+ assert.equal("70px", fgcanvas.style.top, "Range selector is not at the expected position.");
+});
+
+it('testMiniPlotDrawn', function() {
+ // Install Proxy to track canvas calls.
+ var origFunc = Dygraph.getContext;
+ var miniHtx;
+ Dygraph.getContext = function(canvas) {
+ console.log(canvas.className);
+ if (canvas.className != 'dygraph-rangesel-bgcanvas') {
+ return origFunc(canvas);
+ }
+ miniHtx = new Proxy(origFunc(canvas));
+ return miniHtx;
+ };
+
+ var opts = {
+ width: 480,
+ height: 100,
+ xAxisHeight: 30,
+ axes : { x : { drawAxis: false }},
+ showRangeSelector: true,
+ rangeSelectorHeight: 30,
+ rangeSelectorPlotStrokeColor: '#ff0000',
+ labels: ['X', 'Y']
+ };
+ var data = [
+ [0, 1],
+ [5, 4],
+ [10, 8]
+ ];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ // TODO(danvk): more precise tests.
+ assert.isNotNull(miniHtx);
+ assert.isTrue(0 < CanvasAssertions.numLinesDrawn(miniHtx, '#ff0000'));
+
+ Dygraph.getContext = origFunc;
+});
+
+// Tests data computation for the mini plot with a single series.
+it('testSingleCombinedSeries', function() {
+ var opts = {
+ showRangeSelector: true,
+ labels: ['X', 'Y1']
+ };
+ var data = [
+ [0, 1],
+ [5, 4],
+ [10, 8]
+ ];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector);
+ assert.isNotNull(rangeSelector);
+
+ var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_();
+ assert.deepEqual({
+ yMin: 1 - 7 * 0.25, // 25% padding
+ yMax: 8 + 7 * 0.25,
+ data: [
+ [0, 1],
+ [5, 4],
+ [10, 8]
+ ]
+ }, combinedSeries);
+});
+
+
+// Tests that multiple series are averaged for the miniplot.
+it('testCombinedSeries', function() {
+ var opts = {
+ showRangeSelector: true,
+ labels: ['X', 'Y1', 'Y2']
+ };
+ var data = [
+ [0, 1, 3], // average = 2
+ [5, 4, 6], // average = 5
+ [10, 7, 9] // average = 8
+ ];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector);
+ assert.isNotNull(rangeSelector);
+
+ var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_();
+ assert.deepEqual({
+ yMin: 2 - 6 * 0.25, // 25% padding on combined series range.
+ yMax: 8 + 6 * 0.25,
+ data: [
+ [0, 2],
+ [5, 5],
+ [10, 8]
+ ]
+ }, combinedSeries);
+});
+
+// Tests selection of a specific series to average for the mini plot.
+it('testSelectedCombinedSeries', function() {
+ var opts = {
+ showRangeSelector: true,
+ labels: ['X', 'Y1', 'Y2', 'Y3', 'Y4'],
+ series: {
+ 'Y1': { showInRangeSelector: true },
+ 'Y3': { showInRangeSelector: true }
+ }
+ };
+ var data = [
+ [0, 5, 8, 13, 21], // average (first and third) = 9
+ [5, 1, 3, 7, 14], // average (first and third) = 4
+ [10, 0, 19, 10, 6] // average (first and third) = 5
+ ];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector);
+ assert.isNotNull(rangeSelector);
+
+ var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_();
+ assert.deepEqual({
+ yMin: 4 - 5 * 0.25, // 25% padding on combined series range.
+ yMax: 9 + 5 * 0.25,
+ data: [
+ [0, 9],
+ [5, 4],
+ [10, 5]
+ ]
+ }, combinedSeries);
+});
+
+// Tests data computation for the mini plot with a single error bar series.
+it('testSingleCombinedSeriesCustomBars', function() {
+ var opts = {
+ customBars: true,
+ showRangeSelector: true,
+ labels: ['X', 'Y1']
+ };
+ var data = [
+ [0, [0, 1, 2]], // [low, value, high]
+ [5, [1, 4, 5]],
+ [10, [7, 8, 9]]
+ ];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector);
+ assert.isNotNull(rangeSelector);
+
+ var combinedSeries = rangeSelector.computeCombinedSeriesAndLimits_();
+ assert.deepEqual({
+ yMin: 1 - 7 * 0.25, // 25% padding
+ yMax: 8 + 7 * 0.25,
+ data: [
+ [0, 1],
+ [5, 4],
+ [10, 8]
+ ]
+ }, combinedSeries);
+});
+
+it('testSingleCombinedSeriesErrorBars', function() {
+ var opts = {
+ errorBars: true,
+ showRangeSelector: true,
+ labels: ['X', 'Y1']
+ };
+ var data = [
+ [0, [1, 1]], // [value, standard deviation]
+ [5, [4, 2]],
+ [10, [8, 1]]
+ ];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+
+ var rangeSelector = g.getPluginInstance_(Dygraph.Plugins.RangeSelector);
+ assert.isNotNull(rangeSelector);