gridstack.js/spec/gridstack-engine-spec.js
2016-08-18 16:19:48 -04:00

312 lines
11 KiB
JavaScript

describe('gridstack engine', function() {
'use strict';
var e;
var w;
beforeEach(function() {
w = window;
e = w.GridStackUI.Engine;
});
describe('test constructor', function() {
var engine;
beforeAll(function() {
engine = new GridStackUI.Engine(12);
});
it('should be setup properly', function() {
expect(engine.width).toEqual(12);
expect(engine.float).toEqual(false);
expect(engine.height).toEqual(0);
expect(engine.nodes).toEqual([]);
});
});
describe('test _prepareNode', function() {
var engine;
beforeAll(function() {
engine = new GridStackUI.Engine(12);
});
it('should prepare a node', function() {
expect(engine._prepareNode({}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1}));
expect(engine._prepareNode({x: 10}, false)).toEqual(jasmine.objectContaining({x: 10, y: 0, width: 1, height: 1}));
expect(engine._prepareNode({x: -10}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1}));
expect(engine._prepareNode({y: 10}, false)).toEqual(jasmine.objectContaining({x: 0, y: 10, width: 1, height: 1}));
expect(engine._prepareNode({y: -10}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1}));
expect(engine._prepareNode({width: 3}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 3, height: 1}));
expect(engine._prepareNode({width: 100}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 12, height: 1}));
expect(engine._prepareNode({width: 0}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1}));
expect(engine._prepareNode({width: -190}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1}));
expect(engine._prepareNode({height: 3}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 3}));
expect(engine._prepareNode({height: 0}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1}));
expect(engine._prepareNode({height: -10}, false)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1}));
expect(engine._prepareNode({x: 4, width: 10}, false)).toEqual(jasmine.objectContaining({x: 2, y: 0, width: 10, height: 1}));
expect(engine._prepareNode({x: 4, width: 10}, true)).toEqual(jasmine.objectContaining({x: 4, y: 0, width: 8, height: 1}));
});
});
describe('test isAreaEmpty', function() {
var engine;
beforeAll(function() {
engine = new GridStackUI.Engine(12, null, true);
engine.nodes = [
engine._prepareNode({x: 3, y: 2, width: 3, height: 2})
];
});
it('should be true', function() {
expect(engine.isAreaEmpty(0, 0, 3, 2)).toEqual(true);
expect(engine.isAreaEmpty(3, 4, 3, 2)).toEqual(true);
});
it('should be false', function() {
expect(engine.isAreaEmpty(1, 1, 3, 2)).toEqual(false);
expect(engine.isAreaEmpty(2, 3, 3, 2)).toEqual(false);
});
});
describe('test cleanNodes/getDirtyNodes', function() {
var engine;
beforeAll(function() {
engine = new GridStackUI.Engine(12, null, true);
engine.nodes = [
engine._prepareNode({x: 0, y: 0, width: 1, height: 1, idx: 1, _dirty: true}),
engine._prepareNode({x: 3, y: 2, width: 3, height: 2, idx: 2, _dirty: true}),
engine._prepareNode({x: 3, y: 7, width: 3, height: 2, idx: 3})
];
});
beforeEach(function() {
engine._updateCounter = 0;
});
it('should return all dirty nodes', function() {
var nodes = engine.getDirtyNodes();
expect(nodes.length).toEqual(2);
expect(nodes[0].idx).toEqual(1);
expect(nodes[1].idx).toEqual(2);
});
it('should\'n clean nodes if _updateCounter > 0', function() {
engine._updateCounter = 1;
engine.cleanNodes();
expect(engine.getDirtyNodes().length).toBeGreaterThan(0);
});
it('should clean all dirty nodes', function() {
engine.cleanNodes();
expect(engine.getDirtyNodes().length).toEqual(0);
});
});
describe('test batchUpdate/commit', function() {
var engine;
beforeAll(function() {
engine = new GridStackUI.Engine(12);
});
it('should work on not float grids', function() {
expect(engine.float).toEqual(false);
engine.batchUpdate();
expect(engine._updateCounter).toBeGreaterThan(0);
expect(engine.float).toEqual(true);
engine.commit();
expect(engine._updateCounter).toEqual(0);
expect(engine.float).toEqual(false);
});
});
describe('test batchUpdate/commit', function() {
var engine;
beforeAll(function() {
engine = new GridStackUI.Engine(12, null, true);
});
it('should work on float grids', function() {
expect(engine.float).toEqual(true);
engine.batchUpdate();
expect(engine._updateCounter).toBeGreaterThan(0);
expect(engine.float).toEqual(true);
engine.commit();
expect(engine._updateCounter).toEqual(0);
expect(engine.float).toEqual(true);
});
});
describe('test _notify', function() {
var engine;
var spy;
beforeEach(function() {
spy = {
callback: function() {}
};
spyOn(spy, 'callback');
engine = new GridStackUI.Engine(12, spy.callback, true);
engine.nodes = [
engine._prepareNode({x: 0, y: 0, width: 1, height: 1, idx: 1, _dirty: true}),
engine._prepareNode({x: 3, y: 2, width: 3, height: 2, idx: 2, _dirty: true}),
engine._prepareNode({x: 3, y: 7, width: 3, height: 2, idx: 3})
];
});
it('should\'n be called if _updateCounter > 0', function() {
engine._updateCounter = 1;
engine._notify();
expect(spy.callback).not.toHaveBeenCalled();
});
it('should by called with dirty nodes', function() {
engine._notify();
expect(spy.callback).toHaveBeenCalledWith([
engine.nodes[0],
engine.nodes[1]
], true);
});
it('should by called with extra passed node to be removed', function() {
var n1 = {idx: -1};
engine._notify(n1);
expect(spy.callback).toHaveBeenCalledWith([
n1,
engine.nodes[0],
engine.nodes[1]
], true);
});
it('should by called with extra passed node to be removed and should maintain false parameter', function() {
var n1 = {idx: -1};
engine._notify(n1, false);
expect(spy.callback).toHaveBeenCalledWith([
n1,
engine.nodes[0],
engine.nodes[1]
], false);
});
});
describe('test _packNodes', function() {
describe('using not float mode', function() {
var engine;
var findNode = function(engine, id) {
return _.find(engine.nodes, function(i) { return i._id === id; });
};
beforeEach(function() {
engine = new GridStackUI.Engine(12, null, false);
});
it('shouldn\'t pack one node with y coord eq 0', function() {
engine.nodes = [
{x: 0, y: 0, width: 1, height: 1, _id: 1},
];
engine._packNodes();
expect(findNode(engine, 1)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1}));
expect(findNode(engine, 1)._dirty).toBeFalsy();
});
it('should pack one node correctly', function() {
engine.nodes = [
{x: 0, y: 1, width: 1, height: 1, _id: 1},
];
engine._packNodes();
expect(findNode(engine, 1)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1, _dirty: true}));
});
it('should pack nodes correctly', function() {
engine.nodes = [
{x: 0, y: 1, width: 1, height: 1, _id: 1},
{x: 0, y: 5, width: 1, height: 1, _id: 2},
];
engine._packNodes();
expect(findNode(engine, 1)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1, _dirty: true}));
expect(findNode(engine, 2)).toEqual(jasmine.objectContaining({x: 0, y: 1, width: 1, height: 1, _dirty: true}));
});
it('should pack nodes correctly', function() {
engine.nodes = [
{x: 0, y: 5, width: 1, height: 1, _id: 1},
{x: 0, y: 1, width: 1, height: 1, _id: 2},
];
engine._packNodes();
expect(findNode(engine, 2)).toEqual(jasmine.objectContaining({x: 0, y: 0, width: 1, height: 1, _dirty: true}));
expect(findNode(engine, 1)).toEqual(jasmine.objectContaining({x: 0, y: 1, width: 1, height: 1, _dirty: true}));
});
it('should respect locked nodes', function() {
engine.nodes = [
{x: 0, y: 1, width: 1, height: 1, _id: 1, locked: true},
{x: 0, y: 5, width: 1, height: 1, _id: 2},
];
engine._packNodes();
expect(findNode(engine, 1)).toEqual(jasmine.objectContaining({x: 0, y: 1, width: 1, height: 1}));
expect(findNode(engine, 1)._dirty).toBeFalsy();
expect(findNode(engine, 2)).toEqual(jasmine.objectContaining({x: 0, y: 2, width: 1, height: 1, _dirty: true}));
});
});
});
describe('test isNodeChangedPosition', function() {
var engine;
beforeAll(function() {
engine = new GridStackUI.Engine(12);
});
it('should return true for changed x', function() {
var widget = { x: 1, y: 2, width: 3, height: 4 };
expect(engine.isNodeChangedPosition(widget, 2, 2)).toEqual(true);
});
it('should return true for changed y', function() {
var widget = { x: 1, y: 2, width: 3, height: 4 };
expect(engine.isNodeChangedPosition(widget, 1, 1)).toEqual(true);
});
it('should return true for changed width', function() {
var widget = { x: 1, y: 2, width: 3, height: 4 };
expect(engine.isNodeChangedPosition(widget, 2, 2, 4, 4)).toEqual(true);
});
it('should return true for changed height', function() {
var widget = { x: 1, y: 2, width: 3, height: 4 };
expect(engine.isNodeChangedPosition(widget, 1, 2, 3, 3)).toEqual(true);
});
it('should return false for unchanged position', function() {
var widget = { x: 1, y: 2, width: 3, height: 4 };
expect(engine.isNodeChangedPosition(widget, 1, 2, 3, 4)).toEqual(false);
});
});
});