| 1 | // Copyright (c) 2011 Google, Inc. |
| 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 | } (); |
| 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 ]]; |
| 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)); |
| 76 | |
| 77 | g.updateOptions({valueRange : null, axes: {y:{valueRange : [15, 20]}}}); |
| 78 | assertEquals([12, 18], g.xAxisRange()); |
| 79 | assertEquals([15, 20], g.yAxisRange(0)); |
| 80 | |
| 81 | g.updateOptions({ dateWindow : null, valueRange : null, axes: null }); |
| 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 | |
| 94 | DygraphOps.dispatchMouseDown(g, xRange[0], yRange[0]); |
| 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; |
| 102 | DygraphOps.dispatchMouseDown(g, midX, yRange[0]); |
| 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 | |
| 119 | assertEqualsDelta([11, 18], g.xAxisRange(), 0.1); |
| 120 | assertEqualsDelta([35, 40], g.yAxisRange(0), 0.2); |
| 121 | |
| 122 | g.updateOptions({}); |
| 123 | |
| 124 | assertEqualsDelta([11, 18], g.xAxisRange(), 0.1); |
| 125 | assertEqualsDelta([35, 40], g.yAxisRange(0), 0.2); |
| 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 | } |
| 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 | } |
| 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 | } |
| 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 | } |