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// Copyright 2018 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
//
// 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 spanner
import (
"bytes"
"context"
"io/ioutil"
"log"
"os"
"testing"
"time"
. "cloud.google.com/go/spanner/internal/testutil"
sppb "google.golang.org/genproto/googleapis/spanner/v1"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func TestMockPartitionedUpdate(t *testing.T) {
t.Parallel()
ctx := context.Background()
_, client, teardown := setupMockedTestServer(t)
defer teardown()
stmt := NewStatement(UpdateBarSetFoo)
rowCount, err := client.PartitionedUpdate(ctx, stmt)
if err != nil {
t.Fatal(err)
}
want := int64(UpdateBarSetFooRowCount)
if rowCount != want {
t.Errorf("got %d, want %d", rowCount, want)
}
}
func TestMockPartitionedUpdateWithQuery(t *testing.T) {
t.Parallel()
ctx := context.Background()
_, client, teardown := setupMockedTestServer(t)
defer teardown()
stmt := NewStatement(SelectFooFromBar)
_, err := client.PartitionedUpdate(ctx, stmt)
wantCode := codes.InvalidArgument
var serr *Error
if !errorAs(err, &serr) {
t.Errorf("got error %v, want spanner.Error", err)
}
if ErrCode(serr) != wantCode {
t.Errorf("got error %v, want code %s", serr, wantCode)
}
}
// PDML should be retried if the transaction is aborted.
func TestPartitionedUpdate_Aborted(t *testing.T) {
t.Parallel()
ctx := context.Background()
server, client, teardown := setupMockedTestServer(t)
defer teardown()
server.TestSpanner.PutExecutionTime(MethodExecuteSql,
SimulatedExecutionTime{
Errors: []error{status.Error(codes.Aborted, "Transaction aborted")},
})
stmt := NewStatement(UpdateBarSetFoo)
rowCount, err := client.PartitionedUpdate(ctx, stmt)
if err != nil {
t.Fatal(err)
}
want := int64(UpdateBarSetFooRowCount)
if rowCount != want {
t.Errorf("Row count mismatch\ngot: %d\nwant: %d", rowCount, want)
}
gotReqs, err := shouldHaveReceived(server.TestSpanner, []interface{}{
&sppb.CreateSessionRequest{},
&sppb.BeginTransactionRequest{},
&sppb.ExecuteSqlRequest{},
&sppb.BeginTransactionRequest{},
&sppb.ExecuteSqlRequest{},
&sppb.DeleteSessionRequest{},
})
if err != nil {
t.Fatal(err)
}
id1 := gotReqs[2].(*sppb.ExecuteSqlRequest).Transaction.GetId()
id2 := gotReqs[4].(*sppb.ExecuteSqlRequest).Transaction.GetId()
if bytes.Equal(id1, id2) {
t.Errorf("same transaction used twice, expected two different transactions\ngot tx1: %q\ngot tx2: %q", id1, id2)
}
}
// Test that a deadline is respected by PDML, and that the session that was
// created is also deleted, even though the update timed out.
func TestPartitionedUpdate_WithDeadline(t *testing.T) {
t.Parallel()
logger := log.New(os.Stderr, "", log.LstdFlags)
server, client, teardown := setupMockedTestServerWithConfig(t, ClientConfig{
SessionPoolConfig: DefaultSessionPoolConfig,
logger: logger,
})
defer teardown()
ctx := context.Background()
ctx, cancel := context.WithDeadline(ctx, time.Now().Add(50*time.Millisecond))
defer cancel()
server.TestSpanner.PutExecutionTime(MethodExecuteSql,
SimulatedExecutionTime{
MinimumExecutionTime: 100 * time.Millisecond,
})
stmt := NewStatement(UpdateBarSetFoo)
// The following update will cause a 'Failed to delete session' warning to
// be logged. This is expected. To avoid spamming the log, we temporarily
// set the output to be discarded.
logger.SetOutput(ioutil.Discard)
_, err := client.PartitionedUpdate(ctx, stmt)
logger.SetOutput(os.Stderr)
if err == nil {
t.Fatalf("missing expected error")
}
wantCode := codes.DeadlineExceeded
if status.Code(err) != wantCode {
t.Fatalf("got error %v, want code %s", err, wantCode)
}
}
func TestPartitionedUpdate_QueryOptions(t *testing.T) {
for _, tt := range queryOptionsTestCases() {
t.Run(tt.name, func(t *testing.T) {
if tt.env.Options != nil {
os.Setenv("SPANNER_OPTIMIZER_VERSION", tt.env.Options.OptimizerVersion)
defer os.Setenv("SPANNER_OPTIMIZER_VERSION", "")
}
ctx := context.Background()
server, client, teardown := setupMockedTestServerWithConfig(t, ClientConfig{QueryOptions: tt.client})
defer teardown()
var err error
if tt.query.Options == nil {
_, err = client.PartitionedUpdate(ctx, NewStatement(UpdateBarSetFoo))
} else {
_, err = client.PartitionedUpdateWithOptions(ctx, NewStatement(UpdateBarSetFoo), tt.query)
}
if err != nil {
t.Fatalf("expect no errors, but got %v", err)
}
checkReqsForQueryOptions(t, server.TestSpanner, tt.want)
})
}
}
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