Unit teting added with Jest

Author: Jobinjose01

.gitignore

@@ -1,5 +1,6 @@
 node_modules
 dist
-logs/*
+coverage
+src/logs/*
 # Keep environment variables out of version control
 .env

jest.config.js

@@ -0,0 +1,15 @@
+module.exports = {
+    preset: 'ts-jest',
+    testEnvironment: 'node',
+    roots: ['<rootDir>/src'],
+    collectCoverage: true,
+    coverageDirectory: 'coverage',
+    coverageReporters: ['json', 'lcov', 'text', 'clover'],
+    coveragePathIgnorePatterns: ['/node_modules/', '/dist/'],
+    testPathIgnorePatterns: ['/node_modules/', '/dist/'],
+    moduleFileExtensions: ['ts', 'js'],
+    transform: {
+      '^.+\\.(ts|tsx)$': 'ts-jest',
+    },
+  };
+