minio/pkg/storage/donut/donut_test.go
Harshavardhana eec66f195a Take all the ListObjects into bucket handlers
Earlier the listing would wait for all the objects to be processed
this is essentially very time consuming considering even for 100,000
files.
2015-06-25 18:04:29 -07:00

347 lines
10 KiB
Go

/*
* Minimalist Object Storage, (C) 2015 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package donut
import (
"bytes"
"crypto/md5"
"encoding/hex"
"io"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"testing"
"time"
. "github.com/minio/check"
)
func Test(t *testing.T) { TestingT(t) }
type MySuite struct{}
var _ = Suite(&MySuite{})
// create a dummy TestNodeDiskMap
func createTestNodeDiskMap(p string) map[string][]string {
nodes := make(map[string][]string)
nodes["localhost"] = make([]string, 16)
for i := 0; i < len(nodes["localhost"]); i++ {
diskPath := filepath.Join(p, strconv.Itoa(i))
if _, err := os.Stat(diskPath); err != nil {
if os.IsNotExist(err) {
os.MkdirAll(diskPath, 0700)
}
}
nodes["localhost"][i] = diskPath
}
return nodes
}
// test empty donut
func (s *MySuite) TestEmptyDonut(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
// check donut is empty
metadata, err := donut.ListBuckets()
c.Assert(err, IsNil)
c.Assert(len(metadata), Equals, 0)
}
// test make bucket without name
func (s *MySuite) TestBucketWithoutNameFails(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
// fail to create new bucket without a name
err = donut.MakeBucket("", "private")
c.Assert(err, Not(IsNil))
err = donut.MakeBucket(" ", "private")
c.Assert(err, Not(IsNil))
}
// test empty bucket
func (s *MySuite) TestEmptyBucket(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
c.Assert(donut.MakeBucket("foo", "private"), IsNil)
// check if bucket is empty
objects, _, istruncated, err := donut.ListObjects("foo", "", "", "", 1)
c.Assert(err, IsNil)
c.Assert(objects, IsNil)
c.Assert(istruncated, Equals, false)
}
// test bucket list
func (s *MySuite) TestMakeBucketAndList(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
// create bucket
err = donut.MakeBucket("foo", "private")
c.Assert(err, IsNil)
// check bucket exists
buckets, err := donut.ListBuckets()
c.Assert(err, IsNil)
c.Assert(len(buckets), Equals, 1)
c.Assert(buckets["foo"]["acl"], Equals, "private")
}
// test re-create bucket
func (s *MySuite) TestMakeBucketWithSameNameFails(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
err = donut.MakeBucket("foo", "private")
c.Assert(err, IsNil)
err = donut.MakeBucket("foo", "private")
c.Assert(err, Not(IsNil))
}
// test make multiple buckets
func (s *MySuite) TestCreateMultipleBucketsAndList(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
// add a second bucket
err = donut.MakeBucket("foo", "private")
c.Assert(err, IsNil)
err = donut.MakeBucket("bar", "private")
c.Assert(err, IsNil)
buckets, err := donut.ListBuckets()
c.Assert(err, IsNil)
_, ok := buckets["foo"]
c.Assert(ok, Equals, true)
_, ok = buckets["bar"]
c.Assert(ok, Equals, true)
err = donut.MakeBucket("foobar", "private")
c.Assert(err, IsNil)
buckets, err = donut.ListBuckets()
c.Assert(err, IsNil)
_, ok = buckets["foobar"]
c.Assert(ok, Equals, true)
}
// test object create without bucket
func (s *MySuite) TestNewObjectFailsWithoutBucket(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
_, err = donut.PutObject("foo", "obj", "", nil, nil)
c.Assert(err, Not(IsNil))
}
// test create object metadata
func (s *MySuite) TestNewObjectMetadata(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
metadata := make(map[string]string)
metadata["contentType"] = "application/json"
metadata["foo"] = "value1"
metadata["hello"] = "world"
data := "Hello World"
hasher := md5.New()
hasher.Write([]byte(data))
expectedMd5Sum := hex.EncodeToString(hasher.Sum(nil))
reader := ioutil.NopCloser(bytes.NewReader([]byte(data)))
metadata["contentLength"] = strconv.Itoa(len(data))
err = donut.MakeBucket("foo", "private")
c.Assert(err, IsNil)
calculatedMd5Sum, err := donut.PutObject("foo", "obj", expectedMd5Sum, reader, metadata)
c.Assert(err, IsNil)
c.Assert(calculatedMd5Sum, Equals, expectedMd5Sum)
objectMetadata, err := donut.GetObjectMetadata("foo", "obj")
c.Assert(err, IsNil)
c.Assert(objectMetadata["contentType"], Equals, metadata["contentType"])
c.Assert(objectMetadata["foo"], Equals, metadata["foo"])
c.Assert(objectMetadata["hello"], Equals, metadata["hello"])
}
// test create object fails without name
func (s *MySuite) TestNewObjectFailsWithEmptyName(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
_, err = donut.PutObject("foo", "", "", nil, nil)
c.Assert(err, Not(IsNil))
}
// test create object
func (s *MySuite) TestNewObjectCanBeWritten(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
err = donut.MakeBucket("foo", "private")
c.Assert(err, IsNil)
metadata := make(map[string]string)
metadata["contentType"] = "application/octet-stream"
data := "Hello World"
hasher := md5.New()
hasher.Write([]byte(data))
expectedMd5Sum := hex.EncodeToString(hasher.Sum(nil))
reader := ioutil.NopCloser(bytes.NewReader([]byte(data)))
metadata["contentLength"] = strconv.Itoa(len(data))
calculatedMd5Sum, err := donut.PutObject("foo", "obj", expectedMd5Sum, reader, metadata)
c.Assert(err, IsNil)
c.Assert(calculatedMd5Sum, Equals, expectedMd5Sum)
reader, size, err := donut.GetObject("foo", "obj")
c.Assert(err, IsNil)
c.Assert(size, Equals, int64(len(data)))
var actualData bytes.Buffer
_, err = io.Copy(&actualData, reader)
c.Assert(err, IsNil)
c.Assert(actualData.Bytes(), DeepEquals, []byte(data))
actualMetadata, err := donut.GetObjectMetadata("foo", "obj")
c.Assert(err, IsNil)
c.Assert(expectedMd5Sum, Equals, actualMetadata["md5"])
c.Assert(strconv.Itoa(len(data)), Equals, actualMetadata["size"])
c.Assert("1.0", Equals, actualMetadata["version"])
_, err = time.Parse(time.RFC3339Nano, actualMetadata["created"])
c.Assert(err, IsNil)
}
// test list objects
func (s *MySuite) TestMultipleNewObjects(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
defer os.RemoveAll(root)
donut, err := NewDonut("test", createTestNodeDiskMap(root))
c.Assert(err, IsNil)
c.Assert(donut.MakeBucket("foo", "private"), IsNil)
one := ioutil.NopCloser(bytes.NewReader([]byte("one")))
metadata := make(map[string]string)
metadata["contentLength"] = strconv.Itoa(len("one"))
_, err = donut.PutObject("foo", "obj1", "", one, metadata)
c.Assert(err, IsNil)
two := ioutil.NopCloser(bytes.NewReader([]byte("two")))
metadata["contentLength"] = strconv.Itoa(len("two"))
_, err = donut.PutObject("foo", "obj2", "", two, metadata)
c.Assert(err, IsNil)
obj1, size, err := donut.GetObject("foo", "obj1")
c.Assert(err, IsNil)
c.Assert(size, Equals, int64(len([]byte("one"))))
var readerBuffer1 bytes.Buffer
_, err = io.CopyN(&readerBuffer1, obj1, size)
c.Assert(err, IsNil)
c.Assert(readerBuffer1.Bytes(), DeepEquals, []byte("one"))
obj2, size, err := donut.GetObject("foo", "obj2")
c.Assert(err, IsNil)
c.Assert(size, Equals, int64(len([]byte("two"))))
var readerBuffer2 bytes.Buffer
_, err = io.CopyN(&readerBuffer2, obj2, size)
c.Assert(err, IsNil)
c.Assert(readerBuffer2.Bytes(), DeepEquals, []byte("two"))
/// test list of objects
// test list objects with prefix and delimiter
listObjects, prefixes, isTruncated, err := donut.ListObjects("foo", "o", "", "1", 10)
c.Assert(err, IsNil)
c.Assert(isTruncated, Equals, false)
c.Assert(prefixes[0], Equals, "obj1")
// test list objects with only delimiter
listObjects, prefixes, isTruncated, err = donut.ListObjects("foo", "", "", "1", 10)
c.Assert(err, IsNil)
c.Assert(listObjects[0], Equals, "obj2")
c.Assert(isTruncated, Equals, false)
c.Assert(prefixes[0], Equals, "obj1")
// test list objects with only prefix
listObjects, _, isTruncated, err = donut.ListObjects("foo", "o", "", "", 10)
c.Assert(err, IsNil)
c.Assert(isTruncated, Equals, false)
c.Assert(listObjects, DeepEquals, []string{"obj1", "obj2"})
three := ioutil.NopCloser(bytes.NewReader([]byte("three")))
metadata["contentLength"] = strconv.Itoa(len("three"))
_, err = donut.PutObject("foo", "obj3", "", three, metadata)
c.Assert(err, IsNil)
obj3, size, err := donut.GetObject("foo", "obj3")
c.Assert(err, IsNil)
c.Assert(size, Equals, int64(len([]byte("three"))))
var readerBuffer3 bytes.Buffer
_, err = io.CopyN(&readerBuffer3, obj3, size)
c.Assert(err, IsNil)
c.Assert(readerBuffer3.Bytes(), DeepEquals, []byte("three"))
// test list objects with maxkeys
listObjects, _, isTruncated, err = donut.ListObjects("foo", "o", "", "", 2)
c.Assert(err, IsNil)
c.Assert(isTruncated, Equals, true)
c.Assert(len(listObjects), Equals, 2)
}