40 строки
1.1 KiB
JavaScript
40 строки
1.1 KiB
JavaScript
require("../env");
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require("../../d3");
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var vows = require("vows"),
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assert = require("assert");
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var suite = vows.describe("selection.remove");
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suite.addBatch({
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"select(body)": {
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topic: function() {
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return d3.select("body");
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},
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"removes the matching elements": function(body) {
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var div = body.append("div");
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div.remove();
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assert.domNull(div[0][0].parentNode);
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},
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"does not remove non-matching elements": function(body) {
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var div1 = body.append("div"), div2 = body.append("div");
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div1.remove();
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assert.domEqual(div2[0][0].parentNode, document.body);
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},
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"ignores null nodes": function(body) {
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var div = body.html("").selectAll("div").data([0, 1]).enter().append("div"),
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some = d3.selectAll("div");
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some[0][0] = null;
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some.remove();
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assert.domEqual(div[0][0].parentNode, document.body);
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assert.domNull(div[0][1].parentNode);
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},
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"returns the current selection": function(body) {
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var div = body.append("div");
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assert.isTrue(div.remove() === div);
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}
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}
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});
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suite.export(module);
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