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265 lines
7.8 KiB
265 lines
7.8 KiB
/*
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* Minimalist Object 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 impliedc.
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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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"testing"
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. "github.com/minio/check"
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)
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func TestCache(t *testing.T) { TestingT(t) }
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type MyCacheSuite struct {
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root string
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}
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var _ = Suite(&MyCacheSuite{})
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var dc Interface
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func (s *MyCacheSuite) 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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CustomConfigPath = filepath.Join(root, "donut.json")
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dc, err = New()
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c.Assert(err, IsNil)
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// testing empty cache
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buckets, err := dc.ListBuckets()
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c.Assert(err, IsNil)
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c.Assert(len(buckets), Equals, 0)
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}
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func (s *MyCacheSuite) 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 *MyCacheSuite) TestBucketWithoutNameFails(c *C) {
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// fail to create new bucket without a name
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err := dc.MakeBucket("", "private")
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c.Assert(err, Not(IsNil))
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err = dc.MakeBucket(" ", "private")
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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 *MyCacheSuite) TestEmptyBucket(c *C) {
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c.Assert(dc.MakeBucket("foo1", "private"), 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 := dc.ListObjects("foo1", resources)
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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 *MyCacheSuite) TestMakeBucketAndList(c *C) {
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// create bucket
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err := dc.MakeBucket("foo2", "private")
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c.Assert(err, IsNil)
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// check bucket exists
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buckets, err := dc.ListBuckets()
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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 *MyCacheSuite) TestMakeBucketWithSameNameFails(c *C) {
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err := dc.MakeBucket("foo3", "private")
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c.Assert(err, IsNil)
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err = dc.MakeBucket("foo3", "private")
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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 *MyCacheSuite) TestCreateMultipleBucketsAndList(c *C) {
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// add a second bucket
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err := dc.MakeBucket("foo4", "private")
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c.Assert(err, IsNil)
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err = dc.MakeBucket("bar1", "private")
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c.Assert(err, IsNil)
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buckets, err := dc.ListBuckets()
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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 = dc.MakeBucket("foobar1", "private")
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c.Assert(err, IsNil)
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buckets, err = dc.ListBuckets()
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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 *MyCacheSuite) TestNewObjectFailsWithoutBucket(c *C) {
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_, err := dc.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 *MyCacheSuite) 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 := dc.MakeBucket("foo6", "private")
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c.Assert(err, IsNil)
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objectMetadata, err := dc.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 *MyCacheSuite) TestNewObjectFailsWithEmptyName(c *C) {
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_, err := dc.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 *MyCacheSuite) TestNewObjectCanBeWritten(c *C) {
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err := dc.MakeBucket("foo", "private")
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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 := dc.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 := dc.GetObject(&buffer, "foo", "obj")
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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 = dc.GetObjectMetadata("foo", "obj")
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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 *MyCacheSuite) TestMultipleNewObjects(c *C) {
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c.Assert(dc.MakeBucket("foo5", "private"), IsNil)
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one := ioutil.NopCloser(bytes.NewReader([]byte("one")))
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_, err := dc.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 = dc.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 := dc.GetObject(&buffer1, "foo5", "obj1")
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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 = dc.GetObject(&buffer2, "foo5", "obj2")
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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 := dc.ListObjects("foo5", resources)
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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 = dc.ListObjects("foo5", resources)
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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 = dc.ListObjects("foo5", resources)
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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 = dc.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 = dc.GetObject(&buffer, "foo5", "obj3")
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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 = dc.ListObjects("foo5", resources)
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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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