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

Method Summary

Modifier and Type	Method and 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(Iterable<String> statements) Creates a test database defined by statements in the test instance.
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	getUniqueDatabaseId() Returns a database id which is guaranteed to be unique within the context of this environment.

Methods inherited from class java.lang.Object

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

Constructor Detail

RemoteSpannerHelper

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

Method Detail

getOptions

public SpannerOptions getOptions()

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.

createTestDatabase

public Database createTestDatabase(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

cleanUp

public void cleanUp()

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

create

public static RemoteSpannerHelper create(InstanceId instanceId)
                                  throws Throwable

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

Throws:

Throwable

create

public static RemoteSpannerHelper create(SpannerOptions options,
                                         InstanceId instanceId)
                                  throws Throwable

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.

Throws:

Throwable