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arangodb/js/apps/system/aardvark/test/specs/graphViewer/specCommunityNode/communityNodeSpec.js

1526 lines
43 KiB
JavaScript

/*jslint indent: 2, nomen: true, maxlen: 100, white: true plusplus: true */
/*global beforeEach, afterEach, jasmine*/
/*global describe, it, expect, spyOn */
/*global helper*/
/*global document, window*/
/*global CommunityNode*/
////////////////////////////////////////////////////////////////////////////////
/// @brief Graph functionality
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2010-2012 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Michael Hackstein
/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
(function () {
"use strict";
describe('Community Node', function() {
var nodes;
beforeEach(function () {
nodes = [];
helper.insertNSimpleNodes(nodes, 30);
});
describe('checking setup', function() {
it('should throw an error if no parent is given', function() {
expect(
function() {
var t = new CommunityNode();
}
).toThrow("A parent element has to be given.");
});
it('should not throw an error if a parent is given', function() {
expect(
function() {
var t = new CommunityNode({
dissolveCommunity: function() {},
checkNodeLimit: function() {}
});
}
).not.toThrow();
});
it('should create a ForceLayouter on setup', function() {
spyOn(window, "ForceLayouter").andCallFake(function() {
return {
start: function(){},
stop: function(){}
};
});
var t = new CommunityNode({
dissolveCommunity: function() {},
checkNodeLimit: function() {}
});
expect(window.ForceLayouter).wasCalledWith({
distance: 100,
gravity: 0.1,
charge: -500,
width: 1,
height: 1,
nodes: [],
links: []
});
});
});
describe('checking the interface', function() {
var testee;
beforeEach(function() {
var parent = {
dissolveCommunity: function() {},
checkNodeLimit: function() {}
};
testee = new CommunityNode(parent, nodes.slice(3, 13));
this.addMatchers({
toHaveFunction: function(func, argCounter) {
var obj = this.actual;
this.message = function(){
return testee.constructor.name
+ " should react to function "
+ func
+ " with at least "
+ argCounter
+ " arguments.";
};
if (typeof(obj[func]) !== "function") {
return false;
}
if (obj[func].length < argCounter) {
return false;
}
return true;
}
});
});
it('should offer a function to getAll included nodes', function() {
expect(testee).toHaveFunction("getNodes", 0);
});
it('should offer a function to check if a node is included', function() {
expect(testee).toHaveFunction("hasNode", 1);
});
it('should offer a function to get a node if it is included', function() {
expect(testee).toHaveFunction("getNode", 1);
});
it('should offer a function to insert an additional node', function() {
expect(testee).toHaveFunction("insertNode", 1);
});
it('should offer a function to insert an incomming edge', function() {
expect(testee).toHaveFunction("insertInboundEdge", 1);
});
it('should offer a function to insert an outgoing edge', function() {
expect(testee).toHaveFunction("insertOutboundEdge", 1);
});
it('should offer a function to remove in incomming edge', function() {
expect(testee).toHaveFunction("removeInboundEdge", 1);
});
it('should offer a function to remove in outgoing edge', function() {
expect(testee).toHaveFunction("removeOutboundEdge", 1);
});
it('should offer a function to remove a node', function() {
expect(testee).toHaveFunction("removeNode", 1);
});
it('should offer a function to remove and return all outgoing edges of a node', function() {
expect(testee).toHaveFunction("removeOutboundEdgesFromNode", 1);
});
it('should offer a function to get the dissolve info', function() {
expect(testee).toHaveFunction("getDissolveInfo", 0);
});
it('should offer a function to shape the community', function() {
expect(testee).toHaveFunction("shapeNodes", 5);
});
it('should offer a function to expand the community', function() {
expect(testee).toHaveFunction("expand", 0);
});
it('should offer a function to collapse the community', function() {
expect(testee).toHaveFunction("collapse", 0);
});
it('should offer a function to dissolve the community', function() {
expect(testee).toHaveFunction("dissolve", 0);
});
it('should offer a function to return the charge value for layouting', function() {
expect(testee).toHaveFunction("getCharge", 0);
});
it('should offer a function to return the link distance value for layouting', function() {
expect(testee).toHaveFunction("getDistance", 0);
});
});
describe('node functionality', function() {
var parent, layouter;
beforeEach(function() {
parent = {
dissolveCommunity: function() {},
checkNodeLimit: function() {}
};
layouter = {
start: function() {},
stop: function() {}
};
spyOn(window, "ForceLayouter").andCallFake(function() {
return layouter;
});
});
it('should create a communityNode containing the given nodes', function() {
var c = new CommunityNode(parent, nodes.slice(3, 13));
expect(c.getNodes()).toEqual(nodes.slice(3, 13));
});
it('should be able to insert a new node', function() {
var c = new CommunityNode(parent, nodes.slice(3, 13)),
n = {
_id: "foxx",
_inboundCounter: 0,
_outboundCounter: 0,
position: {
x: 1,
y: 1,
z: 1
}
};
c.insertNode(n);
expect(c.getNodes()).toEqual(nodes.slice(3, 13).concat([n]));
});
it('should be able to check if a node is included', function() {
var n = {
_id: "foxx",
_inboundCounter: 0,
_outboundCounter: 0,
position: {
x: 1,
y: 1,
z: 1
}
},
c = new CommunityNode(parent, [n]);
expect(c.hasNode("foxx")).toBeTruthy();
expect(c.hasNode("1")).toBeFalsy();
});
it('should only acknowledge included nodes', function() {
var c = new CommunityNode(parent, nodes.slice(3, 13)),
i;
for (i = 0; i < nodes.length; i++) {
if (2 < i && i < 13) {
expect(c.hasNode(nodes[i]._id)).toBeTruthy();
} else {
expect(c.hasNode(nodes[i]._id)).toBeFalsy();
}
}
});
it('should return nodes by id', function() {
var n = {
_id: "foxx",
_inboundCounter: 0,
_outboundCounter: 0,
position: {
x: 1,
y: 1,
z: 1
}
},
c = new CommunityNode(parent, [n]);
expect(c.getNode("foxx")).toEqual(n);
});
it('should return undefined if node is not contained', function() {
var n = {
_id: "foxx",
_inboundCounter: 0,
_outboundCounter: 0,
position: {
x: 1,
y: 1,
z: 1
}
},
c = new CommunityNode(parent, [n]);
expect(c.getNode("nofoxx")).toBeUndefined();
});
it('should be able to remove a node', function() {
var c = new CommunityNode(parent, nodes.slice(3, 5)),
n = {
_id: "foxx",
_inboundCounter: 0,
_outboundCounter: 0,
position: {
x: 1,
y: 1,
z: 1
}
};
expect(c._size).toEqual(2);
c.insertNode(n);
expect(c._size).toEqual(3);
c.removeNode(n);
expect(c._size).toEqual(2);
expect(c.getNodes()).toEqual(nodes.slice(3, 5));
});
it('should be able to remove a node by id', function() {
var c = new CommunityNode(parent, nodes.slice(3, 5)),
n = {
_id: "foxx",
_inboundCounter: 0,
_outboundCounter: 0,
position: {
x: 1,
y: 1,
z: 1
}
};
expect(c._size).toEqual(2);
c.insertNode(n);
expect(c._size).toEqual(3);
c.removeNode("foxx");
expect(c._size).toEqual(2);
expect(c.getNodes()).toEqual(nodes.slice(3, 5));
});
it('should position the initial nodes', function() {
spyOn(layouter, "start");
spyOn(layouter, "stop");
var c = new CommunityNode(parent, nodes.slice(3, 13));
expect(layouter.start).wasCalled();
expect(layouter.stop).wasCalled();
expect(layouter.start.calls.length).toEqual(1);
expect(layouter.stop.calls.length).toEqual(1);
});
it('should update the positioning if a new node is inserted', function() {
var c = new CommunityNode(parent, nodes.slice(3, 5));
spyOn(layouter, "start");
spyOn(layouter, "stop");
c.insertNode(nodes[12]);
expect(layouter.start).wasCalled();
expect(layouter.stop).wasCalled();
expect(layouter.start.calls.length).toEqual(1);
expect(layouter.stop.calls.length).toEqual(1);
});
it('should update the positioning if a node is removed', function() {
var c = new CommunityNode(parent, nodes.slice(3, 5));
spyOn(layouter, "start");
spyOn(layouter, "stop");
c.removeNode(nodes[3]);
expect(layouter.start).wasCalled();
expect(layouter.stop).wasCalled();
expect(layouter.start.calls.length).toEqual(1);
expect(layouter.stop.calls.length).toEqual(1);
});
});
describe('shaping functionality', function() {
var tSpan1, tSpan2, tSpan3, text, g, shaper, gv, colourMapper, box, boxGroup, boxRect,
parent, c, width, titleBG, disBtn, titleText, colBtn, comShapeInner;
beforeEach(function() {
parent = {
dissolveCommunity: function() {},
checkNodeLimit: function() {}
};
var tspans = 0;
width = 90;
box = {
x: -10,
y: -10,
width: 20,
height: 20
};
tSpan1 = {
attr: function() {
return this;
},
text: function() {
return this;
}
};
tSpan2 = {
attr: function() {
return this;
},
text: function() {
return this;
}
};
tSpan3 = {
attr: function() {
return this;
},
text: function() {
return this;
}
};
boxRect = {
attr: function() {
return this;
}
};
titleBG = {
attr: function() {
return this;
}
};
disBtn = {
attr: function() {
return this;
},
on: function() {
return this;
}
};
colBtn = {
attr: function() {
return this;
},
on: function() {
return this;
}
};
titleText = {
attr: function() {
return this;
}
};
boxGroup = {
appendCounter: 0,
append: function(name) {
if (name === "rect") {
this.appendCounter++;
switch (this.appendCounter) {
case 1:
return boxRect;
case 2:
return titleBG;
}
}
if (name === "image") {
this.appendCounter++;
switch (this.appendCounter) {
case 3:
return disBtn;
case 4:
return colBtn;
}
}
if (name === "text") {
return titleText;
}
},
attr: function() {
return this;
}
};
comShapeInner = {
attr: function() {
return this;
},
on: function() {
return this;
},
select: function() {
return {
attr: function() {
return width;
}
};
},
append: function(type) {
if (type === "text") {
return text;
}
}
};
text = {
attr: function() {
return this;
},
append: function() {
switch(tspans) {
case 0:
tspans++;
return tSpan1;
case 1:
tspans++;
return tSpan2;
case 2:
tspans++;
return tSpan3;
}
}
};
g = {
attr: function() {
return this;
},
append: function(type) {
if (type === "g") {
return boxGroup;
}
},
on: function() {
return this;
}
};
shaper = {
shapeFunc: function() {},
shapeQue: function() {}
};
gv = {
start: function() {}
};
colourMapper = {
getForegroundCommunityColour: function() {
return "black";
},
getCommunityColour: function() {
return "white";
}
};
spyOn(document, "getElementById").andCallFake(function() {
return {
getBBox: function() {
return box;
}
};
});
c = new CommunityNode(parent, nodes.slice(0, 5));
});
it('should initially contain the required attributes for shaping', function() {
var x = 42,
y = 23,
n = {
_id: "foxx",
_inboundCounter: 0,
_outboundCounter: 0,
x: x,
y: y,
z: 1,
position: {
x: x,
y: y,
z: 1
}
},
otherC = new CommunityNode(parent, [n].concat(nodes.slice(5,21)));
expect(otherC.x).toBeDefined();
expect(otherC.x).toEqual(x);
expect(otherC.y).toBeDefined();
expect(otherC.y).toEqual(y);
expect(otherC._size).toEqual(17);
expect(otherC._isCommunity).toBeTruthy();
});
it('should shape the collapsed community with given functions', function() {
g = {
on: function() {
return this;
},
append: function() {
return comShapeInner;
}
};
spyOn(g, "append").andCallThrough();
spyOn(g, "on").andCallThrough();
spyOn(shaper, "shapeFunc").andCallThrough();
spyOn(comShapeInner, "attr").andCallThrough();
spyOn(colourMapper, "getForegroundCommunityColour").andCallThrough();
c.shapeNodes(
g,
shaper.shapeFunc,
shaper.shapeQue,
gv.start,
colourMapper
);
expect(colourMapper.getForegroundCommunityColour).wasCalled();
expect(g.append).wasCalledWith("g");
expect(g.on).wasCalledWith("click", null);
expect(comShapeInner.attr).wasCalledWith("stroke", "black");
expect(shaper.shapeFunc).wasCalledWith(comShapeInner, 9);
expect(shaper.shapeFunc).wasCalledWith(comShapeInner, 6);
expect(shaper.shapeFunc).wasCalledWith(comShapeInner, 3);
expect(shaper.shapeFunc).wasCalledWith(comShapeInner);
});
it('should add a label containing the size of a community', function() {
g = {
on: function() {
return this;
},
append: function() {
return comShapeInner;
}
};
spyOn(g, "append").andCallThrough();
spyOn(comShapeInner, "append").andCallThrough();
spyOn(text, "attr").andCallThrough();
spyOn(text, "append").andCallThrough();
spyOn(tSpan1, "attr").andCallThrough();
spyOn(tSpan1, "text").andCallThrough();
spyOn(colourMapper, "getForegroundCommunityColour").andCallThrough();
c.shapeNodes(
g,
shaper.shapeFunc,
shaper.shapeQue,
gv.start,
colourMapper
);
expect(g.append).wasCalledWith("g");
expect(comShapeInner.append).wasCalledWith("text");
expect(text.attr).wasCalledWith("text-anchor", "middle");
expect(text.attr).wasCalledWith("fill", "black");
expect(text.attr).wasCalledWith("stroke", "none");
expect(text.append).wasCalledWith("tspan");
expect(tSpan1.attr).wasCalledWith("x", width * 2 / 3);
expect(tSpan1.attr).wasCalledWith("y", "0");
expect(tSpan1.text).wasCalledWith(5);
});
it('should add a label if a reason is given', function() {
g = {
on: function() {
return this;
},
append: function() {
return comShapeInner;
}
};
c._reason = {
key: "key",
value: "label"
};
spyOn(comShapeInner, "append").andCallThrough();
spyOn(text, "attr").andCallThrough();
spyOn(text, "append").andCallThrough();
spyOn(tSpan1, "attr").andCallThrough();
spyOn(tSpan1, "text").andCallThrough();
spyOn(tSpan2, "attr").andCallThrough();
spyOn(tSpan2, "text").andCallThrough();
spyOn(tSpan3, "attr").andCallThrough();
spyOn(tSpan3, "text").andCallThrough();
spyOn(colourMapper, "getForegroundCommunityColour").andCallThrough();
c.shapeNodes(
g,
shaper.shapeFunc,
shaper.shapeQue,
gv.start,
colourMapper
);
expect(comShapeInner.append).wasCalledWith("text");
expect(text.attr).wasCalledWith("text-anchor", "middle");
expect(text.attr).wasCalledWith("fill", "black");
expect(text.attr).wasCalledWith("stroke", "none");
expect(text.append).wasCalledWith("tspan");
expect(text.append.calls.length).toEqual(3);
expect(tSpan1.attr).wasCalledWith("x", "0");
expect(tSpan1.attr).wasCalledWith("dy", "-4");
expect(tSpan1.text).wasCalledWith("key:");
expect(tSpan2.attr).wasCalledWith("x", "0");
expect(tSpan2.attr).wasCalledWith("dy", "16");
expect(tSpan2.text).wasCalledWith("label");
expect(tSpan3.attr).wasCalledWith("x", width * 2 / 3);
expect(tSpan3.attr).wasCalledWith("y", "0");
expect(tSpan3.text).wasCalledWith(5);
});
describe('if the community is expanded', function() {
var nodeSelector, interior, iEnter, iExit, iAll, iG,
observer, observerCB;
beforeEach(function() {
g.selectAll = function(selector) {
return nodeSelector;
};
nodeSelector = {
data: function() {
return interior;
}
};
interior = {
enter: function() {
return iEnter;
},
exit: function() {
return iExit;
},
selectAll: function() {
return iAll;
},
attr: function() {
return this;
}
};
iEnter = {
append: function() {
return iG;
}
};
iG = {
attr: function() {
return this;
}
};
iExit = {
remove: function() {}
};
iAll = {
remove: function() {}
};
observer = {
observe: function() {},
disconnect: function() {}
};
spyOn(window, "DomObserverFactory").andCallFake(function() {
return {
createObserver: function(cb) {
observerCB = cb;
return observer;
}
};
});
c.expand();
});
it('should print the bounding box correctly', function() {
spyOn(g, "append").andCallThrough();
spyOn(boxGroup, "append").andCallThrough();
spyOn(boxRect, "attr").andCallThrough();
spyOn(titleBG, "attr").andCallThrough();
spyOn(disBtn, "attr").andCallThrough();
spyOn(disBtn, "on").andCallThrough();
spyOn(colBtn, "attr").andCallThrough();
spyOn(colBtn, "on").andCallThrough();
spyOn(titleText, "attr").andCallThrough();
c.shapeNodes(
g,
shaper.shapeFunc,
shaper.shapeQue,
gv.start,
colourMapper
);
expect(g.append).wasCalledWith("g");
expect(boxGroup.append).wasCalledWith("rect");
expect(boxGroup.append).wasCalledWith("image");
expect(boxGroup.append).wasCalledWith("text");
expect(boxGroup.append.calls.length).toEqual(5);
expect(boxRect.attr).wasCalledWith("rx", "8");
expect(boxRect.attr).wasCalledWith("ry", "8");
expect(boxRect.attr).wasCalledWith("fill", "none");
expect(boxRect.attr).wasCalledWith("stroke", "black");
expect(titleBG.attr).wasCalledWith("height", "20");
expect(titleBG.attr).wasCalledWith("rx", "8");
expect(titleBG.attr).wasCalledWith("ry", "8");
expect(titleBG.attr).wasCalledWith("fill", "#686766");
expect(titleBG.attr).wasCalledWith("stroke", "none");
expect(disBtn.attr).wasCalledWith("xlink:href", "img/icon_delete.png");
expect(disBtn.attr).wasCalledWith("height", "16");
expect(disBtn.attr).wasCalledWith("width", "16");
expect(disBtn.attr).wasCalledWith("x", "5");
expect(disBtn.attr).wasCalledWith("y", "2");
expect(disBtn.attr).wasCalledWith("style", "cursor:pointer");
expect(disBtn.on).wasCalledWith("click", jasmine.any(Function));
expect(colBtn.attr).wasCalledWith("xlink:href", "img/gv_collapse.png");
expect(colBtn.attr).wasCalledWith("height", "16");
expect(colBtn.attr).wasCalledWith("width", "16");
expect(colBtn.attr).wasCalledWith("x", "25");
expect(colBtn.attr).wasCalledWith("y", "2");
expect(colBtn.attr).wasCalledWith("style", "cursor:pointer");
expect(colBtn.on).wasCalledWith("click", jasmine.any(Function));
expect(titleText.attr).wasCalledWith("fill", "white");
expect(titleText.attr).wasCalledWith("stroke", "none");
expect(titleText.attr).wasCalledWith("x", "45");
expect(titleText.attr).wasCalledWith("y", "15");
expect(titleText.attr).wasCalledWith("text-anchor", "left");
});
it('should update the box as soon as the dom is ready', function() {
spyOn(boxGroup, "attr").andCallThrough();
spyOn(boxRect, "attr").andCallThrough();
spyOn(titleBG, "attr").andCallThrough();
spyOn(observer, "observe").andCallThrough();
spyOn(observer, "disconnect").andCallThrough();
c.shapeNodes(
g,
shaper.shapeFunc,
shaper.shapeQue,
gv.start,
colourMapper
);
expect(document.getElementById).wasCalledWith(c._id);
expect(observer.observe).wasCalledWith(
jasmine.any(Object),
{
subtree:true,
attributes:true
}
);
observerCB([{attributeName: "transform"}]);
expect(boxGroup.attr).wasCalledWith(
"transform", "translate(" + (box.x - 5) + "," + (box.y - 25) + ")"
);
expect(boxRect.attr).wasCalledWith("width", box.width + 10);
expect(boxRect.attr).wasCalledWith("height", box.height + 30);
expect(titleBG.attr).wasCalledWith("width", box.width + 10);
expect(observer.disconnect).wasCalled();
});
it('should shape the expanded community with given functions', function() {
spyOn(g, "selectAll").andCallThrough();
spyOn(nodeSelector, "data").andCallFake(function(a, func) {
expect(func(nodes[0])).toEqual(nodes[0]._id);
expect(func(nodes[6])).toEqual(nodes[6]._id);
return interior;
});
spyOn(interior, "enter").andCallThrough();
spyOn(interior, "exit").andCallThrough();
spyOn(interior, "selectAll").andCallThrough();
spyOn(iEnter, "append").andCallThrough();
spyOn(iG, "attr").andCallThrough();
spyOn(iExit, "remove").andCallThrough();
spyOn(iAll, "remove").andCallThrough();
spyOn(shaper, "shapeQue").andCallThrough();
c.shapeNodes(
g,
shaper.shapeFunc,
shaper.shapeQue,
gv.start,
colourMapper
);
expect(g.selectAll).wasCalledWith(".node");
expect(nodeSelector.data).wasCalledWith(c.getNodes(), jasmine.any(Function));
expect(interior.enter).wasCalled();
expect(iEnter.append).wasCalledWith("g");
expect(iG.attr).wasCalledWith("class", "node");
expect(iG.attr).wasCalledWith("id", jasmine.any(Function));
expect(interior.exit).wasCalled();
expect(iExit.remove).wasCalled();
expect(interior.selectAll).wasCalledWith("* > *");
expect(iAll.remove).wasCalled();
expect(shaper.shapeQue).wasCalledWith(interior);
});
it('should apply distortion on the interior nodes', function() {
// Fake Layouting to test correctness
var distFake = {
distFunc: function(n){
return {
x: n.x,
y: n.y,
z: 1
};
}
};
distFake.distFunc.focus = function() {
return [20, 10];
};
// Fake distortion from nodeShaper
c.position = {
x: 20,
y: 10,
z: 1
};
nodes[0].x = -20;
nodes[0].y = 20;
nodes[1].x = -10;
nodes[1].y = 10;
nodes[2].x = 0;
nodes[2].y = 0;
nodes[3].x = 10;
nodes[3].y = -10;
nodes[4].x = 20;
nodes[4].y = -20;
c.addDistortion(distFake.distFunc);
expect(nodes[0].position).toEqual({
x: -20,
y: 20,
z: 1
});
expect(nodes[1].position).toEqual({
x: -10,
y: 10,
z: 1
});
expect(nodes[2].position).toEqual({
x: 0,
y: 0,
z: 1
});
expect(nodes[3].position).toEqual({
x: 10,
y: -10,
z: 1
});
expect(nodes[4].position).toEqual({
x: 20,
y: -20,
z: 1
});
});
});
});
describe('edge functionality', function() {
var parent, layouter;
beforeEach(function() {
parent = {
dissolveCommunity: function() {},
checkNodeLimit: function() {}
};
layouter = {
start: function() {},
stop: function() {}
};
spyOn(window, "ForceLayouter").andCallFake(function() {
return layouter;
});
});
it('should return true if an inserted edge is internal', function() {
var c = new CommunityNode(parent),
e1 = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
},
e2 = {
_id: "2-1",
_data: {
_from: "2",
_to: "1"
},
source: nodes[2],
target: nodes[1]
};
c.insertInboundEdge(e1);
expect(c.insertOutboundEdge(e1)).toBeTruthy();
c.insertOutboundEdge(e2);
expect(c.insertInboundEdge(e2)).toBeTruthy();
});
it('should return false if an inserted edge is not internal', function() {
var c = new CommunityNode(parent),
e1 = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
},
e2 = {
_id: "2-1",
_data: {
_from: "2",
_to: "1"
},
source: nodes[2],
target: nodes[1]
};
expect(c.insertInboundEdge(e1)).toBeFalsy();
expect(c.insertOutboundEdge(e2)).toBeFalsy();
});
it('should be possible to remove an inbound edge', function() {
var c = new CommunityNode(parent),
e = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
};
c.insertInboundEdge(e);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [e],
outbound: [],
both: []
});
expect(e.target).toEqual(c);
expect(e._target).toEqual(nodes[2]);
expect(c._inboundCounter).toEqual(1);
c.removeInboundEdge(e);
expect(c._inboundCounter).toEqual(0);
expect(e.target).toEqual(nodes[2]);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [],
both: []
});
});
it('should be possible to remove an inbound edge by its id', function() {
var c = new CommunityNode(parent),
e = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
};
c.insertInboundEdge(e);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [e],
outbound: [],
both: []
});
expect(e.target).toEqual(c);
c.removeInboundEdge("1-2");
expect(e.target).toEqual(nodes[2]);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [],
both: []
});
});
it('should be possible to remove the inbound value of an internal edge', function() {
var c = new CommunityNode(parent),
e = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
};
c.insertInboundEdge(e);
c.insertOutboundEdge(e);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [],
both: [e]
});
expect(c._outboundCounter).toEqual(0);
expect(c._inboundCounter).toEqual(0);
c.removeInboundEdge(e);
expect(c._outboundCounter).toEqual(1);
expect(c._inboundCounter).toEqual(0);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [e],
both: []
});
});
it('should be possible to remove an outbound edge', function() {
var c = new CommunityNode(parent),
e = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
};
c.insertOutboundEdge(e);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [e],
both: []
});
expect(e.source).toEqual(c);
expect(c._outboundCounter).toEqual(1);
c.removeOutboundEdge(e);
expect(c._outboundCounter).toEqual(0);
expect(e.source).toEqual(nodes[1]);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [],
both: []
});
});
it('should be possible to remove an outbound edge by its id', function() {
var c = new CommunityNode(parent),
e = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
};
c.insertOutboundEdge(e);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [e],
both: []
});
expect(e.source).toEqual(c);
c.removeOutboundEdge("1-2");
expect(e.source).toEqual(nodes[1]);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [],
both: []
});
});
it('should be possible to remove the outbound value of an internal edge', function() {
var c = new CommunityNode(parent),
e = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
};
c.insertInboundEdge(e);
c.insertOutboundEdge(e);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [],
outbound: [],
both: [e]
});
expect(c._outboundCounter).toEqual(0);
expect(c._inboundCounter).toEqual(0);
c.removeOutboundEdge(e);
expect(c._outboundCounter).toEqual(0);
expect(c._inboundCounter).toEqual(1);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [e],
outbound: [],
both: []
});
});
it('should be possible to return and remove all outbound edges for a node', function() {
var c = new CommunityNode(parent, [nodes[0], nodes[1]]),
e01 = {
_id: "0-1",
_data: {
_from: "0",
_to: "1"
},
source: nodes[0],
target: nodes[1]
},
e02 = {
_id: "0-2",
_data: {
_from: "0",
_to: "2"
},
source: nodes[0],
target: nodes[2]
},
e12 = {
_id: "1-2",
_data: {
_from: "1",
_to: "2"
},
source: nodes[1],
target: nodes[2]
};
c.insertOutboundEdge(e01);
c.insertOutboundEdge(e02);
c.insertOutboundEdge(e12);
c.insertInboundEdge(e01);
expect(c.removeOutboundEdgesFromNode(nodes[0])).toEqual(
[e01, e02]
);
expect(c.getDissolveInfo().edges).toEqual({
inbound: [e01],
outbound: [e12],
both: []
});
});
it('should update the positioning if an inbound edge becomes internal', function() {
var c = new CommunityNode(parent, nodes.slice(0, 2)),
e = {
_id: "0-1",
_data: {
_from: "0",
_to: "1"
},
source: nodes[0],
target: nodes[1]
};
spyOn(layouter, "start");
spyOn(layouter, "stop");
c.insertInboundEdge(e);
expect(layouter.start).wasNotCalled();
expect(layouter.stop).wasNotCalled();
c.insertOutboundEdge(e);
expect(layouter.start).wasCalled();
expect(layouter.stop).wasCalled();
expect(layouter.start.calls.length).toEqual(1);
expect(layouter.stop.calls.length).toEqual(1);
});
it('should update the positioning if an outbound edge becomes internal', function() {
var c = new CommunityNode(parent, nodes.slice(0, 2)),
e = {
_id: "0-1",
_data: {
_from: "0",
_to: "1"
},
source: nodes[0],
target: nodes[1]
};
spyOn(layouter, "start");
spyOn(layouter, "stop");
c.insertOutboundEdge(e);
expect(layouter.start).wasNotCalled();
expect(layouter.stop).wasNotCalled();
c.insertInboundEdge(e);
expect(layouter.start).wasCalled();
expect(layouter.stop).wasCalled();
expect(layouter.start.calls.length).toEqual(1);
expect(layouter.stop.calls.length).toEqual(1);
});
it('should update the positioning if an interal edge becomes inbound', function() {
var c = new CommunityNode(parent, nodes.slice(0, 2)),
e = {
_id: "0-1",
_data: {
_from: "0",
_to: "1"
},
source: nodes[0],
target: nodes[1]
};
c.insertInboundEdge(e);
c.insertOutboundEdge(e);
spyOn(layouter, "start");
spyOn(layouter, "stop");
c.removeOutboundEdge(e);
expect(layouter.start).wasCalled();
expect(layouter.stop).wasCalled();
expect(layouter.start.calls.length).toEqual(1);
expect(layouter.stop.calls.length).toEqual(1);
});
it('should update the positioning if an interal edge becomes outbound', function() {
var c = new CommunityNode(parent, nodes.slice(0, 2)),
e = {
_id: "0-1",
_data: {
_from: "0",
_to: "1"
},
source: nodes[0],
target: nodes[1]
};
c.insertInboundEdge(e);
c.insertOutboundEdge(e);
spyOn(layouter, "start");
spyOn(layouter, "stop");
c.removeInboundEdge(e);
expect(layouter.start).wasCalled();
expect(layouter.stop).wasCalled();
expect(layouter.start.calls.length).toEqual(1);
expect(layouter.stop.calls.length).toEqual(1);
});
});
describe('expansion functionality', function() {
var parent;
beforeEach(function() {
parent = {
dissolveCommunity: function() {},
checkNodeLimit: function() {}
};
});
it('should be possible to dissolve the community', function() {
var c = new CommunityNode(parent);
spyOn(parent, "dissolveCommunity");
c.dissolve();
expect(parent.dissolveCommunity).wasCalledWith(c);
});
it('should be possible to expand the community', function() {
var c = new CommunityNode(parent);
expect(c._expanded).toBeFalsy();
c.expand();
expect(c._expanded).toBeTruthy();
});
it('should be possible to collapse the community', function() {
var c = new CommunityNode(parent);
expect(c._expanded).toBeFalsy();
c.expand();
expect(c._expanded).toBeTruthy();
c.collapse();
expect(c._expanded).toBeFalsy();
});
});
describe('user interaction', function() {
describe('if community is collapsed', function() {
});
describe('if the community is expanded', function() {
var c, parent;
beforeEach(function() {
parent = {
dissolveCommunity: function() {},
checkNodeLimit: function() {}
};
c = new CommunityNode(parent, nodes.slice(0, 5));
});
it('should be possible to collapse the community', function() {
});
});
});
describe('convenience methods', function() {
var parent;
beforeEach(function() {
parent = {
dissolveCommunity: function() {},
checkNodeLimit: function() {}
};
});
it('should offer an attribute indicating that it is a community', function() {
var c = new CommunityNode(parent, nodes.slice(0, 1));
expect(c._isCommunity).toBeDefined();
expect(c._isCommunity).toBeTruthy();
});
it('should be able to dissolve the community', function() {
var c = new CommunityNode(parent, nodes.slice(3, 13)),
e1 = {
_id: "3-4",
_data: {
_from: "3",
_to: "4"
},
source: nodes[3],
target: nodes[4]
},
e2 = {
_id: "1-7",
_data: {
_from: "1",
_to: "7"
},
source: nodes[1],
target: nodes[7]
},
e3 = {
_id: "8-25",
_data: {
_from: "8",
_to: "25"
},
source: nodes[8],
target: nodes[25]
};
c.insertInboundEdge(e1);
c.insertOutboundEdge(e1);
c.insertInboundEdge(e2);
c.insertOutboundEdge(e3);
expect(c.getDissolveInfo()).toEqual({
nodes: nodes.slice(3, 13),
edges: {
both: [e1],
inbound: [e2],
outbound: [e3]
}
});
expect(e1.source).toEqual(c);
expect(e1._source).toEqual(nodes[3]);
expect(e1.target).toEqual(c);
expect(e1._target).toEqual(nodes[4]);
expect(e2.target).toEqual(c);
expect(e2._target).toEqual(nodes[7]);
expect(e3.source).toEqual(c);
expect(e3._source).toEqual(nodes[8]);
});
});
});
}());