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merge: Fixed wordOccurrence algorithm (#909)

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* resolved: upgrade the algoritm

* docs: add js doc
This commit is contained in:
Fahim Faisaal
2022-03-02 11:13:01 +06:00
committed by GitHub
parent 378d4abebc
commit eb748ae78d
2 changed files with 33 additions and 32 deletions
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34
String/test/CheckWordOcurrence.test.js
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@ -1,33 +1,29 @@
import { checkWordOccurrence } from '../CheckWordOccurrence'
describe('checkWordOccurrence', () => {
describe('Testing checkWordOccurrence', () => {
it('expects throw on insert wrong string', () => {
const value = 123
expect(() => checkWordOccurrence(value)).toThrow()
})
it('expect throw on insert wrong param for case sensitive', () => {
const value = 'hello'
expect(() => checkWordOccurrence(value, value)).toThrow()
})
it('check occurrence with case sensitive', () => {
const stringToTest = 'A Mad World'
const charsOccurrences = checkWordOccurrence(stringToTest, true)
const expectResult = { A: 1, M: 1, a: 1, d: 2, W: 1, l: 1, o: 1, r: 1 }
const occurrencesObjectKeys = Object.keys(charsOccurrences)
const expectObjectKeys = Object.keys(expectResult)
expect(occurrencesObjectKeys.length).toBe(expectObjectKeys.length)
expectObjectKeys.forEach(key => {
expect(expectResult[key]).toBe(charsOccurrences[key])
})
const stringToTest = 'The quick brown fox jumps over the lazy dog'
const expectResult = { The: 1, quick: 1, brown: 1, fox: 1, jumps: 1, over: 1, the: 1, lazy: 1, dog: 1 }
expect(checkWordOccurrence(stringToTest)).toEqual(expectResult)
})
it('check occurrence with case insensitive', () => {
const stringToTest = 'A Mad World'
const charsOccurrences = checkWordOccurrence(stringToTest, false)
const expectResult = { A: 2, D: 2, L: 1, M: 1, O: 1, R: 1, W: 1 }
const occurrencesObjectKeys = Object.keys(charsOccurrences)
const expectObjectKeys = Object.keys(expectResult)
expect(occurrencesObjectKeys.length).toBe(expectObjectKeys.length)
expectObjectKeys.forEach(key => {
expect(expectResult[key]).toBe(charsOccurrences[key])
})
const stringToTest = 'The quick brown fox jumps over the lazy dog'
const expectResult = { the: 2, quick: 1, brown: 1, fox: 1, jumps: 1, over: 1, lazy: 1, dog: 1 }
expect(checkWordOccurrence(stringToTest, true)).toEqual(expectResult)
})
})