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restic/vendor/cloud.google.com/go/rpcreplay/rpcreplay_test.go
Alexander Neumann 2b39f9f4b2 Update dependencies
Among others, this updates minio-go, so that the new "eu-west-3" zone
for AWS is supported.
2018-01-23 19:40:42 +01:00

363 lines
7.9 KiB
Go

// Copyright 2017 Google Inc. All Rights Reserved.
//
// 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 rpcreplay
import (
"bytes"
"io"
"testing"
"cloud.google.com/go/internal/testutil"
ipb "cloud.google.com/go/rpcreplay/proto/intstore"
rpb "cloud.google.com/go/rpcreplay/proto/rpcreplay"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func TestRecordIO(t *testing.T) {
buf := &bytes.Buffer{}
want := []byte{1, 2, 3}
if err := writeRecord(buf, want); err != nil {
t.Fatal(err)
}
got, err := readRecord(buf)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(got, want) {
t.Errorf("got %v, want %v", got, want)
}
}
func TestHeaderIO(t *testing.T) {
buf := &bytes.Buffer{}
want := []byte{1, 2, 3}
if err := writeHeader(buf, want); err != nil {
t.Fatal(err)
}
got, err := readHeader(buf)
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(got, want) {
t.Errorf("got %v, want %v", got, want)
}
// readHeader errors
for _, contents := range []string{"", "badmagic", "gRPCReplay"} {
if _, err := readHeader(bytes.NewBufferString(contents)); err == nil {
t.Errorf("%q: got nil, want error", contents)
}
}
}
func TestEntryIO(t *testing.T) {
for i, want := range []*entry{
{
kind: rpb.Entry_REQUEST,
method: "method",
msg: message{msg: &rpb.Entry{}},
refIndex: 7,
},
{
kind: rpb.Entry_RESPONSE,
method: "method",
msg: message{err: status.Error(codes.NotFound, "not found")},
refIndex: 8,
},
{
kind: rpb.Entry_RECV,
method: "method",
msg: message{err: io.EOF},
refIndex: 3,
},
} {
buf := &bytes.Buffer{}
if err := writeEntry(buf, want); err != nil {
t.Fatal(err)
}
got, err := readEntry(buf)
if err != nil {
t.Fatal(err)
}
if !got.equal(want) {
t.Errorf("#%d: got %v, want %v", i, got, want)
}
}
}
var initialState = []byte{1, 2, 3}
func TestRecord(t *testing.T) {
srv := newIntStoreServer()
defer srv.stop()
buf := record(t, srv)
gotIstate, err := readHeader(buf)
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(gotIstate, initialState) {
t.Fatalf("got %v, want %v", gotIstate, initialState)
}
item := &ipb.Item{Name: "a", Value: 1}
wantEntries := []*entry{
// Set
{
kind: rpb.Entry_REQUEST,
method: "/intstore.IntStore/Set",
msg: message{msg: item},
},
{
kind: rpb.Entry_RESPONSE,
msg: message{msg: &ipb.SetResponse{PrevValue: 0}},
refIndex: 1,
},
// Get
{
kind: rpb.Entry_REQUEST,
method: "/intstore.IntStore/Get",
msg: message{msg: &ipb.GetRequest{Name: "a"}},
},
{
kind: rpb.Entry_RESPONSE,
msg: message{msg: item},
refIndex: 3,
},
{
kind: rpb.Entry_REQUEST,
method: "/intstore.IntStore/Get",
msg: message{msg: &ipb.GetRequest{Name: "x"}},
},
{
kind: rpb.Entry_RESPONSE,
msg: message{err: status.Error(codes.NotFound, `"x"`)},
refIndex: 5,
},
// ListItems
{ // entry #7
kind: rpb.Entry_CREATE_STREAM,
method: "/intstore.IntStore/ListItems",
},
{
kind: rpb.Entry_SEND,
msg: message{msg: &ipb.ListItemsRequest{}},
refIndex: 7,
},
{
kind: rpb.Entry_RECV,
msg: message{msg: item},
refIndex: 7,
},
{
kind: rpb.Entry_RECV,
msg: message{err: io.EOF},
refIndex: 7,
},
// SetStream
{ // entry #11
kind: rpb.Entry_CREATE_STREAM,
method: "/intstore.IntStore/SetStream",
},
{
kind: rpb.Entry_SEND,
msg: message{msg: &ipb.Item{Name: "b", Value: 2}},
refIndex: 11,
},
{
kind: rpb.Entry_SEND,
msg: message{msg: &ipb.Item{Name: "c", Value: 3}},
refIndex: 11,
},
{
kind: rpb.Entry_RECV,
msg: message{msg: &ipb.Summary{Count: 2}},
refIndex: 11,
},
// StreamChat
{ // entry #15
kind: rpb.Entry_CREATE_STREAM,
method: "/intstore.IntStore/StreamChat",
},
{
kind: rpb.Entry_SEND,
msg: message{msg: &ipb.Item{Name: "d", Value: 4}},
refIndex: 15,
},
{
kind: rpb.Entry_RECV,
msg: message{msg: &ipb.Item{Name: "d", Value: 4}},
refIndex: 15,
},
{
kind: rpb.Entry_SEND,
msg: message{msg: &ipb.Item{Name: "e", Value: 5}},
refIndex: 15,
},
{
kind: rpb.Entry_RECV,
msg: message{msg: &ipb.Item{Name: "e", Value: 5}},
refIndex: 15,
},
{
kind: rpb.Entry_RECV,
msg: message{err: io.EOF},
refIndex: 15,
},
}
for i, w := range wantEntries {
g, err := readEntry(buf)
if err != nil {
t.Fatalf("#%d: %v", i+1, err)
}
if !g.equal(w) {
t.Errorf("#%d:\ngot %+v\nwant %+v", i+1, g, w)
}
}
g, err := readEntry(buf)
if err != nil {
t.Fatal(err)
}
if g != nil {
t.Errorf("\ngot %+v\nwant nil", g)
}
}
func TestReplay(t *testing.T) {
srv := newIntStoreServer()
defer srv.stop()
buf := record(t, srv)
rep, err := NewReplayerReader(buf)
if err != nil {
t.Fatal(err)
}
if got, want := rep.Initial(), initialState; !testutil.Equal(got, want) {
t.Fatalf("got %v, want %v", got, want)
}
// Replay the test.
testService(t, srv.Addr, rep.DialOptions())
}
func record(t *testing.T, srv *intStoreServer) *bytes.Buffer {
buf := &bytes.Buffer{}
rec, err := NewRecorderWriter(buf, initialState)
if err != nil {
t.Fatal(err)
}
testService(t, srv.Addr, rec.DialOptions())
if err := rec.Close(); err != nil {
t.Fatal(err)
}
return buf
}
func testService(t *testing.T, addr string, opts []grpc.DialOption) {
conn, err := grpc.Dial(addr,
append([]grpc.DialOption{grpc.WithInsecure()}, opts...)...)
if err != nil {
t.Fatal(err)
}
defer conn.Close()
client := ipb.NewIntStoreClient(conn)
ctx := context.Background()
item := &ipb.Item{Name: "a", Value: 1}
res, err := client.Set(ctx, item)
if err != nil {
t.Fatal(err)
}
if res.PrevValue != 0 {
t.Errorf("got %d, want 0", res.PrevValue)
}
got, err := client.Get(ctx, &ipb.GetRequest{Name: "a"})
if err != nil {
t.Fatal(err)
}
if !proto.Equal(got, item) {
t.Errorf("got %v, want %v", got, item)
}
_, err = client.Get(ctx, &ipb.GetRequest{Name: "x"})
if err == nil {
t.Fatal("got nil, want error")
}
if _, ok := status.FromError(err); !ok {
t.Errorf("got error type %T, want a grpc/status.Status", err)
}
wantItems := []*ipb.Item{item}
lic, err := client.ListItems(ctx, &ipb.ListItemsRequest{})
if err != nil {
t.Fatal(err)
}
for i := 0; ; i++ {
item, err := lic.Recv()
if err == io.EOF {
break
}
if err != nil {
t.Fatal(err)
}
if i >= len(wantItems) || !proto.Equal(item, wantItems[i]) {
t.Fatalf("%d: bad item", i)
}
}
ssc, err := client.SetStream(ctx)
if err != nil {
t.Fatal(err)
}
must := func(err error) {
if err != nil {
t.Fatal(err)
}
}
for i, name := range []string{"b", "c"} {
must(ssc.Send(&ipb.Item{Name: name, Value: int32(i + 2)}))
}
summary, err := ssc.CloseAndRecv()
if err != nil {
t.Fatal(err)
}
if got, want := summary.Count, int32(2); got != want {
t.Fatalf("got %d, want %d", got, want)
}
chatc, err := client.StreamChat(ctx)
if err != nil {
t.Fatal(err)
}
for i, name := range []string{"d", "e"} {
item := &ipb.Item{Name: name, Value: int32(i + 4)}
must(chatc.Send(item))
got, err := chatc.Recv()
if err != nil {
t.Fatal(err)
}
if !proto.Equal(got, item) {
t.Errorf("got %v, want %v", got, item)
}
}
must(chatc.CloseSend())
if _, err := chatc.Recv(); err != io.EOF {
t.Fatalf("got %v, want EOF", err)
}
}