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9c831431 RK |
1 | /** |
2 | * @fileoverview Test cases for the interaction model. | |
3 | * | |
4 | * @author konigsberg@google.com (Robert Konigsbrg) | |
5 | */ | |
6 | var InteractionModelTestCase = TestCase("interaction-model"); | |
7 | ||
8 | InteractionModelTestCase.prototype.setUp = function() { | |
9 | document.body.innerHTML = "<div id='graph'></div>"; | |
10 | }; | |
11 | ||
12 | InteractionModelTestCase.prototype.tearDown = function() { | |
13 | }; | |
14 | ||
15 | function getXLabels() { | |
16 | var x_labels = document.getElementsByClassName("dygraph-axis-label-x"); | |
17 | var ary = []; | |
18 | for (var i = 0; i < x_labels.length; i++) { | |
19 | ary.push(x_labels[i].innerHTML); | |
20 | } | |
21 | return ary; | |
22 | } | |
23 | ||
24 | InteractionModelTestCase.prototype.pan = function(g, xRange, yRange) { | |
25 | var originalXRange = g.xAxisRange(); | |
26 | var originalYRange = g.yAxisRange(0); | |
27 | ||
28 | DygraphOps.dispatchMouseDown(g, xRange[0], yRange[0]); | |
29 | DygraphOps.dispatchMouseMove(g, xRange[1], yRange[0]); // this is really necessary. | |
30 | DygraphOps.dispatchMouseUp(g, xRange[1], yRange[0]); | |
31 | ||
32 | assertEqualsDelta(xRange, g.xAxisRange(), 0.2); | |
33 | // assertEqualsDelta(originalYRange, g.yAxisRange(0), 0.2); // Not true, it's something in the middle. | |
34 | ||
35 | var midX = (xRange[1] - xRange[0]) / 2; | |
36 | DygraphOps.dispatchMouseDown(g, midX, yRange[0]); | |
37 | DygraphOps.dispatchMouseMove(g, midX, yRange[1]); // this is really necessary. | |
38 | DygraphOps.dispatchMouseUp(g, midX, yRange[1]); | |
39 | ||
40 | assertEqualsDelta(xRange, g.xAxisRange(), 0.2); | |
41 | assertEqualsDelta(yRange, g.yAxisRange(0), 0.2); | |
42 | } | |
43 | ||
44 | /** | |
45 | * This tests that when changing the interaction model so pan is used instead | |
46 | * of zoom as the default behavior, a standard click method is still called. | |
47 | */ | |
48 | InteractionModelTestCase.prototype.testClickCallbackIsCalled = function() { | |
49 | var clicked; | |
50 | ||
51 | var clickCallback = function(event, x) { | |
52 | clicked = x; | |
53 | }; | |
54 | ||
55 | var data = "X,Y\n" + | |
56 | "20,-1\n" + | |
57 | "21,0\n" + | |
58 | "22,1\n" + | |
59 | "23,0\n" | |
60 | ; | |
61 | ||
62 | var graph = document.getElementById("graph"); | |
63 | var g = new Dygraph(graph, data, | |
64 | { | |
65 | width: 100, | |
66 | height : 100, | |
67 | clickCallback : clickCallback | |
68 | }); | |
69 | ||
70 | DygraphOps.dispatchMouseDown_Point(g, 10, 10); | |
71 | DygraphOps.dispatchMouseMove_Point(g, 10, 10); | |
72 | DygraphOps.dispatchMouseUp_Point(g, 10, 10); | |
73 | ||
74 | assertEquals(20, clicked); | |
75 | }; | |
76 | ||
77 | /** | |
78 | * This tests that when changing the interaction model so pan is used instead | |
79 | * of zoom as the default behavior, a standard click method is still called. | |
80 | */ | |
81 | InteractionModelTestCase.prototype.testClickCallbackIsCalledOnCustomPan = function() { | |
82 | var clicked; | |
83 | ||
84 | var clickCallback = function(event, x) { | |
85 | clicked = x; | |
86 | }; | |
87 | ||
88 | var data = "X,Y\n" + | |
89 | "20,-1\n" + | |
90 | "21,0\n" + | |
91 | "22,1\n" + | |
92 | "23,0\n" | |
93 | ; | |
94 | ||
95 | function customDown(event, g, context) { | |
96 | context.initializeMouseDown(event, g, context); | |
97 | Dygraph.startPan(event, g, context); | |
98 | } | |
99 | ||
100 | function customMove(event, g, context) { | |
101 | Dygraph.movePan(event, g, context); | |
102 | } | |
103 | ||
104 | function customUp(event, g, context) { | |
105 | Dygraph.endPan(event, g, context); | |
106 | } | |
107 | ||
108 | var opts = { | |
109 | width: 100, | |
110 | height : 100, | |
111 | clickCallback : clickCallback, | |
112 | interactionModel : { | |
113 | 'mousedown' : customDown, | |
114 | 'mousemove' : customMove, | |
115 | 'mouseup' : customUp, | |
116 | } | |
117 | }; | |
118 | ||
119 | var graph = document.getElementById("graph"); | |
120 | var g = new Dygraph(graph, data, opts); | |
121 | ||
122 | DygraphOps.dispatchMouseDown_Point(g, 10, 10); | |
123 | DygraphOps.dispatchMouseMove_Point(g, 10, 10); | |
124 | DygraphOps.dispatchMouseUp_Point(g, 10, 10); | |
125 | ||
fc4e84fa | 126 | assertEquals(20, clicked); |
9c831431 RK |
127 | }; |
128 |