minio/pkg/donut/donut-v2_test.go

266 lines
7.9 KiB
Go

/*
* Minio Cloud 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 impliedc.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package donut
import (
"bytes"
"crypto/md5"
"encoding/base64"
"encoding/hex"
"io/ioutil"
"os"
"path/filepath"
"testing"
. "gopkg.in/check.v1"
)
func TestCache(t *testing.T) { TestingT(t) }
type MyCacheSuite struct {
root string
}
var _ = Suite(&MyCacheSuite{})
var dc Interface
func (s *MyCacheSuite) SetUpSuite(c *C) {
root, err := ioutil.TempDir(os.TempDir(), "donut-")
c.Assert(err, IsNil)
s.root = root
SetDonutConfigPath(filepath.Join(root, "donut.json"))
dc, err = New()
c.Assert(err, IsNil)
// testing empty cache
buckets, err := dc.ListBuckets(nil)
c.Assert(err, IsNil)
c.Assert(len(buckets), Equals, 0)
}
func (s *MyCacheSuite) TearDownSuite(c *C) {
os.RemoveAll(s.root)
}
// test make bucket without name
func (s *MyCacheSuite) TestBucketWithoutNameFails(c *C) {
// fail to create new bucket without a name
err := dc.MakeBucket("", "private", nil, nil)
c.Assert(err, Not(IsNil))
err = dc.MakeBucket(" ", "private", nil, nil)
c.Assert(err, Not(IsNil))
}
// test empty bucket
func (s *MyCacheSuite) TestEmptyBucket(c *C) {
c.Assert(dc.MakeBucket("foo1", "private", nil, nil), IsNil)
// check if bucket is empty
var resources BucketResourcesMetadata
resources.Maxkeys = 1
objectsMetadata, resources, err := dc.ListObjects("foo1", resources, nil)
c.Assert(err, IsNil)
c.Assert(len(objectsMetadata), Equals, 0)
c.Assert(resources.CommonPrefixes, DeepEquals, []string{})
c.Assert(resources.IsTruncated, Equals, false)
}
// test bucket list
func (s *MyCacheSuite) TestMakeBucketAndList(c *C) {
// create bucket
err := dc.MakeBucket("foo2", "private", nil, nil)
c.Assert(err, IsNil)
// check bucket exists
buckets, err := dc.ListBuckets(nil)
c.Assert(err, IsNil)
c.Assert(len(buckets), Equals, 5)
c.Assert(buckets[0].ACL, Equals, BucketACL("private"))
}
// test re-create bucket
func (s *MyCacheSuite) TestMakeBucketWithSameNameFails(c *C) {
err := dc.MakeBucket("foo3", "private", nil, nil)
c.Assert(err, IsNil)
err = dc.MakeBucket("foo3", "private", nil, nil)
c.Assert(err, Not(IsNil))
}
// test make multiple buckets
func (s *MyCacheSuite) TestCreateMultipleBucketsAndList(c *C) {
// add a second bucket
err := dc.MakeBucket("foo4", "private", nil, nil)
c.Assert(err, IsNil)
err = dc.MakeBucket("bar1", "private", nil, nil)
c.Assert(err, IsNil)
buckets, err := dc.ListBuckets(nil)
c.Assert(err, IsNil)
c.Assert(len(buckets), Equals, 2)
c.Assert(buckets[0].Name, Equals, "bar1")
c.Assert(buckets[1].Name, Equals, "foo4")
err = dc.MakeBucket("foobar1", "private", nil, nil)
c.Assert(err, IsNil)
buckets, err = dc.ListBuckets(nil)
c.Assert(err, IsNil)
c.Assert(len(buckets), Equals, 3)
c.Assert(buckets[2].Name, Equals, "foobar1")
}
// test object create without bucket
func (s *MyCacheSuite) TestNewObjectFailsWithoutBucket(c *C) {
_, err := dc.CreateObject("unknown", "obj", "", 0, nil, nil, nil)
c.Assert(err, Not(IsNil))
}
// test create object metadata
func (s *MyCacheSuite) TestNewObjectMetadata(c *C) {
data := "Hello World"
hasher := md5.New()
hasher.Write([]byte(data))
expectedMd5Sum := base64.StdEncoding.EncodeToString(hasher.Sum(nil))
reader := ioutil.NopCloser(bytes.NewReader([]byte(data)))
err := dc.MakeBucket("foo6", "private", nil, nil)
c.Assert(err, IsNil)
objectMetadata, err := dc.CreateObject("foo6", "obj", expectedMd5Sum, int64(len(data)), reader, map[string]string{"contentType": "application/json"}, nil)
c.Assert(err, IsNil)
c.Assert(objectMetadata.MD5Sum, Equals, hex.EncodeToString(hasher.Sum(nil)))
c.Assert(objectMetadata.Metadata["contentType"], Equals, "application/json")
}
// test create object fails without name
func (s *MyCacheSuite) TestNewObjectFailsWithEmptyName(c *C) {
_, err := dc.CreateObject("foo", "", "", 0, nil, nil, nil)
c.Assert(err, Not(IsNil))
}
// test create object
func (s *MyCacheSuite) TestNewObjectCanBeWritten(c *C) {
err := dc.MakeBucket("foo", "private", nil, nil)
c.Assert(err, IsNil)
data := "Hello World"
hasher := md5.New()
hasher.Write([]byte(data))
expectedMd5Sum := base64.StdEncoding.EncodeToString(hasher.Sum(nil))
reader := ioutil.NopCloser(bytes.NewReader([]byte(data)))
actualMetadata, err := dc.CreateObject("foo", "obj", expectedMd5Sum, int64(len(data)), reader, map[string]string{"contentType": "application/octet-stream"}, nil)
c.Assert(err, IsNil)
c.Assert(actualMetadata.MD5Sum, Equals, hex.EncodeToString(hasher.Sum(nil)))
var buffer bytes.Buffer
size, err := dc.GetObject(&buffer, "foo", "obj")
c.Assert(err, IsNil)
c.Assert(size, Equals, int64(len(data)))
c.Assert(buffer.Bytes(), DeepEquals, []byte(data))
actualMetadata, err = dc.GetObjectMetadata("foo", "obj", nil)
c.Assert(err, IsNil)
c.Assert(hex.EncodeToString(hasher.Sum(nil)), Equals, actualMetadata.MD5Sum)
c.Assert(int64(len(data)), Equals, actualMetadata.Size)
}
// test list objects
func (s *MyCacheSuite) TestMultipleNewObjects(c *C) {
c.Assert(dc.MakeBucket("foo5", "private", nil, nil), IsNil)
one := ioutil.NopCloser(bytes.NewReader([]byte("one")))
_, err := dc.CreateObject("foo5", "obj1", "", int64(len("one")), one, nil, nil)
c.Assert(err, IsNil)
two := ioutil.NopCloser(bytes.NewReader([]byte("two")))
_, err = dc.CreateObject("foo5", "obj2", "", int64(len("two")), two, nil, nil)
c.Assert(err, IsNil)
var buffer1 bytes.Buffer
size, err := dc.GetObject(&buffer1, "foo5", "obj1")
c.Assert(err, IsNil)
c.Assert(size, Equals, int64(len([]byte("one"))))
c.Assert(buffer1.Bytes(), DeepEquals, []byte("one"))
var buffer2 bytes.Buffer
size, err = dc.GetObject(&buffer2, "foo5", "obj2")
c.Assert(err, IsNil)
c.Assert(size, Equals, int64(len([]byte("two"))))
c.Assert(buffer2.Bytes(), DeepEquals, []byte("two"))
/// test list of objects
// test list objects with prefix and delimiter
var resources BucketResourcesMetadata
resources.Prefix = "o"
resources.Delimiter = "1"
resources.Maxkeys = 10
objectsMetadata, resources, err := dc.ListObjects("foo5", resources, nil)
c.Assert(err, IsNil)
c.Assert(resources.IsTruncated, Equals, false)
c.Assert(resources.CommonPrefixes[0], Equals, "obj1")
// test list objects with only delimiter
resources.Prefix = ""
resources.Delimiter = "1"
resources.Maxkeys = 10
objectsMetadata, resources, err = dc.ListObjects("foo5", resources, nil)
c.Assert(err, IsNil)
c.Assert(objectsMetadata[0].Object, Equals, "obj2")
c.Assert(resources.IsTruncated, Equals, false)
c.Assert(resources.CommonPrefixes[0], Equals, "obj1")
// test list objects with only prefix
resources.Prefix = "o"
resources.Delimiter = ""
resources.Maxkeys = 10
objectsMetadata, resources, err = dc.ListObjects("foo5", resources, nil)
c.Assert(err, IsNil)
c.Assert(resources.IsTruncated, Equals, false)
c.Assert(objectsMetadata[0].Object, Equals, "obj1")
c.Assert(objectsMetadata[1].Object, Equals, "obj2")
three := ioutil.NopCloser(bytes.NewReader([]byte("three")))
_, err = dc.CreateObject("foo5", "obj3", "", int64(len("three")), three, nil, nil)
c.Assert(err, IsNil)
var buffer bytes.Buffer
size, err = dc.GetObject(&buffer, "foo5", "obj3")
c.Assert(err, IsNil)
c.Assert(size, Equals, int64(len([]byte("three"))))
c.Assert(buffer.Bytes(), DeepEquals, []byte("three"))
// test list objects with maxkeys
resources.Prefix = "o"
resources.Delimiter = ""
resources.Maxkeys = 2
objectsMetadata, resources, err = dc.ListObjects("foo5", resources, nil)
c.Assert(err, IsNil)
c.Assert(resources.IsTruncated, Equals, true)
c.Assert(len(objectsMetadata), Equals, 2)
}