+// Copyright (c) 2011 Google, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+/**
+ * @fileoverview Test valueRange and dateWindow changes.
+ *
+ * @author konigsberg@google.com (Robert Konigsberg)
+ */
+var ZERO_TO_FIFTY = [[ 10, 0 ] , [ 20, 50 ]];
+var ZERO_TO_FIFTY_STEPS = function() {
+ var a = [];
+ var x = 10;
+ var y = 0;
+ var step = 0;
+ for (step = 0; step <= 50; step++) {
+ a.push([x + (step * .2), y + step]);
+ }
+ return a;
+} ();
+
+var RangeTestCase = TestCase("range-tests");
+
+RangeTestCase.prototype.setUp = function() {
+ document.body.innerHTML = "<div id='graph'></div>";
+};
+
+RangeTestCase.prototype.createGraph = function(opts) {
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, ZERO_TO_FIFTY_STEPS, opts);
+
+ assertEquals([10, 20], g.xAxisRange());
+ assertEquals([0, 55], g.yAxisRange(0));
+
+ return g;
+};
+
+/**
+ * Test that changes to valueRange and dateWindow are reflected
+ * appropriately.
+ */
+RangeTestCase.prototype.testRangeSetOperations = function() {
+ var g = this.createGraph({valueRange : [ 0, 55 ]});
+
+ g.updateOptions({ dateWindow : [ 12, 18 ] });
+ assertEquals([12, 18], g.xAxisRange());
+ assertEquals([0, 55], g.yAxisRange(0));
+
+ g.updateOptions({ valueRange : [ 10, 40 ] });
+ assertEquals([12, 18], g.xAxisRange());
+ assertEquals([10, 40], g.yAxisRange(0));
+
+ g.updateOptions({ });
+ assertEquals([12, 18], g.xAxisRange());
+ assertEquals([10, 40], g.yAxisRange(0));
+
+ g.updateOptions({ dateWindow : null, valueRange : null });
+ assertEquals([10, 20], g.xAxisRange());
+ assertEquals([0, 55], g.yAxisRange(0));
+};
+
+/**
+ * Verify that when zoomed in by mouse operations, an empty call to
+ * updateOptions doesn't change the displayed ranges.
+ */
+RangeTestCase.prototype.zoom = function(g, xRange, yRange) {
+ var originalXRange = g.xAxisRange();
+ var originalYRange = g.yAxisRange(0);
+
+ // Editing e.shiftKey post construction doesn't work for Firefox. Damn.
+ DygraphOps.dispatchMouseDown(g, xRange[0], yRange[0], function(e) { e.shiftKey = true; });
+ DygraphOps.dispatchMouseMove(g, xRange[1], yRange[0]); // this is really necessary.
+ DygraphOps.dispatchMouseUp(g, xRange[1], yRange[0]);
+
+ assertEqualsDelta(xRange, g.xAxisRange(), 0.2);
+ // assertEqualsDelta(originalYRange, g.yAxisRange(0), 0.2); // Not true, it's something in the middle.
+
+ var midX = (xRange[1] - xRange[0]) / 2;
+ DygraphOps.dispatchMouseDown(g, midX, yRange[0], function(e) { e.shiftKey = true; });
+ DygraphOps.dispatchMouseMove(g, midX, yRange[1]); // this is really necessary.
+ DygraphOps.dispatchMouseUp(g, midX, yRange[1]);
+
+ assertEqualsDelta(xRange, g.xAxisRange(), 0.2);
+ assertEqualsDelta(yRange, g.yAxisRange(0), 0.2);
+}
+
+
+/**
+ * Verify that when zoomed in by mouse operations, an empty call to
+ * updateOptions doesn't change the displayed ranges.
+ */
+RangeTestCase.prototype.testEmptyUpdateOptions_doesntUnzoom = function() {
+ var g = this.createGraph();
+ this.zoom(g, [ 11, 18 ], [ 35, 40 ]);
+
+ g.updateOptions({});
+
+ assertEqualsDelta([11, 18], g.xAxisRange(), 0.1);
+ assertEqualsDelta([35, 40], g.yAxisRange(0), 0.2);
+}
+
+/**
+ * Verify that when zoomed in by mouse operations, a call to
+ * updateOptions({ dateWindow : null, valueRange : null }) fully
+ * unzooms.
+ */
+RangeTestCase.prototype.testRestoreOriginalRanges_viaUpdateOptions = function() {
+ var g = this.createGraph();
+ this.zoom(g, [ 11, 18 ], [ 35, 40 ]);
+
+ g.updateOptions({ dateWindow : null, valueRange : null });
+
+ assertEquals([0, 55], g.yAxisRange(0));
+ assertEquals([10, 20], g.xAxisRange());
+}
projects / dygraphs.git / commitdiff