154 строки
5.9 KiB
JavaScript
154 строки
5.9 KiB
JavaScript
var vows = require("vows"),
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load = require("../load"),
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assert = require("../assert");
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var suite = vows.describe("selection.append");
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suite.addBatch({
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"select(body)": {
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topic: load("selection/append").document(),
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"on a simple page": {
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topic: function(d3) {
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return d3.select("body");
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},
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"appends an HTML element": function(body) {
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var div = body.append("div");
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assert.equal(div[0][0].tagName, "DIV");
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assert.equal(div[0][0].namespaceURI, "http://www.w3.org/1999/xhtml");
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assert.isTrue(div[0][0].parentNode === body.node());
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assert.isTrue(div[0][0] === body.node().lastChild);
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},
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"appends an SVG element": function(body) {
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var svg = body.append("svg:svg");
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assert.equal(svg[0][0].tagName, "svg");
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assert.equal(svg[0][0].namespaceURI, "http://www.w3.org/2000/svg");
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assert.isTrue(svg[0][0].parentNode === body.node());
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assert.isTrue(svg[0][0] === body.node().lastChild);
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},
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"appends an element specified as a function": function(body) {
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var svg = body.select("svg").remove().node();
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assert.isFalse(svg === body.node().lastChild);
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body.append(function() { return svg; });
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assert.isTrue(svg === body.node().lastChild);
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},
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"propagates data to new element": function(body) {
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var data = new Object(), div = body.data([data]).append("div");
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assert.strictEqual(div[0][0].__data__, data);
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},
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"returns a new selection": function(body) {
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assert.isFalse(body.append("div") === body);
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},
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"inherits namespace from parent node": function(body) {
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var g = body.append("svg:svg").append("g");
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assert.equal(g[0][0].namespaceURI, "http://www.w3.org/2000/svg");
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}
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}
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}
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});
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suite.addBatch({
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"selectAll(div)": {
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topic: load("selection/selection").document(),
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"on a simple page": {
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topic: function(d3) {
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return d3.select("body").selectAll("div").data([0, 1]).enter().append("div");
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},
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"appends an HTML element": function(div) {
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var span = div.append("span");
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assert.equal(span[0].length, 2);
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assert.equal(span[0][0].tagName, "SPAN");
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assert.equal(span[0][1].tagName, "SPAN");
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assert.equal(span[0][0].namespaceURI, "http://www.w3.org/1999/xhtml");
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assert.equal(span[0][1].namespaceURI, "http://www.w3.org/1999/xhtml");
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assert.isTrue(span[0][0].parentNode === div[0][0]);
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assert.isTrue(span[0][1].parentNode === div[0][1]);
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assert.isTrue(div[0][0].lastChild === span[0][0]);
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assert.isTrue(div[0][1].lastChild === span[0][1]);
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},
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"appends an SVG element": function(div) {
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var svg = div.append("svg:svg");
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assert.equal(svg[0].length, 2);
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assert.equal(svg[0][0].tagName, "svg");
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assert.equal(svg[0][1].tagName, "svg");
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assert.equal(svg[0][0].namespaceURI, "http://www.w3.org/2000/svg");
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assert.equal(svg[0][1].namespaceURI, "http://www.w3.org/2000/svg");
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assert.isTrue(svg[0][0].parentNode === div[0][0]);
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assert.isTrue(svg[0][1].parentNode === div[0][1]);
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assert.isTrue(div[0][0].lastChild === svg[0][0]);
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assert.isTrue(div[0][1].lastChild === svg[0][1]);
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},
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"propagates data to new elements": function(div) {
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var a = new Object(), b = new Object(), span = div.data([a, b]).append("span");
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assert.strictEqual(span[0][0].__data__, a);
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assert.strictEqual(span[0][1].__data__, b);
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},
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"returns a new selection": function(div) {
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assert.isFalse(div.append("div") === div);
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},
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"ignores null nodes": function(div) {
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var node = div.html("")[0][1];
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div[0][1] = null;
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var span = div.append("span");
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assert.equal(span[0].length, 2);
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assert.equal(span[0][0].tagName, "SPAN");
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assert.isNull(span[0][1]);
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assert.isTrue(span[0][0].parentNode === div[0][0]);
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assert.isTrue(div[0][0].lastChild === span[0][0]);
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assert.isNull(node.lastChild);
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}
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}
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}
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});
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suite.addBatch({
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"enter-append": {
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topic: load("selection/selection").document(),
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"on a page with existing elements": {
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topic: function(d3) {
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var body = d3.select("body");
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body.selectAll("div").data(["apple", "orange"]).enter().append("div");
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return body;
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},
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"appends to the end of the parent": function(body) {
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var data = ["peach", "apple", "banana", "orange", "apricot"];
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body.selectAll("div").data(data, String).enter().append("div");
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assert.deepEqual(body.selectAll("div").data(), ["apple", "orange", "peach", "banana", "apricot"]);
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}
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}
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}
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});
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suite.addBatch({
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"selectAll(div).data(…).enter()": {
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topic: load("selection/selection").document(),
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"on a simple page": {
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topic: function(d3) {
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return d3.select("body");
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},
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"appends to the parent node": function(body) {
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var div = body.selectAll("div").data([0, 1]).enter().append("div");
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assert.equal(div.length, 1);
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assert.equal(div[0].length, 2);
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assert.domEqual(div[0][0].parentNode, body.node());
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assert.domEqual(div[0][1].parentNode, body.node());
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},
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"propagates data to new elements": function(body) {
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var a = new Object(), b = new Object(), div = body.html("").selectAll("div").data([a, b]).enter().append("div");
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assert.strictEqual(div[0][0].__data__, a);
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assert.strictEqual(div[0][1].__data__, b);
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},
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"ignores null nodes": function(body) {
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body.html("").append("div");
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var div = body.selectAll("div").data([0, 1, 2]).enter().append("div");
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assert.equal(div.length, 1);
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assert.equal(div[0].length, 3);
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assert.domNull(div[0][0]);
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assert.domEqual(div[0][1].parentNode, body.node());
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assert.domEqual(div[0][2].parentNode, body.node());
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}
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}
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}
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});
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suite.export(module);
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