Refactor tests (#30)

* Renamed node.js.yml to build.yml

* Moved test files

1. Moved `tests/1/` and `tests/2/` to `src/1/__tests__/` and `src/2/__tests__/` respectively
2. Updated relative imports
3. Updated test file paths

* Moved test files for challenge 3, updated README for challenge 3

* Updated readme for challenge 1 and challenge 2

* Moved tests for challenge 4. Updated readme for challenge 4

* Updated readme and tests for challenge 5

* Updated tests and readme for challenge 6

* Updated tests and readme for challenge 7

* Updated tests and readme for challenge 8

* Updated test files and readme for challenge 9

* Updated tests and readme for challenge 10

* Updated readme and tests for challenge 11

* Updated tests and readme for challenge 13

* Updated readme and tests for challenge 14

* Updated tests and readme for challenge 15

* Updated tests and readme for challenge 16

* Updated readme and tests for challenge 17. Updated jest config file

* Updated comments for challenge 1 tests. Updated global readme.

* Updated tests for grep. Using LINUX path systems everywhere.

* Updated path to shell.js, added console statements in cat.test.ts

* Fixed challenge 14 and 15, updated readme for challenge 19

The challenges were referring to the `.js` file present in `./build/src` folders. Since the `tests` folder was removed, now there is no `src` folder present and we can directly using `./build` folder to refer to the `.js` files

Author: jainmohit2001

.github/workflows/node.js.yml renamed to .github/workflows/build.yml

@@ -1,5 +1,5 @@
 module.exports = {
-  roots: ['<rootDir>/src', '<rootDir>/tests'],
+  roots: ['<rootDir>/src'],
   testMatch: [
     '**/__tests__/**/*.+(ts|tsx|js)',
     '**/?(*.)+(spec|test).+(ts|tsx|js)'

README.md

@@ -1,8 +1,12 @@
 import { execSync } from 'child_process';
 import fs from 'fs';
-import { myWC } from '../../src/1/wc';
+import { myWC } from '../wc';
+import path from 'path';
 
-const filePaths = ['./tests/1/test1.txt', './tests/1/test2.txt'];
+const filePaths = [
+  path.join(__dirname, 'test1.txt'),
+  path.join(__dirname, 'test2.txt')
+];
 
 describe('Testing with filenames', () => {
   filePaths.forEach((filePath) => {
@@ -11,7 +15,7 @@ describe('Testing with filenames', () => {
       .trim()
       .replace(/ +(?= )/g, '')
       .split(' ');
-    // Sample output - 0 0 0 ./tests/1/test1.txt
+    // Sample output - 0 0 0 ./src/1/__tests__/test1.txt
 
     const l = output[0];
     const w = output[1];
@@ -57,7 +61,7 @@ describe('Testing without filename', () => {
       .trim()
       .replace(/ +(?= )/g, '')
       .split(' ');
-    // Sample output - 0 0 0 ./tests/1/test1.txt
+    // Sample output - 0 0 0 ./src/1/__tests__/test1.txt
 
     const l = output[0];
     const w = output[1];