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Tests for check flat case #689

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Merged
raklaptudirm merged 6 commits into from
Sep 19, 2021
Merged

Tests for check flat case #689

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da8184a
update function documentation and name to match js convention
charliejmoore Sep 14, 2021
e5f5223
add additional documentation explaining what the function does
charliejmoore Sep 14, 2021
3dec6d6
add tests for checkFlatCase function
charliejmoore Sep 14, 2021
3d7bdfa
Merge branch 'TheAlgorithms:master' into tests-check-flat-case
charliejmoore Sep 14, 2021
016051b
fix standard.js errors
charliejmoore Sep 18, 2021
2ee2546
Merge branch 'tests-check-flat-case' of github.com:charliejmoore/Java…
charliejmoore Sep 18, 2021
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14 changes: 8 additions & 6 deletions String/CheckFlatCase.js
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Original file line number Diff line number Diff line change
@@ -1,13 +1,15 @@
// CheckFlatCase method checks the given string is in flatcase or not.
// checkFlatCase method checks if the given string is in flatcase or not. Flatcase is a convention
// where all letters are in lowercase, and there are no spaces between words.
// thisvariable is an example of flatcase. In camelCase it would be thisVariable, snake_case this_variable and so on.

// Problem Source & Explanation: https://en.wikipedia.org/wiki/Naming_convention_(programming)

/**
* CheckFlatCase method returns true if the string in flatcase, else return the false.
* @param {String} varname the name of the variable to check.
* @returns `Boolean` return true if the string is in flatcase, else return false.
* checkFlatCase method returns true if the string in flatcase, else return the false.
* @param {string} varname the name of the variable to check.
* @returns {boolean} return true if the string is in flatcase, else return false.
*/
const CheckFlatCase = (varname) => {
const checkFlatCase = (varname) => {
// firstly, check that input is a string or not.
if (typeof varname !== 'string') {
return new TypeError('Argument is not a string.')
Expand All @@ -17,4 +19,4 @@ const CheckFlatCase = (varname) => {
return pat.test(varname)
}

module.exports = CheckFlatCase
export { checkFlatCase }
18 changes: 18 additions & 0 deletions String/test/CheckFlatCase.test.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
import { checkFlatCase } from '../CheckFlatCase'

describe('checkFlatCase function', () => {
it('should return false when the input string is not in flatcase', () => {
const actual = checkFlatCase('this is not in flatcase')
expect(actual).toBe(false)
})

it('should return true when the input string is a single letter character', () => {
const actual = checkFlatCase('a')
expect(actual).toBe(true)
})

it('should return true when the input string is a string of lowercase letter characters with no spaces', () => {
const actual = checkFlatCase('abcdefghijklmnopqrstuvwxyz')
expect(actual).toBe(true)
})
})