diff --git a/src/app/constants.ts b/src/app/constants.ts
new file mode 100644
index 0000000..f1fdba1
--- /dev/null
+++ b/src/app/constants.ts
@@ -0,0 +1,6 @@
+import path from 'path';
+
+export const DOCS_PATH = path.join(
+  process.cwd(),
+  'src/docs'
+);
diff --git a/src/app/lib/markdoc.ts b/src/app/lib/markdoc.ts
index 87b2cbb..fb68c5b 100644
--- a/src/app/lib/markdoc.ts
+++ b/src/app/lib/markdoc.ts
@@ -5,11 +5,10 @@ import React, { ReactNode } from 'react';
 import Clients from '../components/Clients';
 import CodeSnippet from '../components/CodeSnippet';
 import Fence from '../components/Fence';
+import { DOCS_PATH } from '../constants';
 import { Doc, DocSection } from './../types/types';
 
-const DOCS_PATH = path.join(process.cwd(), 'src/docs');
-
-function getCopyPath(
+export function getCopyPath(
   version: string,
   doc: Doc,
   docPath: string
@@ -21,7 +20,7 @@ function getCopyPath(
   return path.join(DOCS_PATH, version, docPath, doc.copy);
 }
 
-function getExamplePath(
+export function getExamplePath(
   version: string,
   doc: Doc,
   docPath: string
diff --git a/tests/unit/Markdoc.spec.ts b/tests/unit/Markdoc.spec.ts
index 555fe08..c44339c 100644
--- a/tests/unit/Markdoc.spec.ts
+++ b/tests/unit/Markdoc.spec.ts
@@ -1,5 +1,151 @@
-describe('test', () => {
-  it('should pass', () => {
-    expect(true).toBe(true);
+import { DOCS_PATH } from '@/app/constants';
+import {
+  getCopyPath,
+  getExamplePath,
+} from '@/app/lib/markdoc';
+import { Doc } from '@/app/types/types';
+import path from 'path';
+
+describe('Markdoc lib functions', () => {
+  describe('getCopyPath', () => {
+    const version = 'v1.0.0';
+    const doc: Doc = {
+      title: 'Title',
+      folder: 'folder',
+      copy: 'copy.md',
+    };
+    const docPath = 'path/to/doc';
+
+    it('returns empty string if doc.copy is undefined', () => {
+      const doc: Doc = {
+        title: 'Title',
+        folder: 'folder',
+      };
+      const result = getCopyPath(version, doc, docPath);
+      expect(result).toEqual('');
+    });
+
+    it('returns correct copy path', () => {
+      const result = getCopyPath(version, doc, docPath);
+      const expected = path.join(
+        DOCS_PATH,
+        version,
+        docPath,
+        doc.copy!
+      );
+      expect(result).toEqual(expected);
+    });
+
+    it('returns correct copy path with leading/trailing slashes in docPath', () => {
+      const result = getCopyPath(
+        version,
+        doc,
+        '/path/to/doc/'
+      );
+      const expected = path.join(
+        DOCS_PATH,
+        version,
+        docPath,
+        doc.copy!
+      );
+      expect(result).toEqual(expected);
+    });
+
+    it('returns correct copy path with different version', () => {
+      const result = getCopyPath('v2.0.0', doc, docPath);
+      const expected = path.join(
+        DOCS_PATH,
+        'v2.0.0',
+        docPath,
+        doc.copy!
+      );
+      expect(result).toEqual(expected);
+    });
+
+    it('returns correct copy path with nested docPath', () => {
+      const result = getCopyPath(
+        version,
+        doc,
+        'path/to/nested/doc'
+      );
+      const expected = path.join(
+        DOCS_PATH,
+        version,
+        'path/to/nested/doc',
+        doc.copy!
+      );
+      expect(result).toEqual(expected);
+    });
+  });
+
+  describe('getExamplePath', () => {
+    const version = 'v1.0.0';
+    const doc: Doc = {
+      title: 'Title',
+      folder: 'folder',
+      example: 'example.md',
+    };
+    const docPath = 'path/to/doc';
+
+    it('returns empty string if doc.example is undefined', () => {
+      const doc: Doc = {
+        title: 'Title',
+        folder: 'folder',
+      };
+      const result = getExamplePath(version, doc, docPath);
+      expect(result).toEqual('');
+    });
+
+    it('returns correct example path', () => {
+      const result = getExamplePath(version, doc, docPath);
+      const expected = path.join(
+        DOCS_PATH,
+        version,
+        docPath,
+        doc.example!
+      );
+      expect(result).toEqual(expected);
+    });
+
+    it('returns correct example path with leading/trailing slashes in docPath', () => {
+      const result = getExamplePath(
+        version,
+        doc,
+        '/path/to/doc/'
+      );
+      const expected = path.join(
+        DOCS_PATH,
+        version,
+        docPath,
+        doc.example!
+      );
+      expect(result).toEqual(expected);
+    });
+
+    it('returns correct example path with different version', () => {
+      const result = getExamplePath('v2.0.0', doc, docPath);
+      const expected = path.join(
+        DOCS_PATH,
+        'v2.0.0',
+        docPath,
+        doc.example!
+      );
+      expect(result).toEqual(expected);
+    });
+
+    it('returns correct example path with nested docPath', () => {
+      const result = getExamplePath(
+        version,
+        doc,
+        'path/to/nested/doc'
+      );
+      const expected = path.join(
+        DOCS_PATH,
+        version,
+        'path/to/nested/doc',
+        doc.example!
+      );
+      expect(result).toEqual(expected);
+    });
   });
 });