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/*!
* Copyright 2020 Google LLC. 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.
*/
import {after, before, beforeEach, describe, Done, it} from 'mocha';
import * as assert from 'assert';
import {grpc, Status, ServiceError} from 'google-gax';
// eslint-disable-next-line n/no-extraneous-import
import * as grpcModule from '@grpc/grpc-js';
import {
Database,
Instance,
MutationGroup,
MutationSet,
SessionPool,
Snapshot,
Spanner,
Transaction,
} from '../src';
import * as mock from './mockserver/mockspanner';
import {
MockError,
MockSpanner,
NUM_ROWS_LARGE_RESULT_SET,
SimulatedExecutionTime,
} from './mockserver/mockspanner';
import * as mockInstanceAdmin from './mockserver/mockinstanceadmin';
import {TEST_INSTANCE_NAME} from './mockserver/mockinstanceadmin';
import * as mockDatabaseAdmin from './mockserver/mockdatabaseadmin';
import * as sinon from 'sinon';
import {google} from '../protos/protos';
import {ExecuteSqlRequest, ReadRequest, RunResponse} from '../src/transaction';
import {Row} from '../src/partial-result-stream';
import {GetDatabaseOperationsOptions} from '../src/instance';
import {
isSessionNotFoundError,
SessionLeakError,
SessionPoolExhaustedError,
SessionPoolOptions,
} from '../src/session-pool';
import {Float, Int, Json, Numeric, SpannerDate} from '../src/codec';
import * as stream from 'stream';
import * as util from 'util';
import {PreciseDate} from '@google-cloud/precise-date';
import {
CLOUD_RESOURCE_HEADER,
LEADER_AWARE_ROUTING_HEADER,
} from '../src/common';
import {
RequestIDError,
X_GOOG_REQ_ID_REGEX,
X_GOOG_SPANNER_REQUEST_ID_HEADER,
X_GOOG_SPANNER_REQUEST_ID_SPAN_ATTR,
randIdForProcess,
resetNthClientId,
} from '../src/request_id_header';
import CreateInstanceMetadata = google.spanner.admin.instance.v1.CreateInstanceMetadata;
import QueryOptions = google.spanner.v1.ExecuteSqlRequest.QueryOptions;
import v1 = google.spanner.v1;
import IQueryOptions = google.spanner.v1.ExecuteSqlRequest.IQueryOptions;
import ResultSetStats = google.spanner.v1.ResultSetStats;
import RequestOptions = google.spanner.v1.RequestOptions;
import PartialResultSet = google.spanner.v1.PartialResultSet;
import protobuf = google.spanner.v1;
import Priority = google.spanner.v1.RequestOptions.Priority;
import TypeCode = google.spanner.v1.TypeCode;
import NullValue = google.protobuf.NullValue;
import IsolationLevel = google.spanner.v1.TransactionOptions.IsolationLevel;
import ReadLockMode = google.spanner.v1.TransactionOptions.ReadWrite.ReadLockMode;
import {SessionFactory} from '../src/session-factory';
import {MultiplexedSession} from '../src/multiplexed-session';
import {WriteAtLeastOnceOptions} from '../src/database';
import {MetricsTracerFactory} from '../src/metrics/metrics-tracer-factory';
import {randomUUID} from 'crypto';
const {
AlwaysOnSampler,
NodeTracerProvider,
InMemorySpanExporter,
} = require('@opentelemetry/sdk-trace-node');
const {SimpleSpanProcessor} = require('@opentelemetry/sdk-trace-base');
const {startTrace, ObservabilityOptions} = require('../src/instrument');
function numberToEnglishWord(num: number): string {
switch (num) {
case 1:
return 'One';
case 2:
return 'Two';
case 3:
return 'Three';
default:
throw new Error(`Unknown or unsupported number: ${num}`);
}
}
async function disableMetrics(sandbox: sinon.SinonSandbox) {
if (
Object.prototype.hasOwnProperty.call(
process.env,
'SPANNER_DISABLE_BUILTIN_METRICS',
)
) {
sandbox.replace(process.env, 'SPANNER_DISABLE_BUILTIN_METRICS', 'true');
} else {
sandbox.define(process.env, 'SPANNER_DISABLE_BUILTIN_METRICS', 'true');
}
await MetricsTracerFactory.resetInstance();
MetricsTracerFactory.enabled = false;
}
class XGoogRequestHeaderInterceptor {
private nStream: number;
private nUnary: number;
private streamCalls: any[];
private unaryCalls: any[];
private prefixesToIgnore?: string[];
constructor(prefixesToIgnore?: string[]) {
this.nStream = 0;
this.streamCalls = [];
this.nUnary = 0;
this.unaryCalls = [];
this.prefixesToIgnore = prefixesToIgnore || [];
}
assertHasHeader(call): string | unknown {
const metadata = call.metadata;
const gotReqId = metadata[X_GOOG_SPANNER_REQUEST_ID_HEADER];
if (!gotReqId) {
throw new Error(
`${call.method} is missing ${X_GOOG_SPANNER_REQUEST_ID_HEADER} header`,
);
}
if (!gotReqId.match(X_GOOG_REQ_ID_REGEX)) {
throw new Error(
`${call.method} reqID header ${gotReqId} does not match ${X_GOOG_REQ_ID_REGEX}`,
);
}
return gotReqId;
}
interceptUnary(call, next) {
const gotReqId = this.assertHasHeader(call);
this.unaryCalls.push({method: call.method, reqId: gotReqId});
this.nUnary++;
next(call);
}
generateClientInterceptor() {
return this.interceptUnary.bind(this);
}
interceptStream(call, next) {
const gotReqId = this.assertHasHeader(call);
this.streamCalls.push({method: call.method, reqId: gotReqId});
this.nStream++;
next(call);
}
generateServerInterceptor() {
return this.serverInterceptor.bind(this);
}
reset() {
this.nStream = 0;
this.streamCalls = [];
this.nUnary = 0;
this.unaryCalls = [];
}
public getUnaryCalls() {
return this.unaryCalls;
}
public getStreamingCalls() {
return this.streamCalls;
}
serverInterceptor(methodDescriptor, call) {
const method = call.handler.path;
const isUnary = call.handler.type === 'unary';
const listener = new grpcModule.ServerListenerBuilder()
.withOnReceiveMetadata((metadata, next) => {
let i = 0;
const prefixesToIgnore: string[] = this.prefixesToIgnore || [];
for (i = 0; i < prefixesToIgnore.length; i++) {
const prefix = prefixesToIgnore[i];
if (method.startsWith(prefix)) {
next(metadata);
return;
}
}
const gotReqIds = metadata.get(X_GOOG_SPANNER_REQUEST_ID_HEADER);
if (!(gotReqIds && gotReqIds.length > 0)) {
call.sendStatus({
code: grpcModule.status.INVALID_ARGUMENT,
details: `${method} is missing ${X_GOOG_SPANNER_REQUEST_ID_HEADER} header`,
});
return;
}
if (gotReqIds.length !== 1) {
call.sendStatus({
code: grpcModule.status.INVALID_ARGUMENT,
details: `${method} set multiple ${X_GOOG_SPANNER_REQUEST_ID_HEADER} headers: ${gotReqIds}`,
});
return;
}
const gotReqId = gotReqIds[0].toString();
if (!gotReqId.match(X_GOOG_REQ_ID_REGEX)) {
call.sendStatus({
code: grpcModule.status.INVALID_ARGUMENT,
details: `${method} reqID header ${gotReqId} does not match ${X_GOOG_REQ_ID_REGEX}`,
});
return;
}
if (isUnary) {
this.unaryCalls.push({method: method, reqId: gotReqId});
this.nUnary++;
} else {
this.streamCalls.push({method: method, reqId: gotReqId});
this.nStream++;
}
next(metadata);
})
.build();
const responder = new grpcModule.ResponderBuilder()
.withStart(next => next(listener))
.build();
return new grpcModule.ServerInterceptingCall(call, responder);
}
}
describe('Spanner with mock server', () => {
let sandbox: sinon.SinonSandbox;
const selectSql = 'SELECT NUM, NAME FROM NUMBERS';
const select1 = 'SELECT 1';
const invalidSql = 'SELECT * FROM FOO';
const insertSql = "INSERT INTO NUMBER (NUM, NAME) VALUES (4, 'Four')";
const selectAllTypes = 'SELECT * FROM TABLE_WITH_ALL_TYPES';
const insertSqlForAllTypes = `INSERT INTO TABLE_WITH_ALL_TYPES (COLBOOL, COLINT64, COLFLOAT64, COLNUMERIC, COLSTRING, COLBYTES, COLJSON, COLDATE, COLTIMESTAMP)
VALUES (@bool, @int64, @float64, @numeric, @string, @bytes, @json, @date, @timestamp)`;
const updateSql = "UPDATE NUMBER SET NAME='Unknown' WHERE NUM IN (5, 6)";
const readPartitionsQuery = {
table: 'abc',
keySet: {
keys: [],
all: true,
ranges: [{}, {}],
},
gaxOptions: {},
dataBoostEnabled: true,
};
const fooNotFoundErr = Object.assign(new Error('Table FOO not found'), {
code: grpc.status.NOT_FOUND,
});
const xGoogReqIDInterceptor = new XGoogRequestHeaderInterceptor([
'/google.spanner.admin',
]);
const server = new grpc.Server({
interceptors: [xGoogReqIDInterceptor.generateServerInterceptor()],
});
const spannerMock = mock.createMockSpanner(server);
mockInstanceAdmin.createMockInstanceAdmin(server);
mockDatabaseAdmin.createMockDatabaseAdmin(server);
let port: number;
let spanner: Spanner;
let instance: Instance;
let dbCounter = 1;
function newTestDatabase(options?: SessionPoolOptions): Database {
return instance.database(`database-${dbCounter++}`, options);
}
beforeEach(() => {
resetNthClientId();
xGoogReqIDInterceptor.reset();
});
before(async () => {
sandbox = sinon.createSandbox();
port = await new Promise((resolve, reject) => {
server.bindAsync(
'0.0.0.0:0',
grpc.ServerCredentials.createInsecure(),
(err, assignedPort) => {
if (err) {
reject(err);
} else {
resolve(assignedPort);
}
},
);
});
spannerMock.putReadRequestResult(
readPartitionsQuery,
mock.ReadRequestResult.resultSet(mock.createReadRequestResultSet()),
);
spannerMock.putStatementResult(
selectSql,
mock.StatementResult.resultSet(mock.createSimpleResultSet()),
);
spannerMock.putStatementResult(
select1,
mock.StatementResult.resultSet(mock.createSelect1ResultSet()),
);
spannerMock.putStatementResult(
selectAllTypes,
mock.StatementResult.resultSet(mock.createResultSetWithAllDataTypes()),
);
spannerMock.putStatementResult(
invalidSql,
mock.StatementResult.error(fooNotFoundErr),
);
spannerMock.putStatementResult(
insertSql,
mock.StatementResult.updateCount(1),
);
spannerMock.putStatementResult(
insertSqlForAllTypes,
mock.StatementResult.updateCount(1),
);
spannerMock.putStatementResult(
updateSql,
mock.StatementResult.updateCount(2),
);
// TODO(loite): Enable when SPANNER_EMULATOR_HOST is supported.
// Set environment variable for SPANNER_EMULATOR_HOST to the mock server.
// process.env.SPANNER_EMULATOR_HOST = `localhost:${port}`;
process.env.GOOGLE_CLOUD_PROJECT = 'test-project';
await disableMetrics(sandbox);
spanner = new Spanner({
servicePath: 'localhost',
port,
sslCreds: grpc.credentials.createInsecure(),
});
// Gets a reference to a Cloud Spanner instance and database
instance = spanner.instance('instance');
});
after(() => {
spanner.close();
server.tryShutdown(() => {});
delete process.env.SPANNER_EMULATOR_HOST;
sandbox.restore();
});
beforeEach(() => {
spannerMock.resetRequests();
spannerMock.removeExecutionTimes();
});
describe('basics', () => {
it('should return different database instances when the same database is requested twice with different session pool options', async () => {
const dbWithDefaultOptions = newTestDatabase();
const dbWithWriteSessions = instance.database(dbWithDefaultOptions.id!, {
fail: false,
});
assert.notStrictEqual(dbWithDefaultOptions, dbWithWriteSessions);
});
it('should execute query', async () => {
// The query to execute
const query = {
sql: selectSql,
};
const database = newTestDatabase();
try {
const [rows] = await database.run(query);
assert.strictEqual(rows.length, 3);
let i = 0;
(rows as Row[]).forEach(row => {
i++;
const [numCol, nameCol] = row;
assert.strictEqual(numCol.name, 'NUM');
assert.strictEqual(numCol.value.valueOf(), i);
assert.strictEqual(nameCol.name, 'NAME');
assert.strictEqual(nameCol.value.valueOf(), numberToEnglishWord(i));
});
} finally {
await database.close();
}
});
it('should replace {{projectId}} in resource header', async () => {
const query = {
sql: selectSql,
};
const database = newTestDatabase();
try {
await database.run(query);
spannerMock.getMetadata().forEach(metadata => {
assert.strictEqual(
metadata.get(CLOUD_RESOURCE_HEADER)[0],
`projects/test-project/instances/instance/databases/${database.id}`,
);
});
} finally {
await database.close();
}
});
it('should execute query with requestOptions', async () => {
const priority = RequestOptions.Priority.PRIORITY_HIGH;
const database = newTestDatabase();
try {
const [rows] = await database.run({
sql: selectSql,
requestOptions: {priority: priority, requestTag: 'request-tag'},
});
assert.strictEqual(rows.length, 3);
} finally {
await database.close();
}
const request = spannerMock.getRequests().find(val => {
return (val as v1.ExecuteSqlRequest).sql;
}) as v1.ExecuteSqlRequest;
assert.ok(request, 'no ExecuteSqlRequest found');
assert.ok(
request.requestOptions,
'no requestOptions found on ExecuteSqlRequest',
);
assert.strictEqual(request.requestOptions!.priority, 'PRIORITY_HIGH');
assert.strictEqual(request.requestOptions!.requestTag, 'request-tag');
});
it('should execute read with requestOptions', async () => {
const database = newTestDatabase();
const [snapshot] = await database.getSnapshot();
try {
await snapshot.read('foo', {
keySet: {all: true},
requestOptions: {
priority: Priority.PRIORITY_MEDIUM,
requestTag: 'request-tag',
},
});
} catch (e) {
assert.strictEqual((e as ServiceError).code, Status.UNKNOWN);
assert.deepStrictEqual(
(e as RequestIDError).requestID,
`1.${randIdForProcess}.1.1.3.1`,
);
} finally {
snapshot.end();
await database.close();
}
const request = spannerMock.getRequests().find(val => {
return (val as v1.ReadRequest).table === 'foo';
}) as v1.ReadRequest;
assert.ok(request, 'no ReadRequest found');
assert.ok(
request.requestOptions,
'no requestOptions found on ReadRequest',
);
assert.strictEqual(request.requestOptions!.priority, 'PRIORITY_MEDIUM');
assert.strictEqual(request.requestOptions!.requestTag, 'request-tag');
});
it('should execute batchUpdate with requestOptions', async () => {
const database = newTestDatabase();
await database.runTransactionAsync(
{requestOptions: {transactionTag: 'transaction-tag'}},
async tx => {
await tx!.batchUpdate([insertSql, insertSql], {
requestOptions: {
priority: RequestOptions.Priority.PRIORITY_MEDIUM,
requestTag: 'request-tag',
},
});
await tx!.batchUpdate([insertSql, insertSql]);
return await tx.commit();
},
);
await database.close();
const request = spannerMock.getRequests().find(val => {
return (val as v1.ExecuteBatchDmlRequest).statements;
}) as v1.ExecuteBatchDmlRequest;
assert.ok(request, 'no ExecuteBatchDmlRequest found');
assert.ok(
request.requestOptions,
'no requestOptions found on ExecuteBatchDmlRequest',
);
assert.strictEqual(request.requestOptions!.priority, 'PRIORITY_MEDIUM');
assert.strictEqual(request.requestOptions!.requestTag, 'request-tag');
assert.strictEqual(
request.requestOptions!.transactionTag,
'transaction-tag',
);
assert.ok(request.transaction?.begin, 'transaction is not empty');
const nextBatchRequest = spannerMock
.getRequests()
.reverse()
.find(val => {
return (val as v1.ExecuteBatchDmlRequest).statements;
}) as v1.ExecuteBatchDmlRequest;
assert.ok(nextBatchRequest, 'no ExecuteBatchDmlRequest found');
assert.ok(nextBatchRequest.transaction?.id, 'no transaction ID');
const commitRequest = spannerMock.getRequests().find(val => {
return (val as v1.CommitRequest).mutations;
}) as v1.CommitRequest;
assert.strictEqual(commitRequest.requestOptions!.requestTag, '');
assert.strictEqual(
commitRequest.requestOptions!.transactionTag,
'transaction-tag',
);
});
it('should use txn ID from batchUpdate if non-ok status', async () => {
const sql = "INSERT INTO TBL (NUM, NAME) VALUES (14, 'Four')";
const database = newTestDatabase();
const err = {
message: 'Not OK',
} as MockError;
spannerMock.putStatementResult(
sql,
mock.StatementResult.updateCount(1, err),
);
await database.runTransactionAsync(async tx => {
await tx!.batchUpdate([sql, insertSql]);
await tx!.batchUpdate([sql, insertSql]);
return await tx.commit();
});
await database.close();
const request = spannerMock.getRequests().find(val => {
return (val as v1.ExecuteBatchDmlRequest).statements;
}) as v1.ExecuteBatchDmlRequest;
assert.ok(request, 'no ExecuteBatchDmlRequest found');
assert.ok(request.transaction?.begin, 'transaction is not empty');
const nextBatchRequest = spannerMock
.getRequests()
.reverse()
.find(val => {
return (val as v1.ExecuteBatchDmlRequest).statements;
}) as v1.ExecuteBatchDmlRequest;
assert.ok(nextBatchRequest, 'no ExecuteBatchDmlRequest found');
assert.ok(nextBatchRequest.transaction?.id, 'no transaction ID');
});
it('should execute update with requestOptions', async () => {
const database = newTestDatabase();
await database.runTransactionAsync(
{requestOptions: {transactionTag: 'transaction-tag'}},
async tx => {
await tx!.runUpdate({
sql: insertSql,
requestOptions: {
priority: RequestOptions.Priority.PRIORITY_LOW,
requestTag: 'request-tag',
},
});
return await tx.commit();
},
);
await database.close();
const request = spannerMock.getRequests().find(val => {
return (val as v1.ExecuteSqlRequest).sql;
}) as v1.ExecuteSqlRequest;
assert.ok(request, 'no ExecuteSqlRequest found');
assert.ok(
request.requestOptions,
'no requestOptions found on ExecuteSqlRequest',
);
assert.strictEqual(request.requestOptions!.priority, 'PRIORITY_LOW');
assert.strictEqual(request.requestOptions!.requestTag, 'request-tag');
assert.ok(request.transaction!.begin!.readWrite, 'ReadWrite is not set');
assert.strictEqual(
request.requestOptions!.transactionTag,
'transaction-tag',
);
const commitRequest = spannerMock.getRequests().find(val => {
return (val as v1.CommitRequest).mutations;
}) as v1.CommitRequest;
assert.strictEqual(commitRequest.requestOptions!.requestTag, '');
assert.strictEqual(
commitRequest.requestOptions!.transactionTag,
'transaction-tag',
);
});
it('should execute read with requestOptions in a read/write transaction', async () => {
const database = newTestDatabase();
await database.runTransactionAsync(
{
readLockMode: ReadLockMode.OPTIMISTIC,
requestOptions: {transactionTag: 'transaction-tag'},
},
async tx => {
try {
return await tx.read('foo', {
keySet: {all: true},
requestOptions: {
priority: Priority.PRIORITY_LOW,
requestTag: 'request-tag',
},
});
} catch (e) {
assert.strictEqual((e as ServiceError).code, Status.UNKNOWN);
assert.deepStrictEqual(
(e as RequestIDError).requestID,
`1.${randIdForProcess}.1.1.2.1`,
);
return undefined;
} finally {
tx.end();
}
},
);
// awaiting 10ms for begin call to finish its execution
await new Promise(resolve => setTimeout(resolve, 10));
await database.close();
const request = spannerMock.getRequests().find(val => {
return (val as v1.ReadRequest).table === 'foo';
}) as v1.ReadRequest;
assert.ok(request, 'no ReadRequest found');
assert.ok(
request.requestOptions,
'no requestOptions found on ReadRequest',
);
assert.strictEqual(request.requestOptions!.priority, 'PRIORITY_LOW');
assert.strictEqual(request.requestOptions!.requestTag, 'request-tag');
assert.strictEqual(
request.requestOptions!.transactionTag,
'transaction-tag',
);
const beginTxnRequest = spannerMock.getRequests().find(val => {
return (val as v1.BeginTransactionRequest).options?.readWrite;
}) as v1.BeginTransactionRequest;
assert.strictEqual(
beginTxnRequest.options?.readWrite!.readLockMode,
'OPTIMISTIC',
);
});
it('should return an array of json objects', async () => {
const database = newTestDatabase();
try {
const [rows] = await database.run({sql: selectSql, json: true});
assert.strictEqual(rows.length, 3);
let i = 0;
(rows as Json[]).forEach(row => {
i++;
assert.strictEqual(row.NUM, i);
assert.strictEqual(row.NAME, numberToEnglishWord(i));
});
} finally {
await database.close();
}
});
it('should support all data types', async () => {
const database = newTestDatabase();
try {
const [rows] = await database.run(selectAllTypes);
assert.strictEqual(rows.length, 3);
let i = 0;
(rows as Row[]).forEach(row => {
i++;
const [
boolCol,
int64Col,
float64Col,
numericCol,
stringCol,
bytesCol,
jsonCol,
dateCol,
timestampCol,
arrayBoolCol,
arrayInt64Col,
arrayFloat64Col,
arrayNumericCol,
arrayStringCol,
arrayBytesCol,
arrayJsonCol,
arrayDateCol,
arrayTimestampCol,
] = row;
if (i === 3) {
assert.ok(boolCol.value === null);
assert.ok(int64Col.value === null);
assert.ok(float64Col.value === null);
assert.ok(numericCol.value === null);
assert.ok(stringCol.value === null);
assert.ok(bytesCol.value === null);
assert.ok(jsonCol.value === null);
assert.ok(dateCol.value === null);
assert.ok(timestampCol.value === null);
assert.ok(arrayBoolCol.value === null);
assert.ok(arrayInt64Col.value === null);
assert.ok(arrayFloat64Col.value === null);
assert.ok(arrayNumericCol.value === null);
assert.ok(arrayStringCol.value === null);
assert.ok(arrayBytesCol.value === null);
assert.ok(arrayJsonCol.value === null);
assert.ok(arrayDateCol.value === null);
assert.ok(arrayTimestampCol.value === null);
} else {
assert.strictEqual(boolCol.value, i === 1);
assert.deepStrictEqual(int64Col.value, new Int(`${i}`));
assert.deepStrictEqual(float64Col.value, new Float(3.14));
assert.deepStrictEqual(numericCol.value, new Numeric('6.626'));
assert.strictEqual(stringCol.value, numberToEnglishWord(i));
assert.deepStrictEqual(bytesCol.value, Buffer.from('test'));
assert.deepStrictEqual(jsonCol.value, {
result: true,
count: 42,
});
assert.deepStrictEqual(
dateCol.value,
new SpannerDate('2021-05-11'),
);
assert.deepStrictEqual(
timestampCol.value,
new PreciseDate('2021-05-11T16:46:04.872Z'),
);
assert.deepStrictEqual(arrayBoolCol.value, [true, false, null]);
assert.deepStrictEqual(arrayInt64Col.value, [
new Int(`${i}`),
new Int(`${i}00`),
null,
]);
assert.deepStrictEqual(arrayFloat64Col.value, [
new Float(3.14),
new Float(100.9),
null,
]);
assert.deepStrictEqual(arrayNumericCol.value, [
new Numeric('6.626'),
new Numeric('100'),
null,
]);
assert.deepStrictEqual(arrayStringCol.value, [
numberToEnglishWord(i),
'test',
null,
]);
assert.deepStrictEqual(arrayBytesCol.value, [
Buffer.from('test1'),
Buffer.from('test2'),
null,
]);
assert.deepStrictEqual(arrayJsonCol.value, [
{result: true, count: 42},
{},
null,
]);
assert.deepStrictEqual(arrayDateCol.value, [
new SpannerDate('2021-05-12'),
new SpannerDate('2000-02-29'),
null,
]);
assert.deepStrictEqual(arrayTimestampCol.value, [
new PreciseDate('2021-05-12T08:38:19.8474Z'),
new PreciseDate('2000-02-29T07:00:00Z'),
null,
]);
}
});
} finally {
await database.close();
}
});
it('should support all data types as JSON', async () => {
const database = newTestDatabase();
try {
const [rows] = await database.run({
sql: selectAllTypes,
json: true,
});
assert.strictEqual(rows.length, 3);
let i = 0;
(rows as Json[]).forEach(row => {
i++;
if (i === 3) {
assert.ok(row.COLBOOL === null);
assert.ok(row.COLINT64 === null);
assert.ok(row.COLFLOAT64 === null);
assert.ok(row.COLNUMERIC === null);
assert.ok(row.COLSTRING === null);
assert.ok(row.COLBYTES === null);
assert.ok(row.COLJSON === null);
assert.ok(row.COLDATE === null);
assert.ok(row.COLTIMESTAMP === null);
assert.ok(row.COLBOOLARRAY === null);
assert.ok(row.COLINT64ARRAY === null);
assert.ok(row.COLFLOAT64ARRAY === null);
assert.ok(row.COLNUMERICARRAY === null);
assert.ok(row.COLSTRINGARRAY === null);
assert.ok(row.COLBYTESARRAY === null);
assert.ok(row.COLJSONARRAY === null);
assert.ok(row.COLDATEARRAY === null);
assert.ok(row.COLTIMESTAMPARRAY === null);
} else {
assert.strictEqual(row.COLBOOL, i === 1);
assert.strictEqual(row.COLINT64, i);
assert.strictEqual(row.COLFLOAT64, 3.14);
assert.deepStrictEqual(row.COLNUMERIC, new Numeric('6.626'));
assert.strictEqual(row.COLSTRING, numberToEnglishWord(i));
assert.deepStrictEqual(row.COLBYTES, Buffer.from('test'));
assert.deepStrictEqual(row.COLJSON, {
result: true,
count: 42,
});
assert.deepStrictEqual(row.COLDATE, new SpannerDate('2021-05-11'));
assert.deepStrictEqual(
row.COLTIMESTAMP,
new PreciseDate('2021-05-11T16:46:04.872Z'),
);
assert.deepStrictEqual(row.COLBOOLARRAY, [true, false, null]);
assert.deepStrictEqual(row.COLINT64ARRAY, [i, 100 * i, null]);
assert.deepStrictEqual(row.COLFLOAT64ARRAY, [3.14, 100.9, null]);
assert.deepStrictEqual(row.COLNUMERICARRAY, [
new Numeric('6.626'),
new Numeric('100'),
null,
]);
assert.deepStrictEqual(row.COLSTRINGARRAY, [
numberToEnglishWord(i),
'test',
null,
]);
assert.deepStrictEqual(row.COLBYTESARRAY, [
Buffer.from('test1'),
Buffer.from('test2'),
null,
]);
assert.deepStrictEqual(row.COLJSONARRAY, [
{result: true, count: 42},
{},
null,
]);
assert.deepStrictEqual(row.COLDATEARRAY, [
new SpannerDate('2021-05-12'),
new SpannerDate('2000-02-29'),
null,
]);
assert.deepStrictEqual(row.COLTIMESTAMPARRAY, [
new PreciseDate('2021-05-12T08:38:19.8474Z'),
new PreciseDate('2000-02-29T07:00:00Z'),
null,
]);
}
});
} finally {
await database.close();
}
});
it('should receive metadata', async () => {
// The query to execute
const query = {
sql: selectSql,
};
const database = newTestDatabase();
try {
const [rows, , metadata] = await database.run(query);
assert.strictEqual(rows.length, 3);
assert.ok(metadata);
assert.strictEqual(metadata.rowType!.fields!.length, 2);
assert.strictEqual(metadata.rowType!.fields![0].name, 'NUM');
assert.strictEqual(metadata.rowType!.fields![1].name, 'NAME');
} finally {
await database.close();
}
});
it('should return result without column name in JSON', async () => {
// The query to execute
const query = {
sql: select1,
json: true,
jsonOptions: {includeNameless: true},
} as ExecuteSqlRequest;
const database = newTestDatabase();
try {
const [rows, , metadata] = await database.run(query);
assert.strictEqual(rows.length, 1);
assert.ok(metadata);
assert.strictEqual(metadata.rowType!.fields!.length, 1);
assert.strictEqual(metadata.rowType!.fields![0].name, '');
assert.strictEqual(rows[0]['_0'], 1);
} finally {
await database.close();
}
});
it('should pause on slow writer', async () => {
const largeSelect = 'select * from large_table';
spannerMock.putStatementResult(
largeSelect,
mock.StatementResult.resultSet(mock.createLargeResultSet()),
);
const database = newTestDatabase();
let rowCount = 0;
let paused = false;
try {
const rs = database.runStream({
sql: largeSelect,
});
const pipeline = util.promisify(stream.pipeline);
const simulateSlowFlushInterval = Math.floor(
NUM_ROWS_LARGE_RESULT_SET / 10,
);
await pipeline(
rs,
// Create an artificially slow transformer to simulate network latency.
new stream.Transform({
highWaterMark: 1,
objectMode: true,
transform(chunk, encoding, callback) {
rowCount++;
if (rowCount % simulateSlowFlushInterval === 0) {
// Simulate a slow flush.
setTimeout(() => {
paused = paused || rs.isPaused();
callback(undefined, chunk);
}, 50);
} else {
callback(undefined, chunk);
}
},
}),
new stream.Transform({
objectMode: true,
transform(chunk, encoding, callback) {
callback();
},
}),
);
assert.strictEqual(rowCount, NUM_ROWS_LARGE_RESULT_SET);
assert.ok(paused, 'stream should have been paused');
} finally {
await database.close();
}
});
it('should fail on slow writer when maxResumeRetries has been exceeded', async () => {
const largeSelect = 'select * from large_table';
spannerMock.putStatementResult(
largeSelect,
mock.StatementResult.resultSet(mock.createLargeResultSet()),
);
const database = newTestDatabase();
try {
const rs = database.runStream({
sql: largeSelect,
maxResumeRetries: 1,
});
const pipeline = util.promisify(stream.pipeline);
await pipeline(
rs,
// Create an artificially slow transformer to simulate network latency.
new stream.Transform({
highWaterMark: 1,
objectMode: true,
transform(chunk, encoding, callback) {
// Simulate a slow flush.
setTimeout(() => {
callback(undefined, chunk);
}, 50);
},
}),
new stream.Transform({
objectMode: true,
transform(chunk, encoding, callback) {
callback();
},
}),
);
assert.fail('missing expected error');
} catch (err) {
assert.strictEqual(
(err as ServiceError).message,
'Stream is still not ready to receive data after 1 attempts to resume.',
);
} finally {