eventemitter3-graphology
Version:
A robust and multipurpose Graph object for JavaScript.
393 lines (392 loc) • 15.9 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = events;
var _assert = _interopRequireDefault(require("assert"));
var _helpers = require("./helpers");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } /**
* Graphology Events Specs
* ========================
*
* Testing the graph's events.
*/
var VALID_TYPES = new Set(['set', 'merge', 'replace', 'remove']);
function events(Graph) {
return {
nodeAdded: {
'it should fire when a node is added.': function it_should_fire_when_a_node_is_added() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (data) {
_assert["default"].strictEqual(data.key, 'John');
_assert["default"].deepStrictEqual(data.attributes, {
age: 34
});
});
graph.on('nodeAdded', handler);
graph.addNode('John', {
age: 34
});
(0, _assert["default"])(handler.called);
}
},
edgeAdded: {
'it should fire when an edge is added.': function it_should_fire_when_an_edge_is_added() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (data) {
_assert["default"].strictEqual(data.key, 'J->T');
_assert["default"].deepStrictEqual(data.attributes, {
weight: 1
});
_assert["default"].strictEqual(data.source, 'John');
_assert["default"].strictEqual(data.target, 'Thomas');
_assert["default"].strictEqual(data.undirected, false);
});
graph.on('edgeAdded', handler);
(0, _helpers.addNodesFrom)(graph, ['John', 'Thomas']);
graph.addEdgeWithKey('J->T', 'John', 'Thomas', {
weight: 1
});
(0, _assert["default"])(handler.called);
}
},
nodeDropped: {
'it should fire when a node is dropped.': function it_should_fire_when_a_node_is_dropped() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (data) {
_assert["default"].strictEqual(data.key, 'John');
_assert["default"].deepStrictEqual(data.attributes, {
age: 34
});
});
graph.on('nodeDropped', handler);
graph.addNode('John', {
age: 34
});
graph.dropNode('John');
(0, _assert["default"])(handler.called);
}
},
edgeDropped: {
'it should fire when an edge is added.': function it_should_fire_when_an_edge_is_added() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (data) {
_assert["default"].strictEqual(data.key, 'J->T');
_assert["default"].deepStrictEqual(data.attributes, {
weight: 1
});
_assert["default"].strictEqual(data.source, 'John');
_assert["default"].strictEqual(data.target, 'Thomas');
_assert["default"].strictEqual(data.undirected, false);
});
graph.on('edgeDropped', handler);
(0, _helpers.addNodesFrom)(graph, ['John', 'Thomas']);
graph.addEdgeWithKey('J->T', 'John', 'Thomas', {
weight: 1
});
graph.dropEdge('J->T');
(0, _assert["default"])(handler.called);
}
},
cleared: {
'it should fire when the graph is cleared.': function it_should_fire_when_the_graph_is_cleared() {
var graph = new Graph();
var handler = (0, _helpers.spy)();
graph.on('cleared', handler);
graph.clear();
(0, _assert["default"])(handler.called);
}
},
attributesUpdated: {
'it should fire when a graph attribute is updated.': function it_should_fire_when_a_graph_attribute_is_updated() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (payload) {
(0, _assert["default"])(VALID_TYPES.has(payload.type));
if (payload.type === 'set') {
_assert["default"].strictEqual(payload.name, 'name');
} else if (payload.type === 'remove') {
_assert["default"].strictEqual(payload.name, 'name');
} else if (payload.type === 'merge') {
_assert["default"].deepStrictEqual(payload.data, {
author: 'John'
});
}
_assert["default"].deepStrictEqual(payload.attributes, graph.getAttributes());
});
graph.on('attributesUpdated', handler);
graph.setAttribute('name', 'Awesome graph');
graph.replaceAttributes({
name: 'Shitty graph'
});
graph.mergeAttributes({
author: 'John'
});
graph.removeAttribute('name');
_assert["default"].strictEqual(handler.times, 4);
}
},
nodeAttributesUpdated: {
"it should fire when a node's attributes are updated.": function it_should_fire_when_a_nodeS_attributes_are_updated() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].strictEqual(payload.key, 'John');
(0, _assert["default"])(VALID_TYPES.has(payload.type));
if (payload.type === 'set') {
_assert["default"].strictEqual(payload.name, 'age');
} else if (payload.type === 'remove') {
_assert["default"].strictEqual(payload.name, 'eyes');
} else if (payload.type === 'merge') {
_assert["default"].deepStrictEqual(payload.data, {
eyes: 'blue'
});
}
_assert["default"].strictEqual(payload.attributes, graph.getNodeAttributes(payload.key));
});
graph.on('nodeAttributesUpdated', handler);
graph.addNode('John');
graph.setNodeAttribute('John', 'age', 34);
graph.replaceNodeAttributes('John', {
age: 56
});
graph.mergeNodeAttributes('John', {
eyes: 'blue'
});
graph.removeNodeAttribute('John', 'eyes');
_assert["default"].strictEqual(handler.times, 4);
},
'it should fire when a node is merged.': function it_should_fire_when_a_node_is_merged() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].deepStrictEqual(payload, {
type: 'merge',
key: 'John',
attributes: {
count: 2
},
data: {
count: 2
}
});
_assert["default"].deepStrictEqual(graph.getNodeAttributes(payload.key), {
count: 2
});
});
graph.on('nodeAttributesUpdated', handler);
graph.mergeNode('John', {
count: 1
});
graph.mergeNode('John', {
count: 2
});
_assert["default"].strictEqual(handler.times, 1);
},
'it should fire when a node is updated.': function it_should_fire_when_a_node_is_updated() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].deepStrictEqual(payload, {
type: 'replace',
key: 'John',
attributes: {
count: 2
}
});
_assert["default"].deepStrictEqual(graph.getNodeAttributes(payload.key), {
count: 2
});
});
graph.on('nodeAttributesUpdated', handler);
graph.mergeNode('John', {
count: 1
});
graph.updateNode('John', function (attr) {
return _objectSpread(_objectSpread({}, attr), {}, {
count: attr.count + 1
});
});
_assert["default"].strictEqual(handler.times, 1);
}
},
edgeAttributesUpdated: {
"it should fire when an edge's attributes are updated.": function it_should_fire_when_an_edgeS_attributes_are_updated() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].strictEqual(payload.key, 'J->T');
(0, _assert["default"])(VALID_TYPES.has(payload.type));
if (payload.type === 'set') {
_assert["default"].strictEqual(payload.name, 'weight');
} else if (payload.type === 'remove') {
_assert["default"].strictEqual(payload.name, 'type');
} else if (payload.type === 'merge') {
_assert["default"].deepStrictEqual(payload.data, {
type: 'KNOWS'
});
}
_assert["default"].strictEqual(payload.attributes, graph.getEdgeAttributes(payload.key));
});
graph.on('edgeAttributesUpdated', handler);
(0, _helpers.addNodesFrom)(graph, ['John', 'Thomas']);
graph.addEdgeWithKey('J->T', 'John', 'Thomas');
graph.setEdgeAttribute('J->T', 'weight', 34);
graph.replaceEdgeAttributes('J->T', {
weight: 56
});
graph.mergeEdgeAttributes('J->T', {
type: 'KNOWS'
});
graph.removeEdgeAttribute('J->T', 'type');
_assert["default"].strictEqual(handler.times, 4);
},
'it should fire when an edge is merged.': function it_should_fire_when_an_edge_is_merged() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].deepStrictEqual(payload, {
type: 'merge',
key: graph.edge('John', 'Mary'),
attributes: {
weight: 2
},
data: {
weight: 2
}
});
_assert["default"].deepStrictEqual(graph.getEdgeAttributes(payload.key), {
weight: 2
});
});
graph.on('edgeAttributesUpdated', handler);
graph.mergeEdge('John', 'Mary', {
weight: 1
});
graph.mergeEdge('John', 'Mary', {
weight: 2
});
_assert["default"].strictEqual(handler.times, 1);
},
'it should fire when an edge is updated.': function it_should_fire_when_an_edge_is_updated() {
var graph = new Graph();
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].deepStrictEqual(payload, {
type: 'replace',
key: 'j->m',
attributes: {
weight: 2
}
});
_assert["default"].deepStrictEqual(graph.getEdgeAttributes(payload.key), {
weight: 2
});
});
graph.on('edgeAttributesUpdated', handler);
graph.mergeEdgeWithKey('j->m', 'John', 'Mary', {
weight: 1
});
graph.updateEdgeWithKey('j->m', 'John', 'Mary', function (attr) {
return _objectSpread(_objectSpread({}, attr), {}, {
weight: attr.weight + 1
});
});
_assert["default"].strictEqual(handler.times, 1);
}
},
eachNodeAttributesUpdated: {
'it should fire when using #.updateEachNodeAttributes.': function it_should_fire_when_using_UpdateEachNodeAttributes() {
var graph = new Graph();
graph.addNode('John', {
age: 34
});
graph.addNode('Mary', {
age: 56
});
graph.addNode('Suz', {
age: 13
});
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].strictEqual(payload.hints, null);
});
graph.on('eachNodeAttributesUpdated', handler);
graph.updateEachNodeAttributes(function (node, attr) {
return _objectSpread(_objectSpread({}, attr), {}, {
age: attr.age + 1
});
});
_assert["default"].strictEqual(handler.times, 1);
},
'it should provide hints when user gave them.': function it_should_provide_hints_when_user_gave_them() {
var graph = new Graph();
graph.addNode('John', {
age: 34
});
graph.addNode('Mary', {
age: 56
});
graph.addNode('Suz', {
age: 13
});
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].deepStrictEqual(payload.hints, {
attributes: ['age']
});
});
graph.on('eachNodeAttributesUpdated', handler);
graph.updateEachNodeAttributes(function (node, attr) {
return _objectSpread(_objectSpread({}, attr), {}, {
age: attr.age + 1
});
}, {
attributes: ['age']
});
_assert["default"].strictEqual(handler.times, 1);
}
},
eachEdgeAttributesUpdated: {
'it should fire when using #.updateEachEdgeAttributes.': function it_should_fire_when_using_UpdateEachEdgeAttributes() {
var graph = new Graph();
graph.mergeEdgeWithKey(0, 'John', 'Lucy', {
weight: 1
});
graph.mergeEdgeWithKey(1, 'John', 'Mary', {
weight: 10
});
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].strictEqual(payload.hints, null);
});
graph.on('eachEdgeAttributesUpdated', handler);
graph.updateEachEdgeAttributes(function (node, attr) {
return _objectSpread(_objectSpread({}, attr), {}, {
age: attr.weight + 1
});
});
_assert["default"].strictEqual(handler.times, 1);
},
'it should provide hints when user gave them.': function it_should_provide_hints_when_user_gave_them() {
var graph = new Graph();
graph.mergeEdgeWithKey(0, 'John', 'Lucy', {
weight: 1
});
graph.mergeEdgeWithKey(1, 'John', 'Mary', {
weight: 10
});
var handler = (0, _helpers.spy)(function (payload) {
_assert["default"].deepStrictEqual(payload.hints, {
attributes: ['weight']
});
});
graph.on('eachEdgeAttributesUpdated', handler);
graph.updateEachEdgeAttributes(function (node, attr) {
return _objectSpread(_objectSpread({}, attr), {}, {
weight: attr.weight + 1
});
}, {
attributes: ['weight']
});
_assert["default"].strictEqual(handler.times, 1);
}
}
};
}