Add tests to Math (#423)

* Add prettier config

* test: add test to check for absolute function

* chore: es5 to es6

* test: add test to check mean function

* test: add test for sum of digit

* test: add test for factorial

* test: add test for fibonnaci

* test: add test for find HCF

* test: add test for lcm

* test: add gridget test

* test: add test for mean square error

* test: add test for modular binary exponentiation

* test: add tests for palindrome

* test: add test for pascals triangle

* test: add tests for polynomial

* test: add tests for prime check

* test: add tests for reverse polish notation

* test: add tests for sieve of eratosthenes

* test: add tests for pi estimation monte carlo method

* chore: move tests to test folder

* chore: fix standardjs errors

String/PatternMatching.js

@@ -24,7 +24,6 @@ const checkIfPatternExists = (text, pattern) => {
       // For each iteration of j check if the value of
       // j + 1 is equal to the length of the pattern
       if (j + 1 === patternLength) {
-        console.log(`Given pattern is found at index ${i}`)
         return `Given pattern is found at index ${i}`
       }
     }

String/test/CheckAnagram.test.js

@@ -1,4 +1,4 @@
-import { checkAnagram } from './CheckAnagram'
+import { checkAnagram } from '../CheckAnagram'
 
 describe('checkAnagram', () => {
   it.each`
@@ -18,7 +18,7 @@ describe('checkAnagram', () => {
   )
   it('expects to return "Not anagram" if the arguments have different lengths', () => {
     const SUT = checkAnagram('abs', 'abds')
-    expect(SUT).toBe('Not Anagram')
+    expect(SUT).toBe('Not anagrams')
   })
   it('expects to return "Not anagram" if the arguments are not anagrams', () => {
     const SUT = checkAnagram('abcs', 'abds')

String/test/CheckPalindrome.test.js

@@ -1,4 +1,4 @@
-import { checkPalindrome } from './CheckPalindrome'
+import { checkPalindrome } from '../CheckPalindrome'
 
 describe('checkPalindrome', () => {
   it('expects to return "Palindrome" if the given string is a palindrome', () => {

String/test/PatternMatching.test.js

@@ -1,4 +1,4 @@
-import { checkIfPatternExists } from './PatternMatching'
+import { checkIfPatternExists } from '../PatternMatching'
 describe('checkIfPatternExists', () => {
   it('expects to find a pattern with correct input', () => {
     const text = 'AABAACAADAABAAAABAA'
@@ -21,6 +21,8 @@ describe('checkIfPatternExists', () => {
   it('expects to throw an error message when given inpuut is not a string', () => {
     const text = 123444456
     const pattern = 123
-    expect(() => checkIfPatternExists(text, pattern)).toThrow('Given input is not a string')
+    expect(() => checkIfPatternExists(text, pattern)).toThrow(
+      'Given input is not a string'
+    )
   })
 })

String/test/ReverseString.test.js

@@ -1,7 +1,7 @@
 import {
   ReverseStringIterative,
   ReverseStringIterativeInplace
-} from './ReverseString'
+} from '../ReverseString'
 
 describe('ReverseStringIterative', () => {
   it('expects to reverse a simple string', () => {

String/test/ReverseWords.test.js

@@ -1,4 +1,4 @@
-import { reverseWords } from './ReverseWords'
+import { reverseWords } from '../ReverseWords'
 
 describe('reverseWords', () => {
   it('expects to reverse words to return a joined word', () => {