diff --git a/src/utils/file-exists.test.ts b/src/utils/file-exists.test.ts
new file mode 100644
index 00000000..ee8361b4
--- /dev/null
+++ b/src/utils/file-exists.test.ts
@@ -0,0 +1,27 @@
+import { promises as fs } from 'fs';
+
+import { fileExists } from './file-exists';
+
+describe('file-exists.ts', () => {
+  const accessMock = jest.spyOn(fs, 'access');
+
+  beforeEach(() => {
+    accessMock.mockReset();
+  });
+
+  it('should check if a file exists - true', async () => {
+    accessMock.mockResolvedValueOnce();
+
+    const result = await fileExists('./hello.txt');
+
+    expect(result).toBe(true);
+  });
+
+  it('should check if a file exists - false', async () => {
+    accessMock.mockRejectedValueOnce(undefined);
+
+    const result = await fileExists('./file-does-not-exist.txt');
+
+    expect(result).toBe(false);
+  });
+});