| 1 | /** |
| 2 | * @fileoverview Tests for data access methods. |
| 3 | * |
| 4 | * @author danvdk@gmail.com (Dan Vanderkam) |
| 5 | */ |
| 6 | var dataApiTestCase = TestCase("data-api"); |
| 7 | |
| 8 | dataApiTestCase.prototype.setUp = function() { |
| 9 | document.body.innerHTML = "<div id='graph'></div>"; |
| 10 | this.opts = { |
| 11 | width: 480, |
| 12 | height: 320 |
| 13 | }; |
| 14 | |
| 15 | this.graphDiv = document.getElementById("graph"); |
| 16 | }; |
| 17 | |
| 18 | dataApiTestCase.prototype.tearDown = function() { |
| 19 | }; |
| 20 | |
| 21 | dataApiTestCase.prototype.testBasicAccessors = function() { |
| 22 | var g = new Dygraph(this.graphDiv, temperature_data, this.opts); |
| 23 | |
| 24 | assertEquals(365, g.numRows()); |
| 25 | assertEquals(3, g.numColumns()); |
| 26 | |
| 27 | // 2007-01-01,62,39 |
| 28 | assertEquals(62, g.getValue(0, 1)); |
| 29 | assertEquals(39, g.getValue(0, 2)); |
| 30 | |
| 31 | // 2007-12-31,57,42 |
| 32 | assertEquals(57, g.getValue(364, 1)); |
| 33 | assertEquals(42, g.getValue(364, 2)); |
| 34 | }; |
| 35 | |
| 36 | |
| 37 | dataApiTestCase.prototype.testAccessorsCustomBars = function() { |
| 38 | var g = new Dygraph(this.graphDiv, data_temp_high_low, { |
| 39 | customBars: true |
| 40 | }); |
| 41 | |
| 42 | assertEquals(1070, g.numRows()); |
| 43 | assertEquals(3, g.numColumns()); |
| 44 | |
| 45 | // 2007-01-01,46;51;56,43;45;48 |
| 46 | assertEquals([46, 51, 56], g.getValue(0, 1)); |
| 47 | assertEquals([43, 45, 48], g.getValue(0, 2)); |
| 48 | |
| 49 | // 2009-12-05,37;42;47 (i.e. missing second column) |
| 50 | assertEquals([37, 42, 47], g.getValue(1069, 1)); |
| 51 | assertEquals([null, null, null], g.getValue(1069, 2)); |
| 52 | }; |
| 53 | |
| 54 | |
| 55 | // Regression test for #554. |
| 56 | dataApiTestCase.prototype.testGetRowForX = function() { |
| 57 | var g = new Dygraph(this.graphDiv, [ |
| 58 | "x,y", |
| 59 | "1,2", |
| 60 | "3,4", |
| 61 | "5,6", |
| 62 | "7,8", |
| 63 | "9,10" |
| 64 | ].join('\n'), this.opts); |
| 65 | |
| 66 | assertEquals(null, g.getRowForX(0)); |
| 67 | assertEquals(0, g.getRowForX(1)); |
| 68 | assertEquals(null, g.getRowForX(2)); |
| 69 | assertEquals(1, g.getRowForX(3)); |
| 70 | assertEquals(null, g.getRowForX(4)); |
| 71 | assertEquals(2, g.getRowForX(5)); |
| 72 | assertEquals(null, g.getRowForX(6)); |
| 73 | assertEquals(3, g.getRowForX(7)); |
| 74 | assertEquals(null, g.getRowForX(8)); |
| 75 | assertEquals(4, g.getRowForX(9)); |
| 76 | assertEquals(null, g.getRowForX(10)); |
| 77 | }; |
| 78 | |
| 79 | // If there are rows with identical x-values, getRowForX promises that it will |
| 80 | // return the first one. |
| 81 | dataApiTestCase.prototype.testGetRowForXDuplicates = function() { |
| 82 | var g = new Dygraph(this.graphDiv, [ |
| 83 | "x,y", |
| 84 | "1,2", // 0 |
| 85 | "1,4", // 1 |
| 86 | "1,6", // 2 |
| 87 | "1,8", // 3 |
| 88 | "1,6", // 4 |
| 89 | "9,2", // 5 |
| 90 | "9,4", |
| 91 | "9,6", |
| 92 | "9,8", |
| 93 | "9,10" |
| 94 | ].join('\n'), this.opts); |
| 95 | |
| 96 | assertEquals(0, g.getRowForX(1)); |
| 97 | assertEquals(null, g.getRowForX(2)); |
| 98 | assertEquals(5, g.getRowForX(9)); |
| 99 | }; |