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Add everything back into one project hood, still missing iodine
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Harshavardhana
333
pkg/storage/donut/donut_test.go
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333
pkg/storage/donut/donut_test.go
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/*
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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 implied.
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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/hex"
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"io"
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"io/ioutil"
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"os"
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"path"
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"strconv"
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"testing"
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"time"
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. "github.com/minio-io/check"
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)
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func Test(t *testing.T) { TestingT(t) }
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type MySuite struct{}
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var _ = Suite(&MySuite{})
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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 := path.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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// test empty donut
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func (s *MySuite) TestEmptyDonut(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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// check donut is empty
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buckets, err := donut.ListBuckets()
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c.Assert(err, IsNil)
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c.Assert(buckets, IsNil)
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}
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// test make bucket without name
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func (s *MySuite) TestBucketWithoutNameFails(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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// fail to create new bucket without a name
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err = donut.MakeBucket("")
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c.Assert(err, Not(IsNil))
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err = donut.MakeBucket(" ")
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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 *MySuite) TestEmptyBucket(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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c.Assert(donut.MakeBucket("foo"), IsNil)
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// check if bucket is empty
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objects, _, istruncated, err := donut.ListObjects("foo", "", "", "", 1)
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c.Assert(err, IsNil)
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c.Assert(objects, IsNil)
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c.Assert(istruncated, Equals, false)
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}
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// test bucket list
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func (s *MySuite) TestMakeBucketAndList(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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// create bucket
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err = donut.MakeBucket("foo")
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c.Assert(err, IsNil)
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// check bucket exists
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buckets, err := donut.ListBuckets()
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c.Assert(err, IsNil)
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c.Assert(buckets, DeepEquals, []string{"foo"})
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}
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// test re-create bucket
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func (s *MySuite) TestMakeBucketWithSameNameFails(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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err = donut.MakeBucket("foo")
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c.Assert(err, IsNil)
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err = donut.MakeBucket("foo")
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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 *MySuite) TestCreateMultipleBucketsAndList(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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// add a second bucket
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err = donut.MakeBucket("foo")
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c.Assert(err, IsNil)
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err = donut.MakeBucket("bar")
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c.Assert(err, IsNil)
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buckets, err := donut.ListBuckets()
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c.Assert(err, IsNil)
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c.Assert(buckets, DeepEquals, []string{"bar", "foo"})
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err = donut.MakeBucket("foobar")
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c.Assert(err, IsNil)
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buckets, err = donut.ListBuckets()
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c.Assert(err, IsNil)
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c.Assert(buckets, DeepEquals, []string{"bar", "foo", "foobar"})
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}
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// test object create without bucket
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func (s *MySuite) TestNewObjectFailsWithoutBucket(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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err = donut.PutObject("foo", "obj", "", 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 *MySuite) TestNewObjectMetadata(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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metadata := make(map[string]string)
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metadata["contentType"] = "application/json"
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metadata["foo"] = "value1"
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metadata["hello"] = "world"
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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 := hex.EncodeToString(hasher.Sum(nil))
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reader := ioutil.NopCloser(bytes.NewReader([]byte(data)))
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err = donut.MakeBucket("foo")
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c.Assert(err, IsNil)
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err = donut.PutObject("foo", "obj", expectedMd5Sum, reader, metadata)
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c.Assert(err, IsNil)
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objectMetadata, err := donut.GetObjectMetadata("foo", "obj")
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c.Assert(err, IsNil)
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c.Assert(objectMetadata["contentType"], Equals, metadata["contentType"])
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c.Assert(objectMetadata["foo"], Equals, metadata["foo"])
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c.Assert(objectMetadata["hello"], Equals, metadata["hello"])
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}
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// test create object fails without name
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func (s *MySuite) TestNewObjectFailsWithEmptyName(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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err = donut.PutObject("foo", "", "", nil, nil)
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c.Assert(err, Not(IsNil))
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err = donut.PutObject("foo", " ", "", 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 *MySuite) TestNewObjectCanBeWritten(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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err = donut.MakeBucket("foo")
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c.Assert(err, IsNil)
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metadata := make(map[string]string)
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metadata["contentType"] = "application/octet-stream"
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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 := hex.EncodeToString(hasher.Sum(nil))
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reader := ioutil.NopCloser(bytes.NewReader([]byte(data)))
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err = donut.PutObject("foo", "obj", expectedMd5Sum, reader, metadata)
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c.Assert(err, IsNil)
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reader, size, err := donut.GetObject("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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var actualData bytes.Buffer
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_, err = io.Copy(&actualData, reader)
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c.Assert(err, IsNil)
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c.Assert(actualData.Bytes(), DeepEquals, []byte(data))
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actualMetadata, err := donut.GetObjectMetadata("foo", "obj")
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c.Assert(err, IsNil)
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c.Assert(expectedMd5Sum, Equals, actualMetadata["md5"])
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c.Assert(strconv.Itoa(len(data)), Equals, actualMetadata["size"])
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c.Assert("1.0", Equals, actualMetadata["version"])
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_, err = time.Parse(time.RFC3339Nano, actualMetadata["created"])
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c.Assert(err, IsNil)
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}
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// test list objects
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func (s *MySuite) TestMultipleNewObjects(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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defer os.RemoveAll(root)
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donut, err := NewDonut("test", createTestNodeDiskMap(root))
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c.Assert(err, IsNil)
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c.Assert(donut.MakeBucket("foo"), IsNil)
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one := ioutil.NopCloser(bytes.NewReader([]byte("one")))
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err = donut.PutObject("foo", "obj1", "", one, 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 = donut.PutObject("foo", "obj2", "", two, nil)
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c.Assert(err, IsNil)
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obj1, size, err := donut.GetObject("foo", "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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var readerBuffer1 bytes.Buffer
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_, err = io.CopyN(&readerBuffer1, obj1, size)
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c.Assert(err, IsNil)
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c.Assert(readerBuffer1.Bytes(), DeepEquals, []byte("one"))
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obj2, size, err := donut.GetObject("foo", "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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var readerBuffer2 bytes.Buffer
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_, err = io.CopyN(&readerBuffer2, obj2, size)
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c.Assert(err, IsNil)
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c.Assert(readerBuffer2.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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listObjects, prefixes, isTruncated, err := donut.ListObjects("foo", "o", "", "1", 1)
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c.Assert(err, IsNil)
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c.Assert(isTruncated, Equals, false)
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c.Assert(prefixes[0], Equals, "obj1")
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// test list objects with only delimiter
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listObjects, prefixes, isTruncated, err = donut.ListObjects("foo", "", "", "1", 10)
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c.Assert(err, IsNil)
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c.Assert(listObjects[0], Equals, "obj2")
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c.Assert(isTruncated, Equals, false)
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c.Assert(prefixes[0], Equals, "obj1")
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// test list objects with only prefix
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listObjects, _, isTruncated, err = donut.ListObjects("foo", "o", "", "", 10)
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c.Assert(err, IsNil)
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c.Assert(isTruncated, Equals, false)
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c.Assert(listObjects, DeepEquals, []string{"obj1", "obj2"})
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three := ioutil.NopCloser(bytes.NewReader([]byte("three")))
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err = donut.PutObject("foo", "obj3", "", three, nil)
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c.Assert(err, IsNil)
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obj3, size, err := donut.GetObject("foo", "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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var readerBuffer3 bytes.Buffer
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_, err = io.CopyN(&readerBuffer3, obj3, size)
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c.Assert(err, IsNil)
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c.Assert(readerBuffer3.Bytes(), DeepEquals, []byte("three"))
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// test list objects with maxkeys
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listObjects, _, isTruncated, err = donut.ListObjects("foo", "o", "", "", 2)
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c.Assert(err, IsNil)
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c.Assert(isTruncated, Equals, true)
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c.Assert(len(listObjects), Equals, 2)
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}
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