func (s *S3Suite) TestS3Connection(c *C) {
createBucket := s3.CreateBucketInput{Bucket: aws.String("bucket")}
_, err := s.svc.CreateBucket(&createBucket)
c.Assert(err, IsNil)
conn := NewS3Connection(credentials.AnonymousCredentials, "bucket", "prefix", s.region, s.endpoint)
files, err := conn.ListDir("path", nil)
c.Assert(err, IsNil)
c.Assert(len(files.Files), Equals, 0)
buffer := bytes.NewReader(make([]byte, 100))
putObject := s3.PutObjectInput{}
putObject.Bucket = aws.String("bucket")
putObject.Key = aws.String("prefix/banana")
putObject.Body = buffer
s.svc.PutObject(&putObject)
putObject = s3.PutObjectInput{}
putObject.Bucket = aws.String("bucket")
putObject.Key = aws.String("prefix/sampledir/")
putObject.Body = bytes.NewReader(make([]byte, 0))
s.svc.PutObject(&putObject)
putObject = s3.PutObjectInput{}
putObject.Bucket = aws.String("bucket")
putObject.Key = aws.String("prefix/sampledir/a")
putObject.Body = bytes.NewReader(make([]byte, 0))
s.svc.PutObject(&putObject)
putObject = s3.PutObjectInput{}
putObject.Bucket = aws.String("bucket")
putObject.Key = aws.String("prefix/sampledir/b")
putObject.Body = bytes.NewReader(make([]byte, 0))
s.svc.PutObject(&putObject)
files, err = conn.ListDir("", nil)
fmt.Printf("files=%s\n", files)
c.Assert(err, IsNil)
c.Assert(len(files.Files), Equals, 2)
f := files.Files[1]
c.Assert(f.Name, Equals, "banana")
c.Assert(f.Size, Equals, uint64(100))
c.Assert(f.IsDir, Equals, false)
f = files.Files[0]
c.Assert(f.Name, Equals, "sampledir")
c.Assert(f.Size, Equals, uint64(0))
c.Assert(f.IsDir, Equals, true)
}
func (s *S3Suite) TestS3ModifyDuringRead(c *C) {
createBucket := s3.CreateBucketInput{Bucket: aws.String("modified")}
_, err := s.svc.CreateBucket(&createBucket)
c.Assert(err, IsNil)
// upload a file
buffer := bytes.NewReader(make([]byte, 100))
putObject := s3.PutObjectInput{}
putObject.Bucket = aws.String("modified")
putObject.Key = aws.String("prefix/banana")
putObject.Body = buffer
s.svc.PutObject(&putObject)
// make sure ListDir sees it
conn := NewS3Connection(credentials.AnonymousCredentials, "modified", "prefix", s.region, s.endpoint)
files, err := conn.ListDir("", nil)
c.Assert(err, IsNil)
c.Assert(len(files.Files), Equals, 1)
f := files.Files[0]
c.Assert(f.Name, Equals, "banana")
localFile, _ := ioutil.TempFile(c.MkDir(), "local")
localPath := localFile.Name()
localFile.Close()
status := &NullStatusCallback{}
// Perform a read
region, err := conn.PrepareForRead("banana", f.Etag, localPath, 0, 10, status)
c.Assert(err, IsNil)
c.Assert(region.Offset, Equals, uint64(0))
c.Assert(region.Length, Equals, uint64(10))
// upload new version of object
buffer = bytes.NewReader(make([]byte, 101))
putObject = s3.PutObjectInput{}
putObject.Bucket = aws.String("modified")
putObject.Key = aws.String("prefix/banana")
putObject.Body = buffer
s.svc.PutObject(&putObject)
// try a read, and we should get a failure because data changed, and hence Etag
_, err = conn.PrepareForRead("banana", f.Etag, localPath, 10, 20, status)
c.Assert(err, Equals, UpdateDetected)
}
