commit ae52aaa51d2f9eedf103448dcdb7e9dfef5273cb
from: Sergey Bronnikov <estetus@gmail.com>
date: Sat Feb 27 16:11:12 2021 UTC

tests: add test_readdir_big()

commit - 8895eb30f0af8eb746db0c68dd8d77201fe1cd08
commit + ae52aaa51d2f9eedf103448dcdb7e9dfef5273cb
blob - f135b239d95584cb077c01c29dceaf5e8f9f365a
blob + f5ae84859eb38ab5f3cd0ba8ebcff1e7e24e9093
--- tests/test_unreliablefs.py
+++ tests/test_unreliablefs.py
@@ -292,7 +292,32 @@ def test_readdir(setup_unreliablefs):
     os.unlink(subfile)
     os.rmdir(subdir)
     os.rmdir(src_newdir)
+
+def test_readdir_big(setup_unreliablefs):
+    mnt_dir, src_dir = setup_unreliablefs
 
+    # Add enough entries so that readdir needs to be called
+    # multiple times.
+    fnames = []
+    for i in range(500):
+        fname  = ('A rather long filename to make sure that we '
+                  'fill up the buffer - ' * 3) + str(i)
+        with open(pjoin(src_dir, fname), 'w') as fh:
+            fh.write('File %d' % i)
+        fnames.append(fname)
+
+    listdir_is = sorted(os.listdir(mnt_dir))
+    listdir_should = sorted(os.listdir(src_dir))
+    assert listdir_is == listdir_should
+
+    for fname in fnames:
+        stat_src = os.stat(pjoin(src_dir, fname))
+        stat_mnt = os.stat(pjoin(mnt_dir, fname))
+        assert stat_src.st_mtime == stat_mnt.st_mtime
+        assert stat_src.st_ctime == stat_mnt.st_ctime
+        assert stat_src.st_size == stat_mnt.st_size
+        os.unlink(pjoin(src_dir, fname))
+
 def test_truncate_path(setup_unreliablefs):
     mnt_dir, src_dir = setup_unreliablefs
     assert len(TEST_DATA) > 1024