From 4a52a71956a8d46fcb7294ac71734504bb09bcc2 Mon Sep 17 00:00:00 2001
From: S. Solomon Darnell
Date: Fri, 28 Mar 2025 21:52:21 -0500
Subject: two version of R2R are here

---
 .../python3.12/site-packages/fsspec/tests/abstract/open.py    | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 .venv/lib/python3.12/site-packages/fsspec/tests/abstract/open.py

(limited to '.venv/lib/python3.12/site-packages/fsspec/tests/abstract/open.py')

diff --git a/.venv/lib/python3.12/site-packages/fsspec/tests/abstract/open.py b/.venv/lib/python3.12/site-packages/fsspec/tests/abstract/open.py
new file mode 100644
index 00000000..bb75ea85
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/fsspec/tests/abstract/open.py
@@ -0,0 +1,11 @@
+import pytest
+
+
+class AbstractOpenTests:
+    def test_open_exclusive(self, fs, fs_target):
+        with fs.open(fs_target, "wb") as f:
+            f.write(b"data")
+        with fs.open(fs_target, "rb") as f:
+            assert f.read() == b"data"
+        with pytest.raises(FileExistsError):
+            fs.open(fs_target, "xb")
-- 
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