diff --git a/tests/func/test_cache.py b/tests/func/test_cache.py
index 147840ee41..e4f984221b 100644
--- a/tests/func/test_cache.py
+++ b/tests/func/test_cache.py
@@ -204,3 +204,18 @@ def test_shared_cache(tmp_dir, dvc, protected, dir_mode, file_mode):
         for fname in fnames:
             path = os.path.join(root, fname)
             assert stat.S_IMODE(os.stat(path).st_mode) == file_mode
+
+
+def test_file_by_inode(tmp_dir, dvc):
+    (tmp_dir / "data").mkdir()
+    (tmp_dir / "data" / "DATA").write_text("asdfsdf")
+
+    DATA = os.path.join("data", "DATA")
+    data = os.path.join("data", "data")
+
+    # assert dvc.cache.local.exists(PathInfo(DATA))
+    # assert not dvc.cache.local.exists(PathInfo(data))
+
+    from dvc.system import System
+
+    assert System.inode(DATA) == System.inode(data)