101 lines
3.4 KiB
TypeScript
101 lines
3.4 KiB
TypeScript
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import { alphabeticalSort, numericalSort } from './sorters';
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const rows = [
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{
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name: 'Deathstar Lamp',
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category: 'Lamp',
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cost: 75.99,
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},
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{
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name: 'Desk Lamp',
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category: 'Lamp',
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cost: 15.99,
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},
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{
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name: 'Bedside Lamp',
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category: 'Lamp',
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cost: 15.99,
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},
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{ name: 'Drafting Desk', category: 'Desk', cost: 125 },
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{ name: 'Sit / Stand Desk', category: 'Desk', cost: 275.99 },
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];
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/**
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* NOTE: Sorters for antd table use < 0, 0, > 0 for sorting
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* -1 or less means the first item comes after the second item
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* 0 means the items sort values is equivalent
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* 1 or greater means the first item comes before the second item
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*/
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test('alphabeticalSort sorts correctly', () => {
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expect(alphabeticalSort('name', rows[0], rows[1])).toBe(-1);
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expect(alphabeticalSort('name', rows[1], rows[0])).toBe(1);
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expect(alphabeticalSort('category', rows[1], rows[0])).toBe(0);
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});
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test('numericalSort sorts correctly', () => {
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expect(numericalSort('cost', rows[1], rows[2])).toBe(0);
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expect(numericalSort('cost', rows[1], rows[0])).toBeLessThan(0);
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expect(numericalSort('cost', rows[4], rows[1])).toBeGreaterThan(0);
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});
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/**
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* We want to make sure our sorters do not throw runtime errors given bad inputs.
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* Runtime Errors in a sorter will cause a catastrophic React lifecycle error and produce white screen of death
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* In the case the sorter cannot perform the comparison it should return undefined and the next sort step will proceed without error
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*/
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test('alphabeticalSort bad inputs no errors', () => {
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// @ts-ignore
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expect(alphabeticalSort('name', null, null)).toBe(undefined);
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// incorrect non-object values
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// @ts-ignore
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expect(alphabeticalSort('name', 3, [])).toBe(undefined);
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// incorrect object values without specified key
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expect(alphabeticalSort('name', {}, {})).toBe(undefined);
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// Object as value for name when it should be a string
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expect(
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alphabeticalSort(
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'name',
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{ name: { title: 'the name attribute should not be an object' } },
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{ name: 'Doug' },
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),
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).toBe(undefined);
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});
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test('numericalSort bad inputs no errors', () => {
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// @ts-ignore
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expect(numericalSort('name', undefined, undefined)).toBe(NaN);
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// @ts-ignore
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expect(numericalSort('name', null, null)).toBe(NaN);
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// incorrect non-object values
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// @ts-ignore
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expect(numericalSort('name', 3, [])).toBe(NaN);
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// incorrect object values without specified key
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expect(numericalSort('name', {}, {})).toBe(NaN);
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// Object as value for name when it should be a string
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expect(
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numericalSort(
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'name',
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{ name: { title: 'the name attribute should not be an object' } },
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{ name: 'Doug' },
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),
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).toBe(NaN);
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});
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