var assert = require('assert'); var moment = require('moment'); var DataSet = require('../lib/DataSet'); var Queue = require('../lib/Queue'); var now = new Date(); describe('DataSet', function () { it('should work', function () { // TODO: improve DataSet tests, split up in one test per function var data = new DataSet({ type: { start: 'Date', end: 'Date' } }); // add single items with different date types data.add({id: 1, content: 'Item 1', start: new Date(now.valueOf())}); data.add({id: 2, content: 'Item 2', start: now.toISOString()}); data.add([ //{id: 3, content: 'Item 3', start: moment(now)}, // TODO: moment fails, not the same instance {id: 3, content: 'Item 3', start: now}, {id: 4, content: 'Item 4', start: '/Date(' + now.valueOf() + ')/'} ]); var items = data.get(); assert.equal(data.length, 4); assert.equal(items.length, 4); items.forEach(function (item) { assert.ok(item.start instanceof Date); }); // get filtered fields only var sort = function (a, b) { return a.id > b.id; }; assert.deepEqual(data.get({ fields: ['id', 'content'] }).sort(sort), [ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'}, {id: 3, content: 'Item 3'}, {id: 4, content: 'Item 4'} ]); // convert dates assert.deepEqual(data.get({ fields: ['id', 'start'], type: {start: 'Number'} }).sort(sort), [ {id: 1, start: now.valueOf()}, {id: 2, start: now.valueOf()}, {id: 3, start: now.valueOf()}, {id: 4, start: now.valueOf()} ]); // get a single item assert.deepEqual(data.get(1, { fields: ['id', 'start'], type: {start: 'ISODate'} }), { id: 1, start: now.toISOString() }); // remove an item data.remove(2); assert.deepEqual(data.get({ fields: ['id'] }).sort(sort), [ {id: 1}, {id: 3}, {id: 4} ]); assert.equal(data.length, 3); // add an item data.add({id: 5, content: 'Item 5', start: now.valueOf()}); assert.deepEqual(data.get({ fields: ['id'] }).sort(sort), [ {id: 1}, {id: 3}, {id: 4}, {id: 5} ]); assert.equal(data.length, 4); // update an item data.update({id: 5, content: 'changed!'}); // update item (extend existing fields) assert.equal(data.length, 4); data.remove(3); // remove existing item assert.equal(data.length, 3); data.add({id: 3, other: 'bla'}); // add new item assert.equal(data.length, 4); data.update({id: 6, content: 'created!', start: now.valueOf()}); // this item is not yet existing, create it assert.equal(data.length, 5); assert.deepEqual(data.get().sort(sort), [ {id: 1, content: 'Item 1', start: now}, {id: 3, other: 'bla'}, {id: 4, content: 'Item 4', start: now}, {id: 5, content: 'changed!', start: now}, {id: 6, content: 'created!', start: now} ]); assert.equal(data.length, 5); data.clear(); assert.equal(data.length, 0); assert.equal(data.get().length, 0); // test filtering and sorting data = new DataSet(); data.add([ {id: 1, age: 30, group: 2}, {id: 2, age: 25, group: 4}, {id: 3, age: 17, group: 2}, {id: 4, age: 27, group: 3} ]); assert.deepEqual(data.get({order: 'age'}), [ {id: 3, age: 17, group: 2}, {id: 2, age: 25, group: 4}, {id: 4, age: 27, group: 3}, {id: 1, age: 30, group: 2} ]); assert.deepEqual(data.getIds({order: 'age'}), [3, 2, 4, 1]); assert.deepEqual(data.get({order: 'age', fields: ['id']}), [ {id: 3}, {id: 2}, {id: 4}, {id: 1} ]); assert.deepEqual(data.get({ order: 'age', filter: function (item) { return item.group == 2; }, fields: ['id'] }), [ {id: 3}, {id: 1} ]); assert.deepEqual(data.getIds({ order: 'age', filter: function (item) { return (item.group == 2); } }), [3, 1]); data.clear(); // test if the setting of the showInternalIds works locally for a single get request data.add({content: 'Item 1'}); data.add({content: 'Item 2'}); assert.notStrictEqual(data.get()[0].id, undefined); // create a dataset with initial data var data = new DataSet([ {id: 1, content: 'Item 1', start: new Date(now.valueOf())}, {id: 2, content: 'Item 2', start: now.toISOString()} ]); assert.deepEqual(data.getIds(), [1, 2]); // create a dataset with initial data and options var data = new DataSet([ {_id: 1, content: 'Item 1', start: new Date(now.valueOf())}, {_id: 2, content: 'Item 2', start: now.toISOString()} ], {fieldId: '_id'}); assert.deepEqual(data.getIds(), [1, 2]); // TODO: extensively test DataSet // TODO: test subscribing to events }); it('should queue and flush changes', function () { var options = {queue: true}; var dataset = new DataSet([ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ], options); assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ]); dataset.add({id: 3, content: 'Item 3'}); dataset.update({id: 1, content: 'Item 1 (updated)'}); dataset.remove(2); assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ]); dataset.flush(); assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1 (updated)'}, {id: 3, content: 'Item 3'} ]); }); it('should queue and flush changes after a timeout', function (done) { var options = {queue: {delay: 100}}; var dataset = new DataSet([ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ], options); assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ]); dataset.add({id: 3, content: 'Item 3'}); dataset.update({id: 1, content: 'Item 1 (updated)'}); dataset.remove(2); assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ]); setTimeout(function () { assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1 (updated)'}, {id: 3, content: 'Item 3'} ]); done(); }, 200) }); it('should remove a queue from the dataset', function () { var options = {queue: true}; var dataset = new DataSet([ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ], options); assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ]); dataset.add({id: 3, content: 'Item 3'}); dataset.update({id: 1, content: 'Item 1 (updated)'}); dataset.remove(2); assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1'}, {id: 2, content: 'Item 2'} ]); dataset.setOptions({queue: false}); // remove queue, should flush changes assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1 (updated)'}, {id: 3, content: 'Item 3'} ]); dataset.add({id: 4, content: 'Item 4'}); assert.deepEqual(dataset.get(), [ {id: 1, content: 'Item 1 (updated)'}, {id: 3, content: 'Item 3'}, {id: 4, content: 'Item 4'} ]); }); });