| 1 | /** |
| 2 | * @fileoverview Tests relating to annotations |
| 3 | * |
| 4 | * @author danvk@google.com (Dan Vanderkam) |
| 5 | */ |
| 6 | var annotationsTestCase = TestCase("annotations"); |
| 7 | |
| 8 | annotationsTestCase.prototype.setUp = function() { |
| 9 | document.body.innerHTML = "<div id='graph'></div>"; |
| 10 | }; |
| 11 | |
| 12 | annotationsTestCase.prototype.tearDown = function() { |
| 13 | }; |
| 14 | |
| 15 | annotationsTestCase.prototype.testAnnotationsDrawn = function() { |
| 16 | var opts = { |
| 17 | width: 480, |
| 18 | height: 320 |
| 19 | }; |
| 20 | var data = "X,Y\n" + |
| 21 | "0,-1\n" + |
| 22 | "1,0\n" + |
| 23 | "2,1\n" + |
| 24 | "3,0\n" |
| 25 | ; |
| 26 | |
| 27 | var graph = document.getElementById("graph"); |
| 28 | var g = new Dygraph(graph, data, opts); |
| 29 | g.setAnnotations([ |
| 30 | { |
| 31 | series: 'Y', |
| 32 | x: 1, |
| 33 | shortText: 'A', |
| 34 | text: 'Long A', |
| 35 | cssClass: 'ann1' |
| 36 | }, |
| 37 | { |
| 38 | series: 'Y', |
| 39 | x: 2, |
| 40 | shortText: 'B', |
| 41 | text: 'Long B', |
| 42 | cssClass: 'ann2' |
| 43 | } |
| 44 | ]); |
| 45 | |
| 46 | assertEquals(2, g.annotations().length); |
| 47 | var a1 = document.getElementsByClassName('ann1'); |
| 48 | assertEquals(1, a1.length); |
| 49 | a1 = a1[0]; |
| 50 | assertEquals('A', a1.textContent); |
| 51 | |
| 52 | var a2 = document.getElementsByClassName('ann2'); |
| 53 | assertEquals(1, a2.length); |
| 54 | a2 = a2[0]; |
| 55 | assertEquals('B', a2.textContent); |
| 56 | }; |
| 57 | |
| 58 | // Some errors that should be flagged: |
| 59 | // 1. Invalid series name (e.g. 'X' or 'non-existent') |
| 60 | // 2. Passing a string as 'x' instead of a number (e.g. x: '1') |
| 61 | |
| 62 | annotationsTestCase.prototype.testAnnotationsDontDisappearOnResize = function() { |
| 63 | var opts = { |
| 64 | }; |
| 65 | var data = "X,Y\n" + |
| 66 | "0,-1\n" + |
| 67 | "1,0\n" + |
| 68 | "2,1\n" + |
| 69 | "3,0\n" |
| 70 | ; |
| 71 | |
| 72 | var graph = document.getElementById("graph"); |
| 73 | var g = new Dygraph(graph, data, opts); |
| 74 | g.setAnnotations([ |
| 75 | { |
| 76 | series: 'Y', |
| 77 | x: 1, |
| 78 | shortText: 'A', |
| 79 | text: 'Long A', |
| 80 | cssClass: 'ann1' |
| 81 | } |
| 82 | ]); |
| 83 | |
| 84 | // Check that it displays at all |
| 85 | assertEquals(1, g.annotations().length); |
| 86 | var a1 = document.getElementsByClassName('ann1'); |
| 87 | assertEquals(1, a1.length); |
| 88 | a1 = a1[0]; |
| 89 | assertEquals('A', a1.textContent); |
| 90 | |
| 91 | // ... and that resizing doesn't kill it. |
| 92 | g.resize(400, 300); |
| 93 | assertEquals(1, g.annotations().length); |
| 94 | var a1 = document.getElementsByClassName('ann1'); |
| 95 | assertEquals(1, a1.length); |
| 96 | a1 = a1[0]; |
| 97 | assertEquals('A', a1.textContent); |
| 98 | }; |