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Contents
require("../env");
require("../../d3");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("selection.map");
suite.addBatch({
"select(body)": {
topic: function() {
return d3.select("body").html("");
},
"updates the data according to the map function": function(body) {
body.data([42]).map(function(d, i) { return d + i; });
assert.equal(document.body.__data__, 42);
},
"returns the current selection": function(body) {
assert.isTrue(body.map(function() { return 1; }) === body);
}
}
});
suite.addBatch({
"selectAll(div)": {
topic: function() {
return d3.select("body").html("").selectAll("div").data(d3.range(2)).enter().append("div");
},
"updates the data according to the map function": function(div) {
div.data([42, 43]).map(function(d, i) { return d + i; });
assert.equal(div[0][0].__data__, 42);
assert.equal(div[0][1].__data__, 44);
},
"returns the current selection": function(div) {
assert.isTrue(div.map(function() { return 1; }) === div);
},
"ignores null nodes": function(div) {
var some = d3.selectAll("div").data([42, 43]);
some[0][1] = null;
some.map(function() { return 1; });
assert.equal(div[0][0].__data__, 1);
assert.equal(div[0][1].__data__, 43);
}
}
});
suite.export(module);
Version data entries
31 entries across 31 versions & 2 rubygems