph = setupGraph(undefined, 'rgb(0,255,255)'); |
| 70 | |
| 71 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [0,0,0,0]); |
| 72 | |
| 73 | graph.setSelection(0, 'y', true); |
| 74 | |
| 75 | // handle background color fade-in time |
| 76 | setTimeout(function() { |
| 77 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [0,255,255,127]); |
| 78 | done(); |
| 79 | }, 1000); |
| 80 | }); |
| 81 | |
| 82 | it('testCustomHighlightAlpha', function(done) { |
| 83 | var graph = setupGraph(0.3); |
| 84 | |
| 85 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [0,0,0,0]); |
| 86 | |
| 87 | graph.setSelection(0, 'y', true); |
| 88 | |
| 89 | // handle background color fade-in time |
| 90 | setTimeout(function() { |
| 91 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [255,255,255,179]); |
| 92 | done(); |
| 93 | }, 1000); |
| 94 | }); |
| 95 | |
| 96 | it('testCustomHighlightColorAndAlpha', function(done) { |
| 97 | var graph = setupGraph(0.7,'rgb(255,0,0)'); |
| 98 | |
| 99 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [0,0,0,0]); |
| 100 | |
| 101 | graph.setSelection(0, 'y', true); |
| 102 | |
| 103 | // handle background color fade-in time |
| 104 | setTimeout(function() { |
| 105 | assert.deepEqual(Util.samplePixel(graph.canvas_, 100, 100), [255,0,0,76]); |
| 106 | done(); |
| 107 | }, 1000); |
| 108 | }); |
| 109 | }); |