--- /dev/null
+/**
+ * @fileoverview Tests involving multiple y-axes.
+ *
+ * @author danvdk@gmail.com (Dan Vanderkam)
+ */
+
+var MultipleAxesTestCase = TestCase("multiple-axes-tests");
+
+MultipleAxesTestCase.prototype.setUp = function() {
+ document.body.innerHTML = "<div id='graph'></div>";
+};
+
+function getYLabelsForAxis(axis_num) {
+ var y_labels = document.getElementsByClassName("dygraph-axis-label-y" + axis_num);
+ var ary = [];
+ for (var i = 0; i < y_labels.length; i++) {
+ ary.push(y_labels[i].innerHTML);
+ }
+ return ary;
+}
+
+function getLegend() {
+ var legend = document.getElementsByClassName("dygraph-legend")[0];
+ return legend.textContent;
+}
+
+// returns all text in tags w/ a given css class, sorted.
+function getClassTexts(css_class) {
+ var texts = [];
+ var els = document.getElementsByClassName(css_class);
+ for (var i = 0; i < els.length; i++) {
+ texts[i] = els[i].textContent;
+ }
+ texts.sort();
+ return texts;
+}
+
+MultipleAxesTestCase.getData = function() {
+ var data = [];
+ for (var i = 1; i <= 100; i++) {
+ var m = "01", d = i;
+ if (d > 31) { m = "02"; d -= 31; }
+ if (m == "02" && d > 28) { m = "03"; d -= 28; }
+ if (m == "03" && d > 31) { m = "04"; d -= 31; }
+ if (d < 10) d = "0" + d;
+ // two series, one with range 1-100, one with range 1-2M
+ data.push([new Date("2010/" + m + "/" + d),
+ i,
+ 100 - i,
+ 1e6 * (1 + i * (100 - i) / (50 * 50)),
+ 1e6 * (2 - i * (100 - i) / (50 * 50))]);
+ }
+ return data;
+};
+
+MultipleAxesTestCase.prototype.testBasicMultipleAxes = function() {
+ var data = MultipleAxesTestCase.getData();
+
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ],
+ width: 640,
+ height: 350,
+ series : {
+ 'Y3': {
+ axis: 'y2'
+ },
+ 'Y4': {
+ axis: 'y2'
+ }
+ },
+ axes : {
+ y2 : {
+ // set axis-related properties here
+ labelsKMB: true
+ }
+ }
+ }
+ );
+
+ assertEquals(["0", "10", "20", "30", "40", "50", "60", "70", "80", "90", "100"], getYLabelsForAxis("1"));
+ assertEquals(["900K", "1.01M", "1.12M", "1.23M", "1.34M", "1.45M", "1.55M", "1.66M", "1.77M", "1.88M", "1.99M"], getYLabelsForAxis("2"));
+};
+
+MultipleAxesTestCase.prototype.testTwoAxisVisibility = function() {
+ var data = [];
+ data.push([0,0,0]);
+ data.push([1,2,2000]);
+ data.push([2,4,1000]);
+
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ labels: [ 'X', 'bar', 'zot' ],
+ series : {
+ zot : {
+ axis : 'y2'
+ }
+ },
+ axes : {
+ y2: {
+ labelsKMB: true
+ }
+ }
+ }
+ );
+
+ assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0);
+ assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0);
+
+ g.setVisibility(0, false);
+
+ assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0);
+ assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0);
+
+ g.setVisibility(0, true);
+ g.setVisibility(1, false);
+
+ assertTrue(document.getElementsByClassName("dygraph-axis-label-y").length > 0);
+ assertTrue(document.getElementsByClassName("dygraph-axis-label-y2").length > 0);
+};
+
+// verifies that all four chart labels (title, x-, y-, y2-axis label) can be
+// used simultaneously.
+MultipleAxesTestCase.prototype.testMultiChartLabels = function() {
+ var data = MultipleAxesTestCase.getData();
+
+ var el = document.getElementById("graph");
+ el.style.border = '1px solid black';
+ el.style.marginLeft = '200px';
+ el.style.marginTop = '200px';
+
+ var g = new Dygraph(
+ el,
+ data,
+ {
+ labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ],
+ width: 640,
+ height: 350,
+ series : {
+ 'Y3': {
+ axis: 'y2'
+ },
+ 'Y4': {
+ axis: 'y2'
+ }
+ },
+ xlabel: 'x-axis',
+ ylabel: 'y-axis',
+ y2label: 'y2-axis',
+ title: 'Chart title'
+ }
+ );
+
+ assertEquals(["Chart title", "x-axis", "y-axis", "y2-axis"],
+ getClassTexts("dygraph-label"));
+ assertEquals(["Chart title"], getClassTexts("dygraph-title"));
+ assertEquals(["x-axis"], getClassTexts("dygraph-xlabel"));
+ assertEquals(["y-axis"], getClassTexts("dygraph-ylabel"));
+ assertEquals(["y2-axis"], getClassTexts("dygraph-y2label"));
+
+ // TODO(danvk): check relative positioning here: title on top, y left of y2.
+};
+
+// Check that a chart w/o a secondary y-axis will not get a y2label, even if one
+// is specified.
+MultipleAxesTestCase.prototype.testNoY2LabelWithoutSecondaryAxis = function() {
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ MultipleAxesTestCase.getData(),
+ {
+ labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ],
+ width: 640,
+ height: 350,
+ xlabel: 'x-axis',
+ ylabel: 'y-axis',
+ y2label: 'y2-axis',
+ title: 'Chart title'
+ }
+ );
+
+ assertEquals(["Chart title", "x-axis", "y-axis"],
+ getClassTexts("dygraph-label"));
+ assertEquals(["Chart title"], getClassTexts("dygraph-title"));
+ assertEquals(["x-axis"], getClassTexts("dygraph-xlabel"));
+ assertEquals(["y-axis"], getClassTexts("dygraph-ylabel"));
+ assertEquals([], getClassTexts("dygraph-y2label"));
+};
+
+MultipleAxesTestCase.prototype.testValueRangePerAxisOptions = function() {
+ var data = MultipleAxesTestCase.getData();
+
+ g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ],
+ series : {
+ 'Y3': {
+ axis: 'y2'
+ },
+ 'Y4': {
+ axis: 'y2'
+ }
+ },
+ axes: {
+ y: {
+ valueRange: [40, 70]
+ },
+ y2: {
+ // set axis-related properties here
+ labelsKMB: true
+ }
+ },
+ ylabel: 'Primary y-axis',
+ y2label: 'Secondary y-axis',
+ yAxisLabelWidth: 60
+ }
+ );
+ assertEquals(["40", "45", "50", "55", "60", "65"], getYLabelsForAxis("1"));
+ assertEquals(["900K","1.1M","1.3M","1.5M","1.7M","1.9M"], getYLabelsForAxis("2"));
+
+ g.updateOptions(
+ {
+ axes: {
+ y: {
+ valueRange: [40, 80]
+ },
+ y2: {
+ valueRange: [1e6, 1.2e6]
+ }
+ }
+ }
+ );
+ assertEquals(["40", "45", "50", "55", "60", "65", "70", "75"], getYLabelsForAxis("1"));
+ assertEquals(["1M", "1.02M", "1.05M", "1.08M", "1.1M", "1.13M", "1.15M", "1.18M"], getYLabelsForAxis("2"));
+};
+
+MultipleAxesTestCase.prototype.testDrawPointCallback = function() {
+ var data = MultipleAxesTestCase.getData();
+
+ var results = { y : {}, y2 : {}};
+ var firstCallback = function(g, seriesName, ctx, canvasx, canvasy, color, radius) {
+ results.y[seriesName] = 1;
+ Dygraph.Circles.DEFAULT(g, seriesName, ctx, canvasx, canvasy, color, radius);
+
+ };
+ var secondCallback = function(g, seriesName, ctx, canvasx, canvasy, color, radius) {
+ results.y2[seriesName] = 1;
+ Dygraph.Circles.TRIANGLE(g, seriesName, ctx, canvasx, canvasy, color, radius);
+ };
+
+ g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ],
+ drawPoints : true,
+ pointSize : 3,
+ series : {
+ 'Y3': {
+ axis: 'y2'
+ },
+ 'Y4': {
+ axis: 'y2'
+ }
+ },
+ axes: {
+ y2: {
+ drawPointCallback: secondCallback
+ }
+ },
+ drawPointCallback: firstCallback
+ }
+ );
+
+ assertEquals(1, results.y["Y1"]);
+ assertEquals(1, results.y["Y2"]);
+ assertEquals(1, results.y2["Y3"]);
+ assertEquals(1, results.y2["Y4"]);
+};