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minio/pkg/storage/donut/donut_test.go

333 lines
9.6 KiB

/*
* 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"
"strconv"
"testing"
"time"
. "github.com/minio-io/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 := path.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
buckets, err := donut.ListBuckets()
c.Assert(err, IsNil)
c.Assert(buckets, IsNil)
}
// 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("")
c.Assert(err, Not(IsNil))
err = donut.MakeBucket(" ")
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"), 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")
c.Assert(err, IsNil)
// check bucket exists
buckets, err := donut.ListBuckets()
c.Assert(err, IsNil)
c.Assert(buckets, DeepEquals, []string{"foo"})
}
// 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")
c.Assert(err, IsNil)
err = donut.MakeBucket("foo")
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")
c.Assert(err, IsNil)
err = donut.MakeBucket("bar")
c.Assert(err, IsNil)
buckets, err := donut.ListBuckets()
c.Assert(err, IsNil)
c.Assert(buckets, DeepEquals, []string{"bar", "foo"})
err = donut.MakeBucket("foobar")
c.Assert(err, IsNil)
buckets, err = donut.ListBuckets()
c.Assert(err, IsNil)
c.Assert(buckets, DeepEquals, []string{"bar", "foo", "foobar"})
}
// 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)))
err = donut.MakeBucket("foo")
c.Assert(err, IsNil)
err = donut.PutObject("foo", "obj", expectedMd5Sum, reader, metadata)
c.Assert(err, IsNil)
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))
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")
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)))
err = donut.PutObject("foo", "obj", expectedMd5Sum, reader, metadata)
c.Assert(err, IsNil)
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"), IsNil)
one := ioutil.NopCloser(bytes.NewReader([]byte("one")))
err = donut.PutObject("foo", "obj1", "", one, nil)
c.Assert(err, IsNil)
two := ioutil.NopCloser(bytes.NewReader([]byte("two")))
err = donut.PutObject("foo", "obj2", "", two, nil)
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", 1)
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")))
err = donut.PutObject("foo", "obj3", "", three, nil)
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)
}