restic/vendor/src/github.com/minio/minio-go/api_functional_v4_test.go

2411 lines
64 KiB
Go

/*
* Minio Go Library for Amazon S3 Compatible 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 implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package minio
import (
"bytes"
"encoding/hex"
"errors"
"fmt"
"io"
"io/ioutil"
"math/rand"
"net/http"
"net/url"
"os"
"strconv"
"strings"
"testing"
"time"
"github.com/minio/minio-go/pkg/encrypt"
"github.com/minio/minio-go/pkg/policy"
)
const letterBytes = "abcdefghijklmnopqrstuvwxyz01234569"
const (
letterIdxBits = 6 // 6 bits to represent a letter index
letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
letterIdxMax = 63 / letterIdxBits // # of letter indices fitting in 63 bits
)
// randString generates random names and prepends them with a known prefix.
func randString(n int, src rand.Source, prefix string) string {
b := make([]byte, n)
// A rand.Int63() generates 63 random bits, enough for letterIdxMax letters!
for i, cache, remain := n-1, src.Int63(), letterIdxMax; i >= 0; {
if remain == 0 {
cache, remain = src.Int63(), letterIdxMax
}
if idx := int(cache & letterIdxMask); idx < len(letterBytes) {
b[i] = letterBytes[idx]
i--
}
cache >>= letterIdxBits
remain--
}
return prefix + string(b[0:30-len(prefix)])
}
// Tests bucket re-create errors.
func TestMakeBucketError(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
if os.Getenv(serverEndpoint) != "s3.amazonaws.com" {
t.Skip("skipping region functional tests for non s3 runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket in 'eu-central-1'.
if err = c.MakeBucket(bucketName, "eu-central-1"); err != nil {
t.Fatal("Error:", err, bucketName)
}
if err = c.MakeBucket(bucketName, "eu-central-1"); err == nil {
t.Fatal("Error: make bucket should should fail for", bucketName)
}
// Verify valid error response from server.
if ToErrorResponse(err).Code != "BucketAlreadyExists" &&
ToErrorResponse(err).Code != "BucketAlreadyOwnedByYou" {
t.Fatal("Error: Invalid error returned by server", err)
}
if err = c.RemoveBucket(bucketName); err != nil {
t.Fatal("Error:", err, bucketName)
}
if err = c.MakeBucket(bucketName+"..-1", "eu-central-1"); err == nil {
t.Fatal("Error:", err, bucketName+"..-1")
}
// Verify valid error response.
if err != nil && err.Error() != "Bucket name contains invalid characters" {
t.Fatal("Error: Invalid error returned by server", err)
}
if err = c.MakeBucket(bucketName+"AAA-1", "eu-central-1"); err == nil {
t.Fatal("Error:", err, bucketName+"..-1")
}
// Verify valid error response.
if err != nil && err.Error() != "Bucket name contains invalid characters" {
t.Fatal("Error: Invalid error returned by server", err)
}
}
// Tests various bucket supported formats.
func TestMakeBucketRegions(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
if os.Getenv(serverEndpoint) != "s3.amazonaws.com" {
t.Skip("skipping region functional tests for non s3 runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket in 'eu-central-1'.
if err = c.MakeBucket(bucketName, "eu-central-1"); err != nil {
t.Fatal("Error:", err, bucketName)
}
if err = c.RemoveBucket(bucketName); err != nil {
t.Fatal("Error:", err, bucketName)
}
// Make a new bucket with '.' in its name, in 'us-west-2'. This
// request is internally staged into a path style instead of
// virtual host style.
if err = c.MakeBucket(bucketName+".withperiod", "us-west-2"); err != nil {
t.Fatal("Error:", err, bucketName+".withperiod")
}
// Remove the newly created bucket.
if err = c.RemoveBucket(bucketName + ".withperiod"); err != nil {
t.Fatal("Error:", err, bucketName+".withperiod")
}
}
// Test PutObject using a large data to trigger multipart readat
func TestPutObjectReadAt(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate data using 4 parts so that all 3 'workers' are utilized and a part is leftover.
// Use different data for each part for multipart tests to ensure part order at the end.
var buf []byte
for i := 0; i < 4; i++ {
buf = append(buf, bytes.Repeat([]byte(string('a'+i)), minPartSize)...)
}
// Save the data
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
// Object content type
objectContentType := "binary/octet-stream"
n, err := c.PutObject(bucketName, objectName, bytes.NewReader(buf), objectContentType)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if n != int64(len(buf)) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", len(buf), n)
}
// Read the data back
r, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
st, err := r.Stat()
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if st.Size != int64(len(buf)) {
t.Fatalf("Error: number of bytes in stat does not match, want %v, got %v\n",
len(buf), st.Size)
}
if st.ContentType != objectContentType {
t.Fatalf("Error: Content types don't match, expected: %+v, found: %+v\n", objectContentType, st.ContentType)
}
if err := r.Close(); err != nil {
t.Fatal("Error:", err)
}
if err := r.Close(); err == nil {
t.Fatal("Error: object is already closed, should return error")
}
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Test PutObject using a large data to trigger multipart readat
func TestPutObjectWithMetadata(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate data using 2 parts
// Use different data in each part for multipart tests to ensure part order at the end.
var buf []byte
for i := 0; i < 2; i++ {
buf = append(buf, bytes.Repeat([]byte(string('a'+i)), minPartSize)...)
}
// Save the data
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
// Object custom metadata
customContentType := "custom/contenttype"
n, err := c.PutObjectWithMetadata(bucketName, objectName, bytes.NewReader(buf), map[string][]string{
"Content-Type": {customContentType},
}, nil)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if n != int64(len(buf)) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", len(buf), n)
}
// Read the data back
r, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
st, err := r.Stat()
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if st.Size != int64(len(buf)) {
t.Fatalf("Error: number of bytes in stat does not match, want %v, got %v\n",
len(buf), st.Size)
}
if st.ContentType != customContentType {
t.Fatalf("Error: Expected and found content types do not match, want %v, got %v\n",
customContentType, st.ContentType)
}
if err := r.Close(); err != nil {
t.Fatal("Error:", err)
}
if err := r.Close(); err == nil {
t.Fatal("Error: object is already closed, should return error")
}
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Test put object with streaming signature.
func TestPutObjectStreaming(t *testing.T) {
if testing.Short() {
t.Skip("skipping function tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()),
"minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Upload an object.
sizes := []int64{0, 64*1024 - 1, 64 * 1024}
objectName := "test-object"
for i, size := range sizes {
data := bytes.Repeat([]byte("a"), int(size))
n, err := c.PutObjectStreaming(bucketName, objectName, bytes.NewReader(data))
if err != nil {
t.Fatalf("Test %d Error: %v %s %s", i+1, err, bucketName, objectName)
}
if n != size {
t.Errorf("Test %d Expected upload object size %d but got %d", i+1, size, n)
}
}
// Remove the object.
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err)
}
// Remove the bucket.
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Test listing no partially uploaded objects upon putObject error.
func TestListNoPartiallyUploadedObjects(t *testing.T) {
if testing.Short() {
t.Skip("skipping function tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Enable tracing, write to stdout.
// c.TraceOn(os.Stderr)
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
r := bytes.NewReader(bytes.Repeat([]byte("0"), minPartSize*2))
reader, writer := io.Pipe()
go func() {
i := 0
for i < 25 {
_, cerr := io.CopyN(writer, r, (minPartSize*2)/25)
if cerr != nil {
t.Fatal("Error:", cerr, bucketName)
}
i++
r.Seek(0, 0)
}
writer.CloseWithError(errors.New("proactively closed to be verified later"))
}()
objectName := bucketName + "-resumable"
_, err = c.PutObject(bucketName, objectName, reader, "application/octet-stream")
if err == nil {
t.Fatal("Error: PutObject should fail.")
}
if !strings.Contains(err.Error(), "proactively closed to be verified later") {
t.Fatal("Error:", err)
}
doneCh := make(chan struct{})
defer close(doneCh)
isRecursive := true
multiPartObjectCh := c.ListIncompleteUploads(bucketName, objectName, isRecursive, doneCh)
var activeUploads bool
for multiPartObject := range multiPartObjectCh {
if multiPartObject.Err != nil {
t.Fatalf("Error: Error when listing incomplete upload")
}
activeUploads = true
}
if activeUploads {
t.Errorf("There should be no active uploads in progress upon error for %s/%s", bucketName, objectName)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Test get object seeker from the end, using whence set to '2'.
func TestGetOjectSeekEnd(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate data more than 32K
buf := bytes.Repeat([]byte("1"), rand.Intn(1<<20)+32*1024)
// Save the data
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
n, err := c.PutObject(bucketName, objectName, bytes.NewReader(buf), "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if n != int64(len(buf)) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", len(buf), n)
}
// Read the data back
r, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
st, err := r.Stat()
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if st.Size != int64(len(buf)) {
t.Fatalf("Error: number of bytes in stat does not match, want %v, got %v\n",
len(buf), st.Size)
}
pos, err := r.Seek(-100, 2)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if pos != st.Size-100 {
t.Fatalf("Expected %d, got %d instead", pos, st.Size-100)
}
buf2 := make([]byte, 100)
m, err := io.ReadFull(r, buf2)
if err != nil {
t.Fatal("Error: reading through io.ReadFull", err, bucketName, objectName)
}
if m != len(buf2) {
t.Fatalf("Expected %d bytes, got %d", len(buf2), m)
}
hexBuf1 := fmt.Sprintf("%02x", buf[len(buf)-100:])
hexBuf2 := fmt.Sprintf("%02x", buf2[:m])
if hexBuf1 != hexBuf2 {
t.Fatalf("Expected %s, got %s instead", hexBuf1, hexBuf2)
}
pos, err = r.Seek(-100, 2)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if pos != st.Size-100 {
t.Fatalf("Expected %d, got %d instead", pos, st.Size-100)
}
if err = r.Close(); err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
}
// Test get object reader to not throw error on being closed twice.
func TestGetObjectClosedTwice(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate data more than 32K
buf := bytes.Repeat([]byte("1"), rand.Intn(1<<20)+32*1024)
// Save the data
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
n, err := c.PutObject(bucketName, objectName, bytes.NewReader(buf), "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if n != int64(len(buf)) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", len(buf), n)
}
// Read the data back
r, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
st, err := r.Stat()
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if st.Size != int64(len(buf)) {
t.Fatalf("Error: number of bytes in stat does not match, want %v, got %v\n",
len(buf), st.Size)
}
if err := r.Close(); err != nil {
t.Fatal("Error:", err)
}
if err := r.Close(); err == nil {
t.Fatal("Error: object is already closed, should return error")
}
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Test removing multiple objects with Remove API
func TestRemoveMultipleObjects(t *testing.T) {
if testing.Short() {
t.Skip("skipping function tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Enable tracing, write to stdout.
// c.TraceOn(os.Stderr)
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
r := bytes.NewReader(bytes.Repeat([]byte("a"), 8))
// Multi remove of 1100 objects
nrObjects := 1100
objectsCh := make(chan string)
go func() {
defer close(objectsCh)
// Upload objects and send them to objectsCh
for i := 0; i < nrObjects; i++ {
objectName := "sample" + strconv.Itoa(i) + ".txt"
_, err = c.PutObject(bucketName, objectName, r, "application/octet-stream")
if err != nil {
t.Error("Error: PutObject shouldn't fail.", err)
continue
}
objectsCh <- objectName
}
}()
// Call RemoveObjects API
errorCh := c.RemoveObjects(bucketName, objectsCh)
// Check if errorCh doesn't receive any error
select {
case r, more := <-errorCh:
if more {
t.Fatalf("Unexpected error, objName(%v) err(%v)", r.ObjectName, r.Err)
}
}
// Clean the bucket created by the test
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Tests FPutObject of a big file to trigger multipart
func TestFPutObjectMultipart(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Make a temp file with minPartSize*4 bytes of data.
file, err := ioutil.TempFile(os.TempDir(), "FPutObjectTest")
if err != nil {
t.Fatal("Error:", err)
}
// Upload 4 parts to utilize all 3 'workers' in multipart and still have a part to upload.
var buffer []byte
for i := 0; i < 4; i++ {
buffer = append(buffer, bytes.Repeat([]byte(string('a'+i)), minPartSize)...)
}
size, err := file.Write(buffer)
if err != nil {
t.Fatal("Error:", err)
}
if size != minPartSize*4 {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", minPartSize*4, size)
}
// Close the file pro-actively for windows.
err = file.Close()
if err != nil {
t.Fatal("Error:", err)
}
// Set base object name
objectName := bucketName + "FPutObject"
objectContentType := "testapplication/octet-stream"
// Perform standard FPutObject with contentType provided (Expecting application/octet-stream)
n, err := c.FPutObject(bucketName, objectName+"-standard", file.Name(), objectContentType)
if err != nil {
t.Fatal("Error:", err)
}
if n != int64(minPartSize*4) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", minPartSize*4, n)
}
r, err := c.GetObject(bucketName, objectName+"-standard")
if err != nil {
t.Fatalf("Unexpected error: %v\n", err)
}
objInfo, err := r.Stat()
if err != nil {
t.Fatalf("Unexpected error: %v\n", err)
}
if objInfo.Size != minPartSize*4 {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", minPartSize*4, n)
}
if objInfo.ContentType != objectContentType {
t.Fatalf("Error: Content types don't match, want %v, got %v\n", objectContentType, objInfo.ContentType)
}
// Remove all objects and bucket and temp file
err = c.RemoveObject(bucketName, objectName+"-standard")
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Tests FPutObject hidden contentType setting
func TestFPutObject(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Make a temp file with minPartSize*4 bytes of data.
file, err := ioutil.TempFile(os.TempDir(), "FPutObjectTest")
if err != nil {
t.Fatal("Error:", err)
}
// Upload 4 parts worth of data to use all 3 of multiparts 'workers' and have an extra part.
// Use different data in part for multipart tests to check parts are uploaded in correct order.
var buffer []byte
for i := 0; i < 4; i++ {
buffer = append(buffer, bytes.Repeat([]byte(string('a'+i)), minPartSize)...)
}
// Write the data to the file.
size, err := file.Write(buffer)
if err != nil {
t.Fatal("Error:", err)
}
if size != minPartSize*4 {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", minPartSize*4, size)
}
// Close the file pro-actively for windows.
err = file.Close()
if err != nil {
t.Fatal("Error:", err)
}
// Set base object name
objectName := bucketName + "FPutObject"
// Perform standard FPutObject with contentType provided (Expecting application/octet-stream)
n, err := c.FPutObject(bucketName, objectName+"-standard", file.Name(), "application/octet-stream")
if err != nil {
t.Fatal("Error:", err)
}
if n != int64(minPartSize*4) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", minPartSize*4, n)
}
// Perform FPutObject with no contentType provided (Expecting application/octet-stream)
n, err = c.FPutObject(bucketName, objectName+"-Octet", file.Name(), "")
if err != nil {
t.Fatal("Error:", err)
}
if n != int64(minPartSize*4) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", minPartSize*4, n)
}
// Add extension to temp file name
fileName := file.Name()
err = os.Rename(file.Name(), fileName+".gtar")
if err != nil {
t.Fatal("Error:", err)
}
// Perform FPutObject with no contentType provided (Expecting application/x-gtar)
n, err = c.FPutObject(bucketName, objectName+"-GTar", fileName+".gtar", "")
if err != nil {
t.Fatal("Error:", err)
}
if n != int64(minPartSize*4) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", minPartSize*4, n)
}
// Check headers
rStandard, err := c.StatObject(bucketName, objectName+"-standard")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName+"-standard")
}
if rStandard.ContentType != "application/octet-stream" {
t.Fatalf("Error: Content-Type headers mismatched, want %v, got %v\n",
"application/octet-stream", rStandard.ContentType)
}
rOctet, err := c.StatObject(bucketName, objectName+"-Octet")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName+"-Octet")
}
if rOctet.ContentType != "application/octet-stream" {
t.Fatalf("Error: Content-Type headers mismatched, want %v, got %v\n",
"application/octet-stream", rStandard.ContentType)
}
rGTar, err := c.StatObject(bucketName, objectName+"-GTar")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName+"-GTar")
}
if rGTar.ContentType != "application/x-gtar" {
t.Fatalf("Error: Content-Type headers mismatched, want %v, got %v\n",
"application/x-gtar", rStandard.ContentType)
}
// Remove all objects and bucket and temp file
err = c.RemoveObject(bucketName, objectName+"-standard")
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveObject(bucketName, objectName+"-Octet")
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveObject(bucketName, objectName+"-GTar")
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
err = os.Remove(fileName + ".gtar")
if err != nil {
t.Fatal("Error:", err)
}
}
// Tests get object ReaderSeeker interface methods.
func TestGetObjectReadSeekFunctional(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate data more than 32K
buf := bytes.Repeat([]byte("2"), rand.Intn(1<<20)+32*1024)
bufSize := len(buf)
// Save the data
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
n, err := c.PutObject(bucketName, objectName, bytes.NewReader(buf), "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if n != int64(bufSize) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", len(buf), n)
}
defer func() {
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}()
// Read the data back
r, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
st, err := r.Stat()
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if st.Size != int64(bufSize) {
t.Fatalf("Error: number of bytes in stat does not match, want %v, got %v\n",
len(buf), st.Size)
}
// This following function helps us to compare data from the reader after seek
// with the data from the original buffer
cmpData := func(r io.Reader, start, end int) {
if end-start == 0 {
return
}
buffer := bytes.NewBuffer([]byte{})
if _, err := io.CopyN(buffer, r, int64(bufSize)); err != nil {
if err != io.EOF {
t.Fatal("Error:", err)
}
}
if !bytes.Equal(buf[start:end], buffer.Bytes()) {
t.Fatal("Error: Incorrect read bytes v/s original buffer.")
}
}
// Generic seek error for errors other than io.EOF
seekErr := errors.New("seek error")
testCases := []struct {
offset int64
whence int
pos int64
err error
shouldCmp bool
start int
end int
}{
// Start from offset 0, fetch data and compare
{0, 0, 0, nil, true, 0, 0},
// Start from offset 2048, fetch data and compare
{2048, 0, 2048, nil, true, 2048, bufSize},
// Start from offset larger than possible
{int64(bufSize) + 1024, 0, 0, seekErr, false, 0, 0},
// Move to offset 0 without comparing
{0, 0, 0, nil, false, 0, 0},
// Move one step forward and compare
{1, 1, 1, nil, true, 1, bufSize},
// Move larger than possible
{int64(bufSize), 1, 0, seekErr, false, 0, 0},
// Provide negative offset with CUR_SEEK
{int64(-1), 1, 0, seekErr, false, 0, 0},
// Test with whence SEEK_END and with positive offset
{1024, 2, int64(bufSize) - 1024, io.EOF, true, 0, 0},
// Test with whence SEEK_END and with negative offset
{-1024, 2, int64(bufSize) - 1024, nil, true, bufSize - 1024, bufSize},
// Test with whence SEEK_END and with large negative offset
{-int64(bufSize) * 2, 2, 0, seekErr, true, 0, 0},
}
for i, testCase := range testCases {
// Perform seek operation
n, err := r.Seek(testCase.offset, testCase.whence)
// We expect an error
if testCase.err == seekErr && err == nil {
t.Fatalf("Test %d, unexpected err value: expected: %v, found: %v", i+1, testCase.err, err)
}
// We expect a specific error
if testCase.err != seekErr && testCase.err != err {
t.Fatalf("Test %d, unexpected err value: expected: %v, found: %v", i+1, testCase.err, err)
}
// If we expect an error go to the next loop
if testCase.err != nil {
continue
}
// Check the returned seek pos
if n != testCase.pos {
t.Fatalf("Test %d, error: number of bytes seeked does not match, want %v, got %v\n", i+1,
testCase.pos, n)
}
// Compare only if shouldCmp is activated
if testCase.shouldCmp {
cmpData(r, testCase.start, testCase.end)
}
}
}
// Tests get object ReaderAt interface methods.
func TestGetObjectReadAtFunctional(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate data more than 32K
buf := bytes.Repeat([]byte("3"), rand.Intn(1<<20)+32*1024)
// Save the data
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
n, err := c.PutObject(bucketName, objectName, bytes.NewReader(buf), "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if n != int64(len(buf)) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", len(buf), n)
}
// read the data back
r, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
offset := int64(2048)
// read directly
buf1 := make([]byte, 512)
buf2 := make([]byte, 512)
buf3 := make([]byte, 512)
buf4 := make([]byte, 512)
// Test readAt before stat is called.
m, err := r.ReadAt(buf1, offset)
if err != nil {
t.Fatal("Error:", err, len(buf1), offset)
}
if m != len(buf1) {
t.Fatalf("Error: ReadAt read shorter bytes before reaching EOF, want %v, got %v\n", m, len(buf1))
}
if !bytes.Equal(buf1, buf[offset:offset+512]) {
t.Fatal("Error: Incorrect read between two ReadAt from same offset.")
}
offset += 512
st, err := r.Stat()
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if st.Size != int64(len(buf)) {
t.Fatalf("Error: number of bytes in stat does not match, want %v, got %v\n",
len(buf), st.Size)
}
m, err = r.ReadAt(buf2, offset)
if err != nil {
t.Fatal("Error:", err, st.Size, len(buf2), offset)
}
if m != len(buf2) {
t.Fatalf("Error: ReadAt read shorter bytes before reaching EOF, want %v, got %v\n", m, len(buf2))
}
if !bytes.Equal(buf2, buf[offset:offset+512]) {
t.Fatal("Error: Incorrect read between two ReadAt from same offset.")
}
offset += 512
m, err = r.ReadAt(buf3, offset)
if err != nil {
t.Fatal("Error:", err, st.Size, len(buf3), offset)
}
if m != len(buf3) {
t.Fatalf("Error: ReadAt read shorter bytes before reaching EOF, want %v, got %v\n", m, len(buf3))
}
if !bytes.Equal(buf3, buf[offset:offset+512]) {
t.Fatal("Error: Incorrect read between two ReadAt from same offset.")
}
offset += 512
m, err = r.ReadAt(buf4, offset)
if err != nil {
t.Fatal("Error:", err, st.Size, len(buf4), offset)
}
if m != len(buf4) {
t.Fatalf("Error: ReadAt read shorter bytes before reaching EOF, want %v, got %v\n", m, len(buf4))
}
if !bytes.Equal(buf4, buf[offset:offset+512]) {
t.Fatal("Error: Incorrect read between two ReadAt from same offset.")
}
buf5 := make([]byte, n)
// Read the whole object.
m, err = r.ReadAt(buf5, 0)
if err != nil {
if err != io.EOF {
t.Fatal("Error:", err, len(buf5))
}
}
if m != len(buf5) {
t.Fatalf("Error: ReadAt read shorter bytes before reaching EOF, want %v, got %v\n", m, len(buf5))
}
if !bytes.Equal(buf, buf5) {
t.Fatal("Error: Incorrect data read in GetObject, than what was previously upoaded.")
}
buf6 := make([]byte, n+1)
// Read the whole object and beyond.
_, err = r.ReadAt(buf6, 0)
if err != nil {
if err != io.EOF {
t.Fatal("Error:", err, len(buf6))
}
}
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Test Presigned Post Policy
func TestPresignedPostPolicy(t *testing.T) {
if testing.Short() {
t.Skip("Skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket in 'us-east-1' (source bucket).
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate data more than 32K
buf := bytes.Repeat([]byte("4"), rand.Intn(1<<20)+32*1024)
// Save the data
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
n, err := c.PutObject(bucketName, objectName, bytes.NewReader(buf), "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if n != int64(len(buf)) {
t.Fatalf("Error: number of bytes does not match want %v, got %v",
len(buf), n)
}
policy := NewPostPolicy()
if err := policy.SetBucket(""); err == nil {
t.Fatalf("Error: %s", err)
}
if err := policy.SetKey(""); err == nil {
t.Fatalf("Error: %s", err)
}
if err := policy.SetKeyStartsWith(""); err == nil {
t.Fatalf("Error: %s", err)
}
if err := policy.SetExpires(time.Date(1, time.January, 1, 0, 0, 0, 0, time.UTC)); err == nil {
t.Fatalf("Error: %s", err)
}
if err := policy.SetContentType(""); err == nil {
t.Fatalf("Error: %s", err)
}
if err := policy.SetContentLengthRange(1024*1024, 1024); err == nil {
t.Fatalf("Error: %s", err)
}
policy.SetBucket(bucketName)
policy.SetKey(objectName)
policy.SetExpires(time.Now().UTC().AddDate(0, 0, 10)) // expires in 10 days
policy.SetContentType("image/png")
policy.SetContentLengthRange(1024, 1024*1024)
_, _, err = c.PresignedPostPolicy(policy)
if err != nil {
t.Fatal("Error:", err)
}
policy = NewPostPolicy()
// Remove all objects and buckets
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
// Tests copy object
func TestCopyObject(t *testing.T) {
if testing.Short() {
t.Skip("Skipping functional tests for short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket in 'us-east-1' (source bucket).
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Make a new bucket in 'us-east-1' (destination bucket).
err = c.MakeBucket(bucketName+"-copy", "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName+"-copy")
}
// Generate data more than 32K
buf := bytes.Repeat([]byte("5"), rand.Intn(1<<20)+32*1024)
// Save the data
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
n, err := c.PutObject(bucketName, objectName, bytes.NewReader(buf), "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName)
}
if n != int64(len(buf)) {
t.Fatalf("Error: number of bytes does not match want %v, got %v",
len(buf), n)
}
r, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err)
}
// Check the various fields of source object against destination object.
objInfo, err := r.Stat()
if err != nil {
t.Fatal("Error:", err)
}
// Copy Source
src := NewSourceInfo(bucketName, objectName, nil)
// Set copy conditions.
// All invalid conditions first.
err = src.SetModifiedSinceCond(time.Date(1, time.January, 1, 0, 0, 0, 0, time.UTC))
if err == nil {
t.Fatal("Error:", err)
}
err = src.SetUnmodifiedSinceCond(time.Date(1, time.January, 1, 0, 0, 0, 0, time.UTC))
if err == nil {
t.Fatal("Error:", err)
}
err = src.SetMatchETagCond("")
if err == nil {
t.Fatal("Error:", err)
}
err = src.SetMatchETagExceptCond("")
if err == nil {
t.Fatal("Error:", err)
}
err = src.SetModifiedSinceCond(time.Date(2014, time.April, 0, 0, 0, 0, 0, time.UTC))
if err != nil {
t.Fatal("Error:", err)
}
err = src.SetMatchETagCond(objInfo.ETag)
if err != nil {
t.Fatal("Error:", err)
}
dst, err := NewDestinationInfo(bucketName+"-copy", objectName+"-copy", nil, nil)
if err != nil {
t.Fatal(err)
}
// Perform the Copy
err = c.CopyObject(dst, src)
if err != nil {
t.Fatal("Error:", err, bucketName+"-copy", objectName+"-copy")
}
// Source object
reader, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err)
}
// Destination object
readerCopy, err := c.GetObject(bucketName+"-copy", objectName+"-copy")
if err != nil {
t.Fatal("Error:", err)
}
// Check the various fields of source object against destination object.
objInfo, err = reader.Stat()
if err != nil {
t.Fatal("Error:", err)
}
objInfoCopy, err := readerCopy.Stat()
if err != nil {
t.Fatal("Error:", err)
}
if objInfo.Size != objInfoCopy.Size {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n",
objInfo.Size, objInfoCopy.Size)
}
// CopyObject again but with wrong conditions
src = NewSourceInfo(bucketName, objectName, nil)
err = src.SetUnmodifiedSinceCond(time.Date(2014, time.April, 0, 0, 0, 0, 0, time.UTC))
if err != nil {
t.Fatal("Error:", err)
}
err = src.SetMatchETagExceptCond(objInfo.ETag)
if err != nil {
t.Fatal("Error:", err)
}
// Perform the Copy which should fail
err = c.CopyObject(dst, src)
if err == nil {
t.Fatal("Error:", err, bucketName+"-copy", objectName+"-copy should fail")
}
// Remove all objects and buckets
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err)
}
err = c.RemoveObject(bucketName+"-copy", objectName+"-copy")
if err != nil {
t.Fatal("Error:", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
err = c.RemoveBucket(bucketName + "-copy")
if err != nil {
t.Fatal("Error:", err)
}
}
// TestEncryptionPutGet tests client side encryption
func TestEncryptionPutGet(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
// Instantiate new minio client object.
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate a symmetric key
symKey := encrypt.NewSymmetricKey([]byte("my-secret-key-00"))
// Generate an assymmetric key from predefine public and private certificates
privateKey, err := hex.DecodeString(
"30820277020100300d06092a864886f70d0101010500048202613082025d" +
"0201000281810087b42ea73243a3576dc4c0b6fa245d339582dfdbddc20c" +
"bb8ab666385034d997210c54ba79275c51162a1221c3fb1a4c7c61131ca6" +
"5563b319d83474ef5e803fbfa7e52b889e1893b02586b724250de7ac6351" +
"cc0b7c638c980acec0a07020a78eed7eaa471eca4b92071394e061346c06" +
"15ccce2f465dee2080a89e43f29b5702030100010281801dd5770c3af8b3" +
"c85cd18cacad81a11bde1acfac3eac92b00866e142301fee565365aa9af4" +
"57baebf8bb7711054d071319a51dd6869aef3848ce477a0dc5f0dbc0c336" +
"5814b24c820491ae2bb3c707229a654427e03307fec683e6b27856688f08" +
"bdaa88054c5eeeb773793ff7543ee0fb0e2ad716856f2777f809ef7e6fa4" +
"41024100ca6b1edf89e8a8f93cce4b98c76c6990a09eb0d32ad9d3d04fbf" +
"0b026fa935c44f0a1c05dd96df192143b7bda8b110ec8ace28927181fd8c" +
"d2f17330b9b63535024100aba0260afb41489451baaeba423bee39bcbd1e" +
"f63dd44ee2d466d2453e683bf46d019a8baead3a2c7fca987988eb4d565e" +
"27d6be34605953f5034e4faeec9bdb0241009db2cb00b8be8c36710aff96" +
"6d77a6dec86419baca9d9e09a2b761ea69f7d82db2ae5b9aae4246599bb2" +
"d849684d5ab40e8802cfe4a2b358ad56f2b939561d2902404e0ead9ecafd" +
"bb33f22414fa13cbcc22a86bdf9c212ce1a01af894e3f76952f36d6c904c" +
"bd6a7e0de52550c9ddf31f1e8bfe5495f79e66a25fca5c20b3af5b870241" +
"0083456232aa58a8c45e5b110494599bda8dbe6a094683a0539ddd24e19d" +
"47684263bbe285ad953d725942d670b8f290d50c0bca3d1dc9688569f1d5" +
"9945cb5c7d")
if err != nil {
t.Fatal(err)
}
publicKey, err := hex.DecodeString("30819f300d06092a864886f70d010101050003818d003081890281810087" +
"b42ea73243a3576dc4c0b6fa245d339582dfdbddc20cbb8ab666385034d9" +
"97210c54ba79275c51162a1221c3fb1a4c7c61131ca65563b319d83474ef" +
"5e803fbfa7e52b889e1893b02586b724250de7ac6351cc0b7c638c980ace" +
"c0a07020a78eed7eaa471eca4b92071394e061346c0615ccce2f465dee20" +
"80a89e43f29b570203010001")
if err != nil {
t.Fatal(err)
}
// Generate an asymmetric key
asymKey, err := encrypt.NewAsymmetricKey(privateKey, publicKey)
if err != nil {
t.Fatal(err)
}
// Object custom metadata
customContentType := "custom/contenttype"
testCases := []struct {
buf []byte
encKey encrypt.Key
}{
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 0)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 1)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 15)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 16)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 17)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 31)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 32)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 33)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 1024)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 1024*2)},
{encKey: symKey, buf: bytes.Repeat([]byte("F"), 1024*1024)},
{encKey: asymKey, buf: bytes.Repeat([]byte("F"), 0)},
{encKey: asymKey, buf: bytes.Repeat([]byte("F"), 1)},
{encKey: asymKey, buf: bytes.Repeat([]byte("F"), 16)},
{encKey: asymKey, buf: bytes.Repeat([]byte("F"), 32)},
{encKey: asymKey, buf: bytes.Repeat([]byte("F"), 1024)},
{encKey: asymKey, buf: bytes.Repeat([]byte("F"), 1024*1024)},
}
for i, testCase := range testCases {
// Generate a random object name
objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
// Secured object
cbcMaterials, err := encrypt.NewCBCSecureMaterials(testCase.encKey)
if err != nil {
t.Fatal(err)
}
// Put encrypted data
_, err = c.PutEncryptedObject(bucketName, objectName, bytes.NewReader(testCase.buf), cbcMaterials, map[string][]string{"Content-Type": {customContentType}}, nil)
if err != nil {
t.Fatalf("Test %d, error: %v %v %v", i+1, err, bucketName, objectName)
}
// Read the data back
r, err := c.GetEncryptedObject(bucketName, objectName, cbcMaterials)
if err != nil {
t.Fatalf("Test %d, error: %v %v %v", i+1, err, bucketName, objectName)
}
defer r.Close()
// Compare the sent object with the received one
recvBuffer := bytes.NewBuffer([]byte{})
if _, err = io.Copy(recvBuffer, r); err != nil {
t.Fatalf("Test %d, error: %v", i+1, err)
}
if recvBuffer.Len() != len(testCase.buf) {
t.Fatalf("Test %d, error: number of bytes of received object does not match, want %v, got %v\n",
i+1, len(testCase.buf), recvBuffer.Len())
}
if !bytes.Equal(testCase.buf, recvBuffer.Bytes()) {
t.Fatalf("Test %d, error: Encrypted sent is not equal to decrypted, want `%x`, go `%x`", i+1, testCase.buf, recvBuffer.Bytes())
}
// Remove test object
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatalf("Test %d, error: %v", i+1, err)
}
}
// Remove test bucket
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
}
func TestBucketNotification(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
if os.Getenv("NOTIFY_BUCKET") == "" ||
os.Getenv("NOTIFY_SERVICE") == "" ||
os.Getenv("NOTIFY_REGION") == "" ||
os.Getenv("NOTIFY_ACCOUNTID") == "" ||
os.Getenv("NOTIFY_RESOURCE") == "" {
t.Skip("skipping notification test if not configured")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable to debug
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
bucketName := os.Getenv("NOTIFY_BUCKET")
topicArn := NewArn("aws", os.Getenv("NOTIFY_SERVICE"), os.Getenv("NOTIFY_REGION"), os.Getenv("NOTIFY_ACCOUNTID"), os.Getenv("NOTIFY_RESOURCE"))
queueArn := NewArn("aws", "dummy-service", "dummy-region", "dummy-accountid", "dummy-resource")
topicConfig := NewNotificationConfig(topicArn)
topicConfig.AddEvents(ObjectCreatedAll, ObjectRemovedAll)
topicConfig.AddFilterSuffix("jpg")
queueConfig := NewNotificationConfig(queueArn)
queueConfig.AddEvents(ObjectCreatedAll)
queueConfig.AddFilterPrefix("photos/")
bNotification := BucketNotification{}
bNotification.AddTopic(topicConfig)
// Add the same topicConfig again, should have no effect
// because it is duplicated
bNotification.AddTopic(topicConfig)
if len(bNotification.TopicConfigs) != 1 {
t.Fatal("Error: duplicated entry added")
}
// Add and remove a queue config
bNotification.AddQueue(queueConfig)
bNotification.RemoveQueueByArn(queueArn)
err = c.SetBucketNotification(bucketName, bNotification)
if err != nil {
t.Fatal("Error: ", err)
}
bNotification, err = c.GetBucketNotification(bucketName)
if err != nil {
t.Fatal("Error: ", err)
}
if len(bNotification.TopicConfigs) != 1 {
t.Fatal("Error: Topic config is empty")
}
if bNotification.TopicConfigs[0].Filter.S3Key.FilterRules[0].Value != "jpg" {
t.Fatal("Error: cannot get the suffix")
}
err = c.RemoveAllBucketNotification(bucketName)
if err != nil {
t.Fatal("Error: cannot delete bucket notification")
}
}
// Tests comprehensive list of all methods.
func TestFunctional(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Seed random based on current time.
rand.Seed(time.Now().Unix())
c, err := New(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable to debug
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Generate a new random bucket name.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
// Make a new bucket.
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
// Generate a random file name.
fileName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
file, err := os.Create(fileName)
if err != nil {
t.Fatal("Error:", err)
}
for i := 0; i < 3; i++ {
buf := make([]byte, rand.Intn(1<<19))
_, err = file.Write(buf)
if err != nil {
t.Fatal("Error:", err)
}
}
file.Close()
// Verify if bucket exits and you have access.
var exists bool
exists, err = c.BucketExists(bucketName)
if err != nil {
t.Fatal("Error:", err, bucketName)
}
if !exists {
t.Fatal("Error: could not find ", bucketName)
}
// Asserting the default bucket policy.
policyAccess, err := c.GetBucketPolicy(bucketName, "")
if err != nil {
t.Fatal("Error:", err)
}
if policyAccess != "none" {
t.Fatalf("Default bucket policy incorrect")
}
// Set the bucket policy to 'public readonly'.
err = c.SetBucketPolicy(bucketName, "", policy.BucketPolicyReadOnly)
if err != nil {
t.Fatal("Error:", err)
}
// should return policy `readonly`.
policyAccess, err = c.GetBucketPolicy(bucketName, "")
if err != nil {
t.Fatal("Error:", err)
}
if policyAccess != "readonly" {
t.Fatalf("Expected bucket policy to be readonly")
}
// Make the bucket 'public writeonly'.
err = c.SetBucketPolicy(bucketName, "", policy.BucketPolicyWriteOnly)
if err != nil {
t.Fatal("Error:", err)
}
// should return policy `writeonly`.
policyAccess, err = c.GetBucketPolicy(bucketName, "")
if err != nil {
t.Fatal("Error:", err)
}
if policyAccess != "writeonly" {
t.Fatalf("Expected bucket policy to be writeonly")
}
// Make the bucket 'public read/write'.
err = c.SetBucketPolicy(bucketName, "", policy.BucketPolicyReadWrite)
if err != nil {
t.Fatal("Error:", err)
}
// should return policy `readwrite`.
policyAccess, err = c.GetBucketPolicy(bucketName, "")
if err != nil {
t.Fatal("Error:", err)
}
if policyAccess != "readwrite" {
t.Fatalf("Expected bucket policy to be readwrite")
}
// List all buckets.
buckets, err := c.ListBuckets()
if len(buckets) == 0 {
t.Fatal("Error: list buckets cannot be empty", buckets)
}
if err != nil {
t.Fatal("Error:", err)
}
// Verify if previously created bucket is listed in list buckets.
bucketFound := false
for _, bucket := range buckets {
if bucket.Name == bucketName {
bucketFound = true
}
}
// If bucket not found error out.
if !bucketFound {
t.Fatal("Error: bucket ", bucketName, "not found")
}
objectName := bucketName + "unique"
// Generate data
buf := bytes.Repeat([]byte("f"), 1<<19)
n, err := c.PutObject(bucketName, objectName, bytes.NewReader(buf), "")
if err != nil {
t.Fatal("Error: ", err)
}
if n != int64(len(buf)) {
t.Fatal("Error: bad length ", n, len(buf))
}
n, err = c.PutObject(bucketName, objectName+"-nolength", bytes.NewReader(buf), "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err, bucketName, objectName+"-nolength")
}
if n != int64(len(buf)) {
t.Fatalf("Error: number of bytes does not match, want %v, got %v\n", len(buf), n)
}
// Instantiate a done channel to close all listing.
doneCh := make(chan struct{})
defer close(doneCh)
objFound := false
isRecursive := true // Recursive is true.
for obj := range c.ListObjects(bucketName, objectName, isRecursive, doneCh) {
if obj.Key == objectName {
objFound = true
break
}
}
if !objFound {
t.Fatal("Error: object " + objectName + " not found.")
}
objFound = false
isRecursive = true // Recursive is true.
for obj := range c.ListObjectsV2(bucketName, objectName, isRecursive, doneCh) {
if obj.Key == objectName {
objFound = true
break
}
}
if !objFound {
t.Fatal("Error: object " + objectName + " not found.")
}
incompObjNotFound := true
for objIncompl := range c.ListIncompleteUploads(bucketName, objectName, isRecursive, doneCh) {
if objIncompl.Key != "" {
incompObjNotFound = false
break
}
}
if !incompObjNotFound {
t.Fatal("Error: unexpected dangling incomplete upload found.")
}
newReader, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error: ", err)
}
newReadBytes, err := ioutil.ReadAll(newReader)
if err != nil {
t.Fatal("Error: ", err)
}
if !bytes.Equal(newReadBytes, buf) {
t.Fatal("Error: bytes mismatch.")
}
err = c.FGetObject(bucketName, objectName, fileName+"-f")
if err != nil {
t.Fatal("Error: ", err)
}
// Generate presigned GET object url.
presignedGetURL, err := c.PresignedGetObject(bucketName, objectName, 3600*time.Second, nil)
if err != nil {
t.Fatal("Error: ", err)
}
// Verify if presigned url works.
resp, err := http.Get(presignedGetURL.String())
if err != nil {
t.Fatal("Error: ", err)
}
if resp.StatusCode != http.StatusOK {
t.Fatal("Error: ", resp.Status)
}
newPresignedBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal("Error: ", err)
}
if !bytes.Equal(newPresignedBytes, buf) {
t.Fatal("Error: bytes mismatch.")
}
// Set request parameters.
reqParams := make(url.Values)
reqParams.Set("response-content-disposition", "attachment; filename=\"test.txt\"")
presignedGetURL, err = c.PresignedGetObject(bucketName, objectName, 3600*time.Second, reqParams)
if err != nil {
t.Fatal("Error: ", err)
}
// Verify if presigned url works.
resp, err = http.Get(presignedGetURL.String())
if err != nil {
t.Fatal("Error: ", err)
}
if resp.StatusCode != http.StatusOK {
t.Fatal("Error: ", resp.Status)
}
newPresignedBytes, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal("Error: ", err)
}
if !bytes.Equal(newPresignedBytes, buf) {
t.Fatal("Error: bytes mismatch for presigned GET URL.")
}
if resp.Header.Get("Content-Disposition") != "attachment; filename=\"test.txt\"" {
t.Fatalf("Error: wrong Content-Disposition received %s", resp.Header.Get("Content-Disposition"))
}
presignedPutURL, err := c.PresignedPutObject(bucketName, objectName+"-presigned", 3600*time.Second)
if err != nil {
t.Fatal("Error: ", err)
}
buf = bytes.Repeat([]byte("g"), 1<<19)
req, err := http.NewRequest("PUT", presignedPutURL.String(), bytes.NewReader(buf))
if err != nil {
t.Fatal("Error: ", err)
}
httpClient := &http.Client{
// Setting a sensible time out of 30secs to wait for response
// headers. Request is pro-actively cancelled after 30secs
// with no response.
Timeout: 30 * time.Second,
Transport: http.DefaultTransport,
}
resp, err = httpClient.Do(req)
if err != nil {
t.Fatal("Error: ", err)
}
newReader, err = c.GetObject(bucketName, objectName+"-presigned")
if err != nil {
t.Fatal("Error: ", err)
}
newReadBytes, err = ioutil.ReadAll(newReader)
if err != nil {
t.Fatal("Error: ", err)
}
if !bytes.Equal(newReadBytes, buf) {
t.Fatal("Error: bytes mismatch.")
}
err = c.RemoveObject(bucketName, objectName)
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveObject(bucketName, objectName+"-f")
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveObject(bucketName, objectName+"-nolength")
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveObject(bucketName, objectName+"-presigned")
if err != nil {
t.Fatal("Error: ", err)
}
err = c.RemoveBucket(bucketName)
if err != nil {
t.Fatal("Error:", err)
}
err = c.RemoveBucket(bucketName)
if err == nil {
t.Fatal("Error:")
}
if err.Error() != "The specified bucket does not exist" {
t.Fatal("Error: ", err)
}
if err = os.Remove(fileName); err != nil {
t.Fatal("Error: ", err)
}
if err = os.Remove(fileName + "-f"); err != nil {
t.Fatal("Error: ", err)
}
}
// Test for validating GetObject Reader* methods functioning when the
// object is modified in the object store.
func TestGetObjectObjectModified(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Instantiate new minio client object.
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Make a new bucket.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
defer c.RemoveBucket(bucketName)
// Upload an object.
objectName := "myobject"
content := "helloworld"
_, err = c.PutObject(bucketName, objectName, strings.NewReader(content), "application/text")
if err != nil {
t.Fatalf("Failed to upload %s/%s: %v", bucketName, objectName, err)
}
defer c.RemoveObject(bucketName, objectName)
reader, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatalf("Failed to get object %s/%s: %v", bucketName, objectName, err)
}
defer reader.Close()
// Read a few bytes of the object.
b := make([]byte, 5)
n, err := reader.ReadAt(b, 0)
if err != nil {
t.Fatalf("Failed to read object %s/%s at an offset: %v", bucketName, objectName, err)
}
// Upload different contents to the same object while object is being read.
newContent := "goodbyeworld"
_, err = c.PutObject(bucketName, objectName, strings.NewReader(newContent), "application/text")
if err != nil {
t.Fatalf("Failed to upload %s/%s: %v", bucketName, objectName, err)
}
// Confirm that a Stat() call in between doesn't change the Object's cached etag.
_, err = reader.Stat()
if err.Error() != s3ErrorResponseMap["PreconditionFailed"] {
t.Errorf("Expected Stat to fail with error %s but received %s", s3ErrorResponseMap["PreconditionFailed"], err.Error())
}
// Read again only to find object contents have been modified since last read.
_, err = reader.ReadAt(b, int64(n))
if err.Error() != s3ErrorResponseMap["PreconditionFailed"] {
t.Errorf("Expected ReadAt to fail with error %s but received %s", s3ErrorResponseMap["PreconditionFailed"], err.Error())
}
}
// Test validates putObject to upload a file seeked at a given offset.
func TestPutObjectUploadSeekedObject(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Instantiate new minio client object.
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// Enable tracing, write to stderr.
// c.TraceOn(os.Stderr)
// Set user agent.
c.SetAppInfo("Minio-go-FunctionalTest", "0.1.0")
// Make a new bucket.
bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
err = c.MakeBucket(bucketName, "us-east-1")
if err != nil {
t.Fatal("Error:", err, bucketName)
}
defer c.RemoveBucket(bucketName)
tempfile, err := ioutil.TempFile("", "minio-go-upload-test-")
if err != nil {
t.Fatal("Error:", err)
}
var length = 120000
data := bytes.Repeat([]byte("1"), length)
if _, err = tempfile.Write(data); err != nil {
t.Fatal("Error:", err)
}
objectName := fmt.Sprintf("test-file-%v", rand.Uint32())
offset := length / 2
if _, err := tempfile.Seek(int64(offset), 0); err != nil {
t.Fatal("Error:", err)
}
n, err := c.PutObject(bucketName, objectName, tempfile, "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err)
}
if n != int64(length-offset) {
t.Fatalf("Invalid length returned, want %v, got %v", int64(length-offset), n)
}
tempfile.Close()
if err = os.Remove(tempfile.Name()); err != nil {
t.Fatal("Error:", err)
}
length = int(n)
obj, err := c.GetObject(bucketName, objectName)
if err != nil {
t.Fatal("Error:", err)
}
n, err = obj.Seek(int64(offset), 0)
if err != nil {
t.Fatal("Error:", err)
}
if n != int64(offset) {
t.Fatalf("Invalid offset returned, want %v, got %v", int64(offset), n)
}
n, err = c.PutObject(bucketName, objectName+"getobject", obj, "binary/octet-stream")
if err != nil {
t.Fatal("Error:", err)
}
if n != int64(length-offset) {
t.Fatalf("Invalid length returned, want %v, got %v", int64(length-offset), n)
}
if err = c.RemoveObject(bucketName, objectName); err != nil {
t.Fatal("Error:", err)
}
if err = c.RemoveObject(bucketName, objectName+"getobject"); err != nil {
t.Fatal("Error:", err)
}
}
// Test expected error cases
func TestComposeObjectErrorCases(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Instantiate new minio client object
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
testComposeObjectErrorCases(c, t)
}
// Test concatenating 10K objects
func TestCompose10KSources(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Instantiate new minio client object
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
testComposeMultipleSources(c, t)
}
// Test encrypted copy object
func TestEncryptedCopyObject(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Instantiate new minio client object
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// c.TraceOn(os.Stderr)
testEncryptedCopyObject(c, t)
}
func TestUserMetadataCopying(t *testing.T) {
if testing.Short() {
t.Skip("skipping functional tests for the short runs")
}
// Instantiate new minio client object
c, err := NewV4(
os.Getenv(serverEndpoint),
os.Getenv(accessKey),
os.Getenv(secretKey),
mustParseBool(os.Getenv(enableSecurity)),
)
if err != nil {
t.Fatal("Error:", err)
}
// c.TraceOn(os.Stderr)
testUserMetadataCopying(c, t)
}