restic/vendor/github.com/kurin/blazer/b2/integration_test.go
2017-07-23 14:25:38 +02:00

799 lines
17 KiB
Go

// Copyright 2016, Google
//
// 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 b2
import (
"bytes"
"crypto/sha1"
"fmt"
"io"
"net/http"
"os"
"reflect"
"sync"
"testing"
"time"
"golang.org/x/net/context"
)
const (
apiID = "B2_ACCOUNT_ID"
apiKey = "B2_SECRET_KEY"
errVar = "B2_TRANSIENT_ERRORS"
)
func TestReadWriteLive(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
sobj, wsha, err := writeFile(ctx, bucket, smallFileName, 1e6-42, 1e8)
if err != nil {
t.Fatal(err)
}
lobj, wshaL, err := writeFile(ctx, bucket, largeFileName, 5e6+5e4, 5e6)
if err != nil {
t.Fatal(err)
}
if err := readFile(ctx, lobj, wshaL, 1e6, 10); err != nil {
t.Error(err)
}
if err := readFile(ctx, sobj, wsha, 1e5, 10); err != nil {
t.Error(err)
}
var cur *Cursor
for {
objs, c, err := bucket.ListObjects(ctx, 100, cur)
if err != nil && err != io.EOF {
t.Fatal(err)
}
for _, o := range objs {
if err := o.Delete(ctx); err != nil {
t.Error(err)
}
}
if err == io.EOF {
break
}
cur = c
}
}
func TestHideShowLive(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
// write a file
obj, _, err := writeFile(ctx, bucket, smallFileName, 1e6+42, 1e8)
if err != nil {
t.Fatal(err)
}
got, err := countObjects(ctx, bucket.ListCurrentObjects)
if err != nil {
t.Error(err)
}
if got != 1 {
t.Fatalf("got %d objects, wanted 1", got)
}
// When the hide marker and the object it's hiding were created within the
// same second, they can be sorted in the wrong order, causing the object to
// fail to be hidden.
time.Sleep(1500 * time.Millisecond)
// hide the file
if err := obj.Hide(ctx); err != nil {
t.Fatal(err)
}
got, err = countObjects(ctx, bucket.ListCurrentObjects)
if err != nil {
t.Error(err)
}
if got != 0 {
t.Fatalf("got %d objects, wanted 0", got)
}
// unhide the file
if err := bucket.Reveal(ctx, smallFileName); err != nil {
t.Fatal(err)
}
// count see the object again
got, err = countObjects(ctx, bucket.ListCurrentObjects)
if err != nil {
t.Error(err)
}
if got != 1 {
t.Fatalf("got %d objects, wanted 1", got)
}
}
type cancelReader struct {
r io.Reader
n, l int
c func()
}
func (c *cancelReader) Read(p []byte) (int, error) {
n, err := c.r.Read(p)
c.n += n
if c.n >= c.l {
c.c()
}
return n, err
}
func TestResumeWriter(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
bucket, _ := startLiveTest(ctx, t)
w := bucket.Object("foo").NewWriter(ctx)
w.ChunkSize = 5e6
r := &cancelReader{
r: io.LimitReader(zReader{}, 15e6),
l: 6e6,
c: cancel,
}
if _, err := io.Copy(w, r); err != context.Canceled {
t.Fatalf("io.Copy: wanted canceled context, got: %v", err)
}
ctx2 := context.Background()
ctx2, cancel2 := context.WithTimeout(ctx2, 10*time.Minute)
defer cancel2()
bucket2, done := startLiveTest(ctx2, t)
defer done()
w2 := bucket2.Object("foo").NewWriter(ctx2)
w2.ChunkSize = 5e6
r2 := io.LimitReader(zReader{}, 15e6)
h1 := sha1.New()
tr := io.TeeReader(r2, h1)
w2.Resume = true
w2.ConcurrentUploads = 2
if _, err := io.Copy(w2, tr); err != nil {
t.Fatal(err)
}
if err := w2.Close(); err != nil {
t.Fatal(err)
}
begSHA := fmt.Sprintf("%x", h1.Sum(nil))
objR := bucket2.Object("foo").NewReader(ctx2)
objR.ConcurrentDownloads = 3
h2 := sha1.New()
if _, err := io.Copy(h2, objR); err != nil {
t.Fatal(err)
}
if err := objR.Close(); err != nil {
t.Error(err)
}
endSHA := fmt.Sprintf("%x", h2.Sum(nil))
if endSHA != begSHA {
t.Errorf("got conflicting hashes: got %q, want %q", endSHA, begSHA)
}
}
func TestAttrs(t *testing.T) {
// TODO: test is flaky
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
attrlist := []*Attrs{
&Attrs{
ContentType: "jpeg/stream",
Info: map[string]string{
"one": "a",
"two": "b",
},
},
&Attrs{
ContentType: "application/MAGICFACE",
LastModified: time.Unix(1464370149, 142000000),
Info: map[string]string{}, // can't be nil
},
&Attrs{
ContentType: "arbitrarystring",
Info: map[string]string{
"spaces": "string with spaces",
"unicode": "日本語",
"special": "&/!@_.~",
},
},
}
table := []struct {
name string
size int64
}{
{
name: "small",
size: 1e3,
},
{
name: "large",
size: 5e6 + 4,
},
}
for _, e := range table {
for _, attrs := range attrlist {
o := bucket.Object(e.name)
w := o.NewWriter(ctx).WithAttrs(attrs)
if _, err := io.Copy(w, io.LimitReader(zReader{}, e.size)); err != nil {
t.Error(err)
continue
}
if err := w.Close(); err != nil {
t.Error(err)
continue
}
gotAttrs, err := bucket.Object(e.name).Attrs(ctx)
if err != nil {
t.Error(err)
continue
}
if gotAttrs.ContentType != attrs.ContentType {
t.Errorf("bad content-type for %s: got %q, want %q", e.name, gotAttrs.ContentType, attrs.ContentType)
}
if !reflect.DeepEqual(gotAttrs.Info, attrs.Info) {
t.Errorf("bad info for %s: got %#v, want %#v", e.name, gotAttrs.Info, attrs.Info)
}
if !gotAttrs.LastModified.Equal(attrs.LastModified) {
t.Errorf("bad lastmodified time for %s: got %v, want %v", e.name, gotAttrs.LastModified, attrs.LastModified)
}
if err := o.Delete(ctx); err != nil {
t.Errorf("Object(%q).Delete: %v", e.name, err)
}
}
}
}
func TestFileBufferLive(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
r := io.LimitReader(zReader{}, 1e6)
w := bucket.Object("small").NewWriter(ctx)
w.UseFileBuffer = true
w.Write(nil)
wb, ok := w.w.(*fileBuffer)
if !ok {
t.Fatalf("writer isn't using file buffer: %T", w.w)
}
smallTmpName := wb.f.Name()
if _, err := io.Copy(w, r); err != nil {
t.Errorf("creating small file: %v", err)
}
if err := w.Close(); err != nil {
t.Errorf("w.Close(): %v", err)
}
if _, err := os.Stat(smallTmpName); !os.IsNotExist(err) {
t.Errorf("tmp file exists (%s) or other error: %v", smallTmpName, err)
}
}
func TestAuthTokLive(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
foo := "foo/bar"
baz := "baz/bar"
fw := bucket.Object(foo).NewWriter(ctx)
io.Copy(fw, io.LimitReader(zReader{}, 1e5))
if err := fw.Close(); err != nil {
t.Fatal(err)
}
bw := bucket.Object(baz).NewWriter(ctx)
io.Copy(bw, io.LimitReader(zReader{}, 1e5))
if err := bw.Close(); err != nil {
t.Fatal(err)
}
tok, err := bucket.AuthToken(ctx, "foo", time.Hour)
if err != nil {
t.Fatal(err)
}
furl := fmt.Sprintf("%s?Authorization=%s", bucket.Object(foo).URL(), tok)
frsp, err := http.Get(furl)
if err != nil {
t.Fatal(err)
}
if frsp.StatusCode != 200 {
t.Fatalf("%s: got %s, want 200", furl, frsp.Status)
}
burl := fmt.Sprintf("%s?Authorization=%s", bucket.Object(baz).URL(), tok)
brsp, err := http.Get(burl)
if err != nil {
t.Fatal(err)
}
if brsp.StatusCode != 401 {
t.Fatalf("%s: got %s, want 401", burl, brsp.Status)
}
}
func TestRangeReaderLive(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
buf := &bytes.Buffer{}
io.Copy(buf, io.LimitReader(zReader{}, 3e6))
rs := bytes.NewReader(buf.Bytes())
w := bucket.Object("foobar").NewWriter(ctx)
if _, err := io.Copy(w, rs); err != nil {
t.Fatal(err)
}
if err := w.Close(); err != nil {
t.Fatal(err)
}
table := []struct {
offset, length int64
size int64 // expected actual size
}{
{
offset: 1e6 - 50,
length: 1e6 + 50,
size: 1e6 + 50,
},
{
offset: 0,
length: -1,
size: 3e6,
},
{
offset: 2e6,
length: -1,
size: 1e6,
},
{
offset: 2e6,
length: 2e6,
size: 1e6,
},
{
offset: 0,
length: 4e6,
size: 3e6,
},
}
for _, e := range table {
if _, err := rs.Seek(e.offset, 0); err != nil {
t.Error(err)
continue
}
hw := sha1.New()
var lr io.Reader
lr = rs
if e.length >= 0 {
lr = io.LimitReader(rs, e.length)
}
if _, err := io.Copy(hw, lr); err != nil {
t.Error(err)
continue
}
r := bucket.Object("foobar").NewRangeReader(ctx, e.offset, e.length)
defer r.Close()
hr := sha1.New()
read, err := io.Copy(hr, r)
if err != nil {
t.Error(err)
continue
}
if read != e.size {
t.Errorf("NewRangeReader(_, %d, %d): read %d bytes, wanted %d bytes", e.offset, e.length, read, e.size)
}
got := fmt.Sprintf("%x", hr.Sum(nil))
want := fmt.Sprintf("%x", hw.Sum(nil))
if got != want {
t.Errorf("NewRangeReader(_, %d, %d): got %q, want %q", e.offset, e.length, got, want)
}
}
}
func TestListObjectsWithPrefix(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
foo := "foo/bar"
baz := "baz/bar"
fw := bucket.Object(foo).NewWriter(ctx)
io.Copy(fw, io.LimitReader(zReader{}, 1e5))
if err := fw.Close(); err != nil {
t.Fatal(err)
}
bw := bucket.Object(baz).NewWriter(ctx)
io.Copy(bw, io.LimitReader(zReader{}, 1e5))
if err := bw.Close(); err != nil {
t.Fatal(err)
}
// This is kind of a hack, but
type lfun func(context.Context, int, *Cursor) ([]*Object, *Cursor, error)
for _, f := range []lfun{bucket.ListObjects, bucket.ListCurrentObjects} {
c := &Cursor{
Prefix: "baz/",
}
var res []string
for {
objs, cur, err := f(ctx, 10, c)
if err != nil && err != io.EOF {
t.Fatalf("bucket.ListObjects: %v", err)
}
for _, o := range objs {
attrs, err := o.Attrs(ctx)
if err != nil {
t.Errorf("(%v).Attrs: %v", o, err)
continue
}
res = append(res, attrs.Name)
}
if err == io.EOF {
break
}
c = cur
}
want := []string{"baz/bar"}
if !reflect.DeepEqual(res, want) {
t.Errorf("got %v, want %v", res, want)
}
}
}
func compare(a, b *BucketAttrs) bool {
if a == nil {
a = &BucketAttrs{}
}
if b == nil {
b = &BucketAttrs{}
}
if a.Type != b.Type && !((a.Type == "" && b.Type == Private) || (a.Type == Private && b.Type == "")) {
return false
}
if !reflect.DeepEqual(a.Info, b.Info) && (len(a.Info) > 0 || len(b.Info) > 0) {
return false
}
return reflect.DeepEqual(a.LifecycleRules, b.LifecycleRules)
}
func TestNewBucket(t *testing.T) {
id := os.Getenv(apiID)
key := os.Getenv(apiKey)
if id == "" || key == "" {
t.Skipf("B2_ACCOUNT_ID or B2_SECRET_KEY unset; skipping integration tests")
}
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 2*time.Minute)
defer cancel()
client, err := NewClient(ctx, id, key)
if err != nil {
t.Fatal(err)
}
table := []struct {
name string
attrs *BucketAttrs
}{
{
name: "no-attrs",
},
{
name: "only-rules",
attrs: &BucketAttrs{
LifecycleRules: []LifecycleRule{
{
Prefix: "whee/",
DaysHiddenUntilDeleted: 30,
},
{
Prefix: "whoa/",
DaysNewUntilHidden: 1,
},
},
},
},
{
name: "only-info",
attrs: &BucketAttrs{
Info: map[string]string{
"this": "that",
"other": "thing",
},
},
},
}
for _, ent := range table {
bucket, err := client.NewBucket(ctx, id+"-"+ent.name, ent.attrs)
if err != nil {
t.Errorf("%s: NewBucket(%v): %v", ent.name, ent.attrs, err)
continue
}
defer bucket.Delete(ctx)
if err := bucket.Update(ctx, nil); err != nil {
t.Errorf("%s: Update(ctx, nil): %v", ent.name, err)
continue
}
attrs, err := bucket.Attrs(ctx)
if err != nil {
t.Errorf("%s: Attrs(ctx): %v", ent.name, err)
continue
}
if !compare(attrs, ent.attrs) {
t.Errorf("%s: attrs disagree: got %v, want %v", ent.name, attrs, ent.attrs)
}
}
}
func TestDuelingBuckets(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
bucket2, done2 := startLiveTest(ctx, t)
defer done2()
attrs, err := bucket.Attrs(ctx)
if err != nil {
t.Fatal(err)
}
attrs2, err := bucket2.Attrs(ctx)
if err != nil {
t.Fatal(err)
}
attrs.Info["food"] = "yum"
if err := bucket.Update(ctx, attrs); err != nil {
t.Fatal(err)
}
attrs2.Info["nails"] = "not"
if err := bucket2.Update(ctx, attrs2); !IsUpdateConflict(err) {
t.Fatalf("bucket.Update should have failed with IsUpdateConflict; instead failed with %v", err)
}
attrs2, err = bucket2.Attrs(ctx)
if err != nil {
t.Fatal(err)
}
attrs2.Info["nails"] = "not"
if err := bucket2.Update(ctx, nil); err != nil {
t.Fatal(err)
}
if err := bucket2.Update(ctx, attrs2); err != nil {
t.Fatal(err)
}
}
func TestNotExist(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
if _, err := bucket.Object("not there").Attrs(ctx); !IsNotExist(err) {
t.Errorf("IsNotExist() on nonexistent object returned false (%v)", err)
}
}
func TestWriteEmpty(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
_, _, err := writeFile(ctx, bucket, smallFileName, 0, 1e8)
if err != nil {
t.Fatal(err)
}
}
type rtCounter struct {
rt http.RoundTripper
trips int
sync.Mutex
}
func (rt *rtCounter) RoundTrip(r *http.Request) (*http.Response, error) {
rt.Lock()
defer rt.Unlock()
rt.trips++
return rt.rt.RoundTrip(r)
}
func TestAttrsNoRoundtrip(t *testing.T) {
rt := &rtCounter{rt: transport}
transport = rt
defer func() {
transport = rt.rt
}()
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
_, _, err := writeFile(ctx, bucket, smallFileName, 1e6+42, 1e8)
if err != nil {
t.Fatal(err)
}
objs, _, err := bucket.ListObjects(ctx, 1, nil)
if err != nil {
t.Fatal(err)
}
if len(objs) != 1 {
t.Fatal("unexpected objects: got %d, want 1", len(objs))
}
trips := rt.trips
attrs, err := objs[0].Attrs(ctx)
if err != nil {
t.Fatal(err)
}
if attrs.Name != smallFileName {
t.Errorf("got the wrong object: got %q, want %q", attrs.Name, smallFileName)
}
if trips != rt.trips {
t.Errorf("Attrs() should not have caused any net traffic, but it did: old %d, new %d", trips, rt.trips)
}
}
func TestDeleteWithoutName(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
bucket, done := startLiveTest(ctx, t)
defer done()
_, _, err := writeFile(ctx, bucket, smallFileName, 1e6+42, 1e8)
if err != nil {
t.Fatal(err)
}
if err := bucket.Object(smallFileName).Delete(ctx); err != nil {
t.Fatal(err)
}
}
type object struct {
o *Object
err error
}
func countObjects(ctx context.Context, f func(context.Context, int, *Cursor) ([]*Object, *Cursor, error)) (int, error) {
var got int
ch := listObjects(ctx, f)
for c := range ch {
if c.err != nil {
return 0, c.err
}
got++
}
return got, nil
}
func listObjects(ctx context.Context, f func(context.Context, int, *Cursor) ([]*Object, *Cursor, error)) <-chan object {
ch := make(chan object)
go func() {
defer close(ch)
var cur *Cursor
for {
objs, c, err := f(ctx, 100, cur)
if err != nil && err != io.EOF {
ch <- object{err: err}
return
}
for _, o := range objs {
ch <- object{o: o}
}
if err == io.EOF {
return
}
cur = c
}
}()
return ch
}
var transport = http.DefaultTransport
func startLiveTest(ctx context.Context, t *testing.T) (*Bucket, func()) {
id := os.Getenv(apiID)
key := os.Getenv(apiKey)
if id == "" || key == "" {
t.Skipf("B2_ACCOUNT_ID or B2_SECRET_KEY unset; skipping integration tests")
return nil, nil
}
client, err := NewClient(ctx, id, key, FailSomeUploads(), ExpireSomeAuthTokens(), Transport(transport))
if err != nil {
t.Fatal(err)
return nil, nil
}
bucket, err := client.NewBucket(ctx, id+"-"+bucketName, nil)
if err != nil {
t.Fatal(err)
return nil, nil
}
f := func() {
for c := range listObjects(ctx, bucket.ListObjects) {
if c.err != nil {
continue
}
if err := c.o.Delete(ctx); err != nil {
t.Error(err)
}
}
if err := bucket.Delete(ctx); err != nil && !IsNotExist(err) {
t.Error(err)
}
}
return bucket, f
}