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1 | /** |
2 | * @fileoverview Tests for data access methods. | |
3 | * | |
4 | * @author danvdk@gmail.com (Dan Vanderkam) | |
5 | */ | |
6 | var dataApiTestCase = TestCase("data-api"); | |
7 | ||
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8 | var opts, graphDiv; |
9 | ||
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10 | dataApiTestCase.prototype.setUp = function() { |
11 | document.body.innerHTML = "<div id='graph'></div>"; | |
319d0361 | 12 | opts = { |
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13 | width: 480, |
14 | height: 320 | |
15 | }; | |
16 | ||
319d0361 | 17 | graphDiv = document.getElementById("graph"); |
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18 | }; |
19 | ||
20 | dataApiTestCase.prototype.tearDown = function() { | |
21 | }; | |
22 | ||
23 | dataApiTestCase.prototype.testBasicAccessors = function() { | |
319d0361 | 24 | var g = new Dygraph(graphDiv, temperature_data, opts); |
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25 | |
26 | assertEquals(365, g.numRows()); | |
27 | assertEquals(3, g.numColumns()); | |
28 | ||
29 | // 2007-01-01,62,39 | |
30 | assertEquals(62, g.getValue(0, 1)); | |
31 | assertEquals(39, g.getValue(0, 2)); | |
32 | ||
33 | // 2007-12-31,57,42 | |
34 | assertEquals(57, g.getValue(364, 1)); | |
35 | assertEquals(42, g.getValue(364, 2)); | |
36 | }; | |
37 | ||
38 | ||
39 | dataApiTestCase.prototype.testAccessorsCustomBars = function() { | |
319d0361 | 40 | var g = new Dygraph(graphDiv, data_temp_high_low, { |
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41 | customBars: true |
42 | }); | |
43 | ||
44 | assertEquals(1070, g.numRows()); | |
45 | assertEquals(3, g.numColumns()); | |
46 | ||
47 | // 2007-01-01,46;51;56,43;45;48 | |
48 | assertEquals([46, 51, 56], g.getValue(0, 1)); | |
49 | assertEquals([43, 45, 48], g.getValue(0, 2)); | |
50 | ||
51 | // 2009-12-05,37;42;47 (i.e. missing second column) | |
52 | assertEquals([37, 42, 47], g.getValue(1069, 1)); | |
53 | assertEquals([null, null, null], g.getValue(1069, 2)); | |
54 | }; | |
55 | ||
56 | ||
57 | // Regression test for #554. | |
58 | dataApiTestCase.prototype.testGetRowForX = function() { | |
319d0361 | 59 | var g = new Dygraph(graphDiv, [ |
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60 | "x,y", |
61 | "1,2", | |
62 | "3,4", | |
63 | "5,6", | |
64 | "7,8", | |
65 | "9,10" | |
319d0361 | 66 | ].join('\n'), opts); |
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67 | |
68 | assertEquals(null, g.getRowForX(0)); | |
69 | assertEquals(0, g.getRowForX(1)); | |
70 | assertEquals(null, g.getRowForX(2)); | |
71 | assertEquals(1, g.getRowForX(3)); | |
72 | assertEquals(null, g.getRowForX(4)); | |
73 | assertEquals(2, g.getRowForX(5)); | |
74 | assertEquals(null, g.getRowForX(6)); | |
75 | assertEquals(3, g.getRowForX(7)); | |
76 | assertEquals(null, g.getRowForX(8)); | |
77 | assertEquals(4, g.getRowForX(9)); | |
78 | assertEquals(null, g.getRowForX(10)); | |
79 | }; | |
80 | ||
81 | // If there are rows with identical x-values, getRowForX promises that it will | |
82 | // return the first one. | |
83 | dataApiTestCase.prototype.testGetRowForXDuplicates = function() { | |
319d0361 | 84 | var g = new Dygraph(graphDiv, [ |
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85 | "x,y", |
86 | "1,2", // 0 | |
87 | "1,4", // 1 | |
88 | "1,6", // 2 | |
89 | "1,8", // 3 | |
90 | "1,6", // 4 | |
91 | "9,2", // 5 | |
92 | "9,4", | |
93 | "9,6", | |
94 | "9,8", | |
95 | "9,10" | |
319d0361 | 96 | ].join('\n'), opts); |
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97 | |
98 | assertEquals(0, g.getRowForX(1)); | |
99 | assertEquals(null, g.getRowForX(2)); | |
100 | assertEquals(5, g.getRowForX(9)); | |
101 | }; |