Files
standardnotes-app-web/app/assets/javascripts/Utils/StringUtils.spec.ts
2022-04-13 22:02:34 +05:30

62 lines
2.1 KiB
TypeScript

import { getIndexOfQueryInString, splitQueryInString, splitRangeWithinString } from './StringUtils'
describe('string utils', () => {
describe('splitRangeWithinString', () => {
it('should return whole string if range is invalid or out of bounds', () => {
const string = 'test-string'
const outOfBoundsStartResult = splitRangeWithinString(string, 15, 0)
expect(outOfBoundsStartResult).toStrictEqual(['test-string'])
const outOfBoundsEndResult = splitRangeWithinString(string, 0, -15)
expect(outOfBoundsEndResult).toStrictEqual(['test-string'])
const invalidRangeResult = splitRangeWithinString(string, 15, 0)
expect(invalidRangeResult).toStrictEqual(['test-string'])
})
it('should return split string if range is valid', () => {
const string = 'test-string'
const case1 = splitRangeWithinString(string, 0, 3)
expect(case1).toStrictEqual(['tes', 't-string'])
const case2 = splitRangeWithinString(string, 2, 6)
expect(case2).toStrictEqual(['te', 'st-s', 'tring'])
const case3 = splitRangeWithinString(string, 4, 9)
expect(case3).toStrictEqual(['test', '-stri', 'ng'])
})
})
describe('getIndexOfQueryInString', () => {
it('should get correct index of query in string', () => {
const string = 'tEsT-sTrInG'
const indexOfQuery1 = getIndexOfQueryInString(string, 'tRi')
expect(indexOfQuery1).toBe(6)
const indexOfQuery2 = getIndexOfQueryInString(string, 'StR')
expect(indexOfQuery2).toBe(5)
const indexOfQuery3 = getIndexOfQueryInString(string, 'stringUtils')
expect(indexOfQuery3).toBe(-1)
})
})
describe('splitQueryInString', () => {
it('should split string if it includes the query', () => {
const string = 'TeSt-StRiNg'
const query1Result = splitQueryInString(string, 'T-sTr')
expect(query1Result).toStrictEqual(['TeS', 't-StR', 'iNg'])
const query2Result = splitQueryInString(string, 'InG')
expect(query2Result).toStrictEqual(['TeSt-StR', 'iNg'])
const query3Result = splitQueryInString(string, 'invalid query')
expect(query3Result).toStrictEqual(['TeSt-StRiNg'])
})
})
})