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401 lines
11 KiB
401 lines
11 KiB
var assert = require('assert');
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var vis = require('../dist/vis');
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var moment = vis.moment;
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var DataSet = vis.DataSet;
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var Queue = vis.Queue;
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// TODO: test the source code immediately, but this is ES6
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var now = new Date();
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describe('DataSet', function () {
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it('should work', function () {
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// TODO: improve DataSet tests, split up in one test per function
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var data = new DataSet({
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type: {
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start: 'Date',
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end: 'Date'
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}
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});
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// add single items with different date types
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data.add({id: 1, content: 'Item 1', start: new Date(now.valueOf())});
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data.add({id: 2, content: 'Item 2', start: now.toISOString()});
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data.add([
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//{id: 3, content: 'Item 3', start: moment(now)}, // TODO: moment fails, not the same instance
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{id: 3, content: 'Item 3', start: now},
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{id: 4, content: 'Item 4', start: '/Date(' + now.valueOf() + ')/'}
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]);
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var items = data.get();
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assert.equal(data.length, 4);
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assert.equal(items.length, 4);
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items.forEach(function (item) {
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assert.ok(item.start instanceof Date);
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});
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// get filtered fields only
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var sort = function (a, b) {
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return a.id > b.id;
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};
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assert.deepEqual(data.get({
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fields: ['id', 'content']
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}).sort(sort), [
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'},
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{id: 3, content: 'Item 3'},
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{id: 4, content: 'Item 4'}
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]);
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// convert dates
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assert.deepEqual(data.get({
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fields: ['id', 'start'],
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type: {start: 'Number'}
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}).sort(sort), [
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{id: 1, start: now.valueOf()},
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{id: 2, start: now.valueOf()},
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{id: 3, start: now.valueOf()},
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{id: 4, start: now.valueOf()}
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]);
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// get a single item
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assert.deepEqual(data.get(1, {
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fields: ['id', 'start'],
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type: {start: 'ISODate'}
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}), {
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id: 1,
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start: now.toISOString()
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});
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// remove an item
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data.remove(2);
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assert.deepEqual(data.get({
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fields: ['id']
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}).sort(sort), [
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{id: 1},
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{id: 3},
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{id: 4}
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]);
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assert.equal(data.length, 3);
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// add an item
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data.add({id: 5, content: 'Item 5', start: now.valueOf()});
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assert.deepEqual(data.get({
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fields: ['id']
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}).sort(sort), [
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{id: 1},
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{id: 3},
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{id: 4},
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{id: 5}
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]);
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assert.equal(data.length, 4);
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// update an item
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data.update({id: 5, content: 'changed!'}); // update item (extend existing fields)
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assert.equal(data.length, 4);
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data.remove(3); // remove existing item
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assert.equal(data.length, 3);
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data.add({id: 3, other: 'bla'}); // add new item
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assert.equal(data.length, 4);
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data.update({id: 6, content: 'created!', start: now.valueOf()}); // this item is not yet existing, create it
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assert.equal(data.length, 5);
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assert.deepEqual(data.get().sort(sort), [
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{id: 1, content: 'Item 1', start: now},
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{id: 3, other: 'bla'},
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{id: 4, content: 'Item 4', start: now},
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{id: 5, content: 'changed!', start: now},
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{id: 6, content: 'created!', start: now}
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]);
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assert.equal(data.length, 5);
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data.clear();
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assert.equal(data.length, 0);
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assert.equal(data.get().length, 0);
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// test filtering and sorting
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data = new DataSet();
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data.add([
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{id: 1, age: 30, group: 2},
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{id: 2, age: 25, group: 4},
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{id: 3, age: 17, group: 2},
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{id: 4, age: 27, group: 3}
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]);
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assert.deepEqual(data.get({order: 'age'}), [
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{id: 3, age: 17, group: 2},
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{id: 2, age: 25, group: 4},
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{id: 4, age: 27, group: 3},
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{id: 1, age: 30, group: 2}
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]);
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assert.deepEqual(data.getIds({order: 'age'}), [3, 2, 4, 1]);
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assert.deepEqual(data.get({order: 'age', fields: ['id']}), [
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{id: 3},
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{id: 2},
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{id: 4},
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{id: 1}
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]);
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assert.deepEqual(data.get({
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order: 'age',
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filter: function (item) {
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return item.group == 2;
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},
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fields: ['id']
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}), [
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{id: 3},
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{id: 1}
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]);
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assert.deepEqual(data.getIds({
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order: 'age',
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filter: function (item) {
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return (item.group == 2);
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}
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}), [3, 1]);
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data.clear();
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// test if the setting of the showInternalIds works locally for a single get request
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data.add({content: 'Item 1'});
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data.add({content: 'Item 2'});
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assert.notStrictEqual(data.get()[0].id, undefined);
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// create a dataset with initial data
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var data = new DataSet([
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{id: 1, content: 'Item 1', start: new Date(now.valueOf())},
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{id: 2, content: 'Item 2', start: now.toISOString()}
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]);
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assert.deepEqual(data.getIds(), [1, 2]);
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// create a dataset with initial data and options
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var data = new DataSet([
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{_id: 1, content: 'Item 1', start: new Date(now.valueOf())},
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{_id: 2, content: 'Item 2', start: now.toISOString()}
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], {fieldId: '_id'});
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assert.deepEqual(data.getIds(), [1, 2]);
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// TODO: extensively test DataSet
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// TODO: test subscribing to events
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});
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it('should queue and flush changes', function () {
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var options = {queue: true};
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var dataset = new DataSet([
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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], options);
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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]);
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dataset.add({id: 3, content: 'Item 3'});
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dataset.update({id: 1, content: 'Item 1 (updated)'});
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dataset.remove(2);
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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]);
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dataset.flush();
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1 (updated)'},
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{id: 3, content: 'Item 3'}
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]);
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});
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it('should queue and flush changes after a timeout', function (done) {
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var options = {queue: {delay: 100}};
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var dataset = new DataSet([
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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], options);
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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]);
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dataset.add({id: 3, content: 'Item 3'});
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dataset.update({id: 1, content: 'Item 1 (updated)'});
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dataset.remove(2);
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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]);
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setTimeout(function () {
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1 (updated)'},
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{id: 3, content: 'Item 3'}
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]);
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done();
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}, 200)
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});
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it('should remove a queue from the dataset', function () {
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var options = {queue: true};
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var dataset = new DataSet([
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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], options);
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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]);
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dataset.add({id: 3, content: 'Item 3'});
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dataset.update({id: 1, content: 'Item 1 (updated)'});
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dataset.remove(2);
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1'},
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{id: 2, content: 'Item 2'}
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]);
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dataset.setOptions({queue: false}); // remove queue, should flush changes
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1 (updated)'},
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{id: 3, content: 'Item 3'}
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]);
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dataset.add({id: 4, content: 'Item 4'});
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assert.deepEqual(dataset.get(), [
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{id: 1, content: 'Item 1 (updated)'},
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{id: 3, content: 'Item 3'},
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{id: 4, content: 'Item 4'}
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]);
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});
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describe('add', function () {
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it('adds nothing for an empty array', function () {
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var dataset = new DataSet([]);
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var dataItems = [];
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assert.equal(dataset.add(dataItems).length, 0)
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});
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it('adds items of an array', function () {
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var dataset = new DataSet([]);
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var dataItems = [
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{_id: 1, content: 'Item 1', start: new Date(now.valueOf())},
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{_id: 2, content: 'Item 2', start: new Date(now.valueOf())}
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];
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assert.equal(dataset.add(dataItems).length, 2)
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});
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it('adds a single object', function () {
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var dataset = new DataSet([]);
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var dataItem = {_id: 1, content: 'Item 1', start: new Date(now.valueOf())};
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assert.equal(dataset.add(dataItem).length, 1)
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});
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it('throws an error when passed bad datatypes', function () {
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var dataset = new DataSet([]);
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assert.throws(function () { dataset.add(null) }, Error, "null type throws error");
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assert.throws(function () { dataset.add(undefined) }, Error, "undefined type throws error");
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});
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});
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describe('setOptions', function () {
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var dataset = new DataSet([
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{_id: 1, content: 'Item 1', start: new Date(now.valueOf())}
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], {queue: true});
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it('does not update queue when passed an undefined queue', function () {
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var dataset = new DataSet([], {queue: true});
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dataset.setOptions({queue: undefined});
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assert.notEqual(dataset._queue, undefined)
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});
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it('destroys the queue when queue set to false', function () {
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var dataset = new DataSet([]);
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dataset.setOptions({queue: false});
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assert.equal(dataset._queue, undefined)
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});
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it('udpates queue options', function () {
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var dataset = new DataSet([]);
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dataset.setOptions({queue: {max: 5, delay: 3}});
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assert.equal(dataset._queue.max, 5);
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assert.equal(dataset._queue.delay, 3);
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});
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it('creates new queue given if none is set', function () {
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var dataset = new DataSet([], {queue: true});
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dataset._queue.destroy();
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dataset._queue = null;
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dataset.setOptions({queue: {max: 5, delay: 3}});
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assert.equal(dataset._queue.max, 5);
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assert.equal(dataset._queue.delay, 3);
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});
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});
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describe('on / off', function () {
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var dataset = new DataSet([
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{_id: 1, content: 'Item 1', start: new Date(now.valueOf())}
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]);
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var count = 0;
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function inc() {count++;}
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it('fires for put', function () {
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var dataset = new DataSet([]);
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count = 0;
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// on
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dataset.on('add', inc);
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dataset.add({_id: 1, content: 'Item 1', start: new Date(now.valueOf())});
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assert.equal(count, 1);
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// off
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dataset.off('add', inc);
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dataset.add({_id: 2, content: 'Item 2', start: new Date(now.valueOf())});
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assert.equal(count, 1);
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});
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it('fires for remove', function () {
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var dataset = new DataSet([]);
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count = 0;
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// on
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dataset.on('remove', inc);
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var id = dataset.add({_id: 1, content: 'Item 1', start: new Date(now.valueOf())});
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dataset.remove(id);
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assert.equal(count, 1);
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// off
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dataset.off('remove', inc);
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id = dataset.add({_id: 1, content: 'Item 1', start: new Date(now.valueOf())});
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dataset.remove(id);
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assert.equal(count, 1);
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});
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it('fires for update', function () {
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var dataset = new DataSet([]);
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count = 0;
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// on
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dataset.on('update', inc);
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var id = dataset.add({_id: 1, content: 'Item 1', start: new Date(now.valueOf())});
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dataset.update({id: id, content: 'beep boop'});
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assert.equal(count, 1);
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// off
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dataset.off('update', inc);
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id = dataset.add({_id: 1, content: 'Item 1', start: new Date(now.valueOf())});
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dataset.update({id: id, content: 'beep boop'});
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assert.equal(count, 1);
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});
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});
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});
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