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bubble-chart-test.js
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require("./env");
var vows = require('vows');
var assert = require('assert');
var suite = vows.describe('Bubble chart');
var width = 900;
var height = 350;
function buildChart(id) {
d3.select("body").append("div").attr("id", id);
var chart = dc.bubbleChart("#" + id);
chart.width(width).height(height)
.dimension(statusDimension)
.group(statusMultiGroup)
.colors(["#a60000", "#ff0000", "#ff4040", "#ff7373", "#67e667", "#39e639", "#00cc00"])
.colorDomain([0, 220])
.colorAccessor(function (p) {
return p.value.value;
})
.keyAccessor(function (p) {
return p.value.value;
})
.valueAccessor(function (p) {
return p.value.count;
})
.radiusValueAccessor(function (p) {
return p.value.count;
})
.x(d3.scale.linear().domain([0, 300]))
.y(d3.scale.linear().domain([0, 10]))
.r(d3.scale.linear().domain([0, 30]))
.maxBubbleRelativeSize(0.3)
.transitionDuration(0)
.renderLabel(true)
.renderTitle(true)
.title(function (p) {
return p.key + ": {count:" + p.value.count + ",value:" + p.value.value + "}"
});
chart.render();
return chart;
}
suite.addBatch({
'bubble chart': {
topic: function () {
var chart = buildChart("chart");
return chart;
},
'we get something': function (chart) {
assert.isNotNull(chart);
},
'should be registered': function (chart) {
assert.isTrue(dc.hasChart(chart));
},
'svg should be created': function (chart) {
assert.isFalse(chart.select("svg").empty());
},
'dimension should be set': function (chart) {
assert.equal(chart.dimension(), statusDimension);
},
'group should be set': function (chart) {
assert.equal(chart.group(), statusMultiGroup);
},
'colors should be': function (chart) {
assert.isNotNull(chart.colors());
},
'width should be set': function (chart) {
assert.equal(chart.width(), width);
},
'height should be set': function (chart) {
assert.equal(chart.height(), height);
},
'height should be used for svg': function (chart) {
assert.equal(chart.select("svg").attr("height"), height);
},
'transition duration should be set': function (chart) {
assert.equal(chart.transitionDuration(), 0);
},
'margin should be set': function (chart) {
assert.isNotNull(chart.margins());
},
'x can be set': function (chart) {
assert.isTrue(chart.x() != undefined);
},
'x range round is auto calculated based on width': function (chart) {
assert.equal(chart.x().range()[0], 0);
assert.equal(chart.x().range()[1], 820);
},
'x domain should be set': function (chart) {
assert.equal(chart.x().domain()[0], 0);
assert.equal(chart.x().domain()[1], 300);
},
'y can be set': function (chart) {
assert.isTrue(chart.y() != undefined);
},
'y range round is auto calculated based on height': function (chart) {
assert.equal(chart.y().range()[0], 310);
assert.equal(chart.y().range()[1], 0);
},
'y domain should be set': function (chart) {
assert.equal(chart.y().domain()[0], 0);
assert.equal(chart.y().domain()[1], 10);
},
'r should be set': function (chart) {
assert.isNotNull(chart.r());
},
'rValue should be set': function (chart) {
assert.isNotNull(chart.radiusValueAccessor());
},
'root g should be created': function (chart) {
assert.isFalse(chart.select("svg g").empty());
},
'axis x should be placed at the bottom': function (chart) {
assert.equal(chart.select("svg g g.x").attr("transform"), "translate(30,320)");
},
'axis y should be placed on the left': function (chart) {
assert.equal(chart.select("svg g g.y").attr("transform"), "translate(30,10)");
},
'x units should be set': function (chart) {
assert.equal(chart.xUnits(), dc.units.integers);
},
'x axis should be created': function (chart) {
assert.isNotNull(chart.xAxis());
},
'y axis should be created': function (chart) {
assert.isNotNull(chart.yAxis());
},
'brush should be created': function (chart) {
assert.isNotNull(chart.select("g.brush"));
},
'round should be off by default': function (chart) {
assert.isTrue(chart.round() == null);
},
'round can be changed': function (chart) {
chart.round(d3.time.day.round);
assert.isNotNull(chart.round());
},
'bubble rendering': {
topic: function (chart) {
return chart;
},
'should generate right number of bubbles': function (chart) {
assert.equal(chart.selectAll("circle.bubble")[0].length, 2);
},
'should calculate right cx for each bubble': function (chart) {
chart.selectAll("g.node").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).attr("transform"), "translate(631.3333333333334,165)");
if (i == 1)
assert.equal(d3.select(this).attr("transform"), "translate(571.2,165)");
});
},
'should calculate right r for each bubble': function (chart) {
chart.selectAll("circle.bubble").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).attr("r"), 49.33333333333333);
if (i == 1)
assert.equal(d3.select(this).attr("r"), 49.33333333333333);
});
},
'should attach each bubble with index based class': function (chart) {
chart.selectAll("circle.bubble").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).attr("class"), "bubble _0");
if (i == 1)
assert.equal(d3.select(this).attr("class"), "bubble _1");
});
},
'should generate right number of labels': function (chart) {
assert.equal(chart.selectAll("g.node text")[0].length, 2);
},
'should create correct label for each bubble': function (chart) {
chart.selectAll("g.node text").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).text(), "F");
if (i == 1)
assert.equal(d3.select(this).text(), "T");
});
},
'should generate right number of titles': function (chart) {
assert.equal(chart.selectAll("g.node title")[0].length, 2);
},
'should create correct title for each bubble': function (chart) {
chart.selectAll("g.node title").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).text(), "F: {count:5,value:220}");
if (i == 1)
assert.equal(d3.select(this).text(), "T: {count:5,value:198}");
});
},
'should fill bubbles with correct colors': function (chart) {
chart.selectAll("circle.bubble").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).attr("fill"), "#00cc00");
if (i == 1)
assert.equal(d3.select(this).attr("fill"), "#00cc00");
});
}
},
teardown: function (topic) {
resetAllFilters();
resetBody();
}
}
});
suite.addBatch({
'bubble chart wo/ label & title': {
topic: function () {
var chart = buildChart("chart2");
chart.renderLabel(false);
chart.renderTitle(false);
chart.render();
return chart;
},
'should generate right number of labels': function (chart) {
assert.equal(chart.selectAll("g.node text")[0].length, 0);
},
'should generate right number of titles': function (chart) {
assert.equal(chart.selectAll("g.node title")[0].length, 0);
},
teardown: function (topic) {
resetAllFilters();
resetBody();
}
}
});
suite.addBatch({
'bubble chart w/ filter': {
topic: function () {
var chart = buildChart("chart3");
chart.filter("F");
chart.render();
return chart;
},
'should deselect bubble based on filter value': function (chart) {
chart.selectAll("g.node").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).attr("class"), "node selected");
if (i == 1)
assert.equal(d3.select(this).attr("class"), "node deselected");
});
},
'should handle multi-selection highlight': function (chart) {
chart.filter("T");
chart.redraw();
chart.selectAll("g.node").each(function (d, i) {
assert.equal(d3.select(this).attr("class"), "node selected");
});
},
teardown: function (topic) {
resetAllFilters();
resetBody();
}
}
});
suite.addBatch({
'update bubble chart': {
topic: function () {
var chart = buildChart("chart3");
chart.render();
countryDimension.filter("CA");
chart.redraw();
return chart;
},
'should create correct label for each bubble': function (chart) {
chart.selectAll("g.node title").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).text(), "F: {count:0,value:0}");
if (i == 1)
assert.equal(d3.select(this).text(), "T: {count:2,value:77}");
});
},
'should fill bubbles with correct colors': function (chart) {
chart.selectAll("circle.bubble").each(function (d, i) {
if (i == 0)
assert.equal(d3.select(this).attr("fill"), "#a60000");
if (i == 1)
assert.equal(d3.select(this).attr("fill"), "#ff4040");
});
},
teardown: function (topic) {
resetAllFilters();
resetBody();
}
}
});
suite.addBatch({
'bubble chart w/ no filter': {
topic: function () {
var chart = buildChart("chart3");
countryDimension.filter("ZZ");
chart.render();
return chart;
},
'should set invisible if bubble has 0 r': function (chart) {
chart.selectAll("g.node text").each(function (d, i) {
assert.equal(d3.select(this).attr("opacity"), 0);
});
},
teardown: function (topic) {
resetAllFilters();
resetBody();
}
}
});
suite.addBatch({
'bubble chart w/ elastic axises': {
topic: function () {
var chart = buildChart("chart-elastic-axises");
chart.elasticY(true)
.yAxisPadding(3)
.elasticX(true)
.xAxisPadding(20);
chart.redraw();
return chart;
},
'x range round is auto calculated based on width': function (chart) {
assert.equal(chart.x().range()[0], 0);
assert.equal(chart.x().range()[1], 820);
},
'x domain should be set': function (chart) {
assert.equal(chart.x().domain()[0], 178);
assert.equal(chart.x().domain()[1], 240);
},
'y range round is auto calculated based on height': function (chart) {
assert.equal(chart.y().range()[0], 310);
assert.equal(chart.y().range()[1], 0);
},
'y domain should be set': function (chart) {
assert.equal(chart.y().domain()[0], 2);
assert.equal(chart.y().domain()[1], 8);
},
teardown: function (topic) {
resetAllFilters();
resetBody();
}
}
});
suite.addBatch({
'renderlet': {
topic: function () {
var chart = buildChart("chart-renderlet");
chart.renderlet(function (chart) {
chart.selectAll("circle").attr("fill", "red");
});
return chart;
},
'custom renderlet should be invoked with render': function (chart) {
chart.render();
assert.equal(chart.selectAll("circle").attr("fill"), "red");
},
'custom renderlet should be invoked with redraw': function (chart) {
chart.redraw();
assert.equal(chart.selectAll("circle").attr("fill"), "red");
},
teardown: function (topic) {
resetAllFilters();
resetBody();
}
}
});
suite.export(module);