43 строки
1.1 KiB
JavaScript
43 строки
1.1 KiB
JavaScript
require("../env");
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var vows = require("vows"),
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assert = require("assert");
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var suite = vows.describe("d3.layout.cluster");
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suite.addBatch({
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"cluster": {
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topic: d3.layout.cluster,
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"can handle an empty children array": function(cluster) {
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assert.deepEqual(cluster.nodes({value: 1, children: [{value: 1, children: []}, {value: 1}]}).map(layout), [
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{value: 1, depth: 0, x: 0.5, y: 0},
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{value: 1, depth: 1, x: 0.25, y: 1},
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{value: 1, depth: 1, x: 0.75, y: 1}
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]);
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},
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"can handle zero-valued nodes": function(cluster) {
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assert.deepEqual(cluster.nodes({value: 0, children: [{value: 0}, {value: 1}]}).map(layout), [
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{value: 0, depth: 0, x: 0.5, y: 0},
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{value: 0, depth: 1, x: 0.25, y: 1},
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{value: 1, depth: 1, x: 0.75, y: 1}
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]);
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},
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"can handle a single node": function(cluster) {
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assert.deepEqual(cluster.nodes({value: 0}).map(layout), [
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{value: 0, depth: 0, x: 0.5, y: 0}
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]);
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}
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}
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});
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function layout(node) {
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return {
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value: node.value,
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depth: node.depth,
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x: node.x,
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y: node.y
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};
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}
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suite.export(module);
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