--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/test/core/selection-selectAll-test.js Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,128 @@
+require("../env");
+require("../../d3");
+
+var vows = require("vows"),
+ assert = require("assert");
+
+var suite = vows.describe("selection.selectAll");
+
+suite.addBatch({
+ "select(body)": {
+ topic: function() {
+ var body = d3.select("body").html("");
+ if ("__data__" in body[0][0]) delete body[0][0].__data__;
+ body.append("div").attr("class", "first");
+ body.append("div").attr("class", "second");
+ return body;
+ },
+ "selects all matching elements": function(body) {
+ var div = body.selectAll("div");
+ assert.isTrue(div[0][0] === document.body.firstChild);
+ assert.isTrue(div[0][1] === document.body.lastChild);
+ assert.equal(div.length, 1);
+ assert.equal(div[0].length, 2);
+ },
+ "propagates parent node to the selected elements": function(body) {
+ var div = body.selectAll("div");
+ assert.isNotNull(div[0].parentNode);
+ assert.isTrue(div[0].parentNode === document.body);
+ },
+ "does not propagate data if data was specified": function(body) {
+ var div = body.data([new Object()]).selectAll("div");
+ assert.isUndefined(div[0][0].__data__);
+ assert.isUndefined(div[0][1].__data__);
+ },
+ "does not propagate data if data was not specified": function(body) {
+ var div = body.selectAll("div").data([1, 2]);
+ div = body.data([new Object()]).selectAll("div");
+ assert.equal(div[0][0].__data__, 1);
+ assert.equal(div[0][1].__data__, 2);
+ },
+ "returns empty array if no match is found": function(body) {
+ var span = body.selectAll("span");
+ assert.equal(span.length, 1);
+ assert.equal(span[0].length, 0);
+ },
+ "can select via function": function(body) {
+ var d = {}, dd = [], ii = [], tt = [],
+ s = body.data([d]).selectAll(function(d, i) { dd.push(d); ii.push(i); tt.push(this); return this.childNodes; });
+ assert.deepEqual(dd, [d], "expected data, got {actual}");
+ assert.deepEqual(ii, [0], "expected index, got {actual}");
+ assert.domEqual(tt[0], document.body, "expected this, got {actual}");
+ assert.domEqual(s[0][0], document.body.firstChild);
+ assert.domEqual(s[0][1], document.body.lastChild);
+ delete document.body.__data__;
+ }
+ }
+});
+
+suite.addBatch({
+ "selectAll(div)": {
+ topic: function() {
+ var div = d3.select("body").html("").selectAll("div").data(d3.range(2)).enter().append("div");
+ div.append("span").attr("class", "first");
+ div.append("span").attr("class", "second");
+ return div;
+ },
+ "selects all matching elements": function(div) {
+ var span = div.selectAll("span");
+ assert.equal(span.length, 2);
+ assert.equal(span[0].length, 2);
+ assert.isTrue(span[0][0].parentNode === div[0][0]);
+ assert.isTrue(span[0][1].parentNode === div[0][0]);
+ assert.isTrue(span[1][0].parentNode === div[0][1]);
+ assert.isTrue(span[1][1].parentNode === div[0][1]);
+ },
+ "propagates parent node to the selected elements": function(div) {
+ var span = div.selectAll("span");
+ assert.isNotNull(span[0].parentNode);
+ assert.isTrue(span[0].parentNode === div[0][0]);
+ assert.isTrue(span[1].parentNode === div[0][1]);
+ },
+ "does not propagate data if data was specified": function(div) {
+ var span = div.selectAll("span");
+ delete span[0][0].__data__;
+ delete span[0][1].__data__;
+ span = div.data([new Object(), new Object()]).selectAll("span");
+ assert.isUndefined(span[0][0].__data__);
+ assert.isUndefined(span[0][1].__data__);
+ },
+ "does not propagate data if data was not specified": function(div) {
+ var a = new Object(), b = new Object(), span = div.selectAll("span").data([a, b]);
+ delete div[0][0].__data__;
+ delete div[0][1].__data__;
+ span = div.selectAll("span");
+ assert.equal(span[0][0].__data__, a);
+ assert.equal(span[0][1].__data__, b);
+ },
+ "returns empty array if no match is found": function(div) {
+ var div = div.selectAll("div");
+ assert.equal(div.length, 2);
+ assert.equal(div[0].length, 0);
+ assert.equal(div[1].length, 0);
+ },
+ "ignores null nodes": function(div) {
+ var some = d3.selectAll("div");
+ some[0][1] = null;
+ var span = some.selectAll("span");
+ assert.equal(span.length, 1);
+ assert.equal(span[0].length, 2);
+ assert.isTrue(span[0][0].parentNode === div[0][0]);
+ assert.isTrue(span[0][1].parentNode === div[0][0]);
+ },
+ "can select via function": function(div) {
+ var dd = [], ii = [], tt = [],
+ s = div.data(["a", "b"]).selectAll(function(d, i) { dd.push(d); ii.push(i); tt.push(this); return this.childNodes; });
+ assert.deepEqual(dd, ["a", "b"], "expected data, got {actual}");
+ assert.deepEqual(ii, [0, 1], "expected index, got {actual}");
+ assert.domEqual(tt[0], div[0][0], "expected this, got {actual}");
+ assert.domEqual(tt[1], div[0][1], "expected this, got {actual}");
+ assert.domEqual(s[0][0], div[0][0].firstChild);
+ assert.domEqual(s[0][1], div[0][0].lastChild);
+ assert.domEqual(s[1][0], div[0][1].firstChild);
+ assert.domEqual(s[1][1], div[0][1].lastChild);
+ }
+ }
+});
+
+suite.export(module);