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sharding_insert_test.go
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sharding_insert_test.go
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// Copyright 2021 ecodeclub
//
// 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 eorm
import (
"context"
"database/sql"
"errors"
"fmt"
"regexp"
"testing"
"github.com/DATA-DOG/go-sqlmock"
"github.com/ecodeclub/eorm/internal/datasource"
"github.com/ecodeclub/eorm/internal/datasource/cluster"
"github.com/ecodeclub/eorm/internal/datasource/masterslave"
"github.com/ecodeclub/eorm/internal/datasource/shardingsource"
"github.com/ecodeclub/eorm/internal/errs"
"github.com/ecodeclub/eorm/internal/model"
"github.com/ecodeclub/eorm/internal/sharding"
"github.com/ecodeclub/eorm/internal/sharding/hash"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"go.uber.org/multierr"
)
func newMockErr(dbName string) error {
return fmt.Errorf("mock error for %s", dbName)
}
type OrderInsert struct {
UserId int `eorm:"primary_key"`
OrderId int64
Content string
Account float64
}
func TestShardingInsert_Build(t *testing.T) {
r := model.NewMetaRegistry()
dbBase, tableBase, dsBase := 2, 3, 2
dbPattern, tablePattern, dsPattern := "order_db_%d", "order_tab_%d", "%d.db.cluster.company.com:3306"
_, err := r.Register(&OrderInsert{},
model.WithTableShardingAlgorithm(&hash.Hash{
ShardingKey: "UserId",
DBPattern: &hash.Pattern{Name: dbPattern, Base: dbBase},
TablePattern: &hash.Pattern{Name: tablePattern, Base: tableBase},
DsPattern: &hash.Pattern{Name: dsPattern, Base: dsBase},
}))
require.NoError(t, err)
m := map[string]*masterslave.MasterSlavesDB{
"order_db_0": MasterSlavesMemoryDB(),
"order_db_1": MasterSlavesMemoryDB(),
"order_db_2": MasterSlavesMemoryDB(),
}
clusterDB := cluster.NewClusterDB(m)
ds := map[string]datasource.DataSource{
"0.db.cluster.company.com:3306": clusterDB,
"1.db.cluster.company.com:3306": clusterDB,
}
shardingDB, err := OpenDS("sqlite3",
shardingsource.NewShardingDataSource(ds), DBWithMetaRegistry(r))
require.NoError(t, err)
testCases := []struct {
name string
builder sharding.QueryBuilder
wantQs []sharding.Query
wantErr error
}{
{
name: "插入一个元素",
builder: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{UserId: 1, OrderId: 1, Content: "1", Account: 1.0},
}),
wantQs: []sharding.Query{
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);", "`order_db_1`", "`order_tab_1`"),
Args: []any{1, int64(1), "1", 1.0},
DB: "order_db_1",
Datasource: "1.db.cluster.company.com:3306",
},
},
},
{
name: "插入多个元素",
builder: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{UserId: 1, OrderId: 1, Content: "1", Account: 1.0},
{UserId: 2, OrderId: 2, Content: "2", Account: 2.0},
{UserId: 3, OrderId: 3, Content: "3", Account: 3.0},
{UserId: 4, OrderId: 4, Content: "4", Account: 4.0},
}),
wantQs: []sharding.Query{
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);", "`order_db_0`", "`order_tab_1`"),
Args: []any{4, int64(4), "4", 4.0},
DB: "order_db_0",
Datasource: "0.db.cluster.company.com:3306",
},
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);", "`order_db_0`", "`order_tab_2`"),
Args: []any{2, int64(2), "2", 2.0},
DB: "order_db_0",
Datasource: "0.db.cluster.company.com:3306",
},
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);", "`order_db_1`", "`order_tab_0`"),
Args: []any{3, int64(3), "3", 3.0},
DB: "order_db_1",
Datasource: "1.db.cluster.company.com:3306",
},
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);", "`order_db_1`", "`order_tab_1`"),
Args: []any{1, int64(1), "1", 1.0},
DB: "order_db_1",
Datasource: "1.db.cluster.company.com:3306",
},
},
},
{
name: "插入多个元素, 但是不同的元素会被分配到同一个库",
builder: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{UserId: 1, OrderId: 1, Content: "1", Account: 1.0},
{UserId: 7, OrderId: 7, Content: "7", Account: 7.0},
}),
wantQs: []sharding.Query{
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?),(?,?,?,?);", "`order_db_1`", "`order_tab_1`"),
Args: []any{1, int64(1), "1", 1.0, 7, int64(7), "7", 7.0},
DB: "order_db_1",
Datasource: "1.db.cluster.company.com:3306",
},
},
},
{
name: "插入多个元素, 有不同的元素会被分配到同一个库表",
builder: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{UserId: 1, OrderId: 1, Content: "1", Account: 1.0},
{UserId: 7, OrderId: 7, Content: "7", Account: 7.0},
{UserId: 2, OrderId: 2, Content: "2", Account: 2.0},
{UserId: 8, OrderId: 8, Content: "8", Account: 8.0},
{UserId: 3, OrderId: 3, Content: "3", Account: 3.0},
}),
wantQs: []sharding.Query{
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?),(?,?,?,?);", "`order_db_0`", "`order_tab_2`"),
Args: []any{2, int64(2), "2", 2.0, 8, int64(8), "8", 8.0},
DB: "order_db_0",
Datasource: "0.db.cluster.company.com:3306",
},
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);", "`order_db_1`", "`order_tab_0`"),
Args: []any{3, int64(3), "3", 3.0},
DB: "order_db_1",
Datasource: "1.db.cluster.company.com:3306",
},
{
SQL: fmt.Sprintf("INSERT INTO %s.%s(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?),(?,?,?,?);", "`order_db_1`", "`order_tab_1`"),
Args: []any{1, int64(1), "1", 1.0, 7, int64(7), "7", 7.0},
DB: "order_db_1",
Datasource: "1.db.cluster.company.com:3306",
},
},
},
{
name: "插入时，插入的列没有包含分库分表的列",
builder: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{OrderId: 1, Content: "1", Account: 1.0},
}).Columns([]string{"OrderId", "Content", "Account"}),
wantErr: errs.ErrInsertShardingKeyNotFound,
},
{
name: "插入时,忽略主键，但主键为shardingKey报错",
builder: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{OrderId: 1, Content: "1", Account: 1.0},
}).IgnorePK(),
wantErr: errs.ErrInsertShardingKeyNotFound,
},
{
name: "values中没有元素报错",
builder: NewShardingInsert[OrderInsert](shardingDB),
wantErr: errors.New("插入0行"),
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
qs, err := tc.builder.Build(context.Background())
require.Equal(t, tc.wantErr, err)
if err != nil {
return
}
assert.ElementsMatch(t, tc.wantQs, qs)
})
}
}
type ShardingInsertSuite struct {
suite.Suite
mock01 sqlmock.Sqlmock
mockDB01 *sql.DB
mock02 sqlmock.Sqlmock
mockDB02 *sql.DB
}
func (s *ShardingInsertSuite) SetupSuite() {
t := s.T()
var err error
s.mockDB01, s.mock01, err = sqlmock.New()
if err != nil {
t.Fatal(err)
}
s.mockDB02, s.mock02, err = sqlmock.New()
if err != nil {
t.Fatal(err)
}
}
func (s *ShardingInsertSuite) TearDownTest() {
_ = s.mockDB01.Close()
_ = s.mockDB02.Close()
}
func (s *ShardingInsertSuite) TestShardingInsert_Exec() {
r := model.NewMetaRegistry()
dbBase, tableBase := 2, 3
dbPattern, tablePattern, dsPattern := "order_db_%d", "order_tab_%d", "0.db.cluster.company.com:3306"
_, err := r.Register(&OrderInsert{},
model.WithTableShardingAlgorithm(&hash.Hash{
ShardingKey: "UserId",
DBPattern: &hash.Pattern{Name: dbPattern, Base: dbBase},
TablePattern: &hash.Pattern{Name: tablePattern, Base: tableBase},
DsPattern: &hash.Pattern{Name: dsPattern, NotSharding: true},
}))
require.NoError(s.T(), err)
m := map[string]*masterslave.MasterSlavesDB{
"order_db_0": MasterSlavesMockDB(s.mockDB01),
"order_db_1": MasterSlavesMockDB(s.mockDB02),
}
clusterDB := cluster.NewClusterDB(m)
ds := map[string]datasource.DataSource{
"0.db.cluster.company.com:3306": clusterDB,
}
shardingDB, err := OpenDS("mysql",
shardingsource.NewShardingDataSource(ds), DBWithMetaRegistry(r))
require.NoError(s.T(), err)
testcases := []struct {
name string
si *ShardingInserter[OrderInsert]
mockDb func()
wantErr error
wantAffectedRows int64
}{
{
name: "跨表插入全部成功",
si: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{UserId: 1, OrderId: 1, Content: "1", Account: 1.0},
{UserId: 2, OrderId: 2, Content: "2", Account: 2.0},
{UserId: 3, OrderId: 3, Content: "3", Account: 3.0},
}),
mockDb: func() {
s.mock02.MatchExpectationsInOrder(false)
s.mock02.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_1`.`order_tab_1`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(1, int64(1), "1", 1.0).WillReturnResult(sqlmock.NewResult(1, 1))
s.mock02.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_1`.`order_tab_0`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(3, int64(3), "3", 3.0).WillReturnResult(sqlmock.NewResult(1, 1))
s.mock01.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_0`.`order_tab_2`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(2, int64(2), "2", 2.0).WillReturnResult(sqlmock.NewResult(1, 1))
},
wantAffectedRows: 3,
},
{
name: "部分插入失败",
si: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{UserId: 1, OrderId: 1, Content: "1", Account: 1.0},
{UserId: 2, OrderId: 2, Content: "2", Account: 2.0},
{UserId: 3, OrderId: 3, Content: "3", Account: 3.0},
}),
mockDb: func() {
s.mock02.MatchExpectationsInOrder(false)
s.mock02.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_1`.`order_tab_1`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(1, int64(1), "1", 1.0).WillReturnError(newMockErr("db01"))
s.mock02.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_1`.`order_tab_0`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(3, int64(3), "3", 3.0).WillReturnResult(sqlmock.NewResult(1, 1))
s.mock01.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_0`.`order_tab_2`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(2, int64(2), "2", 2.0).WillReturnResult(sqlmock.NewResult(1, 1))
},
wantErr: multierr.Combine(newMockErr("db01")),
},
{
name: "全部插入失败",
si: NewShardingInsert[OrderInsert](shardingDB).Values([]*OrderInsert{
{UserId: 1, OrderId: 1, Content: "1", Account: 1.0},
{UserId: 2, OrderId: 2, Content: "2", Account: 2.0},
{UserId: 3, OrderId: 3, Content: "3", Account: 3.0},
}),
mockDb: func() {
s.mock02.MatchExpectationsInOrder(false)
s.mock02.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_1`.`order_tab_1`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(1, int64(1), "1", 1.0).WillReturnError(newMockErr("db"))
s.mock02.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_1`.`order_tab_0`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(3, int64(3), "3", 3.0).WillReturnError(newMockErr("db"))
s.mock01.ExpectExec(regexp.QuoteMeta("INSERT INTO `order_db_0`.`order_tab_2`(`user_id`,`order_id`,`content`,`account`) VALUES(?,?,?,?);")).WithArgs(2, int64(2), "2", 2.0).WillReturnError(newMockErr("db"))
},
wantErr: multierr.Combine(newMockErr("db"), newMockErr("db"), newMockErr("db")),
},
}
for _, tc := range testcases {
s.T().Run(tc.name, func(t *testing.T) {
tc.mockDb()
res := tc.si.Exec(context.Background())
require.Equal(t, tc.wantErr, res.Err())
if res.Err() != nil {
return
}
affectRows, err := res.RowsAffected()
require.NoError(t, err)
assert.Equal(t, tc.wantAffectedRows, affectRows)
})
}
}
func TestShardingInsertSuite(t *testing.T) {
suite.Run(t, &ShardingInsertSuite{})
}
func MasterSlavesMockDB(db *sql.DB) *masterslave.MasterSlavesDB {
return masterslave.NewMasterSlavesDB(db)
}