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119 lines (113 loc) · 4.37 KB
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require("../env");
require("../../d3");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("selection.append");
suite.addBatch({
"select(body)": {
topic: function() {
return d3.select("body").html("");
},
"appends an HTML element": function(body) {
var div = body.append("div");
assert.equal(div[0][0].tagName, "DIV");
assert.isNull(div[0][0].namespaceURI);
assert.isTrue(div[0][0].parentNode === document.body);
assert.isTrue(div[0][0] === document.body.lastChild);
},
"appends an SVG element": function(body) {
var svg = body.append("svg:svg");
assert.equal(svg[0][0].tagName, "SVG");
assert.equal(svg[0][0].namespaceURI, "http://www.w3.org/2000/svg");
assert.isTrue(svg[0][0].parentNode === document.body);
assert.isTrue(svg[0][0] === document.body.lastChild);
},
"propagates data to new element": function(body) {
var data = new Object(), div = body.data([data]).append("div");
assert.strictEqual(div[0][0].__data__, data);
},
"returns a new selection": function(body) {
assert.isFalse(body.append("div") === body);
}
}
});
suite.addBatch({
"selectAll(div)": {
topic: function() {
return d3.select("body").html("").selectAll("div").data(d3.range(2)).enter().append("div");
},
"appends an HTML element": function(div) {
var span = div.append("span");
assert.equal(span[0].length, 2);
assert.equal(span[0][0].tagName, "SPAN");
assert.equal(span[0][1].tagName, "SPAN");
assert.isNull(span[0][0].namespaceURI);
assert.isNull(span[0][1].namespaceURI);
assert.isTrue(span[0][0].parentNode === div[0][0]);
assert.isTrue(span[0][1].parentNode === div[0][1]);
assert.isTrue(div[0][0].lastChild === span[0][0]);
assert.isTrue(div[0][1].lastChild === span[0][1]);
},
"appends an SVG element": function(div) {
var svg = div.append("svg:svg");
assert.equal(svg[0].length, 2);
assert.equal(svg[0][0].tagName, "SVG");
assert.equal(svg[0][1].tagName, "SVG");
assert.equal(svg[0][0].namespaceURI, "http://www.w3.org/2000/svg");
assert.equal(svg[0][1].namespaceURI, "http://www.w3.org/2000/svg");
assert.isTrue(svg[0][0].parentNode === div[0][0]);
assert.isTrue(svg[0][1].parentNode === div[0][1]);
assert.isTrue(div[0][0].lastChild === svg[0][0]);
assert.isTrue(div[0][1].lastChild === svg[0][1]);
},
"ignores null nodes": function(div) {
div.html("");
var some = d3.selectAll("div");
some[0][1] = null;
var span = some.append("span");
assert.equal(span[0].length, 2);
assert.equal(span[0][0].tagName, "SPAN");
assert.isNull(span[0][1]);
assert.isTrue(span[0][0].parentNode === div[0][0]);
assert.isTrue(div[0][0].lastChild === span[0][0]);
assert.isNull(div[0][1].lastChild);
},
"propagates data to new elements": function(div) {
var a = new Object(), b = new Object(), span = div.data([a, b]).append("span");
assert.strictEqual(span[0][0].__data__, a);
assert.strictEqual(span[0][1].__data__, b);
},
"returns a new selection": function(div) {
assert.isFalse(div.append("div") === div);
}
}
});
suite.addBatch({
"selectAll(div).data(…).enter()": {
topic: function() {
return d3.select("body");
},
"appends to the parent node": function(body) {
var div = body.html("").selectAll("div").data(d3.range(2)).enter().append("div");
assert.equal(div.length, 1);
assert.equal(div[0].length, 2);
assert.domEqual(div[0][0].parentNode, document.body);
assert.domEqual(div[0][1].parentNode, document.body);
},
"propagates data to new elements": function(body) {
var a = new Object(), b = new Object(), div = body.html("").selectAll("div").data([a, b]).enter().append("div");
assert.strictEqual(div[0][0].__data__, a);
assert.strictEqual(div[0][1].__data__, b);
},
"ignores null nodes": function(body) {
body.html("").append("div");
var div = body.selectAll("div").data(d3.range(3)).enter().append("div");
assert.equal(div.length, 1);
assert.equal(div[0].length, 3);
assert.domNull(div[0][0]);
assert.domEqual(div[0][1].parentNode, document.body);
assert.domEqual(div[0][2].parentNode, document.body);
}
}
});
suite.export(module);