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restic/vendor/cloud.google.com/go/bigtable/bttest/inmem_test.go
2017-08-06 21:47:56 +02:00

517 lines
14 KiB
Go

// Copyright 2016 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 bttest
import (
"fmt"
"math/rand"
"sync"
"sync/atomic"
"testing"
"time"
"golang.org/x/net/context"
btapb "google.golang.org/genproto/googleapis/bigtable/admin/v2"
btpb "google.golang.org/genproto/googleapis/bigtable/v2"
"google.golang.org/grpc"
"strconv"
)
func TestConcurrentMutationsReadModifyAndGC(t *testing.T) {
s := &server{
tables: make(map[string]*table),
}
ctx, cancel := context.WithTimeout(context.Background(), 50*time.Millisecond)
defer cancel()
if _, err := s.CreateTable(
ctx,
&btapb.CreateTableRequest{Parent: "cluster", TableId: "t"}); err != nil {
t.Fatal(err)
}
const name = `cluster/tables/t`
tbl := s.tables[name]
req := &btapb.ModifyColumnFamiliesRequest{
Name: name,
Modifications: []*btapb.ModifyColumnFamiliesRequest_Modification{{
Id: "cf",
Mod: &btapb.ModifyColumnFamiliesRequest_Modification_Create{&btapb.ColumnFamily{}},
}},
}
_, err := s.ModifyColumnFamilies(ctx, req)
if err != nil {
t.Fatal(err)
}
req = &btapb.ModifyColumnFamiliesRequest{
Name: name,
Modifications: []*btapb.ModifyColumnFamiliesRequest_Modification{{
Id: "cf",
Mod: &btapb.ModifyColumnFamiliesRequest_Modification_Update{&btapb.ColumnFamily{
GcRule: &btapb.GcRule{Rule: &btapb.GcRule_MaxNumVersions{1}},
}},
}},
}
if _, err := s.ModifyColumnFamilies(ctx, req); err != nil {
t.Fatal(err)
}
var wg sync.WaitGroup
var ts int64
ms := func() []*btpb.Mutation {
return []*btpb.Mutation{{
Mutation: &btpb.Mutation_SetCell_{&btpb.Mutation_SetCell{
FamilyName: "cf",
ColumnQualifier: []byte(`col`),
TimestampMicros: atomic.AddInt64(&ts, 1000),
}},
}}
}
rmw := func() *btpb.ReadModifyWriteRowRequest {
return &btpb.ReadModifyWriteRowRequest{
TableName: name,
RowKey: []byte(fmt.Sprint(rand.Intn(100))),
Rules: []*btpb.ReadModifyWriteRule{{
FamilyName: "cf",
ColumnQualifier: []byte("col"),
Rule: &btpb.ReadModifyWriteRule_IncrementAmount{1},
}},
}
}
for i := 0; i < 100; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for ctx.Err() == nil {
req := &btpb.MutateRowRequest{
TableName: name,
RowKey: []byte(fmt.Sprint(rand.Intn(100))),
Mutations: ms(),
}
s.MutateRow(ctx, req)
}
}()
wg.Add(1)
go func() {
defer wg.Done()
for ctx.Err() == nil {
_, _ = s.ReadModifyWriteRow(ctx, rmw())
}
}()
wg.Add(1)
go func() {
defer wg.Done()
tbl.gc()
}()
}
done := make(chan struct{})
go func() {
wg.Wait()
close(done)
}()
select {
case <-done:
case <-time.After(1 * time.Second):
t.Error("Concurrent mutations and GCs haven't completed after 1s")
}
}
func TestCreateTableWithFamily(t *testing.T) {
// The Go client currently doesn't support creating a table with column families
// in one operation but it is allowed by the API. This must still be supported by the
// fake server so this test lives here instead of in the main bigtable
// integration test.
s := &server{
tables: make(map[string]*table),
}
ctx := context.Background()
newTbl := btapb.Table{
ColumnFamilies: map[string]*btapb.ColumnFamily{
"cf1": {GcRule: &btapb.GcRule{Rule: &btapb.GcRule_MaxNumVersions{123}}},
"cf2": {GcRule: &btapb.GcRule{Rule: &btapb.GcRule_MaxNumVersions{456}}},
},
}
cTbl, err := s.CreateTable(ctx, &btapb.CreateTableRequest{Parent: "cluster", TableId: "t", Table: &newTbl})
if err != nil {
t.Fatalf("Creating table: %v", err)
}
tbl, err := s.GetTable(ctx, &btapb.GetTableRequest{Name: cTbl.Name})
if err != nil {
t.Fatalf("Getting table: %v", err)
}
cf := tbl.ColumnFamilies["cf1"]
if cf == nil {
t.Fatalf("Missing col family cf1")
}
if got, want := cf.GcRule.GetMaxNumVersions(), int32(123); got != want {
t.Errorf("Invalid MaxNumVersions: wanted:%d, got:%d", want, got)
}
cf = tbl.ColumnFamilies["cf2"]
if cf == nil {
t.Fatalf("Missing col family cf2")
}
if got, want := cf.GcRule.GetMaxNumVersions(), int32(456); got != want {
t.Errorf("Invalid MaxNumVersions: wanted:%d, got:%d", want, got)
}
}
type MockSampleRowKeysServer struct {
responses []*btpb.SampleRowKeysResponse
grpc.ServerStream
}
func (s *MockSampleRowKeysServer) Send(resp *btpb.SampleRowKeysResponse) error {
s.responses = append(s.responses, resp)
return nil
}
func TestSampleRowKeys(t *testing.T) {
s := &server{
tables: make(map[string]*table),
}
ctx := context.Background()
newTbl := btapb.Table{
ColumnFamilies: map[string]*btapb.ColumnFamily{
"cf": {GcRule: &btapb.GcRule{Rule: &btapb.GcRule_MaxNumVersions{1}}},
},
}
tbl, err := s.CreateTable(ctx, &btapb.CreateTableRequest{Parent: "cluster", TableId: "t", Table: &newTbl})
if err != nil {
t.Fatalf("Creating table: %v", err)
}
// Populate the table
val := []byte("value")
rowCount := 1000
for i := 0; i < rowCount; i++ {
req := &btpb.MutateRowRequest{
TableName: tbl.Name,
RowKey: []byte("row-" + strconv.Itoa(i)),
Mutations: []*btpb.Mutation{{
Mutation: &btpb.Mutation_SetCell_{&btpb.Mutation_SetCell{
FamilyName: "cf",
ColumnQualifier: []byte("col"),
TimestampMicros: 0,
Value: val,
}},
}},
}
if _, err := s.MutateRow(ctx, req); err != nil {
t.Fatalf("Populating table: %v", err)
}
}
mock := &MockSampleRowKeysServer{}
if err := s.SampleRowKeys(&btpb.SampleRowKeysRequest{TableName: tbl.Name}, mock); err != nil {
t.Errorf("SampleRowKeys error: %v", err)
}
if len(mock.responses) == 0 {
t.Fatal("Response count: got 0, want > 0")
}
// Make sure the offset of the final response is the offset of the final row
got := mock.responses[len(mock.responses)-1].OffsetBytes
want := int64((rowCount - 1) * len(val))
if got != want {
t.Errorf("Invalid offset: got %d, want %d", got, want)
}
}
func TestDropRowRange(t *testing.T) {
s := &server{
tables: make(map[string]*table),
}
ctx := context.Background()
newTbl := btapb.Table{
ColumnFamilies: map[string]*btapb.ColumnFamily{
"cf": {GcRule: &btapb.GcRule{Rule: &btapb.GcRule_MaxNumVersions{1}}},
},
}
tblInfo, err := s.CreateTable(ctx, &btapb.CreateTableRequest{Parent: "cluster", TableId: "t", Table: &newTbl})
if err != nil {
t.Fatalf("Creating table: %v", err)
}
tbl := s.tables[tblInfo.Name]
// Populate the table
prefixes := []string{"AAA", "BBB", "CCC", "DDD"}
count := 3
doWrite := func() {
for _, prefix := range prefixes {
for i := 0; i < count; i++ {
req := &btpb.MutateRowRequest{
TableName: tblInfo.Name,
RowKey: []byte(prefix + strconv.Itoa(i)),
Mutations: []*btpb.Mutation{{
Mutation: &btpb.Mutation_SetCell_{&btpb.Mutation_SetCell{
FamilyName: "cf",
ColumnQualifier: []byte("col"),
TimestampMicros: 0,
Value: []byte{},
}},
}},
}
if _, err := s.MutateRow(ctx, req); err != nil {
t.Fatalf("Populating table: %v", err)
}
}
}
}
doWrite()
tblSize := len(tbl.rows)
req := &btapb.DropRowRangeRequest{
Name: tblInfo.Name,
Target: &btapb.DropRowRangeRequest_RowKeyPrefix{[]byte("AAA")},
}
if _, err = s.DropRowRange(ctx, req); err != nil {
t.Fatalf("Dropping first range: %v", err)
}
got, want := len(tbl.rows), tblSize-count
if got != want {
t.Errorf("Row count after first drop: got %d (%v), want %d", got, tbl.rows, want)
}
req = &btapb.DropRowRangeRequest{
Name: tblInfo.Name,
Target: &btapb.DropRowRangeRequest_RowKeyPrefix{[]byte("DDD")},
}
if _, err = s.DropRowRange(ctx, req); err != nil {
t.Fatalf("Dropping second range: %v", err)
}
got, want = len(tbl.rows), tblSize-(2*count)
if got != want {
t.Errorf("Row count after second drop: got %d (%v), want %d", got, tbl.rows, want)
}
req = &btapb.DropRowRangeRequest{
Name: tblInfo.Name,
Target: &btapb.DropRowRangeRequest_RowKeyPrefix{[]byte("XXX")},
}
if _, err = s.DropRowRange(ctx, req); err != nil {
t.Fatalf("Dropping invalid range: %v", err)
}
got, want = len(tbl.rows), tblSize-(2*count)
if got != want {
t.Errorf("Row count after invalid drop: got %d (%v), want %d", got, tbl.rows, want)
}
req = &btapb.DropRowRangeRequest{
Name: tblInfo.Name,
Target: &btapb.DropRowRangeRequest_DeleteAllDataFromTable{true},
}
if _, err = s.DropRowRange(ctx, req); err != nil {
t.Fatalf("Dropping all data: %v", err)
}
got, want = len(tbl.rows), 0
if got != want {
t.Errorf("Row count after drop all: got %d, want %d", got, want)
}
// Test that we can write rows, delete some and then write them again.
count = 1
doWrite()
req = &btapb.DropRowRangeRequest{
Name: tblInfo.Name,
Target: &btapb.DropRowRangeRequest_DeleteAllDataFromTable{true},
}
if _, err = s.DropRowRange(ctx, req); err != nil {
t.Fatalf("Dropping all data: %v", err)
}
got, want = len(tbl.rows), 0
if got != want {
t.Errorf("Row count after drop all: got %d, want %d", got, want)
}
doWrite()
got, want = len(tbl.rows), len(prefixes)
if got != want {
t.Errorf("Row count after rewrite: got %d, want %d", got, want)
}
req = &btapb.DropRowRangeRequest{
Name: tblInfo.Name,
Target: &btapb.DropRowRangeRequest_RowKeyPrefix{[]byte("BBB")},
}
if _, err = s.DropRowRange(ctx, req); err != nil {
t.Fatalf("Dropping range: %v", err)
}
doWrite()
got, want = len(tbl.rows), len(prefixes)
if got != want {
t.Errorf("Row count after drop range: got %d, want %d", got, want)
}
}
type MockReadRowsServer struct {
responses []*btpb.ReadRowsResponse
grpc.ServerStream
}
func (s *MockReadRowsServer) Send(resp *btpb.ReadRowsResponse) error {
s.responses = append(s.responses, resp)
return nil
}
func TestReadRowsOrder(t *testing.T) {
s := &server{
tables: make(map[string]*table),
}
ctx := context.Background()
newTbl := btapb.Table{
ColumnFamilies: map[string]*btapb.ColumnFamily{
"cf0": {GcRule: &btapb.GcRule{Rule: &btapb.GcRule_MaxNumVersions{1}}},
},
}
tblInfo, err := s.CreateTable(ctx, &btapb.CreateTableRequest{Parent: "cluster", TableId: "t", Table: &newTbl})
if err != nil {
t.Fatalf("Creating table: %v", err)
}
count := 3
mcf := func(i int) *btapb.ModifyColumnFamiliesRequest {
return &btapb.ModifyColumnFamiliesRequest{
Name: tblInfo.Name,
Modifications: []*btapb.ModifyColumnFamiliesRequest_Modification{{
Id: "cf" + strconv.Itoa(i),
Mod: &btapb.ModifyColumnFamiliesRequest_Modification_Create{&btapb.ColumnFamily{}},
}},
}
}
for i := 1; i <= count; i++ {
_, err = s.ModifyColumnFamilies(ctx, mcf(i))
if err != nil {
t.Fatal(err)
}
}
// Populate the table
for fc := 0; fc < count; fc++ {
for cc := count; cc > 0; cc-- {
for tc := 0; tc < count; tc++ {
req := &btpb.MutateRowRequest{
TableName: tblInfo.Name,
RowKey: []byte("row"),
Mutations: []*btpb.Mutation{{
Mutation: &btpb.Mutation_SetCell_{&btpb.Mutation_SetCell{
FamilyName: "cf" + strconv.Itoa(fc),
ColumnQualifier: []byte("col" + strconv.Itoa(cc)),
TimestampMicros: int64((tc + 1) * 1000),
Value: []byte{},
}},
}},
}
if _, err := s.MutateRow(ctx, req); err != nil {
t.Fatalf("Populating table: %v", err)
}
}
}
}
req := &btpb.ReadRowsRequest{
TableName: tblInfo.Name,
Rows: &btpb.RowSet{RowKeys: [][]byte{[]byte("row")}},
}
mock := &MockReadRowsServer{}
if err = s.ReadRows(req, mock); err != nil {
t.Errorf("ReadRows error: %v", err)
}
if len(mock.responses) == 0 {
t.Fatal("Response count: got 0, want > 0")
}
if len(mock.responses[0].Chunks) != 27 {
t.Fatal("Chunk count: got %d, want 27", len(mock.responses[0].Chunks))
}
testOrder := func(ms *MockReadRowsServer) {
var prevFam, prevCol string
var prevTime int64
for _, cc := range ms.responses[0].Chunks {
if prevFam == "" {
prevFam = cc.FamilyName.Value
prevCol = string(cc.Qualifier.Value)
prevTime = cc.TimestampMicros
continue
}
if cc.FamilyName.Value < prevFam {
t.Errorf("Family order is not correct: got %s < %s", cc.FamilyName.Value, prevFam)
} else if cc.FamilyName.Value == prevFam {
if string(cc.Qualifier.Value) < prevCol {
t.Errorf("Column order is not correct: got %s < %s", string(cc.Qualifier.Value), prevCol)
} else if string(cc.Qualifier.Value) == prevCol {
if cc.TimestampMicros > prevTime {
t.Errorf("cell order is not correct: got %d > %d", cc.TimestampMicros, prevTime)
}
}
}
prevFam = cc.FamilyName.Value
prevCol = string(cc.Qualifier.Value)
prevTime = cc.TimestampMicros
}
}
testOrder(mock)
// Read with interleave filter
inter := &btpb.RowFilter_Interleave{}
fnr := &btpb.RowFilter{Filter: &btpb.RowFilter_FamilyNameRegexFilter{"1"}}
cqr := &btpb.RowFilter{Filter: &btpb.RowFilter_ColumnQualifierRegexFilter{[]byte("2")}}
inter.Filters = append(inter.Filters, fnr, cqr)
req = &btpb.ReadRowsRequest{
TableName: tblInfo.Name,
Rows: &btpb.RowSet{RowKeys: [][]byte{[]byte("row")}},
Filter: &btpb.RowFilter{
Filter: &btpb.RowFilter_Interleave_{inter},
},
}
mock = &MockReadRowsServer{}
if err = s.ReadRows(req, mock); err != nil {
t.Errorf("ReadRows error: %v", err)
}
if len(mock.responses) == 0 {
t.Fatal("Response count: got 0, want > 0")
}
if len(mock.responses[0].Chunks) != 18 {
t.Fatal("Chunk count: got %d, want 18", len(mock.responses[0].Chunks))
}
testOrder(mock)
// Check order after ReadModifyWriteRow
rmw := func(i int) *btpb.ReadModifyWriteRowRequest {
return &btpb.ReadModifyWriteRowRequest{
TableName: tblInfo.Name,
RowKey: []byte("row"),
Rules: []*btpb.ReadModifyWriteRule{{
FamilyName: "cf3",
ColumnQualifier: []byte("col" + strconv.Itoa(i)),
Rule: &btpb.ReadModifyWriteRule_IncrementAmount{1},
}},
}
}
for i := count; i > 0; i-- {
s.ReadModifyWriteRow(ctx, rmw(i))
}
req = &btpb.ReadRowsRequest{
TableName: tblInfo.Name,
Rows: &btpb.RowSet{RowKeys: [][]byte{[]byte("row")}},
}
mock = &MockReadRowsServer{}
if err = s.ReadRows(req, mock); err != nil {
t.Errorf("ReadRows error: %v", err)
}
if len(mock.responses) == 0 {
t.Fatal("Response count: got 0, want > 0")
}
if len(mock.responses[0].Chunks) != 30 {
t.Fatal("Chunk count: got %d, want 30", len(mock.responses[0].Chunks))
}
testOrder(mock)
}