From ea9882256ea3f3d737f9104fca185d33cef0a80d Mon Sep 17 00:00:00 2001
From: Clemens Schwaighofer <clemens.schwaighofer@egplusww.com>
Date: Fri, 7 Mar 2025 17:24:52 +0900
Subject: [PATCH] Adding vitest for testing

Currently implemented

- FormatBytes
- MathHelpers
---
 ReadMe.md                 |  34 +-
 build/test.html           |  29 ++
 package-lock.json         | 873 +++++++++++++++++++++++++++++++++++++-
 package.json              |   5 +-
 src/utils/FormatBytes.mjs |  28 +-
 src/utils/MathHelpers.mjs |   8 +-
 tests/FormatBytes.test.js |  81 ++++
 tests/MathHelpers.test.js |  30 ++
 8 files changed, 1071 insertions(+), 17 deletions(-)
 create mode 100644 tests/FormatBytes.test.js
 create mode 100644 tests/MathHelpers.test.js

diff --git a/ReadMe.md b/ReadMe.md
index 69c2d40..de22e4c 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -95,24 +95,24 @@ Parse URL for looking up entries in the paramegter list
 
 ## Build
 
-Build with the following commands, the output will be stored in "build/js/utilsAll.js" and "build/js/utilsAll.min.js"
+Build with the following commands, the output will be stored in "build/js/output/utils.js" and "build/js/output/utils.min.js"
 
 For full not minified version
 
 ```sh
-npm build utilsAll-build
+npm build utils-build
 ```
 
 For minified build (but keeps the function names as is)
 
 ```sh
-npm build utilsAll-min-build
+npm build utils-min-build
 ```
 
 Or build both at the same time
 
 ```sh
-npm build utilsAll-build-all
+npm build utils-build-all
 ```
 
 ## Develop
@@ -126,5 +126,29 @@ npm install
 Run watch
 
 ```sh
-npm run utilsAll-develop
+npm run utils-develop
 ```
+
+## Test
+
+A simple test script is located in "build/test.html"
+
+### General function tests
+
+vitest is used for all usage tests
+
+```sh
+npx vitest
+```
+
+Currently covered:
+
+- FormatBytes
+- MathHelpers
+
+TODO:
+
+- JavaScriptHelpers
+- StringHelpers
+- UniqIdGenerators
+- UrlParser
diff --git a/build/test.html b/build/test.html
index 5059541..75b06c1 100644
--- a/build/test.html
+++ b/build/test.html
@@ -13,6 +13,29 @@
 </div>
 </body>
 <script languagae="JavaScript">
+
+/**
+ * converts a int number into bytes with prefix in two decimals precision
+ * currently precision is fixed, if dynamic needs check for max/min precision
+ * @param  {Number|BigInt} bytes bytes in int
+ * @return {String}       string in GB/MB/KB
+ */
+function _formatBytes(bytes)
+{
+	var i = -1;
+	// If this ia bigint -> convert to number, we need the decimals
+	if (typeof bytes === "bigint") {
+		bytes = Number(bytes);
+	}
+	do {
+		bytes = bytes / 1024;
+		i++;
+	} while (bytes > 99);
+	return (
+		Math.round(bytes * Math.pow(10, 2)) / Math.pow(10, 2)
+	) + ['kB', 'MB', 'GB', 'TB', 'PB', 'EB'][i];
+}
+
 document.addEventListener('DOMContentLoaded', function() {
 	console.log('JavaScript Utils Test');
 	let el = document.getElementById('test-div');
@@ -24,9 +47,15 @@ document.addEventListener('DOMContentLoaded', function() {
 	el.innerHTML = '';
 	el.innerHTML += '<div>randomIdF: ' + randomIdF() + '</div>';
 	el.innerHTML += '<div>getWindowSize: ' + JSON.stringify(getWindowSize()) + '</div>';
+	el.innerHTML += '<div>roundPrecision: ' + roundPrecision(10.1234, 2) + '</div>';
+	el.innerHTML += '<div>getRandomIntInclusive: ' + getRandomIntInclusive(1, 5) + '</div>';
 	el.innerHTML += '<div>formatBytes: ' + formatBytes(bytes) + '</div>';
 	el.innerHTML += '<div>formatBytesLong: ' + formatBytesLong(bytes) + '</div>';
 
+	// el.innerHTML += '<div>_formatBytes: ' + _formatBytes(1024n) + '</div>';
+	el.innerHTML += '<div>_formatBytes: ' + _formatBytes(1021152n) + '</div>';
+	el.innerHTML += '<div>_formatBytes: ' + _formatBytes(1021152) + '</div>';
+
 	// console.log('TR: %s', l10n.__('Original'));
 	// console.log('TR: %s', l10n.__('Not exists'));
 });
diff --git a/package-lock.json b/package-lock.json
index a6cda9a..5a3f964 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,8 @@
 				"@types/jquery": "^3.5.32",
 				"esbuild": "^0.25.0",
 				"eslint": "^9.20.1",
-				"globals": "^15.15.0"
+				"globals": "^15.15.0",
+				"vitest": "^3.0.8"
 			}
 		},
 		"node_modules/@esbuild/aix-ppc64": {
@@ -647,6 +648,279 @@
 				"url": "https://github.com/sponsors/nzakas"
 			}
 		},
+		"node_modules/@jridgewell/sourcemap-codec": {
+			"version": "1.5.0",
+			"resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.0.tgz",
+			"integrity": "sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ==",
+			"dev": true,
+			"license": "MIT"
+		},
+		"node_modules/@rollup/rollup-android-arm-eabi": {
+			"version": "4.34.9",
+			"resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.34.9.tgz",
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+			"cpu": [
+				"arm"
+			],
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+			"license": "MIT",
+			"optional": true,
+			"os": [
+				"android"
+			]
+		},
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+			"cpu": [
+				"arm64"
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+			]
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+			"license": "MIT",
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+			]
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+			"resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.34.9.tgz",
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+				"x64"
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+				"freebsd"
+			]
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+			"optional": true,
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+				"win32"
+			]
+		},
+		"node_modules/@rollup/rollup-win32-ia32-msvc": {
+			"version": "4.34.9",
+			"resolved": "https://registry.npmjs.org/@rollup/rollup-win32-ia32-msvc/-/rollup-win32-ia32-msvc-4.34.9.tgz",
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+			"cpu": [
+				"ia32"
+			],
+			"dev": true,
+			"license": "MIT",
+			"optional": true,
+			"os": [
+				"win32"
+			]
+		},
+		"node_modules/@rollup/rollup-win32-x64-msvc": {
+			"version": "4.34.9",
+			"resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-msvc/-/rollup-win32-x64-msvc-4.34.9.tgz",
+			"integrity": "sha512-AyleYRPU7+rgkMWbEh71fQlrzRfeP6SyMnRf9XX4fCdDPAJumdSBqYEcWPMzVQ4ScAl7E4oFfK0GUVn77xSwbw==",
+			"cpu": [
+				"x64"
+			],
+			"dev": true,
+			"license": "MIT",
+			"optional": true,
+			"os": [
+				"win32"
+			]
+		},
 		"node_modules/@types/estree": {
 			"version": "1.0.6",
 			"resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.6.tgz",
@@ -678,6 +952,119 @@
 			"dev": true,
 			"license": "MIT"
 		},
+		"node_modules/@vitest/expect": {
+			"version": "3.0.8",
+			"resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-3.0.8.tgz",
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+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"@vitest/spy": "3.0.8",
+				"@vitest/utils": "3.0.8",
+				"chai": "^5.2.0",
+				"tinyrainbow": "^2.0.0"
+			},
+			"funding": {
+				"url": "https://opencollective.com/vitest"
+			}
+		},
+		"node_modules/@vitest/mocker": {
+			"version": "3.0.8",
+			"resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-3.0.8.tgz",
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+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"@vitest/spy": "3.0.8",
+				"estree-walker": "^3.0.3",
+				"magic-string": "^0.30.17"
+			},
+			"funding": {
+				"url": "https://opencollective.com/vitest"
+			},
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+				"msw": "^2.4.9",
+				"vite": "^5.0.0 || ^6.0.0"
+			},
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+					"optional": true
+				},
+				"vite": {
+					"optional": true
+				}
+			}
+		},
+		"node_modules/@vitest/pretty-format": {
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+				"url": "https://opencollective.com/vitest"
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+			"dev": true,
+			"license": "MIT",
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+			"funding": {
+				"url": "https://opencollective.com/vitest"
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+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
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+			"funding": [
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+					"url": "https://github.com/sponsors/ai"
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+					"url": "https://opencollective.com/postcss/"
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+					"url": "https://tidelift.com/funding/github/npm/postcss"
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+			"license": "MIT",
+			"engines": {
+				"node": ">=14.0.0"
+			}
+		},
 		"node_modules/type-check": {
 			"version": "0.4.0",
 			"resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -1529,6 +2218,171 @@
 				"punycode": "^2.1.0"
 			}
 		},
+		"node_modules/vite": {
+			"version": "6.2.1",
+			"resolved": "https://registry.npmjs.org/vite/-/vite-6.2.1.tgz",
+			"integrity": "sha512-n2GnqDb6XPhlt9B8olZPrgMD/es/Nd1RdChF6CBD/fHW6pUyUTt2sQW2fPRX5GiD9XEa6+8A6A4f2vT6pSsE7Q==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"esbuild": "^0.25.0",
+				"postcss": "^8.5.3",
+				"rollup": "^4.30.1"
+			},
+			"bin": {
+				"vite": "bin/vite.js"
+			},
+			"engines": {
+				"node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+			},
+			"funding": {
+				"url": "https://github.com/vitejs/vite?sponsor=1"
+			},
+			"optionalDependencies": {
+				"fsevents": "~2.3.3"
+			},
+			"peerDependencies": {
+				"@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
+				"jiti": ">=1.21.0",
+				"less": "*",
+				"lightningcss": "^1.21.0",
+				"sass": "*",
+				"sass-embedded": "*",
+				"stylus": "*",
+				"sugarss": "*",
+				"terser": "^5.16.0",
+				"tsx": "^4.8.1",
+				"yaml": "^2.4.2"
+			},
+			"peerDependenciesMeta": {
+				"@types/node": {
+					"optional": true
+				},
+				"jiti": {
+					"optional": true
+				},
+				"less": {
+					"optional": true
+				},
+				"lightningcss": {
+					"optional": true
+				},
+				"sass": {
+					"optional": true
+				},
+				"sass-embedded": {
+					"optional": true
+				},
+				"stylus": {
+					"optional": true
+				},
+				"sugarss": {
+					"optional": true
+				},
+				"terser": {
+					"optional": true
+				},
+				"tsx": {
+					"optional": true
+				},
+				"yaml": {
+					"optional": true
+				}
+			}
+		},
+		"node_modules/vite-node": {
+			"version": "3.0.8",
+			"resolved": "https://registry.npmjs.org/vite-node/-/vite-node-3.0.8.tgz",
+			"integrity": "sha512-6PhR4H9VGlcwXZ+KWCdMqbtG649xCPZqfI9j2PsK1FcXgEzro5bGHcVKFCTqPLaNKZES8Evqv4LwvZARsq5qlg==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"cac": "^6.7.14",
+				"debug": "^4.4.0",
+				"es-module-lexer": "^1.6.0",
+				"pathe": "^2.0.3",
+				"vite": "^5.0.0 || ^6.0.0"
+			},
+			"bin": {
+				"vite-node": "vite-node.mjs"
+			},
+			"engines": {
+				"node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+			},
+			"funding": {
+				"url": "https://opencollective.com/vitest"
+			}
+		},
+		"node_modules/vitest": {
+			"version": "3.0.8",
+			"resolved": "https://registry.npmjs.org/vitest/-/vitest-3.0.8.tgz",
+			"integrity": "sha512-dfqAsNqRGUc8hB9OVR2P0w8PZPEckti2+5rdZip0WIz9WW0MnImJ8XiR61QhqLa92EQzKP2uPkzenKOAHyEIbA==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"@vitest/expect": "3.0.8",
+				"@vitest/mocker": "3.0.8",
+				"@vitest/pretty-format": "^3.0.8",
+				"@vitest/runner": "3.0.8",
+				"@vitest/snapshot": "3.0.8",
+				"@vitest/spy": "3.0.8",
+				"@vitest/utils": "3.0.8",
+				"chai": "^5.2.0",
+				"debug": "^4.4.0",
+				"expect-type": "^1.1.0",
+				"magic-string": "^0.30.17",
+				"pathe": "^2.0.3",
+				"std-env": "^3.8.0",
+				"tinybench": "^2.9.0",
+				"tinyexec": "^0.3.2",
+				"tinypool": "^1.0.2",
+				"tinyrainbow": "^2.0.0",
+				"vite": "^5.0.0 || ^6.0.0",
+				"vite-node": "3.0.8",
+				"why-is-node-running": "^2.3.0"
+			},
+			"bin": {
+				"vitest": "vitest.mjs"
+			},
+			"engines": {
+				"node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+			},
+			"funding": {
+				"url": "https://opencollective.com/vitest"
+			},
+			"peerDependencies": {
+				"@edge-runtime/vm": "*",
+				"@types/debug": "^4.1.12",
+				"@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
+				"@vitest/browser": "3.0.8",
+				"@vitest/ui": "3.0.8",
+				"happy-dom": "*",
+				"jsdom": "*"
+			},
+			"peerDependenciesMeta": {
+				"@edge-runtime/vm": {
+					"optional": true
+				},
+				"@types/debug": {
+					"optional": true
+				},
+				"@types/node": {
+					"optional": true
+				},
+				"@vitest/browser": {
+					"optional": true
+				},
+				"@vitest/ui": {
+					"optional": true
+				},
+				"happy-dom": {
+					"optional": true
+				},
+				"jsdom": {
+					"optional": true
+				}
+			}
+		},
 		"node_modules/which": {
 			"version": "2.0.2",
 			"resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -1545,6 +2399,23 @@
 				"node": ">= 8"
 			}
 		},
+		"node_modules/why-is-node-running": {
+			"version": "2.3.0",
+			"resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
+			"integrity": "sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"siginfo": "^2.0.0",
+				"stackback": "0.0.2"
+			},
+			"bin": {
+				"why-is-node-running": "cli.js"
+			},
+			"engines": {
+				"node": ">=8"
+			}
+		},
 		"node_modules/word-wrap": {
 			"version": "1.2.5",
 			"resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
diff --git a/package.json b/package.json
index d907567..4b5d2f7 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
 	"version": "1.0.0",
 	"main": "",
 	"scripts": {
-		"test": "echo \"Error: no test specified\" && exit 1",
+		"test": "node test test/Test*.js",
 		"utils-min-build": "node_modules/esbuild/bin/esbuild utils.min=src/utils.mjs --outdir=build/js/output/ --format=esm --bundle --charset=utf8 --tree-shaking=false --minify-whitespace --minify-syntax --sourcemap",
 		"utils-build": "node_modules/esbuild/bin/esbuild utils=src/utils.mjs --outdir=build/js/output/ --format=esm --bundle --charset=utf8 --tree-shaking=false",
 		"utils-build-all": "npm run utils-min-build && npm run utils-build",
@@ -17,6 +17,7 @@
 		"@types/jquery": "^3.5.32",
 		"esbuild": "^0.25.0",
 		"eslint": "^9.20.1",
-		"globals": "^15.15.0"
+		"globals": "^15.15.0",
+		"vitest": "^3.0.8"
 	}
 }
diff --git a/src/utils/FormatBytes.mjs b/src/utils/FormatBytes.mjs
index 5a717e7..0066262 100644
--- a/src/utils/FormatBytes.mjs
+++ b/src/utils/FormatBytes.mjs
@@ -9,12 +9,16 @@ export { formatBytes, formatBytesLong, stringByteFormat };
 /**
  * converts a int number into bytes with prefix in two decimals precision
  * currently precision is fixed, if dynamic needs check for max/min precision
- * @param  {Number} bytes bytes in int
+ * @param  {Number|BigInt} bytes bytes in int
  * @return {String}       string in GB/MB/KB
  */
 function formatBytes(bytes)
 {
 	var i = -1;
+	// If this ia bigint -> convert to number, we need the decimals
+	if (typeof bytes === "bigint") {
+		bytes = Number(bytes);
+	}
 	do {
 		bytes = bytes / 1024;
 		i++;
@@ -26,17 +30,26 @@ function formatBytes(bytes)
 
 /**
  * like formatBytes, but returns bytes for <1KB and not 0.n KB
- * @param  {Number} bytes bytes in int
+ * @param  {Number|BigInt} bytes bytes in int
  * @return {String}       string in GB/MB/KB
  */
 function formatBytesLong(bytes)
 {
+	// If this ia bigint -> convert to number, we need the decimals
+	if (typeof bytes === "bigint") {
+		bytes = Number(bytes);
+	}
 	if (isNaN(bytes)) {
 		return bytes.toString();
 	}
+	let negative = false;
+	if (bytes < 0) {
+		negative = true;
+		bytes *= -1;
+	}
 	var i = Math.floor(Math.log(bytes) / Math.log(1024));
 	var sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
-	return (
+	return (negative ? '-' : '') + (
 		(
 			bytes /
 			Math.pow(1024, i)
@@ -49,9 +62,10 @@ function formatBytesLong(bytes)
 /**
  * Convert a string with B/K/M/etc into a byte number
  * @param  {String|Number|Object} bytes Any string with B/K/M/etc
+ * @param  {Boolean}              raw   [default=false] Return not rounded values
  * @return {String|Number}              A byte number, or original string as is
  */
-function stringByteFormat(bytes)
+function stringByteFormat(bytes, raw=false)
 {
 	// if anything not string return
 	if (!(typeof bytes === 'string' || bytes instanceof String)) {
@@ -74,7 +88,11 @@ function stringByteFormat(bytes)
 			bytes = m1 * Math.pow(1024, valid_units.indexOf(m2));
 		}
 	}
-	return bytes;
+	// if we want to have the raw data returned
+	if (raw) {
+		return bytes;
+	}
+	return Math.round(bytes);
 }
 
 // __END__
diff --git a/src/utils/MathHelpers.mjs b/src/utils/MathHelpers.mjs
index a52c36f..cff6c6c 100644
--- a/src/utils/MathHelpers.mjs
+++ b/src/utils/MathHelpers.mjs
@@ -10,11 +10,11 @@ export { dec2hex, getRandomIntInclusive, roundPrecision };
  * dec2hex :: Integer -> String
  * i.e. 0-255 -> '00'-'ff'
  * @param  {Number} dec decimal string
- * @return {String}     hex encdoded number
+ * @return {String}     hex encdoded number, prefix with 0x
  */
 function dec2hex(dec)
 {
-	return ('0' + dec.toString(16)).substring(-2);
+	return ('0x' + dec.toString(16)).substring(-2);
 }
 
 /**
@@ -22,7 +22,7 @@ function dec2hex(dec)
  * with min/max inclusive.
  * eg: 1,5 will create a number ranging from 1 o 5
  * @param  {Number} min minimum int number inclusive
- * @param  {Number} max maximumg int number inclusive
+ * @param  {Number} max maximum int number inclusive
  * @return {Number}     Random number
  */
 function getRandomIntInclusive(min, max)
@@ -41,7 +41,7 @@ function getRandomIntInclusive(min, max)
  */
 function roundPrecision(number, precision)
 {
-	if (!isNaN(number) || !isNaN(precision)) {
+	if (isNaN(number) || isNaN(precision)) {
 		return number;
 	}
 	return Math.round(number * Math.pow(10, precision)) / Math.pow(10, precision);
diff --git a/tests/FormatBytes.test.js b/tests/FormatBytes.test.js
new file mode 100644
index 0000000..83d2d3b
--- /dev/null
+++ b/tests/FormatBytes.test.js
@@ -0,0 +1,81 @@
+import { describe, it, expect } from "vitest";
+
+import {
+	formatBytes,
+	formatBytesLong,
+	stringByteFormat
+} from '../src/utils/FormatBytes.mjs';
+
+let bytes_map = [
+	{
+		"in": -123123123,
+		"out": "-120237.42kB",
+		"out_l": "-117.42 MB",
+	},
+	{
+		"in": 999999, // KB-1,
+		"out": "0.95MB",
+		"out_l": "976.56 KB",
+	},
+	{
+		"in": 999999999, // MB-1
+		"out": "0.93GB",
+		"out_l": "953.67 MB",
+	},
+	{
+		"in": 254779258, // MB-n
+		"out": "0.24GB",
+		"out_l": "242.98 MB",
+	},
+	{
+		"in": 999999999999999, // TB-1
+		"out": "0.89PB",
+		"out_l": "909.49 TB",
+	},
+	{
+		"in": 588795544887632, // TB-n
+		"out": "0.52PB",
+		"out_l": "535.51 TB",
+	},
+	{
+		"in": 999999999999999999n, // PB-1
+		"out": "0.87EB",
+		"out_l": "888.18 PB",
+	},
+	{
+		"in": 9223372036854775807n, // MAX INT
+		"out": "8EB",
+		"out_l": "8.00 EB",
+	},
+	// {
+	// 	"in": 999999999999999999999n, // EB-1
+	// 	"out": "",
+	// }
+];
+
+describe("formatBytes", () => {
+	it('convert bytes to human readable, round up to next set', () => {
+		// expect(formatBytes(1021152)).toBe('0.97MB');
+		for (const bytes of bytes_map) {
+			expect(formatBytes(bytes.in)).toBe(bytes.out);
+		}
+	});
+});
+
+describe("formatBytesLong", () => {
+	it('convert bytes to human readable, keep on current set', () => {
+		expect(formatBytesLong(1021152)).toBe('997.22 KB');
+		for (const bytes of bytes_map) {
+			expect(formatBytesLong(bytes.in)).toBe(bytes.out_l);
+		}
+	});
+});
+
+describe("stringByteFormat", () => {
+	it('convert a string with byte suffix to bytes', () => {
+		expect(stringByteFormat('997.22 KB')).toBe(1021153);
+		expect(stringByteFormat('997.22 KB', true)).toBe(1021153.28);
+	});
+});
+
+// __END__
diff --git a/tests/MathHelpers.test.js b/tests/MathHelpers.test.js
new file mode 100644
index 0000000..fae8cde
--- /dev/null
+++ b/tests/MathHelpers.test.js
@@ -0,0 +1,30 @@
+import { describe, it, expect } from "vitest";
+
+import {
+	dec2hex,
+	getRandomIntInclusive,
+	roundPrecision
+} from '../src/utils/MathHelpers.mjs';
+
+describe("dec2hex", () => {
+	it('should convert decimal to hexadecimal values', () => {
+		expect(dec2hex(255)).toBe('0xff');
+	});
+});
+
+describe("getRandomIntInclusive", () => {
+	it('should create a random number from min to max inclusive', () => {
+		let val = getRandomIntInclusive(1, 5);
+		expect(val).toBeGreaterThanOrEqual(1);
+		expect(val).toBeLessThanOrEqual(5);
+	});
+});
+
+describe("roundPrecision", () => {
+	it('should round numbers to a given precision', () => {
+		let val = roundPrecision(10.1234, 2);
+		expect(val).toBe(10.12);
+	});
+});
+
+// __END__