qa: test for child dir with first beyond parent snaps

If the parent directory has snapshots but the child was created after, then we
should be able to modify its charmap.

Signed-off-by: Patrick Donnelly <pdonnell@ibm.com>
Fixes: https://tracker.ceph.com/issues/71462

diff --git a/qa/tasks/cephfs/test_dir_charmap.py b/qa/tasks/cephfs/test_dir_charmap.py
index 06e6c4efc9acd4ef4517e351bee0ed0de1ffc254..5b82753b365c018e82de2b777aa5d856e0d53be0 100644 (file)
--- a/qa/tasks/cephfs/test_dir_charmap.py
+++ b/qa/tasks/cephfs/test_dir_charmap.py
@@ -280,6 +280,28 @@ class TestCharMapVxattr(CephFSTestCase, CharMapMixin):
             else:
                 self.fail("should fail")
 
+    def test_cs_no_parent_snaps_set_insensitive(self):
+        """
+        That setting a charmap succeeds for an empty directory with first beyond parent snaps.
+        """
+
+        attrs = {
+          "ceph.dir.casesensitive": False,
+          "ceph.dir.normalization": "nfc",
+          "ceph.dir.encoding": "utf8",
+        }
+
+        self.mount_a.run_shell_payload("mkdir -p foo/bar; mkdir foo/.snap/one; rmdir foo/bar; mkdir foo/bar")
+        for attr, v in attrs.items():
+            try:
+                self.mount_a.setfattr("foo/bar", attr, v, helpfulexception=True)
+            except DirectoryNotEmptyError:
+                self.fail("should not fail")
+        try:
+            self.check_cs("foo/bar", casesensitive=False, normalization="nfc")
+        except DirectoryNotEmptyError:
+            self.fail("should not fail")
+
     def test_cs_remount(self):
         """
         That a remount continues to see the charmap.