diff --git a/jest.config.js b/jest.config.js
index f975602..edbf306 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -6,5 +6,8 @@ module.exports = {
 	setupFiles: ['dotenv/config'],
 	transform: {
 		'^.+\\.[t|j]sx?$': 'babel-jest'
+	},
+	moduleNameMapper: {
+		'@/(.*)': ['<rootDir>/src/$1']
 	}
 }
diff --git a/src/utils/downloads.js b/src/utils/downloads.js
index 5564a99..1bf6e91 100644
--- a/src/utils/downloads.js
+++ b/src/utils/downloads.js
@@ -10,12 +10,12 @@ export function sendAddToQueue(url, bitrate = null) {
 	fetchData('addToQueue', { url, bitrate }, 'POST')
 }
 
+/**
+ * @param {{ link: string }[]} releases
+ * @returns {string}
+ */
 export function aggregateDownloadLinks(releases) {
-	const links = []
-
-	releases.forEach(release => {
-		links.push(release.link)
-	})
+	const links = releases.map(release => release.link)
 
 	return links.join(';')
 }
diff --git a/tests/unit/utils/dates.spec.js b/tests/unit/utils/dates.spec.js
index 566384c..56ea726 100644
--- a/tests/unit/utils/dates.spec.js
+++ b/tests/unit/utils/dates.spec.js
@@ -2,8 +2,15 @@ import { checkNewRelease } from '../../../src/utils/dates.js'
 
 describe('date utils', () => {
 	describe('checkNewRelease', () => {
-		it("returns true with today's date", () => {
+		it("returns a positive result checking today's date", () => {
 			expect(checkNewRelease(new Date())).toBe(true)
 		})
+
+		it("returns a negative result checking a week ago's date", () => {
+			const dateToCheck = new Date()
+			dateToCheck.setDate(dateToCheck.getDate() - 7)
+
+			expect(checkNewRelease(dateToCheck)).toBe(false)
+		})
 	})
 })
diff --git a/tests/unit/utils/downloads.spec.js b/tests/unit/utils/downloads.spec.js
new file mode 100644
index 0000000..f6395d7
--- /dev/null
+++ b/tests/unit/utils/downloads.spec.js
@@ -0,0 +1,12 @@
+import { aggregateDownloadLinks } from '../../../src/utils/downloads'
+
+describe('download utils', () => {
+	describe('aggregateDownloadLinks', () => {
+		it('merges links into a single string', () => {
+			const release = { link: 'abcde' }
+			const aggregated = aggregateDownloadLinks([release, release])
+
+			expect(aggregated).toBe('abcde;abcde')
+		})
+	})
+})