mirror of
https://github.com/octoleo/restic.git
synced 2024-11-19 11:35:14 +00:00
363 lines
7.9 KiB
Go
363 lines
7.9 KiB
Go
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// Copyright 2017 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rpcreplay
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import (
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"bytes"
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"io"
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"testing"
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ipb "cloud.google.com/go/internal/rpcreplay/proto/intstore"
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rpb "cloud.google.com/go/internal/rpcreplay/proto/rpcreplay"
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"cloud.google.com/go/internal/testutil"
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"github.com/golang/protobuf/proto"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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func TestRecordIO(t *testing.T) {
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buf := &bytes.Buffer{}
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want := []byte{1, 2, 3}
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if err := writeRecord(buf, want); err != nil {
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t.Fatal(err)
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}
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got, err := readRecord(buf)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(got, want) {
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t.Errorf("got %v, want %v", got, want)
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}
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}
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func TestHeaderIO(t *testing.T) {
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buf := &bytes.Buffer{}
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want := []byte{1, 2, 3}
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if err := writeHeader(buf, want); err != nil {
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t.Fatal(err)
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}
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got, err := readHeader(buf)
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if err != nil {
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t.Fatal(err)
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}
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if !testutil.Equal(got, want) {
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t.Errorf("got %v, want %v", got, want)
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}
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// readHeader errors
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for _, contents := range []string{"", "badmagic", "gRPCReplay"} {
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if _, err := readHeader(bytes.NewBufferString(contents)); err == nil {
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t.Errorf("%q: got nil, want error", contents)
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}
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}
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}
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func TestEntryIO(t *testing.T) {
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for i, want := range []*entry{
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{
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kind: rpb.Entry_REQUEST,
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method: "method",
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msg: message{msg: &rpb.Entry{}},
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refIndex: 7,
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},
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{
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kind: rpb.Entry_RESPONSE,
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method: "method",
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msg: message{err: status.Error(codes.NotFound, "not found")},
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refIndex: 8,
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},
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{
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kind: rpb.Entry_RECV,
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method: "method",
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msg: message{err: io.EOF},
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refIndex: 3,
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},
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} {
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buf := &bytes.Buffer{}
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if err := writeEntry(buf, want); err != nil {
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t.Fatal(err)
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}
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got, err := readEntry(buf)
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if err != nil {
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t.Fatal(err)
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}
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if !got.equal(want) {
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t.Errorf("#%d: got %v, want %v", i, got, want)
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}
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}
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}
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var initialState = []byte{1, 2, 3}
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func TestRecord(t *testing.T) {
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srv := newIntStoreServer()
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defer srv.stop()
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buf := record(t, srv)
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gotIstate, err := readHeader(buf)
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if err != nil {
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t.Fatal(err)
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}
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if !testutil.Equal(gotIstate, initialState) {
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t.Fatalf("got %v, want %v", gotIstate, initialState)
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}
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item := &ipb.Item{Name: "a", Value: 1}
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wantEntries := []*entry{
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// Set
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{
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kind: rpb.Entry_REQUEST,
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method: "/intstore.IntStore/Set",
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msg: message{msg: item},
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},
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{
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kind: rpb.Entry_RESPONSE,
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msg: message{msg: &ipb.SetResponse{PrevValue: 0}},
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refIndex: 1,
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},
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// Get
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{
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kind: rpb.Entry_REQUEST,
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method: "/intstore.IntStore/Get",
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msg: message{msg: &ipb.GetRequest{Name: "a"}},
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},
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{
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kind: rpb.Entry_RESPONSE,
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msg: message{msg: item},
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refIndex: 3,
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},
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{
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kind: rpb.Entry_REQUEST,
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method: "/intstore.IntStore/Get",
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msg: message{msg: &ipb.GetRequest{Name: "x"}},
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},
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{
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kind: rpb.Entry_RESPONSE,
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msg: message{err: status.Error(codes.NotFound, `"x"`)},
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refIndex: 5,
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},
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// ListItems
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{ // entry #7
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kind: rpb.Entry_CREATE_STREAM,
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method: "/intstore.IntStore/ListItems",
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},
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{
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kind: rpb.Entry_SEND,
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msg: message{msg: &ipb.ListItemsRequest{}},
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refIndex: 7,
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},
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{
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kind: rpb.Entry_RECV,
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msg: message{msg: item},
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refIndex: 7,
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},
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{
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kind: rpb.Entry_RECV,
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msg: message{err: io.EOF},
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refIndex: 7,
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},
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// SetStream
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{ // entry #11
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kind: rpb.Entry_CREATE_STREAM,
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method: "/intstore.IntStore/SetStream",
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},
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{
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kind: rpb.Entry_SEND,
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msg: message{msg: &ipb.Item{Name: "b", Value: 2}},
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refIndex: 11,
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},
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{
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kind: rpb.Entry_SEND,
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msg: message{msg: &ipb.Item{Name: "c", Value: 3}},
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refIndex: 11,
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},
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{
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kind: rpb.Entry_RECV,
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msg: message{msg: &ipb.Summary{Count: 2}},
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refIndex: 11,
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},
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// StreamChat
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{ // entry #15
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kind: rpb.Entry_CREATE_STREAM,
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method: "/intstore.IntStore/StreamChat",
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},
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{
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kind: rpb.Entry_SEND,
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msg: message{msg: &ipb.Item{Name: "d", Value: 4}},
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refIndex: 15,
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},
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{
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kind: rpb.Entry_RECV,
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msg: message{msg: &ipb.Item{Name: "d", Value: 4}},
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refIndex: 15,
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},
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{
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kind: rpb.Entry_SEND,
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msg: message{msg: &ipb.Item{Name: "e", Value: 5}},
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refIndex: 15,
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},
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{
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kind: rpb.Entry_RECV,
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msg: message{msg: &ipb.Item{Name: "e", Value: 5}},
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refIndex: 15,
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},
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{
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kind: rpb.Entry_RECV,
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msg: message{err: io.EOF},
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refIndex: 15,
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},
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}
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for i, w := range wantEntries {
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g, err := readEntry(buf)
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if err != nil {
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t.Fatalf("%#d: %v", i+1, err)
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}
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if !g.equal(w) {
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t.Errorf("#%d:\ngot %+v\nwant %+v", i+1, g, w)
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}
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}
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g, err := readEntry(buf)
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if err != nil {
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t.Fatal(err)
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}
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if g != nil {
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t.Errorf("\ngot %+v\nwant nil", g)
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}
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}
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func TestReplay(t *testing.T) {
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srv := newIntStoreServer()
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defer srv.stop()
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buf := record(t, srv)
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rep, err := NewReplayerReader(buf)
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if err != nil {
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t.Fatal(err)
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}
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if got, want := rep.Initial(), initialState; !testutil.Equal(got, want) {
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t.Fatalf("got %v, want %v", got, want)
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}
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// Replay the test.
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testService(t, srv.Addr, rep.DialOptions())
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}
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func record(t *testing.T, srv *intStoreServer) *bytes.Buffer {
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buf := &bytes.Buffer{}
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rec, err := NewRecorderWriter(buf, initialState)
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if err != nil {
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t.Fatal(err)
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}
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testService(t, srv.Addr, rec.DialOptions())
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if err := rec.Close(); err != nil {
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t.Fatal(err)
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}
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return buf
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}
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func testService(t *testing.T, addr string, opts []grpc.DialOption) {
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conn, err := grpc.Dial(addr,
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append([]grpc.DialOption{grpc.WithInsecure()}, opts...)...)
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if err != nil {
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t.Fatal(err)
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}
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defer conn.Close()
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client := ipb.NewIntStoreClient(conn)
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ctx := context.Background()
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item := &ipb.Item{Name: "a", Value: 1}
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res, err := client.Set(ctx, item)
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if err != nil {
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t.Fatal(err)
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}
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if res.PrevValue != 0 {
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t.Errorf("got %d, want 0", res.PrevValue)
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}
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got, err := client.Get(ctx, &ipb.GetRequest{Name: "a"})
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if err != nil {
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t.Fatal(err)
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}
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if !proto.Equal(got, item) {
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t.Errorf("got %v, want %v", got, item)
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}
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_, err = client.Get(ctx, &ipb.GetRequest{Name: "x"})
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if err == nil {
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t.Fatal("got nil, want error")
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}
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if _, ok := status.FromError(err); !ok {
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t.Errorf("got error type %T, want a grpc/status.Status", err)
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}
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wantItems := []*ipb.Item{item}
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lic, err := client.ListItems(ctx, &ipb.ListItemsRequest{})
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if err != nil {
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t.Fatal(err)
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}
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for i := 0; ; i++ {
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item, err := lic.Recv()
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if err == io.EOF {
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break
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}
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if err != nil {
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t.Fatal(err)
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}
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if i >= len(wantItems) || !proto.Equal(item, wantItems[i]) {
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t.Fatalf("%d: bad item", i)
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}
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}
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ssc, err := client.SetStream(ctx)
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if err != nil {
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t.Fatal(err)
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}
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must := func(err error) {
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if err != nil {
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t.Fatal(err)
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}
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}
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for i, name := range []string{"b", "c"} {
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must(ssc.Send(&ipb.Item{Name: name, Value: int32(i + 2)}))
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}
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summary, err := ssc.CloseAndRecv()
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if err != nil {
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t.Fatal(err)
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}
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if got, want := summary.Count, int32(2); got != want {
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t.Fatalf("got %d, want %d", got, want)
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}
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chatc, err := client.StreamChat(ctx)
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if err != nil {
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t.Fatal(err)
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}
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for i, name := range []string{"d", "e"} {
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item := &ipb.Item{Name: name, Value: int32(i + 4)}
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must(chatc.Send(item))
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got, err := chatc.Recv()
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if err != nil {
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t.Fatal(err)
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}
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if !proto.Equal(got, item) {
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t.Errorf("got %v, want %v", got, item)
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}
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}
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must(chatc.CloseSend())
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if _, err := chatc.Recv(); err != io.EOF {
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t.Fatalf("got %v, want EOF", err)
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}
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}
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