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45b59b8456
This convenience was necessary to be used for golang library functions like io.Copy and io.Pipe where we shouldn't be writing proxies and alternatives returning *probe.Error This change also brings more changes across code base for clear separation regarding where an error interface should be passed encapsulating *probe.Error and where it should be used as is.
291 lines
8.6 KiB
Go
291 lines
8.6 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or impliedd.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package donut
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import (
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"bytes"
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"crypto/md5"
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"encoding/base64"
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"encoding/hex"
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"io/ioutil"
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"os"
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"path/filepath"
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"strconv"
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"testing"
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. "gopkg.in/check.v1"
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)
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func TestDonut(t *testing.T) { TestingT(t) }
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type MyDonutSuite struct {
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root string
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}
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var _ = Suite(&MyDonutSuite{})
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// create a dummy TestNodeDiskMap
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func createTestNodeDiskMap(p string) map[string][]string {
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nodes := make(map[string][]string)
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nodes["localhost"] = make([]string, 16)
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for i := 0; i < len(nodes["localhost"]); i++ {
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diskPath := filepath.Join(p, strconv.Itoa(i))
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if _, err := os.Stat(diskPath); err != nil {
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if os.IsNotExist(err) {
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os.MkdirAll(diskPath, 0700)
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}
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}
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nodes["localhost"][i] = diskPath
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}
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return nodes
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}
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var dd Interface
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func (s *MyDonutSuite) SetUpSuite(c *C) {
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root, err := ioutil.TempDir(os.TempDir(), "donut-")
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c.Assert(err, IsNil)
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s.root = root
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conf := new(Config)
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conf.Version = "0.0.1"
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conf.DonutName = "test"
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conf.NodeDiskMap = createTestNodeDiskMap(root)
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conf.MaxSize = 100000
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SetDonutConfigPath(filepath.Join(root, "donut.json"))
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perr := SaveConfig(conf)
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c.Assert(perr, IsNil)
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dd, perr = New()
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c.Assert(perr, IsNil)
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// testing empty donut
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buckets, perr := dd.ListBuckets(nil)
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c.Assert(perr, IsNil)
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c.Assert(len(buckets), Equals, 0)
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}
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func (s *MyDonutSuite) TearDownSuite(c *C) {
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os.RemoveAll(s.root)
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}
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// test make bucket without name
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func (s *MyDonutSuite) TestBucketWithoutNameFails(c *C) {
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// fail to create new bucket without a name
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err := dd.MakeBucket("", "private", nil, nil)
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c.Assert(err, Not(IsNil))
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err = dd.MakeBucket(" ", "private", nil, nil)
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c.Assert(err, Not(IsNil))
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}
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// test empty bucket
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func (s *MyDonutSuite) TestEmptyBucket(c *C) {
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c.Assert(dd.MakeBucket("foo1", "private", nil, nil), IsNil)
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// check if bucket is empty
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var resources BucketResourcesMetadata
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resources.Maxkeys = 1
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objectsMetadata, resources, err := dd.ListObjects("foo1", resources, nil)
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c.Assert(err, IsNil)
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c.Assert(len(objectsMetadata), Equals, 0)
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c.Assert(resources.CommonPrefixes, DeepEquals, []string{})
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c.Assert(resources.IsTruncated, Equals, false)
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}
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// test bucket list
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func (s *MyDonutSuite) TestMakeBucketAndList(c *C) {
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// create bucket
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err := dd.MakeBucket("foo2", "private", nil, nil)
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c.Assert(err, IsNil)
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// check bucket exists
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buckets, err := dd.ListBuckets(nil)
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c.Assert(err, IsNil)
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c.Assert(len(buckets), Equals, 5)
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c.Assert(buckets[0].ACL, Equals, BucketACL("private"))
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}
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// test re-create bucket
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func (s *MyDonutSuite) TestMakeBucketWithSameNameFails(c *C) {
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err := dd.MakeBucket("foo3", "private", nil, nil)
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c.Assert(err, IsNil)
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err = dd.MakeBucket("foo3", "private", nil, nil)
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c.Assert(err, Not(IsNil))
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}
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// test make multiple buckets
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func (s *MyDonutSuite) TestCreateMultipleBucketsAndList(c *C) {
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// add a second bucket
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err := dd.MakeBucket("foo4", "private", nil, nil)
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c.Assert(err, IsNil)
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err = dd.MakeBucket("bar1", "private", nil, nil)
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c.Assert(err, IsNil)
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buckets, err := dd.ListBuckets(nil)
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c.Assert(err, IsNil)
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c.Assert(len(buckets), Equals, 2)
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c.Assert(buckets[0].Name, Equals, "bar1")
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c.Assert(buckets[1].Name, Equals, "foo4")
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err = dd.MakeBucket("foobar1", "private", nil, nil)
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c.Assert(err, IsNil)
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buckets, err = dd.ListBuckets(nil)
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c.Assert(err, IsNil)
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c.Assert(len(buckets), Equals, 3)
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c.Assert(buckets[2].Name, Equals, "foobar1")
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}
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// test object create without bucket
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func (s *MyDonutSuite) TestNewObjectFailsWithoutBucket(c *C) {
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_, err := dd.CreateObject("unknown", "obj", "", 0, nil, nil, nil)
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c.Assert(err, Not(IsNil))
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}
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// test create object metadata
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func (s *MyDonutSuite) TestNewObjectMetadata(c *C) {
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data := "Hello World"
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hasher := md5.New()
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hasher.Write([]byte(data))
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expectedMd5Sum := base64.StdEncoding.EncodeToString(hasher.Sum(nil))
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reader := ioutil.NopCloser(bytes.NewReader([]byte(data)))
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err := dd.MakeBucket("foo6", "private", nil, nil)
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c.Assert(err, IsNil)
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objectMetadata, err := dd.CreateObject("foo6", "obj", expectedMd5Sum, int64(len(data)), reader, map[string]string{"contentType": "application/json"}, nil)
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c.Assert(err, IsNil)
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c.Assert(objectMetadata.MD5Sum, Equals, hex.EncodeToString(hasher.Sum(nil)))
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c.Assert(objectMetadata.Metadata["contentType"], Equals, "application/json")
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}
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// test create object fails without name
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func (s *MyDonutSuite) TestNewObjectFailsWithEmptyName(c *C) {
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_, err := dd.CreateObject("foo", "", "", 0, nil, nil, nil)
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c.Assert(err, Not(IsNil))
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}
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// test create object
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func (s *MyDonutSuite) TestNewObjectCanBeWritten(c *C) {
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err := dd.MakeBucket("foo", "private", nil, nil)
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c.Assert(err, IsNil)
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data := "Hello World"
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hasher := md5.New()
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hasher.Write([]byte(data))
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expectedMd5Sum := base64.StdEncoding.EncodeToString(hasher.Sum(nil))
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reader := ioutil.NopCloser(bytes.NewReader([]byte(data)))
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actualMetadata, err := dd.CreateObject("foo", "obj", expectedMd5Sum, int64(len(data)), reader, map[string]string{"contentType": "application/octet-stream"}, nil)
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c.Assert(err, IsNil)
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c.Assert(actualMetadata.MD5Sum, Equals, hex.EncodeToString(hasher.Sum(nil)))
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var buffer bytes.Buffer
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size, err := dd.GetObject(&buffer, "foo", "obj", 0, 0)
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c.Assert(err, IsNil)
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c.Assert(size, Equals, int64(len(data)))
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c.Assert(buffer.Bytes(), DeepEquals, []byte(data))
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actualMetadata, err = dd.GetObjectMetadata("foo", "obj", nil)
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c.Assert(err, IsNil)
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c.Assert(hex.EncodeToString(hasher.Sum(nil)), Equals, actualMetadata.MD5Sum)
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c.Assert(int64(len(data)), Equals, actualMetadata.Size)
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}
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// test list objects
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func (s *MyDonutSuite) TestMultipleNewObjects(c *C) {
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c.Assert(dd.MakeBucket("foo5", "private", nil, nil), IsNil)
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one := ioutil.NopCloser(bytes.NewReader([]byte("one")))
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_, err := dd.CreateObject("foo5", "obj1", "", int64(len("one")), one, nil, nil)
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c.Assert(err, IsNil)
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two := ioutil.NopCloser(bytes.NewReader([]byte("two")))
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_, err = dd.CreateObject("foo5", "obj2", "", int64(len("two")), two, nil, nil)
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c.Assert(err, IsNil)
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var buffer1 bytes.Buffer
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size, err := dd.GetObject(&buffer1, "foo5", "obj1", 0, 0)
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c.Assert(err, IsNil)
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c.Assert(size, Equals, int64(len([]byte("one"))))
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c.Assert(buffer1.Bytes(), DeepEquals, []byte("one"))
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var buffer2 bytes.Buffer
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size, err = dd.GetObject(&buffer2, "foo5", "obj2", 0, 0)
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c.Assert(err, IsNil)
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c.Assert(size, Equals, int64(len([]byte("two"))))
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c.Assert(buffer2.Bytes(), DeepEquals, []byte("two"))
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/// test list of objects
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// test list objects with prefix and delimiter
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var resources BucketResourcesMetadata
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resources.Prefix = "o"
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resources.Delimiter = "1"
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resources.Maxkeys = 10
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objectsMetadata, resources, err := dd.ListObjects("foo5", resources, nil)
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c.Assert(err, IsNil)
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c.Assert(resources.IsTruncated, Equals, false)
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c.Assert(resources.CommonPrefixes[0], Equals, "obj1")
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// test list objects with only delimiter
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resources.Prefix = ""
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resources.Delimiter = "1"
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resources.Maxkeys = 10
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objectsMetadata, resources, err = dd.ListObjects("foo5", resources, nil)
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c.Assert(err, IsNil)
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c.Assert(objectsMetadata[0].Object, Equals, "obj2")
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c.Assert(resources.IsTruncated, Equals, false)
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c.Assert(resources.CommonPrefixes[0], Equals, "obj1")
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// test list objects with only prefix
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resources.Prefix = "o"
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resources.Delimiter = ""
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resources.Maxkeys = 10
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objectsMetadata, resources, err = dd.ListObjects("foo5", resources, nil)
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c.Assert(err, IsNil)
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c.Assert(resources.IsTruncated, Equals, false)
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c.Assert(objectsMetadata[0].Object, Equals, "obj1")
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c.Assert(objectsMetadata[1].Object, Equals, "obj2")
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three := ioutil.NopCloser(bytes.NewReader([]byte("three")))
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_, err = dd.CreateObject("foo5", "obj3", "", int64(len("three")), three, nil, nil)
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c.Assert(err, IsNil)
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var buffer bytes.Buffer
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size, err = dd.GetObject(&buffer, "foo5", "obj3", 0, 0)
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c.Assert(err, IsNil)
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c.Assert(size, Equals, int64(len([]byte("three"))))
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c.Assert(buffer.Bytes(), DeepEquals, []byte("three"))
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// test list objects with maxkeys
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resources.Prefix = "o"
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resources.Delimiter = ""
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resources.Maxkeys = 2
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objectsMetadata, resources, err = dd.ListObjects("foo5", resources, nil)
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c.Assert(err, IsNil)
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c.Assert(resources.IsTruncated, Equals, true)
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c.Assert(len(objectsMetadata), Equals, 2)
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}
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