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vfs: make integration TestDirEntryModTimeInvalidation test more reliable

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Before this change it was not taking the Precision of the remote into account.
This commit is contained in:
Nick Craig-Wood
2025-07-06 14:33:54 +01:00
parent 524c285d88
commit d9c227eff6
1 changed files with 8 additions and 7 deletions
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15
vfs/dir_test.go
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@@ -669,21 +669,22 @@ func TestDirEntryModTimeInvalidation(t *testing.T) {
t.Skip("dirent modtime is unreliable on Windows filesystems")
}
// Needs to be less than 2x the wait time below, othewrwise the entry
// gets cleared out before it had a chance to be updated.
vfs.Opt.DirCacheTime = fs.Duration(50 * time.Millisecond)
r.WriteObject(context.Background(), "dir/file1", "file1 contents", t1)
// Read the modtime of the directory fresh
vfs.FlushDirCache()
node, err := vfs.Stat("dir")
require.NoError(t, err)
modTime1 := node.(*Dir).DirEntry().ModTime(context.Background())
// Wait some time, then write another file which must update ModTime of
// the directory.
time.Sleep(75 * time.Millisecond)
// Wait some time (we wait for Precision+10%), then write another file
// which should update the ModTime of the directory.
prec := (11 * vfs.f.Precision()) / 10
time.Sleep(max(100*time.Millisecond, prec))
r.WriteObject(context.Background(), "dir/file2", "file2 contents", t2)
// Read the modtime of the directory fresh again - it should have changed
vfs.FlushDirCache()
node2, err := vfs.Stat("dir")
require.NoError(t, err)
modTime2 := node2.(*Dir).DirEntry().ModTime(context.Background())