Added testing via Mocha

.mocharc.json

@@ -0,0 +1,4 @@
+{
+    "recursive": true,
+    "require": "esm"
+}

package.json

@@ -17,7 +17,8 @@
     "build-test": "run-s pack-dev",
     "pack-prod": "webpack --env production",
     "pack-dev": "webpack",
-        "remove-comment": "sed -i '' -e '/\\/\\/# sourceMappingURL.*/d' dist/CookieMonster.js"
+    "remove-comment": "sed -i '' -e '/\\/\\/# sourceMappingURL.*/d' dist/CookieMonster.js",
+    "test": "mocha"
   },
   "repository": {
     "type": "git",
@@ -46,13 +47,17 @@
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^4.21.0",
     "@typescript-eslint/parser": "^4.21.0",
+    "chai": "^4.3.4",
     "eslint": "^7.23.0",
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-config-prettier": "^8.1.0",
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-prettier": "^3.3.1",
+    "esm": "^3.2.25",
+    "mocha": "^8.3.2",
     "npm-run-all": "^4.1.5",
     "prettier": "2.2.1",
+    "sinon": "^10.0.0",
     "ts-loader": "^8.1.0",
     "typescript": "^4.2.3",
     "webpack": "^5.24.4",

test/Test_Disp/Test_BeautifyFormatting.js

@@ -1,11 +1,106 @@
-/* global describe, it */
-const { assert } = require('../../node_modules/chai/chai');
-const {
-  FormatTime,
-} = require('../../src/Disp/BeautifyAndFormatting/Beautify');
+import { before, describe, it } from 'mocha';
+import { assert } from 'chai';
+
+import FormatTime from '../../src/Disp/BeautifyAndFormatting/FormatTime';
+import { CMOptions } from '../../src/Config/VariablesAndData';
 
 describe('FormatTime', function () {
-  it('should return -1 when the value is not present', function () {
+  it('Format when time is Infinity', function () {
+    assert.equal(FormatTime(Infinity, 0), Infinity);
+  });
+  it('Format when time is negative', function () {
+    assert.equal(FormatTime(-1, 0), 'Negative time period');
+  });
+  describe('TimeFormat = 0', function () {
+    before(function () {
+      CMOptions.TimeFormat = 0;
+    });
+    describe('Longformat = 0', function () {
+      it('Format when time is 0', function () {
+        assert.equal(FormatTime(0, 0), '0s');
+      });
+      it('Format when time is 1 second', function () {
         assert.equal(FormatTime(1, 0), '1s');
       });
+      it('Format when time is over 1 minute', function () {
+        assert.equal(FormatTime(61, 0), '1m, 1s');
+      });
+      it('Format when time is over 1 hour', function () {
+        assert.equal(FormatTime(3601, 0), '1h, 0m, 1s');
+      });
+      it('Format when time is over 1 day', function () {
+        assert.equal(FormatTime(86401, 0), '1d, 0h, 0m, 1s');
+      });
+      it('Format when time is over 1 year', function () {
+        assert.equal(FormatTime(31536001, 0), '1y, 0d, 0h, 0m, 1s');
+      });
+      it('Format when time is over >9000 days', function () {
+        assert.equal(FormatTime(777600001, 0), '>9000d');
+      });
+      it('Format when time is over >99.9 years', function () {
+        assert.equal(FormatTime(3155760001, 0), '>9000d');
+      });
+    });
+    describe('Longformat = 1', function () {
+      it('Format when time is 0', function () {
+        assert.equal(FormatTime(0, 1), '0 seconds');
+      });
+      it('Format when time is 1 second', function () {
+        assert.equal(FormatTime(1, 1), '1 second');
+      });
+      it('Format when time is over 1 minute', function () {
+        assert.equal(FormatTime(61, 1), '1 minute, 1 second');
+      });
+      it('Format when time is over 1 hour', function () {
+        assert.equal(FormatTime(3601, 1), '1 hour, 0 minutes, 1 second');
+      });
+      it('Format when time is over 1 day', function () {
+        assert.equal(
+          FormatTime(86401, 1),
+          '1 day, 0 hours, 0 minutes, 1 second',
+        );
+      });
+      it('Format when time is over 1 year', function () {
+        assert.equal(
+          FormatTime(31536001, 1),
+          '1 year, 0 days, 0 hours, 0 minutes, 1 second',
+        );
+      });
+      it('Format when time is over >9000 days', function () {
+        assert.equal(FormatTime(777600001, 1), 'Over 9000 days!');
+      });
+      it('Format when time is over >99.9 years', function () {
+        assert.equal(FormatTime(3155760001, 1), 'Over 9000 days!');
+      });
+    });
+  });
+  describe('TimeFormat = 1', function () {
+    before(function () {
+      CMOptions.TimeFormat = 1;
+    });
+    it('Format when time is 0', function () {
+      assert.equal(FormatTime(0, 0), '00:00:00:00:00');
+    });
+    it('Format when time is 1 second', function () {
+      assert.equal(FormatTime(1, 0), '00:00:00:00:01');
+    });
+    it('Format when time is over 1 minute', function () {
+      assert.equal(FormatTime(61, 0), '00:00:00:01:01');
+    });
+    it('Format when time is over 1 hour', function () {
+      assert.equal(FormatTime(3601, 0), '00:00:01:00:01');
+    });
+    it('Format when time is over 1 day', function () {
+      assert.equal(FormatTime(86401, 0), '00:01:00:00:01');
+    });
+    it('Format when time is over 1 year', function () {
+      assert.equal(FormatTime(31536001, 0), '01:00:00:00:01');
+    });
+    it('Format when time is over >9000 days', function () {
+      assert.equal(FormatTime(777600001, 0), '24:240:00:00:01');
+    });
+    it('Format when time is over >99.9 years', function () {
+      assert.equal(FormatTime(3155760001, 0), 'XX:XX:XX:XX:XX');
+    });
+  });
 });