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147 lines
3.4 KiB
147 lines
3.4 KiB
var assert = require('assert'),
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moment = require('moment'),
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vis = require('../vis.js'),
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DataSet = vis.DataSet;
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var now = new Date();
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var data = new DataSet({
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fieldTypes: {
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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(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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// cast dates
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assert.deepEqual(data.get({
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fields: ['id', 'start'],
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fieldTypes: {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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fieldTypes: {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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// 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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// update an item
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data.update({id: 5, content: 'changed!'}); // update item (extend existing fields)
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data.remove(3); // remove existing item
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data.add({id: 3, other: 'bla'}); // add new item
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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.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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data.clear();
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assert.equal(data.get().length, 0);
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// test filtering and sorting
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data = new vis.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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// TODO: extensively test DataSet
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