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718ad8e2 | 1 | // Copyright (c) 2011 Google, Inc. |
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2 | // |
3 | // Permission is hereby granted, free of charge, to any person obtaining a copy | |
4 | // of this software and associated documentation files (the "Software"), to deal | |
5 | // in the Software without restriction, including without limitation the rights | |
6 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
7 | // copies of the Software, and to permit persons to whom the Software is | |
8 | // furnished to do so, subject to the following conditions: | |
9 | // | |
10 | // The above copyright notice and this permission notice shall be included in | |
11 | // all copies or substantial portions of the Software. | |
12 | // | |
13 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
14 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
15 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
16 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
17 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
18 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
19 | // THE SOFTWARE. | |
20 | ||
21 | ||
22 | /** | |
23 | * @fileoverview Test valueRange and dateWindow changes. | |
24 | * | |
25 | * @author konigsberg@google.com (Robert Konigsberg) | |
26 | */ | |
27 | var ZERO_TO_FIFTY = [[ 10, 0 ] , [ 20, 50 ]]; | |
28 | var ZERO_TO_FIFTY_STEPS = function() { | |
29 | var a = []; | |
30 | var x = 10; | |
31 | var y = 0; | |
32 | var step = 0; | |
33 | for (step = 0; step <= 50; step++) { | |
34 | a.push([x + (step * .2), y + step]); | |
35 | } | |
36 | return a; | |
37 | } (); | |
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38 | var FIVE_TO_ONE_THOUSAND = [ |
39 | [ 1, 10 ], [ 2, 20 ], [ 3, 30 ], [ 4, 40 ] , [ 5, 50 ], | |
40 | [ 6, 60 ], [ 7, 70 ], [ 8, 80 ], [ 9, 90 ] , [ 10, 1000 ]]; | |
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41 | |
42 | var RangeTestCase = TestCase("range-tests"); | |
43 | ||
44 | RangeTestCase.prototype.setUp = function() { | |
45 | document.body.innerHTML = "<div id='graph'></div>"; | |
46 | }; | |
47 | ||
48 | RangeTestCase.prototype.createGraph = function(opts) { | |
49 | var graph = document.getElementById("graph"); | |
50 | var g = new Dygraph(graph, ZERO_TO_FIFTY_STEPS, opts); | |
51 | ||
52 | assertEquals([10, 20], g.xAxisRange()); | |
53 | assertEquals([0, 55], g.yAxisRange(0)); | |
54 | ||
55 | return g; | |
56 | }; | |
57 | ||
58 | /** | |
59 | * Test that changes to valueRange and dateWindow are reflected | |
60 | * appropriately. | |
61 | */ | |
62 | RangeTestCase.prototype.testRangeSetOperations = function() { | |
63 | var g = this.createGraph({valueRange : [ 0, 55 ]}); | |
64 | ||
65 | g.updateOptions({ dateWindow : [ 12, 18 ] }); | |
66 | assertEquals([12, 18], g.xAxisRange()); | |
67 | assertEquals([0, 55], g.yAxisRange(0)); | |
68 | ||
69 | g.updateOptions({ valueRange : [ 10, 40 ] }); | |
70 | assertEquals([12, 18], g.xAxisRange()); | |
71 | assertEquals([10, 40], g.yAxisRange(0)); | |
72 | ||
73 | g.updateOptions({ }); | |
74 | assertEquals([12, 18], g.xAxisRange()); | |
75 | assertEquals([10, 40], g.yAxisRange(0)); | |
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76 | |
77 | g.updateOptions({valueRange : null, axes: {y:{valueRange : [15, 20]}}}); | |
78 | assertEquals([12, 18], g.xAxisRange()); | |
79 | assertEquals([15, 20], g.yAxisRange(0)); | |
72a74f04 | 80 | |
4dd0ac55 | 81 | g.updateOptions({ dateWindow : null, valueRange : null, axes: null }); |
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82 | assertEquals([10, 20], g.xAxisRange()); |
83 | assertEquals([0, 55], g.yAxisRange(0)); | |
84 | }; | |
85 | ||
86 | /** | |
87 | * Verify that when zoomed in by mouse operations, an empty call to | |
88 | * updateOptions doesn't change the displayed ranges. | |
89 | */ | |
90 | RangeTestCase.prototype.zoom = function(g, xRange, yRange) { | |
91 | var originalXRange = g.xAxisRange(); | |
92 | var originalYRange = g.yAxisRange(0); | |
93 | ||
a12f271c | 94 | DygraphOps.dispatchMouseDown(g, xRange[0], yRange[0]); |
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95 | DygraphOps.dispatchMouseMove(g, xRange[1], yRange[0]); // this is really necessary. |
96 | DygraphOps.dispatchMouseUp(g, xRange[1], yRange[0]); | |
97 | ||
98 | assertEqualsDelta(xRange, g.xAxisRange(), 0.2); | |
99 | // assertEqualsDelta(originalYRange, g.yAxisRange(0), 0.2); // Not true, it's something in the middle. | |
100 | ||
101 | var midX = (xRange[1] - xRange[0]) / 2; | |
a12f271c | 102 | DygraphOps.dispatchMouseDown(g, midX, yRange[0]); |
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103 | DygraphOps.dispatchMouseMove(g, midX, yRange[1]); // this is really necessary. |
104 | DygraphOps.dispatchMouseUp(g, midX, yRange[1]); | |
105 | ||
106 | assertEqualsDelta(xRange, g.xAxisRange(), 0.2); | |
107 | assertEqualsDelta(yRange, g.yAxisRange(0), 0.2); | |
108 | } | |
109 | ||
110 | ||
111 | /** | |
112 | * Verify that when zoomed in by mouse operations, an empty call to | |
113 | * updateOptions doesn't change the displayed ranges. | |
114 | */ | |
115 | RangeTestCase.prototype.testEmptyUpdateOptions_doesntUnzoom = function() { | |
116 | var g = this.createGraph(); | |
117 | this.zoom(g, [ 11, 18 ], [ 35, 40 ]); | |
118 | ||
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119 | assertEqualsDelta([11, 18], g.xAxisRange(), 0.1); |
120 | assertEqualsDelta([35, 40], g.yAxisRange(0), 0.2); | |
121 | ||
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122 | g.updateOptions({}); |
123 | ||
124 | assertEqualsDelta([11, 18], g.xAxisRange(), 0.1); | |
d64b8fea | 125 | assertEqualsDelta([35, 40], g.yAxisRange(0), 0.2); |
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126 | } |
127 | ||
128 | /** | |
129 | * Verify that when zoomed in by mouse operations, a call to | |
130 | * updateOptions({ dateWindow : null, valueRange : null }) fully | |
131 | * unzooms. | |
132 | */ | |
133 | RangeTestCase.prototype.testRestoreOriginalRanges_viaUpdateOptions = function() { | |
134 | var g = this.createGraph(); | |
135 | this.zoom(g, [ 11, 18 ], [ 35, 40 ]); | |
136 | ||
137 | g.updateOptions({ dateWindow : null, valueRange : null }); | |
138 | ||
139 | assertEquals([0, 55], g.yAxisRange(0)); | |
140 | assertEquals([10, 20], g.xAxisRange()); | |
141 | } | |
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142 | |
143 | /** | |
144 | * Verify that log scale axis range is properly specified. | |
145 | */ | |
146 | RangeTestCase.prototype.testLogScaleExcludesZero = function() { | |
147 | var g = new Dygraph("graph", FIVE_TO_ONE_THOUSAND, { logscale : true }); | |
148 | assertEquals([10, 1099], g.yAxisRange(0)); | |
149 | ||
150 | g.updateOptions({ logscale : false }); | |
151 | assertEquals([0, 1099], g.yAxisRange(0)); | |
152 | } | |
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153 | |
154 | /** | |
155 | * Verify that includeZero range is properly specified. | |
156 | */ | |
157 | RangeTestCase.prototype.testIncludeZeroIncludesZero = function() { | |
158 | var g = new Dygraph("graph", [[0, 500], [500, 1000]], { includeZero : true }); | |
159 | assertEquals([0, 1100], g.yAxisRange(0)); | |
160 | ||
161 | g.updateOptions({ includeZero : false }); | |
162 | assertEquals([450, 1050], g.yAxisRange(0)); | |
163 | } | |
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164 | |
165 | /** | |
166 | * Verify that very large Y ranges don't break things. | |
167 | */ | |
168 | RangeTestCase.prototype.testHugeRange = function() { | |
169 | var g = new Dygraph("graph", [[0, -1e120], [1, 1e230]], { includeZero : true }); | |
170 | assertEqualsDelta(1, -1e229 / g.yAxisRange(0)[0], 0.001); | |
171 | assertEqualsDelta(1, 1.1e230 / g.yAxisRange(0)[1], 0.001); | |
172 | } |