func TestDownloadError(t *testing.T) {
s, names, _ := dlLoggingSvc([]byte{1, 2, 3})
opts := &s3manager.DownloadOptions{S3: s, PartSize: 1, Concurrency: 1}
num := 0
s.Handlers.Send.PushBack(func(r *request.Request) {
num++
if num > 1 {
r.HTTPResponse.StatusCode = 400
r.HTTPResponse.Body = ioutil.NopCloser(bytes.NewReader([]byte{}))
}
})
d := s3manager.NewDownloader(opts)
w := &aws.WriteAtBuffer{}
n, err := d.Download(w, &s3.GetObjectInput{
Bucket: aws.String("bucket"),
Key: aws.String("key"),
})
assert.NotNil(t, err)
assert.Equal(t, int64(1), n)
assert.Equal(t, []string{"GetObject", "GetObject"}, *names)
assert.Equal(t, []byte{1}, w.Bytes())
}
func validate(t *testing.T, key string, md5value string) {
mgr := s3manager.NewDownloader(nil)
params := &s3.GetObjectInput{Bucket: bucketName, Key: &key}
w := newDLWriter(1024 * 1024 * 20)
n, err := mgr.Download(w, params)
assert.NoError(t, err)
assert.Equal(t, md5value, fmt.Sprintf("%x", md5.Sum(w.buf[0:n])))
}
func TestDownloadZero(t *testing.T) {
s, names, ranges := dlLoggingSvc([]byte{})
opts := &s3manager.DownloadOptions{S3: s}
d := s3manager.NewDownloader(opts)
w := &aws.WriteAtBuffer{}
n, err := d.Download(w, &s3.GetObjectInput{
Bucket: aws.String("bucket"),
Key: aws.String("key"),
})
assert.Nil(t, err)
assert.Equal(t, int64(0), n)
assert.Equal(t, []string{"GetObject"}, *names)
assert.Equal(t, []string{"bytes=0-5242879"}, *ranges)
}
func TestDownloadSetPartSize(t *testing.T) {
s, names, ranges := dlLoggingSvc([]byte{1, 2, 3})
opts := &s3manager.DownloadOptions{S3: s, PartSize: 1, Concurrency: 1}
d := s3manager.NewDownloader(opts)
w := &aws.WriteAtBuffer{}
n, err := d.Download(w, &s3.GetObjectInput{
Bucket: aws.String("bucket"),
Key: aws.String("key"),
})
assert.Nil(t, err)
assert.Equal(t, int64(3), n)
assert.Equal(t, []string{"GetObject", "GetObject", "GetObject"}, *names)
assert.Equal(t, []string{"bytes=0-0", "bytes=1-1", "bytes=2-2"}, *ranges)
assert.Equal(t, []byte{1, 2, 3}, w.Bytes())
}
func TestDownloadOrder(t *testing.T) {
s, names, ranges := dlLoggingSvc(buf12MB)
opts := &s3manager.DownloadOptions{S3: s, Concurrency: 1}
d := s3manager.NewDownloader(opts)
w := &aws.WriteAtBuffer{}
n, err := d.Download(w, &s3.GetObjectInput{
Bucket: aws.String("bucket"),
Key: aws.String("key"),
})
assert.Nil(t, err)
assert.Equal(t, int64(len(buf12MB)), n)
assert.Equal(t, []string{"GetObject", "GetObject", "GetObject"}, *names)
assert.Equal(t, []string{"bytes=0-5242879", "bytes=5242880-10485759", "bytes=10485760-15728639"}, *ranges)
count := 0
for _, b := range w.Bytes() {
count += int(b)
}
assert.Equal(t, 0, count)
}