| 1 | /** |
| 2 | * @fileoverview Tests for data formats. |
| 3 | * |
| 4 | * @author konigsberg@google.com (Robert Konigsberg) |
| 5 | */ |
| 6 | describe("formats", function() { |
| 7 | |
| 8 | beforeEach(function() { |
| 9 | document.body.innerHTML = "<div id='graph'></div>"; |
| 10 | }); |
| 11 | |
| 12 | afterEach(function() { |
| 13 | }); |
| 14 | |
| 15 | var dataString = |
| 16 | "X,Y\n" + |
| 17 | "0,-1\n" + |
| 18 | "1,0\n" + |
| 19 | "2,1\n" + |
| 20 | "3,0\n"; |
| 21 | |
| 22 | var dataArray = |
| 23 | [[0,-1], |
| 24 | [1,0], |
| 25 | [2,1], |
| 26 | [3,0]]; |
| 27 | var BASE_OPTS = {labels: ['X', 'Y']}; |
| 28 | |
| 29 | it('testCsv', function() { |
| 30 | var data = dataString; |
| 31 | var graph = document.getElementById("graph"); |
| 32 | var g = new Dygraph(graph, data, {}); |
| 33 | assertData(g); |
| 34 | }); |
| 35 | |
| 36 | it('testArray', function() { |
| 37 | var data = dataArray; |
| 38 | var graph = document.getElementById("graph"); |
| 39 | var g = new Dygraph(graph, data, BASE_OPTS); |
| 40 | assertData(g); |
| 41 | }); |
| 42 | |
| 43 | it('testFunctionReturnsCsv', function() { |
| 44 | var data = function() { return dataString; }; |
| 45 | |
| 46 | var graph = document.getElementById("graph"); |
| 47 | var g = new Dygraph(graph, data, {}); |
| 48 | assertData(g); |
| 49 | }); |
| 50 | |
| 51 | it('testFunctionDefinesArray', function() { |
| 52 | var array = dataArray; |
| 53 | var data = function() { return array; } |
| 54 | |
| 55 | var graph = document.getElementById("graph"); |
| 56 | var g = new Dygraph(graph, data, BASE_OPTS); |
| 57 | assertData(g); |
| 58 | }); |
| 59 | |
| 60 | it('testXValueParser', function() { |
| 61 | var data = |
| 62 | "X,Y\n" + |
| 63 | "d,-1\n" + |
| 64 | "e,0\n" + |
| 65 | "f,1\n" + |
| 66 | "g,0\n"; |
| 67 | |
| 68 | var graph = document.getElementById("graph"); |
| 69 | var g = new Dygraph(graph, data, { |
| 70 | xValueParser : function(str) { |
| 71 | assert.equal(1, str.length); |
| 72 | return str.charCodeAt(0) - "a".charCodeAt(0); |
| 73 | } |
| 74 | }); |
| 75 | |
| 76 | assert.equal(3, g.getValue(0, 0)); |
| 77 | assert.equal(4, g.getValue(1, 0)); |
| 78 | assert.equal(5, g.getValue(2, 0)); |
| 79 | assert.equal(6, g.getValue(3, 0)); |
| 80 | }); |
| 81 | |
| 82 | var assertData = function(g) { |
| 83 | var expected = dataArray; |
| 84 | |
| 85 | assert.equal(4, g.numRows()); |
| 86 | assert.equal(2, g.numColumns()); |
| 87 | |
| 88 | for (var i = 0; i < 4; i++) { |
| 89 | for (var j = 0; j < 2; j++) { |
| 90 | assert.equal(expected[i][j], g.getValue(i, j)); |
| 91 | } |
| 92 | } |
| 93 | }; |
| 94 | |
| 95 | }); |