Package com.google.cloud.spanner.testing

Class RemoteSpannerHelper

java.lang.Object

com.google.cloud.spanner.testing.RemoteSpannerHelper

public class RemoteSpannerHelper
extends Object

Utility that provides access to a Cloud Spanner instance to use for tests, and allows uniquely named test databases to be created within that instance.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RemoteSpannerHelper(SpannerOptions options, InstanceId instanceId, Spanner client)

Method Summary

Modifier and Type	Method	Description
void	cleanUp()	Deletes all the databases created via createTestDatabase.
static RemoteSpannerHelper	create(InstanceId instanceId)	Creates a RemoteSpannerHelper bound to the given instance ID.
static RemoteSpannerHelper	create(SpannerOptions options, InstanceId instanceId)	Creates a RemoteSpannerHelper for the given option and bound to the given instance ID.
Database	createTestDatabase(Dialect dialect, Iterable<String> statements)	Creates a test database defined by statements in the test instance.
Database	createTestDatabase(Iterable<String> statements)
Database	createTestDatabase(String... statements)	Creates a test database defined by statements.
BatchClient	getBatchClient(Database db)
Spanner	getClient()
DatabaseClient	getDatabaseClient(Database db)
InstanceId	getInstanceId()
SpannerOptions	getOptions()
String	getUniqueBackupId()	Returns a backup id which is guaranteed to be unique within the context of this environment.
String	getUniqueDatabaseId()	Returns a database id which is guaranteed to be unique within the context of this environment.
String	getUniqueDatabaseRole()	Returns a database role name which is guaranteed to be unique within the context of this environment.
boolean	isEmulator()	Deprecated. use EmulatorSpannerHelper.isUsingEmulator() instead.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

RemoteSpannerHelper

protected RemoteSpannerHelper(SpannerOptions options,
 InstanceId instanceId,
 Spanner client)

Method Details

getOptions

public SpannerOptions getOptions()

isEmulator

@Deprecated
public boolean isEmulator()

Deprecated.

use EmulatorSpannerHelper.isUsingEmulator() instead.

Checks whether the emulator is being used.

Returns:

true if the emulator is being used. Returns false otherwise.

getClient

public Spanner getClient()

getDatabaseClient

public DatabaseClient getDatabaseClient(Database db)

getBatchClient

public BatchClient getBatchClient(Database db)

getInstanceId

public InstanceId getInstanceId()

createTestDatabase

public Database createTestDatabase(String... statements)
                            throws SpannerException

Creates a test database defined by statements. A CREATE DATABASE ... statement should not be included; an appropriate name will be chosen and the statement generated accordingly.

Throws:

SpannerException

getUniqueDatabaseId

public String getUniqueDatabaseId()

Returns a database id which is guaranteed to be unique within the context of this environment.

getUniqueDatabaseRole

public String getUniqueDatabaseRole()

Returns a database role name which is guaranteed to be unique within the context of this environment.

getUniqueBackupId

public String getUniqueBackupId()

Returns a backup id which is guaranteed to be unique within the context of this environment.

createTestDatabase

public Database createTestDatabase(Dialect dialect,
 Iterable<String> statements)
                            throws SpannerException

Creates a test database defined by statements in the test instance. A CREATE DATABASE ... statement should not be included; an appropriate name will be chosen and the statement generated accordingly.

Throws:

SpannerException

createTestDatabase

public Database createTestDatabase(Iterable<String> statements)
                            throws SpannerException

Throws:

SpannerException

cleanUp

public void cleanUp()

Deletes all the databases created via createTestDatabase. Shuts down the client.

create

public static RemoteSpannerHelper create(InstanceId instanceId)

Creates a RemoteSpannerHelper bound to the given instance ID. All databases created using this will be created in the given instance.

create

public static RemoteSpannerHelper create(SpannerOptions options,
 InstanceId instanceId)

Creates a RemoteSpannerHelper for the given option and bound to the given instance ID. All databases created using this will be created in the given instance.