diff --git a/tests/test_dir_util.py b/tests/test_dir_util.py
new file mode 100644
index 0000000..3a5e5dc
--- /dev/null
+++ b/tests/test_dir_util.py
@@ -0,0 +1,38 @@
+import unittest
+from unittest.mock import MagicMock, patch
+from cellxgene_gateway.dir_util import render_entry
+
+class TestRenderEntry(unittest.TestCase):
+    def test_GIVEN_path_both_slash_THEN_view_has_single_slash(self):
+        entry = {
+                "path": "/somepath/",
+                "name": "entry",
+                "type": "file",
+            }
+        rendered = render_entry(entry)
+        self.assertIn('view/somepath', rendered)
+    def test_GIVEN_path_starts_slash_THEN_view_has_single_slash(self):
+        entry = {
+                "path": "/somepath",
+                "name": "entry",
+                "type": "file",
+            }
+        rendered = render_entry(entry)
+        self.assertIn('view/somepath', rendered)
+    def test_GIVEN_path_ends_slash_THEN_view_has_single_slash(self):
+        entry = {
+                "path": "somepath/",
+                "name": "entry",
+                "type": "file",
+            }
+        rendered = render_entry(entry)
+        self.assertIn('view/somepath', rendered)
+    def test_GIVEN_path_no_slash_THEN_view_has_single_slash(self):
+        entry = {
+                "path": "somepath",
+                "name": "entry",
+                "type": "file",
+            }
+        rendered = render_entry(entry)
+        self.assertIn('view/somepath', rendered)
+        
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