Add ts-jest and jest tests for utils

package.json

@@ -23,6 +23,7 @@
     "@types/node": "^9.6.0",
     "@types/react": "^16.0.41",
     "@types/react-dom": "^16.0.4",
+    "ts-jest": "^22.4.2",
     "typescript": "^2.7.2"
   }
 }

src/Utils/index.test.ts

@@ -0,0 +1,43 @@
+import * as moment from 'moment-timezone';
+import { Utils, IndiaTZName } from './utils';
+
+test('createTodayDateInIndiaTZ creates in India tz', () => {
+    const todayWithUtils = Utils.createTodayDateInIndiaTZ();
+    expect(todayWithUtils.tz().toLowerCase()).toBe(IndiaTZName.toLowerCase());
+});
+
+test('checkSameDayInSameTZ returns true for same day', () => {
+    const tomorrow = moment.tz().add(1, 'd');
+    const tomorrow2 = moment.tz().add(2, 'd').subtract(1, 'd');
+
+    expect(Utils.checkSameDayInSameTZ(tomorrow, tomorrow)).toBe(true);
+    expect(Utils.checkSameDayInSameTZ(tomorrow, tomorrow2)).toBe(true);
+});
+
+test('numberToMaxFixed removes zeroes after decimals', () => {
+    const testNumber = 20.00;
+
+    expect(testNumber.toFixed(3)).not.toBe('20');
+    expect(Utils.numberToMaxFixed(testNumber, 3)).toBe('20');
+});
+
+test('numberToMaxFixed works like number.ToFixed for non-zero after decimal numbers', () => {
+    const testNumber = 20.1234;
+    
+    expect(testNumber.toFixed(3)).toBe('20.123');
+    expect(Utils.numberToMaxFixed(testNumber, 3)).toBe('20.123');
+});
+
+test('stringToNormalCase returns normal case string for non-empty string', () => {
+    const testString = 'hello there';
+    const expectedString = 'Hello there';
+    
+    expect(Utils.stringToNormalCase(testString)).toBe(expectedString);
+});
+
+test('stringToNormalCase returns empty string for empty string', () => {
+    const testString = '';
+    const expectedString = '';
+    
+    expect(Utils.stringToNormalCase(testString)).toBe(expectedString);
+});

yarn.lock

@@ -709,7 +709,7 @@ babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
+babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1, babel-plugin-transform-es2015-modules-commonjs@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.0.tgz#0d8394029b7dc6abe1a97ef181e00758dd2e5d8a"
   dependencies:
@@ -909,7 +909,7 @@ babel-preset-flow@^6.23.0:
   dependencies:
     babel-plugin-transform-flow-strip-types "^6.22.0"
 
-babel-preset-jest@^22.0.1, babel-preset-jest@^22.4.3:
+babel-preset-jest@^22.0.1, babel-preset-jest@^22.4.0, babel-preset-jest@^22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.3.tgz#e92eef9813b7026ab4ca675799f37419b5a44156"
   dependencies:
@@ -3834,7 +3834,7 @@ jest-cli@^22.1.4:
     which "^1.2.12"
     yargs "^10.0.3"
 
-jest-config@^22.0.1, jest-config@^22.4.3:
+jest-config@^22.0.1, jest-config@^22.4.2, jest-config@^22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.3.tgz#0e9d57db267839ea31309119b41dc2fa31b76403"
   dependencies:
@@ -6840,6 +6840,20 @@ ts-jest@22.0.1:
     source-map-support "^0.5.0"
     yargs "^10.0.3"
 
+ts-jest@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.4.2.tgz#2137bc0899b14dfb1d58257ee10b18ab8a2d92c5"
+  dependencies:
+    babel-core "^6.26.0"
+    babel-plugin-istanbul "^4.1.4"
+    babel-plugin-transform-es2015-modules-commonjs "^6.26.0"
+    babel-preset-jest "^22.4.0"
+    cpx "^1.5.0"
+    fs-extra "4.0.3"
+    jest-config "^22.4.2"
+    pkg-dir "^2.0.0"
+    yargs "^11.0.0"
+
 ts-loader@^2.3.7:
   version "2.3.7"
   resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-2.3.7.tgz#a9028ced473bee12f28a75f9c5b139979d33f2fc"
@@ -7465,6 +7479,12 @@ yargs-parser@^8.1.0:
   dependencies:
     camelcase "^4.1.0"
 
+yargs-parser@^9.0.2:
+  version "9.0.2"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-9.0.2.tgz#9ccf6a43460fe4ed40a9bb68f48d43b8a68cc077"
+  dependencies:
+    camelcase "^4.1.0"
+
 yargs@^10.0.3:
   version "10.1.2"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.1.2.tgz#454d074c2b16a51a43e2fb7807e4f9de69ccb5c5"
@@ -7482,6 +7502,23 @@ yargs@^10.0.3:
     y18n "^3.2.1"
     yargs-parser "^8.1.0"
 
+yargs@^11.0.0:
+  version "11.0.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-11.0.0.tgz#c052931006c5eee74610e5fc0354bedfd08a201b"
+  dependencies:
+    cliui "^4.0.0"
+    decamelize "^1.1.1"
+    find-up "^2.1.0"
+    get-caller-file "^1.0.1"
+    os-locale "^2.0.0"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^9.0.2"
+
 yargs@^6.6.0:
   version "6.6.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"