diff --git a/package.json b/package.json
index aa9f09f..81bdee4 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
 		"lint": "prettier --check . && eslint .",
 		"lint:prettier": "prettier --check .",
 		"lint:eslint": "eslint .",
-		"format": "prettier --write ."
+		"format": "prettier --write .",
+		"prepush": "prettier --write . && prettier --check . && eslint . && vitest run"
 	},
 	"devDependencies": {
 		"@fortawesome/fontawesome-svg-core": "^6.5.2",
diff --git a/src/index.test.js b/src/index.test.js
deleted file mode 100644
index e07cbbd..0000000
--- a/src/index.test.js
+++ /dev/null
@@ -1,7 +0,0 @@
-import { describe, it, expect } from 'vitest';
-
-describe('sum test', () => {
-	it('adds 1 + 2 to equal 3', () => {
-		expect(1 + 2).toBe(3);
-	});
-});
diff --git a/src/tests/lib/formatters.test.js b/src/tests/lib/formatters.test.js
new file mode 100644
index 0000000..1b3f39f
--- /dev/null
+++ b/src/tests/lib/formatters.test.js
@@ -0,0 +1,16 @@
+import { describe, it, expect } from 'vitest';
+import { convertUnixToTime } from '$lib/formatters';
+
+describe('convertUnixToTime', () => {
+	it('returns a blank string when its input is null', () => {
+		expect(convertUnixToTime(null)).toBe('');
+	});
+
+	it('returns a blank string when its input is an empty string', () => {
+		expect(convertUnixToTime('')).toBe('');
+	});
+
+	it('converts a Unix timestamp to a locale-specific formatted time', () => {
+		expect(convertUnixToTime(1727442050)).toBe('01:00 PM');
+	});
+});