2021-10-03 17:28:17 +05:30
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import { checkWordOccurrence } from '../CheckWordOccurrence'
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2020-10-05 17:03:56 -03:00
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describe('checkWordOccurrence', () => {
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2020-10-05 23:52:21 -03:00
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it('expects throw on insert wrong string', () => {
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2020-10-06 00:08:52 -03:00
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const value = 123
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expect(() => checkWordOccurrence(value)).toThrow()
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})
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2020-10-05 23:52:21 -03:00
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it('expect throw on insert wrong param for case sensitive', () => {
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const value = 'hello'
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expect(() => checkWordOccurrence(value, value)).toThrow()
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})
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2020-10-05 23:52:21 -03:00
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it('check occurrence with case sensitive', () => {
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const stringToTest = 'A Mad World'
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const charsOccurrences = checkWordOccurrence(stringToTest, true)
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const expectResult = { A: 1, M: 1, a: 1, d: 2, W: 1, l: 1, o: 1, r: 1 }
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const occurrencesObjectKeys = Object.keys(charsOccurrences)
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const expectObjectKeys = Object.keys(expectResult)
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expect(occurrencesObjectKeys.length).toBe(expectObjectKeys.length)
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expectObjectKeys.forEach(key => {
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expect(expectResult[key]).toBe(charsOccurrences[key])
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})
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})
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2020-10-05 23:52:21 -03:00
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it('check occurrence with case insensitive', () => {
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2020-10-06 00:08:52 -03:00
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const stringToTest = 'A Mad World'
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const charsOccurrences = checkWordOccurrence(stringToTest, false)
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const expectResult = { A: 2, D: 2, L: 1, M: 1, O: 1, R: 1, W: 1 }
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const occurrencesObjectKeys = Object.keys(charsOccurrences)
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const expectObjectKeys = Object.keys(expectResult)
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expect(occurrencesObjectKeys.length).toBe(expectObjectKeys.length)
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2020-10-05 23:52:21 -03:00
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expectObjectKeys.forEach(key => {
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2020-10-06 00:08:52 -03:00
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expect(expectResult[key]).toBe(charsOccurrences[key])
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})
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})
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})
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