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Tests check vowels #691

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Merged
raklaptudirm merged 3 commits into from
Sep 20, 2021
Merged

Tests check vowels #691

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967f0e2
add tests to CheckVowels to cover additional inputs and edge cases
charliejmoore Sep 14, 2021
79900cd
Merge branch 'master' of github.com:charliejmoore/Javascript into tes…
charliejmoore Sep 19, 2021
2ee6d23
make line spacing consistent with other test files
charliejmoore Sep 19, 2021
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55 changes: 55 additions & 0 deletions String/CheckVowels.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,64 @@ describe('Test the checkVowels function', () => {
it('expect throws on use wrong param', () => {
expect(() => checkVowels(0)).toThrow()
})

it('count the vowels in a string', () => {
const value = 'Mad World'
const countVowels = checkVowels(value)
expect(countVowels).toBe(2)
})

it('should return 0 when input is a string with no vowels', () => {
const value = 'bcdfgh'
const countVowels = checkVowels(value)
expect(countVowels).toBe(0)
})

it('should return 1 when input is a string of length 1 that is a vowel', () => {
const value = 'a'
const countVowels = checkVowels(value)
expect(countVowels).toBe(1)
})

it('should return the correct result when input is in all uppercase letters', () => {
const value = 'ABCDE'
const countVowels = checkVowels(value)
expect(countVowels).toBe(2)
})

it('should return the correct result when input is in all lowercase letters', () => {
const value = 'abcdefghi'
const countVowels = checkVowels(value)
expect(countVowels).toBe(3)
})

it('should return the correct result when input string contains spaces', () => {
const value = 'abc def ghi'
const countVowels = checkVowels(value)
expect(countVowels).toBe(3)
})

it('should return the correct result when input contains number characters', () => {
const value = 'a1b2c3'
const countVowels = checkVowels(value)
expect(countVowels).toBe(1)
})

it('should return the correct result when input contains punctuation characters', () => {
const value = 'a!b.ce)'
const countVowels = checkVowels(value)
expect(countVowels).toBe(2)
})

it('should return 0 when the input is an empty string', () => {
const value = ''
const countVowels = checkVowels(value)
expect(countVowels).toBe(0)
})

it('should count multiple occurances of the same vowel in the input', () => {
const value = 'aaaaa'
const countVowels = checkVowels(value)
expect(countVowels).toBe(5)
})
})