var vows = require(“vows”),
load = require("../load"), assert = require("../assert");
var suite = vows.describe(“selection.append”);
suite.addBatch({
"select(body)": { topic: load("selection/append").document(), "on a simple page": { topic: function(d3) { return d3.select("body"); }, "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 === body.node()); assert.isTrue(div[0][0] === body.node().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 === body.node()); assert.isTrue(svg[0][0] === body.node().lastChild); }, "appends an element specified as a function": function(body) { var svg = body.select("svg").remove().node(); assert.isFalse(svg === body.node().lastChild); body.append(function() { return svg; }); assert.isTrue(svg === body.node().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); }, "inherits namespace from parent node": function(body) { var g = body.append("svg:svg").append("g"); assert.equal(g[0][0].namespaceURI, "http://www.w3.org/2000/svg"); } } }
});
suite.addBatch({
"selectAll(div)": { topic: load("selection/selection").document(), "on a simple page": { topic: function(d3) { return d3.select("body").selectAll("div").data([0, 1]).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]); }, "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); }, "ignores null nodes": function(div) { var node = div.html("")[0][1]; div[0][1] = null; var span = div.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(node.lastChild); } } }
});
suite.addBatch({
"enter-append": { topic: load("selection/selection").document(), "on a page with existing elements": { topic: function(d3) { var body = d3.select("body"); body.selectAll("div").data(["apple", "orange"]).enter().append("div"); return body; }, "appends to the end of the parent": function(body) { var data = ["peach", "apple", "banana", "orange", "apricot"]; body.selectAll("div").data(data, String).enter().append("div"); assert.deepEqual(body.selectAll("div").data(), ["apple", "orange", "peach", "banana", "apricot"]); } } }
});
suite.addBatch({
"selectAll(div).data(…).enter()": { topic: load("selection/selection").document(), "on a simple page": { topic: function(d3) { return d3.select("body"); }, "appends to the parent node": function(body) { var div = body.selectAll("div").data([0, 1]).enter().append("div"); assert.equal(div.length, 1); assert.equal(div[0].length, 2); assert.domEqual(div[0][0].parentNode, body.node()); assert.domEqual(div[0][1].parentNode, body.node()); }, "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([0, 1, 2]).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, body.node()); assert.domEqual(div[0][2].parentNode, body.node()); } } }
});
suite.export(module);