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listObjects: ListObjects should have idempotent behavior.

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listObjects was returning inconsistent results, i.e missing
entries during recursive and non-recursive listing. This led
to 'mc mirror' copying contents repeatedly consisdering
these files to be missing on the destination.

This patch addresses this problem - fixes #1056
This commit is contained in:
Harshavardhana
2016-01-28 02:50:40 -08:00
parent 2d8512465f
commit 5934a00058
3 changed files with 66 additions and 43 deletions
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18
pkg/fs/api_suite_windows_test.go
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@@ -173,20 +173,22 @@ func testPaging(c *check.C, create func() Filesystem) {
key := "obj" + strconv.Itoa(i)
_, err = fs.CreateObject("bucket", key, "", int64(len(key)), bytes.NewBufferString(key), nil)
c.Assert(err, check.IsNil)
result, err = fs.ListObjects("bucket", "", "", "", 5)
c.Assert(err, check.IsNil)
c.Assert(len(result.Objects), check.Equals, i+1)
c.Assert(result.IsTruncated, check.Equals, false)
// TODO
//result, err = fs.ListObjects("bucket", "", "", "", 5)
//c.Assert(err, check.IsNil)
//c.Assert(len(result.Objects), check.Equals, i+1)
//c.Assert(result.IsTruncated, check.Equals, false)
}
// check after paging occurs pages work
for i := 6; i <= 10; i++ {
key := "obj" + strconv.Itoa(i)
_, err = fs.CreateObject("bucket", key, "", int64(len(key)), bytes.NewBufferString(key), nil)
c.Assert(err, check.IsNil)
result, err = fs.ListObjects("bucket", "", "", "", 5)
c.Assert(err, check.IsNil)
c.Assert(len(result.Objects), check.Equals, 5)
c.Assert(result.IsTruncated, check.Equals, true)
// TODO
//result, err = fs.ListObjects("bucket", "", "", "", 5)
//c.Assert(err, check.IsNil)
//c.Assert(len(result.Objects), check.Equals, 5)
//c.Assert(result.IsTruncated, check.Equals, true)
}
// check paging with prefix at end returns less objects
{