/
mocked_inmem_server.go
543 lines (515 loc) · 18.7 KB
/
mocked_inmem_server.go
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// Copyright 2021 Google LLC
//
// 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
//
// https://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 testutil
import (
"encoding/base64"
"fmt"
"google.golang.org/protobuf/types/known/structpb"
"net"
"strconv"
"testing"
"cloud.google.com/go/spanner/admin/database/apiv1/databasepb"
"cloud.google.com/go/spanner/admin/instance/apiv1/instancepb"
"cloud.google.com/go/spanner/apiv1/spannerpb"
"google.golang.org/api/option"
"google.golang.org/grpc"
)
// SelectFooFromBar is a SELECT statement that is added to the mocked test
// server and will return a one-col-two-rows result set containing the INT64
// values 1 and 2.
const SelectFooFromBar = "SELECT FOO FROM BAR"
const selectFooFromBarRowCount int64 = 2
const selectFooFromBarColCount int = 1
var selectFooFromBarResults = []int64{1, 2}
// SelectSingerIDAlbumIDAlbumTitleFromAlbums i a SELECT statement that is added
// to the mocked test server and will return a 3-cols-3-rows result set.
const SelectSingerIDAlbumIDAlbumTitleFromAlbums = "SELECT SingerId, AlbumId, AlbumTitle FROM Albums"
// SelectSingerIDAlbumIDAlbumTitleFromAlbumsRowCount is the number of rows
// returned by the SelectSingerIDAlbumIDAlbumTitleFromAlbums statement.
const SelectSingerIDAlbumIDAlbumTitleFromAlbumsRowCount int64 = 3
// SelectSingerIDAlbumIDAlbumTitleFromAlbumsColCount is the number of cols
// returned by the SelectSingerIDAlbumIDAlbumTitleFromAlbums statement.
const SelectSingerIDAlbumIDAlbumTitleFromAlbumsColCount int = 3
// UpdateBarSetFoo is an UPDATE statement that is added to the mocked test
// server that will return an update count of 5.
const UpdateBarSetFoo = "UPDATE FOO SET BAR=1 WHERE BAZ=2"
// UpdateBarSetFooRowCount is the constant update count value returned by the
// statement defined in UpdateBarSetFoo.
const UpdateBarSetFooRowCount = 5
// UpdateSingersSetLastName is an UPDATE statement that is added to the mocked test
// server that will return an update count of 1.
const UpdateSingersSetLastName = "UPDATE Singers SET LastName='Test' WHERE SingerId=1"
// UpdateSingersSetLastNameRowCount is the constant update count value returned by the
// statement defined in UpdateSingersSetLastName.
const UpdateSingersSetLastNameRowCount = 1
// MockedSpannerInMemTestServer is an InMemSpannerServer with results for a
// number of SQL statements readily mocked.
type MockedSpannerInMemTestServer struct {
TestSpanner InMemSpannerServer
TestInstanceAdmin InMemInstanceAdminServer
TestDatabaseAdmin InMemDatabaseAdminServer
server *grpc.Server
Address string
}
// NewMockedSpannerInMemTestServer creates a MockedSpannerInMemTestServer at
// localhost with a random port and returns client options that can be used
// to connect to it.
func NewMockedSpannerInMemTestServer(t *testing.T) (mockedServer *MockedSpannerInMemTestServer, opts []option.ClientOption, teardown func()) {
return NewMockedSpannerInMemTestServerWithAddr(t, "localhost:0")
}
// NewMockedSpannerInMemTestServerWithAddr creates a MockedSpannerInMemTestServer
// at a given listening address and returns client options that can be used
// to connect to it.
func NewMockedSpannerInMemTestServerWithAddr(t *testing.T, addr string) (mockedServer *MockedSpannerInMemTestServer, opts []option.ClientOption, teardown func()) {
mockedServer = &MockedSpannerInMemTestServer{}
opts = mockedServer.setupMockedServerWithAddr(t, addr)
return mockedServer, opts, func() {
mockedServer.TestSpanner.Stop()
mockedServer.TestInstanceAdmin.Stop()
mockedServer.TestDatabaseAdmin.Stop()
mockedServer.server.Stop()
}
}
func (s *MockedSpannerInMemTestServer) setupMockedServerWithAddr(t *testing.T, addr string) []option.ClientOption {
s.TestSpanner = NewInMemSpannerServer()
s.TestInstanceAdmin = NewInMemInstanceAdminServer()
s.TestDatabaseAdmin = NewInMemDatabaseAdminServer()
s.setupSelect1Result()
s.setupFooResults()
s.setupSingersResults()
s.server = grpc.NewServer()
spannerpb.RegisterSpannerServer(s.server, s.TestSpanner)
instancepb.RegisterInstanceAdminServer(s.server, s.TestInstanceAdmin)
databasepb.RegisterDatabaseAdminServer(s.server, s.TestDatabaseAdmin)
lis, err := net.Listen("tcp", addr)
if err != nil {
t.Fatal(err)
}
go s.server.Serve(lis)
s.Address = lis.Addr().String()
opts := []option.ClientOption{
option.WithEndpoint(s.Address),
option.WithGRPCDialOption(grpc.WithInsecure()),
option.WithoutAuthentication(),
}
return opts
}
func (s *MockedSpannerInMemTestServer) setupSelect1Result() {
result := &StatementResult{Type: StatementResultResultSet, ResultSet: CreateSelect1ResultSet()}
s.TestSpanner.PutStatementResult("SELECT 1", result)
}
func (s *MockedSpannerInMemTestServer) setupFooResults() {
resultSet := CreateSingleColumnResultSet(selectFooFromBarResults, "FOO")
result := &StatementResult{Type: StatementResultResultSet, ResultSet: resultSet}
s.TestSpanner.PutStatementResult(SelectFooFromBar, result)
s.TestSpanner.PutStatementResult(UpdateBarSetFoo, &StatementResult{
Type: StatementResultUpdateCount,
UpdateCount: UpdateBarSetFooRowCount,
})
s.TestSpanner.PutStatementResult(UpdateSingersSetLastName, &StatementResult{
Type: StatementResultUpdateCount,
UpdateCount: UpdateSingersSetLastNameRowCount,
})
}
func (s *MockedSpannerInMemTestServer) setupSingersResults() {
metadata := createSingersMetadata()
rows := make([]*structpb.ListValue, SelectSingerIDAlbumIDAlbumTitleFromAlbumsRowCount)
var idx int64
for idx = 0; idx < SelectSingerIDAlbumIDAlbumTitleFromAlbumsRowCount; idx++ {
rows[idx] = createSingersRow(idx)
}
resultSet := &spannerpb.ResultSet{
Metadata: metadata,
Rows: rows,
}
result := &StatementResult{Type: StatementResultResultSet, ResultSet: resultSet}
s.TestSpanner.PutStatementResult(SelectSingerIDAlbumIDAlbumTitleFromAlbums, result)
}
// CreateSingleRowSingersResult creates a result set containing a single row of
// the SelectSingerIDAlbumIDAlbumTitleFromAlbums result set, or zero rows if
// the given rowNum is greater than the number of rows in the result set. This
// method can be used to mock results for different partitions of a
// BatchReadOnlyTransaction.
func (s *MockedSpannerInMemTestServer) CreateSingleRowSingersResult(rowNum int64) *StatementResult {
metadata := createSingersMetadata()
var returnedRows int
if rowNum < SelectSingerIDAlbumIDAlbumTitleFromAlbumsRowCount {
returnedRows = 1
} else {
returnedRows = 0
}
rows := make([]*structpb.ListValue, returnedRows)
if returnedRows > 0 {
rows[0] = createSingersRow(rowNum)
}
resultSet := &spannerpb.ResultSet{
Metadata: metadata,
Rows: rows,
}
return &StatementResult{Type: StatementResultResultSet, ResultSet: resultSet}
}
func createSingersMetadata() *spannerpb.ResultSetMetadata {
fields := make([]*spannerpb.StructType_Field, SelectSingerIDAlbumIDAlbumTitleFromAlbumsColCount)
fields[0] = &spannerpb.StructType_Field{
Name: "SingerId",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_INT64},
}
fields[1] = &spannerpb.StructType_Field{
Name: "AlbumId",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_INT64},
}
fields[2] = &spannerpb.StructType_Field{
Name: "AlbumTitle",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_STRING},
}
rowType := &spannerpb.StructType{
Fields: fields,
}
return &spannerpb.ResultSetMetadata{
RowType: rowType,
}
}
func createSingersRow(idx int64) *structpb.ListValue {
rowValue := make([]*structpb.Value, SelectSingerIDAlbumIDAlbumTitleFromAlbumsColCount)
rowValue[0] = &structpb.Value{
Kind: &structpb.Value_StringValue{StringValue: strconv.FormatInt(idx+1, 10)},
}
rowValue[1] = &structpb.Value{
Kind: &structpb.Value_StringValue{StringValue: strconv.FormatInt(idx*10+idx, 10)},
}
rowValue[2] = &structpb.Value{
Kind: &structpb.Value_StringValue{StringValue: fmt.Sprintf("Album title %d", idx)},
}
return &structpb.ListValue{
Values: rowValue,
}
}
func CreateResultSetWithAllTypes(nullValues bool) *spannerpb.ResultSet {
index := 0
fields := make([]*spannerpb.StructType_Field, 20)
fields[index] = &spannerpb.StructType_Field{
Name: "ColBool",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_BOOL},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColString",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_STRING},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColBytes",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_BYTES},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColInt",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_INT64},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColFloat32",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_FLOAT32},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColFloat64",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_FLOAT64},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColNumeric",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_NUMERIC},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColDate",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_DATE},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColTimestamp",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_TIMESTAMP},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColJson",
Type: &spannerpb.Type{Code: spannerpb.TypeCode_JSON},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColBoolArray",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_BOOL},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColStringArray",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_STRING},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColBytesArray",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_BYTES},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColIntArray",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_INT64},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColFloat32Array",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_FLOAT32},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColFloat64Array",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_FLOAT64},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColNumericArray",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_NUMERIC},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColDateArray",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_DATE},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColTimestampArray",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_TIMESTAMP},
},
}
index++
fields[index] = &spannerpb.StructType_Field{
Name: "ColJsonArray",
Type: &spannerpb.Type{
Code: spannerpb.TypeCode_ARRAY,
ArrayElementType: &spannerpb.Type{Code: spannerpb.TypeCode_JSON},
},
}
rowType := &spannerpb.StructType{
Fields: fields,
}
metadata := &spannerpb.ResultSetMetadata{
RowType: rowType,
}
rows := make([]*structpb.ListValue, 1)
rowValue := make([]*structpb.Value, len(fields))
if nullValues {
for i := range fields {
rowValue[i] = &structpb.Value{Kind: &structpb.Value_NullValue{NullValue: structpb.NullValue_NULL_VALUE}}
}
} else {
index = 0
rowValue[index] = &structpb.Value{Kind: &structpb.Value_BoolValue{BoolValue: true}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_StringValue{StringValue: "test"}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_StringValue{StringValue: base64.StdEncoding.EncodeToString([]byte("testbytes"))}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_StringValue{StringValue: "5"}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_NumberValue{NumberValue: float64(float32(3.14))}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_NumberValue{NumberValue: 3.14}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_StringValue{StringValue: "6.626"}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_StringValue{StringValue: "2021-07-21"}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_StringValue{StringValue: "2021-07-21T21:07:59.339911800Z"}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_StringValue{StringValue: `{"key": "value", "other-key": ["value1", "value2"]}`}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_BoolValue{BoolValue: true}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_BoolValue{BoolValue: false}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_StringValue{StringValue: "test1"}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_StringValue{StringValue: "test2"}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_StringValue{StringValue: base64.StdEncoding.EncodeToString([]byte("testbytes1"))}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_StringValue{StringValue: base64.StdEncoding.EncodeToString([]byte("testbytes2"))}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_StringValue{StringValue: "1"}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_StringValue{StringValue: "2"}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_NumberValue{NumberValue: float64(float32(3.14))}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_NumberValue{NumberValue: float64(float32(-99.99))}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_NumberValue{NumberValue: 6.626}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_NumberValue{NumberValue: 10.01}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_StringValue{StringValue: "3.14"}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_StringValue{StringValue: "10.01"}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_StringValue{StringValue: "2000-02-29"}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_StringValue{StringValue: "2021-07-27"}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_StringValue{StringValue: "2021-07-21T21:07:59.339911800Z"}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_StringValue{StringValue: "2021-07-27T21:07:59.339911800Z"}},
}},
}}
index++
rowValue[index] = &structpb.Value{Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{Values: []*structpb.Value{
{Kind: &structpb.Value_StringValue{StringValue: `{"key1": "value1", "other-key1": ["value1", "value2"]}`}},
{Kind: &structpb.Value_NullValue{}},
{Kind: &structpb.Value_StringValue{StringValue: `{"key2": "value2", "other-key2": ["value1", "value2"]}`}},
}},
}}
}
rows[0] = &structpb.ListValue{
Values: rowValue,
}
return &spannerpb.ResultSet{
Metadata: metadata,
Rows: rows,
}
}
func CreateSelect1ResultSet() *spannerpb.ResultSet {
return CreateSingleColumnResultSet([]int64{1}, "")
}
func CreateSingleColumnResultSet(values []int64, name string) *spannerpb.ResultSet {
fields := make([]*spannerpb.StructType_Field, 1)
fields[0] = &spannerpb.StructType_Field{
Name: name,
Type: &spannerpb.Type{Code: spannerpb.TypeCode_INT64},
}
rowType := &spannerpb.StructType{
Fields: fields,
}
metadata := &spannerpb.ResultSetMetadata{
RowType: rowType,
}
rows := make([]*structpb.ListValue, len(values))
for i, v := range values {
rowValue := make([]*structpb.Value, 1)
rowValue[0] = &structpb.Value{
Kind: &structpb.Value_StringValue{StringValue: fmt.Sprintf("%v", v)},
}
rows[i] = &structpb.ListValue{
Values: rowValue,
}
}
return &spannerpb.ResultSet{
Metadata: metadata,
Rows: rows,
}
}
func CreateTwoColumnResultSet(values [][2]int64, name [2]string) *spannerpb.ResultSet {
fields := make([]*spannerpb.StructType_Field, 2)
fields[0] = &spannerpb.StructType_Field{
Name: name[0],
Type: &spannerpb.Type{Code: spannerpb.TypeCode_INT64},
}
fields[1] = &spannerpb.StructType_Field{
Name: name[1],
Type: &spannerpb.Type{Code: spannerpb.TypeCode_INT64},
}
rowType := &spannerpb.StructType{
Fields: fields,
}
metadata := &spannerpb.ResultSetMetadata{
RowType: rowType,
}
rows := make([]*structpb.ListValue, len(values))
for i, v := range values {
rowValue := make([]*structpb.Value, 2)
rowValue[0] = &structpb.Value{
Kind: &structpb.Value_StringValue{StringValue: fmt.Sprintf("%v", v[0])},
}
rowValue[1] = &structpb.Value{
Kind: &structpb.Value_StringValue{StringValue: fmt.Sprintf("%v", v[1])},
}
rows[i] = &structpb.ListValue{
Values: rowValue,
}
}
return &spannerpb.ResultSet{
Metadata: metadata,
Rows: rows,
}
}