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1330 lines
44 KiB
1330 lines
44 KiB
/**
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*
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* Useful during debugging
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* =======================
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*
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* console.log(JSON.stringify(output, null, 2));
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*
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* for (let i in network.body.edges) {
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* let edge = network.body.edges[i];
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* console.log("" + i + ": from: " + edge.fromId + ", to: " + edge.toId);
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* }
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*/
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var fs = require('fs');
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var assert = require('assert');
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var vis = require('../dist/vis');
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var Network = vis.network;
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var jsdom_global = require('jsdom-global');
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var stdout = require('test-console').stdout;
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var Validator = require("./../lib/shared/Validator").default;
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var {allOptions, configureOptions} = require('./../lib/network/options.js');
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//var {printStyle} = require('./../lib/shared/Validator');
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/**
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* Merge all options of object b into object b
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* @param {Object} a
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* @param {Object} b
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* @return {Object} a
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*
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* Adapted merge() in dotparser.js
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*/
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function merge (a, b) {
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if (!a) {
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a = {};
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}
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if (b) {
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for (var name in b) {
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if (b.hasOwnProperty(name)) {
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if (typeof b[name] === 'object') {
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a[name] = merge(a[name], b[name]);
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} else {
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a[name] = b[name];
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}
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}
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}
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}
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return a;
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}
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/**
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* Load legacy-style (i.e. not module) javascript files into the given context.
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*/
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function include(list, context) {
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if (!(list instanceof Array)) {
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list = [list];
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}
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for (var n in list) {
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var path = list[n];
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var arr = [fs.readFileSync(path) + ''];
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eval.apply(context, arr);
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}
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}
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/**
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* Defined network consists of two sub-networks:
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*
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* - 1-2-3-4
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* - 11-12-13-14
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*
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* For reference, this is the sample network of issue #1218
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*/
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function createSampleNetwork(options) {
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var NumInitialNodes = 8;
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var NumInitialEdges = 6;
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var nodes = new vis.DataSet([
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{id: 1, label: '1'},
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{id: 2, label: '2'},
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{id: 3, label: '3'},
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{id: 4, label: '4'},
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{id: 11, label: '11'},
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{id: 12, label: '12'},
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{id: 13, label: '13'},
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{id: 14, label: '14'},
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]);
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var edges = new vis.DataSet([
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{from: 1, to: 2},
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{from: 2, to: 3},
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{from: 3, to: 4},
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{from: 11, to: 12},
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{from: 12, to: 13},
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{from: 13, to: 14},
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]);
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// create a network
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var container = document.getElementById('mynetwork');
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var data = {
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nodes: nodes,
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edges: edges
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};
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var defaultOptions = {
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layout: {
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randomSeed: 8
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},
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edges: {
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smooth: {
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type: 'continuous' // avoid dynamic here, it adds extra hidden nodes
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}
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}
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};
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options = merge(defaultOptions, options);
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var network = new vis.Network(container, data, options);
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assertNumNodes(network, NumInitialNodes);
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assertNumEdges(network, NumInitialEdges);
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return [network, data, NumInitialNodes, NumInitialEdges];
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};
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/**
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* Create a cluster for the dynamic data change cases.
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*
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* Works on the network created by createSampleNetwork().
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*
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* This is actually a pathological case; there are two separate sub-networks and
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* a cluster is made of two nodes, each from one of the sub-networks.
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*/
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function createCluster(network) {
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var clusterOptionsByData = {
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joinCondition: function(node) {
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if (node.id == 1 || node.id == 11) return true;
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return false;
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},
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clusterNodeProperties: {id:"c1", label:'c1'}
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}
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network.cluster(clusterOptionsByData);
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}
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/**
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* Display node/edge state, useful during debugging
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*/
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function log(network) {
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console.log(Object.keys(network.body.nodes));
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console.log(network.body.nodeIndices);
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console.log(Object.keys(network.body.edges));
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console.log(network.body.edgeIndices);
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};
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/**
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* Note that only the node and edges counts are asserted.
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* This might be done more thoroughly by explicitly checking the id's
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*/
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function assertNumNodes(network, expectedPresent, expectedVisible) {
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if (expectedVisible === undefined) expectedVisible = expectedPresent;
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assert.equal(Object.keys(network.body.nodes).length, expectedPresent, "Total number of nodes does not match");
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assert.equal(network.body.nodeIndices.length, expectedVisible, "Number of visible nodes does not match");
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};
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/**
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* Comment at assertNumNodes() also applies.
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*/
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function assertNumEdges(network, expectedPresent, expectedVisible) {
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if (expectedVisible === undefined) expectedVisible = expectedPresent;
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assert.equal(Object.keys(network.body.edges).length, expectedPresent, "Total number of edges does not match");
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assert.equal(network.body.edgeIndices.length, expectedVisible, "Number of visible edges does not match");
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};
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/**
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* Check if the font options haven't changed.
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*
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* This is to guard against future code changes; a lot of the code deals with particular properties of
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* the font options.
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* If any assertion fails here, all code in Network handling fonts should be checked.
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*/
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function checkFontProperties(fontItem, checkStrict = true) {
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var knownProperties = [
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'color',
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'size',
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'face',
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'background',
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'strokeWidth',
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'strokeColor',
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'align',
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'multi',
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'vadjust',
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'bold',
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'boldital',
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'ital',
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'mono',
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];
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// All properties in fontItem should be known
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for (var prop in fontItem) {
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if (prop === '__type__') continue; // Skip special field in options definition
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if (!fontItem.hasOwnProperty(prop)) continue;
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assert(knownProperties.indexOf(prop) !== -1, "Unknown font option '" + prop + "'");
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}
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if (!checkStrict) return;
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// All known properties should be present
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var keys = Object.keys(fontItem);
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for (var n in knownProperties) {
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var prop = knownProperties[n];
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assert(keys.indexOf(prop) !== -1, "Missing known font option '" + prop + "'");
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}
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}
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describe('Network', function () {
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before(function() {
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this.jsdom_global = jsdom_global(
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"<div id='mynetwork'></div>",
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{ skipWindowCheck: true}
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);
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this.container = document.getElementById('mynetwork');
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});
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after(function() {
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try {
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this.jsdom_global();
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} catch(e) {
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if (e.message() === 'window is undefined') {
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console.warning("'" + e.message() + "' happened again");
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} else {
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throw e;
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}
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}
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});
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/////////////////////////////////////////////////////
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// Local helper methods for Edge and Node testing
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/////////////////////////////////////////////////////
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/**
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* Simplify network creation for local tests
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*/
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function createNetwork(options) {
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var [network, data, numNodes, numEdges] = createSampleNetwork(options);
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return network;
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}
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function firstNode(network) {
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for (var id in network.body.nodes) {
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return network.body.nodes[id];
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}
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return undefined;
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}
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function firstEdge(network) {
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for (var id in network.body.edges) {
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return network.body.edges[id];
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}
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return undefined;
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}
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function checkChooserValues(item, chooser, labelChooser) {
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if (chooser === 'function') {
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assert.equal(typeof item.chooser, 'function');
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} else {
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assert.equal(item.chooser, chooser);
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}
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if (labelChooser === 'function') {
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assert.equal(typeof item.labelModule.fontOptions.chooser, 'function');
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} else {
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assert.equal(item.labelModule.fontOptions.chooser, labelChooser);
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}
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}
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/////////////////////////////////////////////////////
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// End Local helper methods for Edge and Node testing
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/////////////////////////////////////////////////////
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/**
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* Helper function for clustering
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*/
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function clusterTo(network, clusterId, nodeList, allowSingle) {
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var options = {
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joinCondition: function(node) {
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return nodeList.indexOf(node.id) !== -1;
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},
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clusterNodeProperties: {
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id: clusterId,
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label: clusterId
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}
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}
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if (allowSingle === true) {
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options.clusterNodeProperties.allowSingleNodeCluster = true
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}
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network.cluster(options);
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}
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/**
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* At time of writing, this test detected 22 out of 33 'illegal' loops.
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* The real deterrent is eslint rule 'guard-for-in`.
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*/
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it('can deal with added fields in Array.prototype', function (done) {
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Array.prototype.foo = 1; // Just add anything to the prototype
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Object.prototype.bar = 2; // Let's screw up hashes as well
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// The network should just run without throwing errors
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try {
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var [network, data, numNodes, numEdges] = createSampleNetwork({});
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// Do some stuff to trigger more errors
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clusterTo(network, 'c1', [1,2,3]);
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data.nodes.remove(1);
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network.openCluster('c1');
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clusterTo(network, 'c1', [4], true);
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clusterTo(network, 'c2', ['c1'], true);
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clusterTo(network, 'c3', ['c2'], true);
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data.nodes.remove(4);
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} catch(e) {
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delete Array.prototype.foo; // Remove it again so as not to confuse other tests.
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delete Object.prototype.bar;
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assert(false, "Got exception:\n" + e.stack);
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}
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delete Array.prototype.foo; // Remove it again so as not to confuse other tests.
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delete Object.prototype.bar;
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done();
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});
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/**
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* This is a fix on one issue (#3543), but in fact **all* options for all API calls should
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* remain unchanged.
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* TODO: extend test for all API calls with options, see #3548
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*/
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it('does not change the options object passed to fit()', function() {
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var [network, data, numNodes, numEdges] = createSampleNetwork({});
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var options = {};
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network.fit(options);
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// options should still be empty
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for (var prop in options) {
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assert(!options.hasOwnProperty(prop), 'No properties should be present in options, detected property: ' + prop);
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}
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});
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describe('Node', function () {
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it('has known font options', function () {
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var network = createNetwork({});
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checkFontProperties(network.nodesHandler.defaultOptions.font);
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checkFontProperties(allOptions.nodes.font);
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checkFontProperties(configureOptions.nodes.font, false);
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});
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/**
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* NOTE: choosify tests of Node and Edge are parallel
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* TODO: consolidate this is necessary
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*/
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it('properly handles choosify input', function () {
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// check defaults
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var options = {};
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var network = createNetwork(options);
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checkChooserValues(firstNode(network), true, true);
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// There's no point in checking invalid values here; these are detected by the options parser
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// and subsequently handled as missing input, thus assigned defaults
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// check various combinations of valid input
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options = {nodes: {chosen: false}};
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network = createNetwork(options);
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checkChooserValues(firstNode(network), false, false);
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options = {nodes: {chosen: { node:true, label:false}}};
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network = createNetwork(options);
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checkChooserValues(firstNode(network), true, false);
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options = {nodes: {chosen: {
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node:true,
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label: function(value, id, selected, hovering) {}
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}}};
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network = createNetwork(options);
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checkChooserValues(firstNode(network), true, 'function');
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options = {nodes: {chosen: {
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node: function(value, id, selected, hovering) {},
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label:false,
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}}};
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network = createNetwork(options);
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checkChooserValues(firstNode(network), 'function', false);
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});
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}); // Node
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describe('Edge', function () {
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it('has known font options', function () {
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var network = createNetwork({});
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checkFontProperties(network.edgesHandler.defaultOptions.font);
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checkFontProperties(allOptions.edges.font);
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checkFontProperties(configureOptions.edges.font, false);
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});
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/**
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* NOTE: choosify tests of Node and Edge are parallel
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* TODO: consolidate this is necessary
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*/
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it('properly handles choosify input', function () {
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// check defaults
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var options = {};
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var network = createNetwork(options);
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checkChooserValues(firstEdge(network), true, true);
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// There's no point in checking invalid values here; these are detected by the options parser
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// and subsequently handled as missing input, thus assigned defaults
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// check various combinations of valid input
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options = {edges: {chosen: false}};
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network = createNetwork(options);
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checkChooserValues(firstEdge(network), false, false);
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options = {edges: {chosen: { edge:true, label:false}}};
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network = createNetwork(options);
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checkChooserValues(firstEdge(network), true, false);
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options = {edges: {chosen: {
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edge:true,
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label: function(value, id, selected, hovering) {}
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}}};
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network = createNetwork(options);
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checkChooserValues(firstEdge(network), true, 'function');
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options = {edges: {chosen: {
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edge: function(value, id, selected, hovering) {},
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label:false,
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}}};
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network = createNetwork(options);
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checkChooserValues(firstEdge(network), 'function', false);
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});
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|
|
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/**
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* Support routine for next unit test
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*/
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function createDataforColorChange() {
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var nodes = new vis.DataSet([
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{id: 1, label: 'Node 1' }, // group:'Group1'},
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{id: 2, label: 'Node 2', group:'Group2'},
|
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{id: 3, label: 'Node 3'},
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]);
|
|
|
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// create an array with edges
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var edges = new vis.DataSet([
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{id: 1, from: 1, to: 2},
|
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{id: 2, from: 1, to: 3, color: { inherit: 'to'}},
|
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{id: 3, from: 3, to: 3, color: { color: '#00FF00'}},
|
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{id: 4, from: 2, to: 3, color: { inherit: 'from'}},
|
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]);
|
|
|
|
|
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var data = {
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nodes: nodes,
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edges: edges
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};
|
|
|
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return data;
|
|
}
|
|
|
|
|
|
/**
|
|
* Unit test for fix of #3350
|
|
*
|
|
* The issue is that changing color options is not registered in the nodes.
|
|
* We test the updates the color options in the general edges options here.
|
|
*/
|
|
it('sets inherit color option for edges on call to Network.setOptions()', function () {
|
|
var container = document.getElementById('mynetwork');
|
|
var data = createDataforColorChange();
|
|
|
|
var options = {
|
|
"edges" : { "color" : { "inherit" : "to" } },
|
|
};
|
|
|
|
// Test passing options on init.
|
|
var network = new vis.Network(container, data, options);
|
|
var edges = network.body.edges;
|
|
assert.equal(edges[1].options.color.inherit, 'to'); // new default
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|
assert.equal(edges[2].options.color.inherit, 'to'); // set in edge
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|
assert.equal(edges[3].options.color.inherit, false); // has explicit color
|
|
assert.equal(edges[4].options.color.inherit, 'from'); // set in edge
|
|
|
|
// Sanity check: colors should still be defaults
|
|
assert.equal(edges[1].options.color.color, network.edgesHandler.options.color.color);
|
|
|
|
// Override the color value - inherit returns to default
|
|
network.setOptions({ edges:{color: {}}});
|
|
assert.equal(edges[1].options.color.inherit, 'from'); // default
|
|
assert.equal(edges[2].options.color.inherit, 'to'); // set in edge
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|
assert.equal(edges[3].options.color.inherit, false); // has explicit color
|
|
assert.equal(edges[4].options.color.inherit, 'from'); // set in edge
|
|
|
|
// Check no options
|
|
network = new vis.Network(container, data, {});
|
|
edges = network.body.edges;
|
|
assert.equal(edges[1].options.color.inherit, 'from'); // default
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|
assert.equal(edges[2].options.color.inherit, 'to'); // set in edge
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|
assert.equal(edges[3].options.color.inherit, false); // has explicit color
|
|
assert.equal(edges[4].options.color.inherit, 'from'); // set in edge
|
|
|
|
// Set new value
|
|
network.setOptions(options);
|
|
assert.equal(edges[1].options.color.inherit, 'to');
|
|
assert.equal(edges[2].options.color.inherit, 'to'); // set in edge
|
|
assert.equal(edges[3].options.color.inherit, false); // has explicit color
|
|
assert.equal(edges[4].options.color.inherit, 'from'); // set in edge
|
|
|
|
/*
|
|
// Useful for debugging
|
|
console.log('===================================');
|
|
console.log(edges[1].options.color);
|
|
console.log(edges[1].options.color.__proto__);
|
|
console.log(edges[1].options);
|
|
console.log(edges[1].options.__proto__);
|
|
console.log(edges[1].edgeOptions);
|
|
*/
|
|
});
|
|
|
|
|
|
it('sets inherit color option for specific edge', function () {
|
|
var container = document.getElementById('mynetwork');
|
|
var data = createDataforColorChange();
|
|
|
|
// Check no options
|
|
var network = new vis.Network(container, data, {});
|
|
var edges = network.body.edges;
|
|
assert.equal(edges[1].options.color.inherit, 'from'); // default
|
|
assert.equal(edges[2].options.color.inherit, 'to'); // set in edge
|
|
assert.equal(edges[3].options.color.inherit, false); // has explicit color
|
|
assert.equal(edges[4].options.color.inherit, 'from'); // set in edge
|
|
|
|
// Set new value
|
|
data.edges.update({id: 1, color: { inherit: 'to'}});
|
|
assert.equal(edges[1].options.color.inherit, 'to'); // Only this changed
|
|
assert.equal(edges[2].options.color.inherit, 'to');
|
|
assert.equal(edges[3].options.color.inherit, false); // has explicit color
|
|
assert.equal(edges[4].options.color.inherit, 'from');
|
|
});
|
|
|
|
|
|
/**
|
|
* Perhaps TODO: add unit test for passing string value for color option
|
|
*/
|
|
it('sets color value for edges on call to Network.setOptions()', function () {
|
|
var container = document.getElementById('mynetwork');
|
|
var data = createDataforColorChange();
|
|
|
|
var defaultColor = '#848484'; // From defaults
|
|
var color = '#FF0000';
|
|
|
|
var options = {
|
|
"edges" : { "color" : { "color" : color } },
|
|
};
|
|
|
|
// Test passing options on init.
|
|
var network = new vis.Network(container, data, options);
|
|
var edges = network.body.edges;
|
|
assert.equal(edges[1].options.color.color, color);
|
|
assert.equal(edges[1].options.color.inherit, false); // Explicit color, so no inherit
|
|
assert.equal(edges[2].options.color.color, color);
|
|
assert.equal(edges[2].options.color.inherit, 'to'); // Local value overrides! (bug according to docs)
|
|
assert.notEqual(edges[3].options.color.color, color); // Has own value
|
|
assert.equal(edges[3].options.color.inherit, false); // Explicit color, so no inherit
|
|
assert.equal(edges[4].options.color.color, color);
|
|
|
|
// Override the color value - all should return to default
|
|
network.setOptions({ edges:{color: {}}});
|
|
assert.equal(edges[1].options.color.color, defaultColor);
|
|
assert.equal(edges[1].options.color.inherit, 'from');
|
|
assert.equal(edges[2].options.color.color, defaultColor);
|
|
assert.notEqual(edges[3].options.color.color, color); // Has own value
|
|
assert.equal(edges[4].options.color.color, defaultColor);
|
|
|
|
// Check no options
|
|
network = new vis.Network(container, data, {});
|
|
edges = network.body.edges;
|
|
// At this point, color has not changed yet
|
|
assert.equal(edges[1].options.color.color, defaultColor);
|
|
assert.equal(edges[1].options.color.highlight, defaultColor);
|
|
assert.equal(edges[1].options.color.inherit, 'from');
|
|
assert.notEqual(edges[3].options.color.color, color); // Has own value
|
|
|
|
// Set new Value
|
|
network.setOptions(options);
|
|
assert.equal(edges[1].options.color.color, color);
|
|
assert.equal(edges[1].options.color.highlight, defaultColor); // Should not be changed
|
|
assert.equal(edges[1].options.color.inherit, false); // Explicit color, so no inherit
|
|
assert.equal(edges[2].options.color.color, color);
|
|
assert.notEqual(edges[3].options.color.color, color); // Has own value
|
|
assert.equal(edges[4].options.color.color, color);
|
|
});
|
|
|
|
/**
|
|
* Unit test for fix of #3500
|
|
* Checking to make sure edges that become unconnected due to node removal get reconnected
|
|
*/
|
|
it('has reconnected edges', function () {
|
|
var node1 = {id:1, label:"test1"};
|
|
var node2 = {id:2, label:"test2"};
|
|
var nodes = new vis.DataSet([node1, node2]);
|
|
|
|
var edge = {id:1, from: 1, to:2};
|
|
var edges = new vis.DataSet([edge]);
|
|
|
|
var data = {
|
|
nodes: nodes,
|
|
edges: edges
|
|
};
|
|
|
|
var container = document.getElementById('mynetwork');
|
|
var network = new vis.Network(container, data);
|
|
|
|
//remove node causing edge to become disconnected
|
|
nodes.remove(node2.id);
|
|
|
|
var foundEdge = network.body.edges[edge.id];
|
|
|
|
assert.ok(foundEdge===undefined, "edge is still in state cache");
|
|
|
|
//add node back reconnecting edge
|
|
nodes.add(node2);
|
|
|
|
foundEdge = network.body.edges[edge.id];
|
|
|
|
assert.ok(foundEdge!==undefined, "edge is missing from state cache");
|
|
});
|
|
}); // Edge
|
|
|
|
|
|
describe('Clustering', function () {
|
|
|
|
|
|
it('properly handles options allowSingleNodeCluster', function() {
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
data.edges.update({from: 1, to: 11,});
|
|
numEdges += 1;
|
|
assertNumNodes(network, numNodes);
|
|
assertNumEdges(network, numEdges);
|
|
|
|
clusterTo(network, 'c1', [3,4]);
|
|
numNodes += 1; // A clustering node is now hiding two nodes
|
|
numEdges += 1; // One clustering edges now hiding two edges
|
|
assertNumNodes(network, numNodes, numNodes - 2);
|
|
assertNumEdges(network, numEdges, numEdges - 2);
|
|
|
|
// Cluster of single node should fail, because by default allowSingleNodeCluster == false
|
|
clusterTo(network, 'c2', [14]);
|
|
assertNumNodes(network, numNodes, numNodes - 2); // Nothing changed
|
|
assertNumEdges(network, numEdges, numEdges - 2);
|
|
assert(network.body.nodes['c2'] === undefined); // Cluster not created
|
|
|
|
// Redo with allowSingleNodeCluster == true
|
|
clusterTo(network, 'c2', [14], true);
|
|
numNodes += 1;
|
|
numEdges += 1;
|
|
assertNumNodes(network, numNodes, numNodes - 3);
|
|
assertNumEdges(network, numEdges, numEdges - 3);
|
|
assert(network.body.nodes['c2'] !== undefined); // Cluster created
|
|
|
|
|
|
// allowSingleNodeCluster: true with two nodes
|
|
// removing one clustered node should retain cluster
|
|
clusterTo(network, 'c3', [11, 12], true);
|
|
numNodes += 1; // Added cluster
|
|
numEdges += 2;
|
|
assertNumNodes(network, numNodes, 6);
|
|
assertNumEdges(network, numEdges, 5);
|
|
|
|
data.nodes.remove(12);
|
|
assert(network.body.nodes['c3'] !== undefined); // Cluster should still be present
|
|
numNodes -= 1; // removed node
|
|
numEdges -= 3; // cluster edge C3-13 should be removed
|
|
assertNumNodes(network, numNodes, 6);
|
|
assertNumEdges(network, numEdges, 4);
|
|
});
|
|
|
|
|
|
it('removes nested clusters with allowSingleNodeCluster === true', function() {
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
// Create a chain of nested clusters, three deep
|
|
clusterTo(network, 'c1', [4], true);
|
|
clusterTo(network, 'c2', ['c1'], true);
|
|
clusterTo(network, 'c3', ['c2'], true);
|
|
numNodes += 3;
|
|
numEdges += 3;
|
|
assertNumNodes(network, numNodes, numNodes - 3);
|
|
assertNumEdges(network, numEdges, numEdges - 3);
|
|
assert(network.body.nodes['c1'] !== undefined);
|
|
assert(network.body.nodes['c2'] !== undefined);
|
|
assert(network.body.nodes['c3'] !== undefined);
|
|
|
|
// The whole chain should be removed when the bottom-most node is deleted
|
|
data.nodes.remove(4);
|
|
numNodes -= 4;
|
|
numEdges -= 4;
|
|
assertNumNodes(network, numNodes);
|
|
assertNumEdges(network, numEdges);
|
|
assert(network.body.nodes['c1'] === undefined);
|
|
assert(network.body.nodes['c2'] === undefined);
|
|
assert(network.body.nodes['c3'] === undefined);
|
|
});
|
|
|
|
|
|
/**
|
|
* Check on fix for #1218
|
|
*/
|
|
it('connects a new edge to a clustering node instead of the clustered node', function () {
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
|
|
createCluster(network);
|
|
numNodes += 1; // A clustering node is now hiding two nodes
|
|
numEdges += 2; // Two clustering edges now hide two edges
|
|
assertNumNodes(network, numNodes, numNodes - 2);
|
|
assertNumEdges(network, numEdges, numEdges - 2);
|
|
|
|
//console.log("Creating node 21")
|
|
data.nodes.update([{id: 21, label: '21'}]);
|
|
numNodes += 1; // New unconnected node added
|
|
assertNumNodes(network, numNodes, numNodes - 2);
|
|
assertNumEdges(network, numEdges, numEdges - 2); // edges unchanged
|
|
|
|
//console.log("Creating edge 21 pointing to 1");
|
|
// '1' is part of the cluster so should
|
|
// connect to cluster instead
|
|
data.edges.update([{from: 21, to: 1}]);
|
|
numEdges += 2; // A new clustering edge is hiding a new edge
|
|
assertNumNodes(network, numNodes, numNodes - 2); // nodes unchanged
|
|
assertNumEdges(network, numEdges, numEdges - 3);
|
|
});
|
|
|
|
|
|
/**
|
|
* Check on fix for #1315
|
|
*/
|
|
it('can uncluster a clustered node when a node is removed that has an edge to that cluster', function () {
|
|
// NOTE: this block is same as previous test
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
|
|
createCluster(network);
|
|
numNodes += 1; // A clustering node is now hiding two nodes
|
|
numEdges += 2; // Two clustering edges now hide two edges
|
|
assertNumNodes(network, numNodes, numNodes - 2);
|
|
assertNumEdges(network, numEdges, numEdges - 2);
|
|
// End block same as previous test
|
|
|
|
//console.log("removing 12");
|
|
data.nodes.remove(12);
|
|
|
|
// NOTE:
|
|
// At this particular point, there are still the two edges for node 12 in the edges DataSet.
|
|
// If you want to do the delete correctly, these should also be deleted explictly from
|
|
// the edges DataSet. In the Network instance, however, this.body.nodes and this.body.edges
|
|
// should be correct, with the edges of 12 all cleared out.
|
|
|
|
// 12 was connected to 11, which is clustered
|
|
numNodes -= 1; // 12 removed, one less node
|
|
numEdges -= 3; // clustering edge c1-12 and 2 edges of 12 gone
|
|
assertNumNodes(network, numNodes, numNodes - 2);
|
|
assertNumEdges(network, numEdges, numEdges - 1);
|
|
|
|
//console.log("Unclustering c1");
|
|
network.openCluster("c1");
|
|
numNodes -= 1; // cluster node removed, one less node
|
|
numEdges -= 1; // clustering edge gone, regular edge visible
|
|
assertNumNodes(network, numNodes, numNodes); // all are visible again
|
|
assertNumEdges(network, numEdges, numEdges); // all are visible again
|
|
|
|
});
|
|
|
|
|
|
/**
|
|
* Check on fix for #1291
|
|
*/
|
|
it('can remove a node inside a cluster and then open that cluster', function () {
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
|
|
var clusterOptionsByData = {
|
|
joinCondition: function(node) {
|
|
if (node.id == 1 || node.id == 2 || node.id == 3) return true;
|
|
return false;
|
|
},
|
|
clusterNodeProperties: {id:"c1", label:'c1'}
|
|
}
|
|
|
|
network.cluster(clusterOptionsByData);
|
|
numNodes += 1; // new cluster node
|
|
numEdges += 1; // 1 cluster edge expected
|
|
assertNumNodes(network, numNodes, numNodes - 3); // 3 clustered nodes
|
|
assertNumEdges(network, numEdges, numEdges - 3); // 3 edges hidden
|
|
|
|
//console.log("removing node 2, which is inside the cluster");
|
|
data.nodes.remove(2);
|
|
numNodes -= 1; // clustered node removed
|
|
numEdges -= 2; // edges removed hidden in cluster
|
|
assertNumNodes(network, numNodes, numNodes - 2); // view doesn't change
|
|
assertNumEdges(network, numEdges, numEdges - 1); // view doesn't change
|
|
|
|
//console.log("Unclustering c1");
|
|
network.openCluster("c1")
|
|
numNodes -= 1; // cluster node gone
|
|
numEdges -= 1; // cluster edge gone
|
|
assertNumNodes(network, numNodes, numNodes); // all visible
|
|
assertNumEdges(network, numEdges, numEdges); // all visible
|
|
|
|
//log(network);
|
|
});
|
|
|
|
|
|
/**
|
|
* Helper function for setting up a graph for testing clusterByEdgeCount()
|
|
*/
|
|
function createOutlierGraph() {
|
|
// create an array with nodes
|
|
var nodes = new vis.DataSet([
|
|
{id: 1, label: '1', group:'Group1'},
|
|
{id: 2, label: '2', group:'Group2'},
|
|
{id: 3, label: '3', group:'Group3'},
|
|
{id: 4, label: '4', group:'Group4'},
|
|
{id: 5, label: '5', group:'Group4'}
|
|
]);
|
|
|
|
// create an array with edges
|
|
var edges = new vis.DataSet([
|
|
{from: 1, to: 3},
|
|
{from: 1, to: 2},
|
|
{from: 2, to: 4},
|
|
{from: 2, to: 5}
|
|
]);
|
|
|
|
// create a network
|
|
var container = document.getElementById('mynetwork');
|
|
var data = {
|
|
nodes: nodes,
|
|
edges: edges
|
|
};
|
|
var options = {
|
|
"groups" : {
|
|
"Group1" : { level:1 },
|
|
"Group2" : { level:2 },
|
|
"Group3" : { level:3 },
|
|
"Group4" : { level:4 }
|
|
}
|
|
};
|
|
|
|
var network = new vis.Network (container, data, options);
|
|
|
|
return network;
|
|
}
|
|
|
|
|
|
/**
|
|
* Check on fix for #3367
|
|
*/
|
|
it('correctly handles edge cases of clusterByEdgeCount()', function () {
|
|
/**
|
|
* Collect clustered id's
|
|
*
|
|
* All node id's in clustering nodes are collected into an array;
|
|
* The results for all clusters are returned as an array.
|
|
*
|
|
* Ordering of output depends on the order in which they are defined
|
|
* within nodes.clustering; strictly, speaking, the array and its items
|
|
* are collections, so order should not matter.
|
|
*/
|
|
var collectClusters = function(network) {
|
|
var clusters = [];
|
|
for(var n in network.body.nodes) {
|
|
var node = network.body.nodes[n];
|
|
if (node.containedNodes === undefined) continue; // clusters only
|
|
|
|
// Collect id's of nodes in the cluster
|
|
var nodes = [];
|
|
for(var m in node.containedNodes) {
|
|
nodes.push(m);
|
|
}
|
|
clusters.push(nodes);
|
|
}
|
|
|
|
return clusters;
|
|
}
|
|
|
|
|
|
/**
|
|
* Compare cluster data
|
|
*
|
|
* params are arrays of arrays of id's, e.g:
|
|
*
|
|
* [[1,3],[2,4]]
|
|
*
|
|
* Item arrays are the id's of nodes in a given cluster
|
|
*
|
|
* This comparison depends on the ordering; better
|
|
* would be to treat the items and values as collections.
|
|
*/
|
|
var compareClusterInfo = function(recieved, expected) {
|
|
if (recieved.length !== expected.length) return false;
|
|
|
|
for (var n = 0; n < recieved.length; ++n) {
|
|
var itema = recieved[n];
|
|
var itemb = expected[n];
|
|
if (itema.length !== itemb.length) return false;
|
|
|
|
for (var m = 0; m < itema.length; ++m) {
|
|
if (itema[m] != itemb[m]) return false; // != because values can be string or number
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
var assertJoinCondition = function(joinCondition, expected) {
|
|
var network = createOutlierGraph();
|
|
network.clusterOutliers({joinCondition: joinCondition});
|
|
var recieved = collectClusters(network);
|
|
//console.log(recieved);
|
|
|
|
assert(compareClusterInfo(recieved, expected),
|
|
'recieved:' + JSON.stringify(recieved) + '; '
|
|
+ 'expected: ' + JSON.stringify(expected));
|
|
};
|
|
|
|
|
|
// Should cluster 3,4,5:
|
|
var joinAll_ = function(n) { return true ; }
|
|
|
|
// Should cluster none:
|
|
var joinNone_ = function(n) { return false ; }
|
|
|
|
// Should cluster 4 & 5:
|
|
var joinLevel_ = function(n) { return n.level > 3 ; }
|
|
|
|
assertJoinCondition(undefined , [[1,3],[2,4,5]]);
|
|
assertJoinCondition(null , [[1,3],[2,4,5]]);
|
|
assertJoinCondition(joinNone_ , []);
|
|
assertJoinCondition(joinLevel_ , [[2,4,5]]);
|
|
});
|
|
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// Automatic opening of clusters due to dynamic data change
|
|
///////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Helper function, created nested clusters, three deep
|
|
*/
|
|
function createNetwork1() {
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
|
|
clusterTo(network, 'c1', [3,4]);
|
|
numNodes += 1; // new cluster node
|
|
numEdges += 1; // 1 cluster edge expected
|
|
assertNumNodes(network, numNodes, numNodes - 2); // 2 clustered nodes
|
|
assertNumEdges(network, numEdges, numEdges - 2); // 2 edges hidden
|
|
|
|
clusterTo(network, 'c2', [2,'c1']);
|
|
numNodes += 1; // new cluster node
|
|
numEdges += 1; // 2 cluster edges expected
|
|
assertNumNodes(network, numNodes, numNodes - 4); // 4 clustered nodes, including c1
|
|
assertNumEdges(network, numEdges, numEdges - 4); // 4 edges hidden, including edge for c1
|
|
|
|
clusterTo(network, 'c3', [1,'c2']);
|
|
// Attempt at visualization: parentheses belong to the cluster one level above
|
|
// c3
|
|
// ( -c2 )
|
|
// ( -c1 )
|
|
// 14-13-12-11 1 -2 (-3-4)
|
|
numNodes += 1; // new cluster node
|
|
numEdges += 0; // No new cluster edge expected
|
|
assertNumNodes(network, numNodes, numNodes - 6); // 6 clustered nodes, including c1 and c2
|
|
assertNumEdges(network, numEdges, numEdges - 5); // 5 edges hidden, including edges for c1 and c2
|
|
|
|
return [network, data, numNodes, numEdges];
|
|
}
|
|
|
|
|
|
it('opens clusters automatically when nodes deleted', function () {
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
|
|
// Simple case: cluster of two nodes, delete one node
|
|
clusterTo(network, 'c1', [3,4]);
|
|
numNodes += 1; // new cluster node
|
|
numEdges += 1; // 1 cluster edge expected
|
|
assertNumNodes(network, numNodes, numNodes - 2); // 2 clustered nodes
|
|
assertNumEdges(network, numEdges, numEdges - 2); // 2 edges hidden
|
|
|
|
data.nodes.remove(4);
|
|
numNodes -= 2; // deleting clustered node also removes cluster node
|
|
numEdges -= 2; // cluster edge should also be removed
|
|
assertNumNodes(network, numNodes, numNodes);
|
|
assertNumEdges(network, numEdges, numEdges);
|
|
|
|
|
|
// Extended case: nested nodes, three deep
|
|
[network, data, numNodes, numEdges] = createNetwork1();
|
|
|
|
data.nodes.remove(4);
|
|
// c3
|
|
// ( -c2 )
|
|
// 14-13-12-11 1 (-2 -3)
|
|
numNodes -= 2; // node removed, c1 also gone
|
|
numEdges -= 2;
|
|
assertNumNodes(network, numNodes, numNodes - 4);
|
|
assertNumEdges(network, numEdges, numEdges - 3);
|
|
|
|
data.nodes.remove(1);
|
|
// c2
|
|
// 14-13-12-11 (2 -3)
|
|
numNodes -= 2; // node removed, c3 also gone
|
|
numEdges -= 2;
|
|
assertNumNodes(network, numNodes, numNodes - 2);
|
|
assertNumEdges(network, numEdges, numEdges - 1);
|
|
|
|
data.nodes.remove(2);
|
|
// 14-13-12-11 3
|
|
numNodes -= 2; // node removed, c2 also gone
|
|
numEdges -= 1;
|
|
assertNumNodes(network, numNodes); // All visible again
|
|
assertNumEdges(network, numEdges);
|
|
|
|
// Same as previous step, but remove all the given nodes in one go
|
|
// The result should be the same.
|
|
[network, data, numNodes, numEdges] = createNetwork1(); // nested nodes, three deep
|
|
data.nodes.remove([1,2,4]);
|
|
// 14-13-12-11 3
|
|
assertNumNodes(network, 5);
|
|
assertNumEdges(network, 3);
|
|
});
|
|
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// Opening of clusters at various clustering depths
|
|
///////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Check correct opening of a single cluster.
|
|
* This is the 'simple' case.
|
|
*/
|
|
it('properly opens 1-level clusters', function () {
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
|
|
// Pedantic: make a cluster of everything
|
|
clusterTo(network, 'c1', [1,2,3,4,11, 12, 13, 14]);
|
|
// c1(14-13-12-11 1-2-3-4)
|
|
numNodes += 1;
|
|
assertNumNodes(network, numNodes, 1); // Just the clustering node visible
|
|
assertNumEdges(network, numEdges, 0); // No extra edges!
|
|
|
|
network.clustering.openCluster('c1', {});
|
|
numNodes -= 1;
|
|
assertNumNodes(network, numNodes, numNodes); // Expecting same as original
|
|
assertNumEdges(network, numEdges, numEdges);
|
|
|
|
// One external connection
|
|
[network, data, numNodes, numEdges] = createSampleNetwork();
|
|
// 14-13-12-11 1-2-3-4
|
|
clusterTo(network, 'c1', [3,4]);
|
|
network.clustering.openCluster('c1', {});
|
|
assertNumNodes(network, numNodes, numNodes); // Expecting same as original
|
|
assertNumEdges(network, numEdges, numEdges);
|
|
|
|
// Two external connections
|
|
clusterTo(network, 'c1', [2,3]);
|
|
network.clustering.openCluster('c1', {});
|
|
assertNumNodes(network, numNodes, numNodes); // Expecting same as original
|
|
assertNumEdges(network, numEdges, numEdges);
|
|
|
|
// One external connection to cluster
|
|
clusterTo(network, 'c1', [1,2]);
|
|
clusterTo(network, 'c2', [3,4]);
|
|
// 14-13-12-11 c1(1-2-)-c2(-3-4)
|
|
network.clustering.openCluster('c1', {});
|
|
// 14-13-12-11 1-2-c2(-3-4)
|
|
numNodes += 1;
|
|
numEdges += 1;
|
|
assertNumNodes(network, numNodes, numNodes - 2);
|
|
assertNumEdges(network, numEdges, numEdges - 2);
|
|
|
|
// two external connections to clusters
|
|
[network, data, numNodes, numEdges] = createSampleNetwork();
|
|
data.edges.update({
|
|
from: 1,
|
|
to: 11,
|
|
});
|
|
numEdges += 1;
|
|
assertNumNodes(network, numNodes, numNodes);
|
|
assertNumEdges(network, numEdges, numEdges);
|
|
|
|
clusterTo(network, 'c1', [1,2]);
|
|
// 14-13-12-11-c1(-1-2-)-3-4
|
|
numNodes += 1;
|
|
numEdges += 2;
|
|
clusterTo(network, 'c2', [3,4]);
|
|
// 14-13-12-11-c1(-1-2-)-c2(-3-4)
|
|
// NOTE: clustering edges are hidden by clustering here!
|
|
numNodes += 1;
|
|
numEdges += 1;
|
|
clusterTo(network, 'c3', [11,12]);
|
|
// 14-13-c3(-12-11-)-c1(-1-2-)-c2(-3-4)
|
|
numNodes += 1;
|
|
numEdges += 2;
|
|
assertNumNodes(network, numNodes, numNodes - 6);
|
|
assertNumEdges(network, numEdges, numEdges - 8); // 6 regular edges hidden; also 2 clustering!!!!!
|
|
|
|
network.clustering.openCluster('c1', {});
|
|
numNodes -= 1;
|
|
numEdges -= 2;
|
|
// 14-13-c3(-12-11-)-1-2-c2(-3-4)
|
|
assertNumNodes(network, numNodes, numNodes - 4);
|
|
assertNumEdges(network, numEdges, numEdges - 5);
|
|
});
|
|
|
|
|
|
/**
|
|
* Check correct opening of nested clusters.
|
|
* The test uses clustering three levels deep and opens the middle one.
|
|
*/
|
|
it('properly opens clustered clusters', function () {
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
data.edges.update({from: 1, to: 11,});
|
|
numEdges += 1;
|
|
clusterTo(network, 'c1', [3,4]);
|
|
clusterTo(network, 'c2', [2,'c1']);
|
|
clusterTo(network, 'c3', [1,'c2']);
|
|
// Attempt at visualization: parentheses belong to the cluster one level above
|
|
// -c3
|
|
// ( -c2 )
|
|
// ( -c1 )
|
|
// 14-13-12-11 -1 -2 (-3-4)
|
|
numNodes += 3;
|
|
numEdges += 3;
|
|
//console.log("numNodes: " + numNodes + "; numEdges: " + numEdges);
|
|
assertNumNodes(network, numNodes, numNodes - 6);
|
|
assertNumEdges(network, numEdges, numEdges - 6);
|
|
|
|
// Open the middle cluster
|
|
network.clustering.openCluster('c2', {});
|
|
// -c3
|
|
// ( -c1 )
|
|
// 14-13-12-11 -1 -2 (-3-4)
|
|
numNodes -= 1;
|
|
numEdges -= 1;
|
|
assertNumNodes(network, numNodes, numNodes - 5);
|
|
assertNumEdges(network, numEdges, numEdges - 5);
|
|
|
|
//
|
|
// Same, with one external connection to cluster
|
|
//
|
|
var [network, data, numNodes, numEdges] = createSampleNetwork();
|
|
data.edges.update({from: 1, to: 11,});
|
|
data.edges.update({from: 2, to: 12,});
|
|
numEdges += 2;
|
|
// 14-13-12-11-1-2-3-4
|
|
// |------|
|
|
assertNumNodes(network, numNodes);
|
|
assertNumEdges(network, numEdges);
|
|
|
|
|
|
clusterTo(network, 'c0', [11,12]);
|
|
clusterTo(network, 'c1', [3,4]);
|
|
clusterTo(network, 'c2', [2,'c1']);
|
|
clusterTo(network, 'c3', [1,'c2']);
|
|
// +----------------+
|
|
// | c3 |
|
|
// | +----------+ |
|
|
// | | c2 | |
|
|
// +-------+ | | +----+ | |
|
|
// | c0 | | | | c1 | | |
|
|
// 14-13-|-12-11-|-|-1-|-2-|-3-4| | |
|
|
// | | | | | | +----+ | |
|
|
// +-------+ | | | | |
|
|
// | | +----------+ |
|
|
// | | | |
|
|
// | +----------------+
|
|
// |------------|
|
|
// (I)
|
|
numNodes += 4;
|
|
numEdges = 15;
|
|
assertNumNodes(network, numNodes, 4);
|
|
assertNumEdges(network, numEdges, 3); // (I) link 2-12 is combined into cluster edge for 11-1
|
|
|
|
// Open the middle cluster
|
|
network.clustering.openCluster('c2', {});
|
|
// +--------------+
|
|
// | c3 |
|
|
// | |
|
|
// +-------+ | +----+ |
|
|
// | c0 | | | c1 | |
|
|
// 14-13-|-12-11-|-|-1--2-|-3-4| |
|
|
// | | | | | +----+ |
|
|
// +-------+ | | |
|
|
// | | | |
|
|
// | +--------------+
|
|
// |-----------|
|
|
// (I)
|
|
numNodes -= 1;
|
|
numEdges -= 2;
|
|
assertNumNodes(network, numNodes, 4); // visibility doesn't change, cluster opened within cluster
|
|
assertNumEdges(network, numEdges, 3); // (I)
|
|
|
|
// Open the top cluster
|
|
network.clustering.openCluster('c3', {});
|
|
//
|
|
// +-------+ +----+
|
|
// | c0 | | c1 |
|
|
// 14-13-|-12-11-|-1-2-|-3-4|
|
|
// | | | | +----+
|
|
// +-------+ |
|
|
// | |
|
|
// |--------|
|
|
// (II)
|
|
numNodes -= 1;
|
|
numEdges = 12;
|
|
assertNumNodes(network, numNodes, 6); // visibility doesn't change, cluster opened within cluster
|
|
assertNumEdges(network, numEdges, 6); // (II) link 2-12 visible again
|
|
});
|
|
}); // Clustering
|
|
|
|
|
|
describe('on node.js', function () {
|
|
|
|
it('should be running', function () {
|
|
assert(this.container !== null, 'Container div not found');
|
|
|
|
// The following should now just plain succeed
|
|
var [network, data] = createSampleNetwork();
|
|
|
|
assert.equal(Object.keys(network.body.nodes).length, 8);
|
|
assert.equal(Object.keys(network.body.edges).length, 6);
|
|
});
|
|
|
|
|
|
describe('runs example ', function () {
|
|
|
|
function loadExample(path, noPhysics) {
|
|
include(path, this);
|
|
var container = document.getElementById('mynetwork');
|
|
|
|
// create a network
|
|
var data = {
|
|
nodes: new vis.DataSet(nodes),
|
|
edges: new vis.DataSet(edges)
|
|
};
|
|
|
|
if (noPhysics) {
|
|
// Avoid excessive processor time due to load.
|
|
// We're just interested that the load itself is good
|
|
options.physics = false;
|
|
}
|
|
|
|
var network = new vis.Network(container, data, options);
|
|
return network;
|
|
};
|
|
|
|
|
|
it('basicUsage', function () {
|
|
var network = loadExample('./test/network/basicUsage.js');
|
|
//console.log(Object.keys(network.body.edges));
|
|
|
|
// Count in following also contains the helper nodes for dynamic edges
|
|
assert.equal(Object.keys(network.body.nodes).length, 10);
|
|
assert.equal(Object.keys(network.body.edges).length, 5);
|
|
});
|
|
|
|
|
|
it('WorlCup2014', function (done) {
|
|
// This is a huge example (which is why it's tested here!), so it takes a long time to load.
|
|
this.timeout(15000);
|
|
|
|
var network = loadExample('./examples/network/datasources/WorldCup2014.js', true);
|
|
|
|
// Count in following also contains the helper nodes for dynamic edges
|
|
assert.equal(Object.keys(network.body.nodes).length, 9964);
|
|
assert.equal(Object.keys(network.body.edges).length, 9228);
|
|
done();
|
|
});
|
|
|
|
|
|
// This actually failed to load, added for this reason
|
|
it('disassemblerExample', function () {
|
|
var network = loadExample('./examples/network/exampleApplications/disassemblerExample.js');
|
|
// console.log(Object.keys(network.body.nodes));
|
|
// console.log(Object.keys(network.body.edges));
|
|
|
|
// Count in following also contains the helper nodes for dynamic edges
|
|
assert.equal(Object.keys(network.body.nodes).length, 9);
|
|
assert.equal(Object.keys(network.body.edges).length, 14 - 3); // NB 3 edges in data not displayed
|
|
});
|
|
|
|
}); // runs example
|
|
}); // on node.js
|
|
}); // Network
|