-/**
+/**
* @fileoverview Test cases for the callbacks.
*
* @author uemit.seren@gmail.com (Ümit Seren)
var CallbackTestCase = TestCase("callback");
CallbackTestCase.prototype.setUp = function() {
- document.body.innerHTML = "<div id='graph'></div>";
+ document.body.innerHTML = "<div id='graph'></div><div id='selection'></div>";
+ this.styleSheet = document.createElement("style");
+ this.styleSheet.type = "text/css";
+ document.getElementsByTagName("head")[0].appendChild(this.styleSheet);
};
CallbackTestCase.prototype.tearDown = function() {
};
-
+
var data = "X,a\,b,c\n" +
- "10,-1,1,2\n" +
- "11,0,3,1\n" +
- "12,1,4,2\n" +
- "13,0,2,3\n";
-
-
+ "10,-1,1,2\n" +
+ "11,0,3,1\n" +
+ "12,1,4,2\n" +
+ "13,0,2,3\n";
+
+
/**
* This tests that when the function idxToRow_ returns the proper row and the onHiglightCallback
- * is properly called when the first series is hidden (setVisibility = false)
- *
+ * is properly called when the first series is hidden (setVisibility = false)
+ *
*/
CallbackTestCase.prototype.testHighlightCallbackIsCalled = function() {
var h_row;
var h_pts;
- var highlightCallback = function(e, x, pts, row) {
+ var highlightCallback = function(e, x, pts, row) {
h_row = row;
h_pts = pts;
- };
+ };
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data,
{
width: 100,
- height : 100,
+ height: 100,
visibility: [false, true, true],
- highlightCallback : highlightCallback,
+ highlightCallback: highlightCallback
});
DygraphOps.dispatchMouseMove(g, 13, 10);
var callback = function() {
called = true;
- };
+ };
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data, {
var callback = function() {
called = true;
- };
+ };
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data, {
var callback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam) {
pointSize = pointSizeParam;
count++;
- };
+ };
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data, {
};
/**
+ * Test that drawPointCallback is called for isolated points when
+ * drawPoints is false, and also for gap points if that's enabled.
+ */
+CallbackTestCase.prototype.testDrawPointCallback_isolated = function() {
+ var xvalues = [];
+
+ var g;
+ var callback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam) {
+ var dx = g.toDataXCoord(cx);
+ xvalues.push(dx);
+ Dygraph.Circles.DEFAULT.apply(this, arguments);
+ };
+
+ var graph = document.getElementById("graph");
+ var testdata = [[10, 2], [11, 3], [12, NaN], [13, 2], [14, NaN], [15, 3]];
+ var graphOpts = {
+ labels: ['X', 'Y'],
+ valueRange: [0, 4],
+ drawPoints : false,
+ drawPointCallback : callback,
+ pointSize : 8
+ };
+
+ // Test that isolated points get drawn
+ g = new Dygraph(graph, testdata, graphOpts);
+ assertEquals(2, xvalues.length);
+ assertEquals(13, xvalues[0]);
+ assertEquals(15, xvalues[1]);
+
+ // Test that isolated points + gap points get drawn when drawGapPoints is set.
+ // This should add one point at the right edge of the segment at x=11, but not
+ // at the graph edge at x=10.
+ xvalues = []; // Reset for new test
+ graphOpts.drawGapPoints = true;
+ g = new Dygraph(graph, testdata, graphOpts);
+ assertEquals(3, xvalues.length);
+ assertEquals(11, xvalues[0]);
+ assertEquals(13, xvalues[1]);
+ assertEquals(15, xvalues[2]);
+};
+
+/**
* This tests that when the function idxToRow_ returns the proper row and the onHiglightCallback
- * is properly called when the first series is hidden (setVisibility = false)
- *
+ * is properly called when the first series is hidden (setVisibility = false)
+ *
*/
CallbackTestCase.prototype.testDrawHighlightPointCallbackIsCalled = function() {
var called = false;
var drawHighlightPointCallback = function() {
called = true;
- };
+ };
var graph = document.getElementById("graph");
var g = new Dygraph(graph, data,
DygraphOps.dispatchMouseMove(g, 13, 10);
assertTrue(called);
};
+
+/**
+ * Test the closest-series highlighting methods for normal and stacked modes.
+ * Also pass in line widths for plain and highlighted lines for easier visual
+ * confirmation that the highlighted line is drawn on top of the others.
+ */
+var runClosestTest = function(isStacked, widthNormal, widthHighlighted) {
+ var h_row;
+ var h_pts;
+ var h_series;
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data,
+ {
+ width: 600,
+ height: 400,
+ visibility: [false, true, true],
+ stackedGraph: isStacked,
+ strokeWidth: widthNormal,
+ strokeBorderWidth: 2,
+ highlightCircleSize: widthNormal * 2,
+ highlightSeriesBackgroundAlpha: 0.3,
+
+ highlightSeriesOpts: {
+ strokeWidth: widthHighlighted,
+ highlightCircleSize: widthHighlighted * 2
+ }
+ });
+
+ var highlightCallback = function(e, x, pts, row, set) {
+ h_row = row;
+ h_pts = pts;
+ h_series = set;
+ document.getElementById('selection').innerHTML='row=' + row + ', set=' + set;
+ };
+
+ g.updateOptions({highlightCallback: highlightCallback}, true);
+
+ if (isStacked) {
+ DygraphOps.dispatchMouseMove(g, 11.45, 1.4);
+ assertEquals(1, h_row);
+ assertEquals('c', h_series);
+
+ //now move up in the same row
+ DygraphOps.dispatchMouseMove(g, 11.45, 1.5);
+ assertEquals(1, h_row);
+ assertEquals('b', h_series);
+
+ //and a bit to the right
+ DygraphOps.dispatchMouseMove(g, 11.55, 1.5);
+ assertEquals(2, h_row);
+ assertEquals('c', h_series);
+ } else {
+ DygraphOps.dispatchMouseMove(g, 11, 1.5);
+ assertEquals(1, h_row);
+ assertEquals('c', h_series);
+
+ //now move up in the same row
+ DygraphOps.dispatchMouseMove(g, 11, 2.5);
+ assertEquals(1, h_row);
+ assertEquals('b', h_series);
+ }
+
+ return g;
+};
+
+/**
+ * Test basic closest-point highlighting.
+ */
+CallbackTestCase.prototype.testClosestPointCallback = function() {
+ runClosestTest(false, 1, 3);
+}
+
+/**
+ * Test setSelection() with series name
+ */
+CallbackTestCase.prototype.testSetSelection = function() {
+ var g = runClosestTest(false, 1, 3);
+ assertEquals(1, g.attr_('strokeWidth', 'c'));
+ g.setSelection(false, 'c');
+ assertEquals(3, g.attr_('strokeWidth', 'c'));
+}
+
+/**
+ * Test closest-point highlighting for stacked graph
+ */
+CallbackTestCase.prototype.testClosestPointStackedCallback = function() {
+ runClosestTest(true, 1, 3);
+}
+
+/**
+ * Closest-point highlighting with legend CSS - border around active series.
+ */
+CallbackTestCase.prototype.testClosestPointCallbackCss1 = function() {
+ var css = "div.dygraph-legend > span { display: block; }\n" +
+ "div.dygraph-legend > span.highlight { border: 1px solid grey; }\n";
+ this.styleSheet.innerHTML = css;
+ runClosestTest(false, 2, 4);
+ this.styleSheet.innerHTML = '';
+}
+
+/**
+ * Closest-point highlighting with legend CSS - show only closest series.
+ */
+CallbackTestCase.prototype.testClosestPointCallbackCss2 = function() {
+ var css = "div.dygraph-legend > span { display: none; }\n" +
+ "div.dygraph-legend > span.highlight { display: inline; }\n";
+ this.styleSheet.innerHTML = css;
+ runClosestTest(false, 10, 15);
+ this.styleSheet.innerHTML = '';
+ // TODO(klausw): verify that the highlighted line is drawn on top?
+}
+
+/**
+ * This tests that closest point searches work for data containing NaNs.
+ *
+ * It's intended to catch a regression where a NaN Y value confuses the
+ * closest-point algorithm, treating it as closer as any previous point.
+ */
+CallbackTestCase.prototype.testNaNData = function() {
+ var dataNaN = [
+ [9, -1, NaN, NaN],
+ [10, -1, 1, 2],
+ [11, 0, 3, 1],
+ [12, 1, 4, NaN],
+ [13, 0, 2, 3],
+ [14, -1, 1, 4]];
+
+ var h_row;
+ var h_pts;
+
+ var highlightCallback = function(e, x, pts, row) {
+ h_row = row;
+ h_pts = pts;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, dataNaN,
+ {
+ width: 600,
+ height: 400,
+ labels: ['x', 'a', 'b', 'c'],
+ visibility: [false, true, true],
+ highlightCallback: highlightCallback
+ });
+
+ DygraphOps.dispatchMouseMove(g, 10.1, 0.9);
+ //check correct row is returned
+ assertEquals(1, h_row);
+
+ // Explicitly test closest point algorithms
+ var dom = g.toDomCoords(10.1, 0.9);
+ assertEquals(1, g.findClosestRow(dom[0]));
+
+ var res = g.findClosestPoint(dom[0], dom[1]);
+ assertEquals(1, res.row);
+ assertEquals('b', res.seriesName);
+
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assertEquals(1, res.row);
+ assertEquals('c', res.seriesName);
+};
+
+/**
+ * This tests that stacked point searches work for data containing NaNs.
+ */
+CallbackTestCase.prototype.testNaNDataStack = function() {
+ var dataNaN = [
+ [9, -1, NaN, NaN],
+ [10, -1, 1, 2],
+ [11, 0, 3, 1],
+ [12, 1, NaN, 2],
+ [13, 0, 2, 3],
+ [14, -1, 1, 4],
+ [15, 0, 2, NaN],
+ [16, 1, 1, 3],
+ [17, 1, NaN, 3],
+ [18, 0, 2, 5],
+ [19, 0, 1, 4]];
+
+ var h_row;
+ var h_pts;
+
+ var highlightCallback = function(e, x, pts, row) {
+ h_row = row;
+ h_pts = pts;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, dataNaN,
+ {
+ width: 600,
+ height: 400,
+ labels: ['x', 'a', 'b', 'c'],
+ visibility: [false, true, true],
+ stackedGraph: true,
+ highlightCallback: highlightCallback
+ });
+
+ DygraphOps.dispatchMouseMove(g, 10.1, 0.9);
+ //check correct row is returned
+ assertEquals(1, h_row);
+
+ // Explicitly test stacked point algorithm.
+ var dom = g.toDomCoords(10.1, 0.9);
+ var res = g.findStackedPoint(dom[0], dom[1]);
+ assertEquals(1, res.row);
+ assertEquals('c', res.seriesName);
+
+ // First gap, no data due to NaN contagion.
+ dom = g.toDomCoords(12.1, 0.9);
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assertEquals(3, res.row);
+ assertEquals(undefined, res.seriesName);
+
+ // Second gap, no data due to NaN contagion.
+ dom = g.toDomCoords(15.1, 0.9);
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assertEquals(6, res.row);
+ assertEquals(undefined, res.seriesName);
+
+ // Isolated points should work, finding series b in this case.
+ dom = g.toDomCoords(15.9, 3.1);
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assertEquals(7, res.row);
+ assertEquals('b', res.seriesName);
+};
+
+CallbackTestCase.prototype.testGapHighlight = function() {
+ var dataGap = [
+ [1, null, 3],
+ [2, 2, null],
+ [3, null, 5],
+ [4, 4, null],
+ [5, null, 7],
+ [6, NaN, null],
+ [8, 8, null],
+ [10, 10, null]];
+
+ var h_row;
+ var h_pts;
+
+ var highlightCallback = function(e, x, pts, row) {
+ h_row = row;
+ h_pts = pts;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, dataGap, {
+ width: 400,
+ height: 300,
+ //stackedGraph: true,
+ connectSeparatedPoints: true,
+ drawPoints: true,
+ labels: ['x', 'A', 'B'],
+ highlightCallback : highlightCallback
+ });
+
+ DygraphOps.dispatchMouseMove(g, 1.1, 10);
+ //point from series B
+ assertEquals(0, h_row);
+ assertEquals(1, h_pts.length);
+ assertEquals(3, h_pts[0].yval);
+ assertEquals('B', h_pts[0].name);
+
+ DygraphOps.dispatchMouseMove(g, 6.1, 10);
+ // A is NaN at x=6
+ assertEquals(1, h_pts.length);
+ assert(isNaN(h_pts[0].yval));
+ assertEquals('A', h_pts[0].name);
+
+ DygraphOps.dispatchMouseMove(g, 8.1, 10);
+ //point from series A
+ assertEquals(6, h_row);
+ assertEquals(1, h_pts.length);
+ assertEquals(8, h_pts[0].yval);
+ assertEquals('A', h_pts[0].name);
+};