/
DatabaseClientImplTest.java
2135 lines (1999 loc) · 86.3 KB
/
DatabaseClientImplTest.java
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/*
* Copyright 2019 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 com.google.cloud.spanner;
import static com.google.cloud.spanner.MockSpannerTestUtil.READ_COLUMN_NAMES;
import static com.google.cloud.spanner.MockSpannerTestUtil.READ_ONE_KEY_VALUE_RESULTSET;
import static com.google.cloud.spanner.MockSpannerTestUtil.READ_ONE_KEY_VALUE_STATEMENT;
import static com.google.cloud.spanner.MockSpannerTestUtil.READ_TABLE_NAME;
import static com.google.cloud.spanner.MockSpannerTestUtil.SELECT1;
import static com.google.cloud.spanner.SpannerApiFutures.get;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.google.api.core.ApiFuture;
import com.google.api.core.ApiFutures;
import com.google.api.gax.grpc.testing.LocalChannelProvider;
import com.google.api.gax.retrying.RetrySettings;
import com.google.cloud.NoCredentials;
import com.google.cloud.Timestamp;
import com.google.cloud.spanner.AbstractResultSet.GrpcStreamIterator;
import com.google.cloud.spanner.AsyncResultSet.CallbackResponse;
import com.google.cloud.spanner.AsyncTransactionManager.TransactionContextFuture;
import com.google.cloud.spanner.MockSpannerServiceImpl.SimulatedExecutionTime;
import com.google.cloud.spanner.MockSpannerServiceImpl.StatementResult;
import com.google.cloud.spanner.Options.RpcPriority;
import com.google.cloud.spanner.Options.TransactionOption;
import com.google.cloud.spanner.ReadContext.QueryAnalyzeMode;
import com.google.cloud.spanner.SessionPool.PooledSessionFuture;
import com.google.cloud.spanner.SpannerOptions.SpannerCallContextTimeoutConfigurator;
import com.google.common.base.Stopwatch;
import com.google.common.collect.ImmutableList;
import com.google.common.util.concurrent.SettableFuture;
import com.google.protobuf.AbstractMessage;
import com.google.spanner.v1.CommitRequest;
import com.google.spanner.v1.ExecuteBatchDmlRequest;
import com.google.spanner.v1.ExecuteSqlRequest;
import com.google.spanner.v1.ExecuteSqlRequest.QueryMode;
import com.google.spanner.v1.ExecuteSqlRequest.QueryOptions;
import com.google.spanner.v1.ReadRequest;
import com.google.spanner.v1.RequestOptions.Priority;
import io.grpc.Context;
import io.grpc.Server;
import io.grpc.Status;
import io.grpc.StatusRuntimeException;
import io.grpc.inprocess.InProcessServerBuilder;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.threeten.bp.Duration;
@RunWith(JUnit4.class)
public class DatabaseClientImplTest {
private static final String TEST_PROJECT = "my-project";
private static final String TEST_INSTANCE = "my-instance";
private static final String TEST_DATABASE = "my-database";
private static final String INSTANCE_NAME =
String.format("projects/%s/instances/%s", TEST_PROJECT, TEST_INSTANCE);
private static final String DATABASE_NAME =
String.format(
"projects/%s/instances/%s/databases/%s", TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE);
private static MockSpannerServiceImpl mockSpanner;
private static Server server;
private static LocalChannelProvider channelProvider;
private static final Statement UPDATE_STATEMENT =
Statement.of("UPDATE FOO SET BAR=1 WHERE BAZ=2");
private static final Statement INVALID_UPDATE_STATEMENT =
Statement.of("UPDATE NON_EXISTENT_TABLE SET BAR=1 WHERE BAZ=2");
private static final long UPDATE_COUNT = 1L;
private Spanner spanner;
private Spanner spannerWithEmptySessionPool;
private static ExecutorService executor;
@BeforeClass
public static void startStaticServer() throws IOException {
mockSpanner = new MockSpannerServiceImpl();
mockSpanner.setAbortProbability(0.0D); // We don't want any unpredictable aborted transactions.
mockSpanner.putStatementResult(StatementResult.update(UPDATE_STATEMENT, UPDATE_COUNT));
mockSpanner.putStatementResult(
StatementResult.query(SELECT1, MockSpannerTestUtil.SELECT1_RESULTSET));
mockSpanner.putStatementResult(
StatementResult.query(READ_ONE_KEY_VALUE_STATEMENT, READ_ONE_KEY_VALUE_RESULTSET));
mockSpanner.putStatementResult(
StatementResult.exception(
INVALID_UPDATE_STATEMENT,
Status.INVALID_ARGUMENT.withDescription("invalid statement").asRuntimeException()));
executor = Executors.newSingleThreadExecutor();
String uniqueName = InProcessServerBuilder.generateName();
server =
InProcessServerBuilder.forName(uniqueName)
// We need to use a real executor for timeouts to occur.
.scheduledExecutorService(new ScheduledThreadPoolExecutor(1))
.addService(mockSpanner)
.build()
.start();
channelProvider = LocalChannelProvider.create(uniqueName);
}
@AfterClass
public static void stopServer() throws InterruptedException {
server.shutdown();
server.awaitTermination();
executor.shutdown();
}
@Before
public void setUp() {
spanner =
SpannerOptions.newBuilder()
.setProjectId(TEST_PROJECT)
.setChannelProvider(channelProvider)
.setCredentials(NoCredentials.getInstance())
.setSessionPoolOption(SessionPoolOptions.newBuilder().setFailOnSessionLeak().build())
.build()
.getService();
spannerWithEmptySessionPool =
spanner
.getOptions()
.toBuilder()
.setSessionPoolOption(
SessionPoolOptions.newBuilder().setMinSessions(0).setFailOnSessionLeak().build())
.build()
.getService();
}
@After
public void tearDown() {
mockSpanner.unfreeze();
spanner.close();
spannerWithEmptySessionPool.close();
mockSpanner.reset();
mockSpanner.removeAllExecutionTimes();
}
@Test
public void testWrite() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
Timestamp timestamp =
client.write(
Collections.singletonList(
Mutation.newInsertBuilder("FOO").set("ID").to(1L).set("NAME").to("Bar").build()));
assertNotNull(timestamp);
List<CommitRequest> commitRequests = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(commitRequests).hasSize(1);
CommitRequest commit = commitRequests.get(0);
assertNotNull(commit.getRequestOptions());
assertEquals(Priority.PRIORITY_UNSPECIFIED, commit.getRequestOptions().getPriority());
}
@Test
public void testWriteWithOptions() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
client.writeWithOptions(
Collections.singletonList(
Mutation.newInsertBuilder("FOO").set("ID").to(1L).set("NAME").to("Bar").build()),
Options.priority(RpcPriority.HIGH));
List<CommitRequest> commits = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(commits).hasSize(1);
CommitRequest commit = commits.get(0);
assertNotNull(commit.getRequestOptions());
assertEquals(Priority.PRIORITY_HIGH, commit.getRequestOptions().getPriority());
}
@Test
public void testWriteWithCommitStats() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
CommitResponse response =
client.writeWithOptions(
Collections.singletonList(
Mutation.newInsertBuilder("FOO").set("ID").to(1L).set("NAME").to("Bar").build()),
Options.commitStats());
assertNotNull(response);
assertNotNull(response.getCommitTimestamp());
assertNotNull(response.getCommitStats());
}
@Test
public void testWriteAtLeastOnce() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
Timestamp timestamp =
client.writeAtLeastOnce(
Collections.singletonList(
Mutation.newInsertBuilder("FOO").set("ID").to(1L).set("NAME").to("Bar").build()));
assertNotNull(timestamp);
}
@Test
public void testWriteAtLeastOnceWithCommitStats() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
CommitResponse response =
client.writeAtLeastOnceWithOptions(
Collections.singletonList(
Mutation.newInsertBuilder("FOO").set("ID").to(1L).set("NAME").to("Bar").build()),
Options.commitStats());
assertNotNull(response);
assertNotNull(response.getCommitTimestamp());
assertNotNull(response.getCommitStats());
List<CommitRequest> commitRequests = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(commitRequests).hasSize(1);
CommitRequest commit = commitRequests.get(0);
assertNotNull(commit.getSingleUseTransaction());
assertTrue(commit.getSingleUseTransaction().hasReadWrite());
assertNotNull(commit.getRequestOptions());
assertEquals(Priority.PRIORITY_UNSPECIFIED, commit.getRequestOptions().getPriority());
}
@Test
public void testWriteAtLeastOnceWithOptions() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
client.writeAtLeastOnceWithOptions(
Collections.singletonList(
Mutation.newInsertBuilder("FOO").set("ID").to(1L).set("NAME").to("Bar").build()),
Options.priority(RpcPriority.LOW));
List<CommitRequest> commitRequests = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(commitRequests).hasSize(1);
CommitRequest commit = commitRequests.get(0);
assertNotNull(commit.getSingleUseTransaction());
assertTrue(commit.getSingleUseTransaction().hasReadWrite());
assertNotNull(commit.getRequestOptions());
assertEquals(Priority.PRIORITY_LOW, commit.getRequestOptions().getPriority());
}
@Test
public void writeAtLeastOnceWithTagOptions() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
client.writeAtLeastOnceWithOptions(
Collections.singletonList(
Mutation.newInsertBuilder("FOO").set("ID").to(1L).set("NAME").to("Bar").build()),
Options.tag("app=spanner,env=test"));
List<CommitRequest> commitRequests = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(commitRequests).hasSize(1);
CommitRequest commit = commitRequests.get(0);
assertNotNull(commit.getSingleUseTransaction());
assertTrue(commit.getSingleUseTransaction().hasReadWrite());
assertNotNull(commit.getRequestOptions());
assertThat(commit.getRequestOptions().getTransactionTag()).isEqualTo("app=spanner,env=test");
assertThat(commit.getRequestOptions().getRequestTag()).isEmpty();
}
@Test
public void testExecuteQueryWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet resultSet =
client
.singleUse()
.executeQuery(SELECT1, Options.tag("app=spanner,env=test,action=query"))) {
while (resultSet.next()) {}
}
List<ExecuteSqlRequest> requests = mockSpanner.getRequestsOfType(ExecuteSqlRequest.class);
assertThat(requests).hasSize(1);
ExecuteSqlRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag())
.isEqualTo("app=spanner,env=test,action=query");
assertThat(request.getRequestOptions().getTransactionTag()).isEmpty();
}
@Test
public void testExecuteReadWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet resultSet =
client
.singleUse()
.read(
READ_TABLE_NAME,
KeySet.singleKey(Key.of(1L)),
READ_COLUMN_NAMES,
Options.tag("app=spanner,env=test,action=read"))) {
while (resultSet.next()) {}
}
List<ReadRequest> requests = mockSpanner.getRequestsOfType(ReadRequest.class);
assertThat(requests).hasSize(1);
ReadRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag())
.isEqualTo("app=spanner,env=test,action=read");
assertThat(request.getRequestOptions().getTransactionTag()).isEmpty();
}
@Test
public void testReadWriteExecuteQueryWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionRunner runner =
client.readWriteTransaction(Options.tag("app=spanner,env=test,action=txn"));
runner.run(
transaction -> {
try (ResultSet resultSet =
transaction.executeQuery(SELECT1, Options.tag("app=spanner,env=test,action=query"))) {
while (resultSet.next()) {}
}
return null;
});
List<ExecuteSqlRequest> requests = mockSpanner.getRequestsOfType(ExecuteSqlRequest.class);
assertThat(requests).hasSize(1);
ExecuteSqlRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag())
.isEqualTo("app=spanner,env=test,action=query");
assertThat(request.getRequestOptions().getTransactionTag())
.isEqualTo("app=spanner,env=test,action=txn");
}
@Test
public void testReadWriteExecuteReadWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionRunner runner =
client.readWriteTransaction(Options.tag("app=spanner,env=test,action=txn"));
runner.run(
transaction -> {
try (ResultSet resultSet =
transaction.read(
READ_TABLE_NAME,
KeySet.singleKey(Key.of(1L)),
READ_COLUMN_NAMES,
Options.tag("app=spanner,env=test,action=read"))) {
while (resultSet.next()) {}
}
return null;
});
List<ReadRequest> requests = mockSpanner.getRequestsOfType(ReadRequest.class);
assertThat(requests).hasSize(1);
ReadRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag())
.isEqualTo("app=spanner,env=test,action=read");
assertThat(request.getRequestOptions().getTransactionTag())
.isEqualTo("app=spanner,env=test,action=txn");
}
@Test
public void testExecuteUpdateWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionRunner runner = client.readWriteTransaction();
runner.run(
transaction ->
transaction.executeUpdate(
UPDATE_STATEMENT, Options.tag("app=spanner,env=test,action=update")));
List<ExecuteSqlRequest> requests = mockSpanner.getRequestsOfType(ExecuteSqlRequest.class);
assertThat(requests).hasSize(1);
ExecuteSqlRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag())
.isEqualTo("app=spanner,env=test,action=update");
assertThat(request.getRequestOptions().getTransactionTag()).isEmpty();
}
@Test
public void testBatchUpdateWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionRunner runner =
client.readWriteTransaction(Options.tag("app=spanner,env=test,action=txn"));
runner.run(
transaction ->
transaction.batchUpdate(
Collections.singletonList(UPDATE_STATEMENT),
Options.tag("app=spanner,env=test,action=batch")));
List<ExecuteBatchDmlRequest> requests =
mockSpanner.getRequestsOfType(ExecuteBatchDmlRequest.class);
assertThat(requests).hasSize(1);
ExecuteBatchDmlRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag())
.isEqualTo("app=spanner,env=test,action=batch");
assertThat(request.getRequestOptions().getTransactionTag())
.isEqualTo("app=spanner,env=test,action=txn");
}
@Test
public void testPartitionedDMLWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
client.executePartitionedUpdate(
UPDATE_STATEMENT, Options.tag("app=spanner,env=test,action=dml"));
List<ExecuteSqlRequest> requests = mockSpanner.getRequestsOfType(ExecuteSqlRequest.class);
assertThat(requests).hasSize(1);
ExecuteSqlRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag())
.isEqualTo("app=spanner,env=test,action=dml");
assertThat(request.getRequestOptions().getTransactionTag()).isEmpty();
}
@Test
public void testCommitWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionRunner runner =
client.readWriteTransaction(Options.tag("app=spanner,env=test,action=commit"));
runner.run(
transaction -> {
transaction.buffer(Mutation.delete("TEST", KeySet.all()));
return null;
});
List<CommitRequest> requests = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(requests).hasSize(1);
CommitRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag()).isEmpty();
assertThat(request.getRequestOptions().getTransactionTag())
.isEqualTo("app=spanner,env=test,action=commit");
}
@Test
public void testTransactionManagerCommitWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionManager manager =
client.transactionManager(Options.tag("app=spanner,env=test,action=manager"));
TransactionContext transaction = manager.begin();
transaction.buffer(Mutation.delete("TEST", KeySet.all()));
manager.commit();
List<CommitRequest> requests = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(requests).hasSize(1);
CommitRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag()).isEmpty();
assertThat(request.getRequestOptions().getTransactionTag())
.isEqualTo("app=spanner,env=test,action=manager");
}
@Test
public void testAsyncRunnerCommitWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
AsyncRunner runner = client.runAsync(Options.tag("app=spanner,env=test,action=runner"));
get(
runner.runAsync(
txn -> {
txn.buffer(Mutation.delete("TEST", KeySet.all()));
return ApiFutures.immediateFuture(null);
},
executor));
List<CommitRequest> requests = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(requests).hasSize(1);
CommitRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag()).isEmpty();
assertThat(request.getRequestOptions().getTransactionTag())
.isEqualTo("app=spanner,env=test,action=runner");
}
@Test
public void testAsyncTransactionManagerCommitWithTag() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (AsyncTransactionManager manager =
client.transactionManagerAsync(Options.tag("app=spanner,env=test,action=manager"))) {
TransactionContextFuture transaction = manager.beginAsync();
get(
transaction
.then(
(txn, input) -> {
txn.buffer(Mutation.delete("TEST", KeySet.all()));
return ApiFutures.immediateFuture(null);
},
executor)
.commitAsync());
}
List<CommitRequest> requests = mockSpanner.getRequestsOfType(CommitRequest.class);
assertThat(requests).hasSize(1);
CommitRequest request = requests.get(0);
assertNotNull(request.getRequestOptions());
assertThat(request.getRequestOptions().getRequestTag()).isEmpty();
assertThat(request.getRequestOptions().getTransactionTag())
.isEqualTo("app=spanner,env=test,action=manager");
}
@Test
public void singleUse() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet rs = client.singleUse().executeQuery(SELECT1)) {
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
@Test
public void singleUseIsNonBlocking() {
mockSpanner.freeze();
// Use a Spanner instance with no initial sessions in the pool to show that getting a session
// from the pool and then preparing a query is non-blocking (i.e. does not wait on a reply from
// the server).
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet rs = client.singleUse().executeQuery(SELECT1)) {
mockSpanner.unfreeze();
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
@Test
public void singleUseAsync() throws Exception {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
final AtomicInteger rowCount = new AtomicInteger();
ApiFuture<Void> res;
try (AsyncResultSet rs = client.singleUse().executeQueryAsync(SELECT1)) {
res =
rs.setCallback(
executor,
resultSet -> {
while (true) {
switch (resultSet.tryNext()) {
case OK:
rowCount.incrementAndGet();
break;
case DONE:
return CallbackResponse.DONE;
case NOT_READY:
return CallbackResponse.CONTINUE;
}
}
});
}
res.get();
assertThat(rowCount.get()).isEqualTo(1);
}
@Test
public void singleUseAsyncWithoutCallback() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
int rowCount = 0;
try (AsyncResultSet rs = client.singleUse().executeQueryAsync(SELECT1)) {
while (rs.next()) {
rowCount++;
}
}
assertThat(rowCount).isEqualTo(1);
}
@Test
public void singleUseBound() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet rs =
client
.singleUse(TimestampBound.ofExactStaleness(15L, TimeUnit.SECONDS))
.executeQuery(SELECT1)) {
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
@Test
public void singleUseBoundIsNonBlocking() {
mockSpanner.freeze();
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet rs =
client
.singleUse(TimestampBound.ofExactStaleness(15L, TimeUnit.SECONDS))
.executeQuery(SELECT1)) {
mockSpanner.unfreeze();
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
@Test
public void singleUseBoundAsync() throws Exception {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
final AtomicInteger rowCount = new AtomicInteger();
ApiFuture<Void> res;
try (AsyncResultSet rs =
client
.singleUse(TimestampBound.ofExactStaleness(15L, TimeUnit.SECONDS))
.executeQueryAsync(SELECT1)) {
res =
rs.setCallback(
executor,
resultSet -> {
while (true) {
switch (resultSet.tryNext()) {
case OK:
rowCount.incrementAndGet();
break;
case DONE:
return CallbackResponse.DONE;
case NOT_READY:
return CallbackResponse.CONTINUE;
}
}
});
}
res.get();
assertThat(rowCount.get()).isEqualTo(1);
}
@Test
public void singleUseTransaction() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet rs = client.singleUseReadOnlyTransaction().executeQuery(SELECT1)) {
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
@Test
public void singleUseTransactionIsNonBlocking() {
mockSpanner.freeze();
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet rs = client.singleUseReadOnlyTransaction().executeQuery(SELECT1)) {
mockSpanner.unfreeze();
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
@Test
public void singleUseTransactionBound() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet rs =
client
.singleUseReadOnlyTransaction(TimestampBound.ofExactStaleness(15L, TimeUnit.SECONDS))
.executeQuery(SELECT1)) {
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
@Test
public void singleUseTransactionBoundIsNonBlocking() {
mockSpanner.freeze();
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ResultSet rs =
client
.singleUseReadOnlyTransaction(TimestampBound.ofExactStaleness(15L, TimeUnit.SECONDS))
.executeQuery(SELECT1)) {
mockSpanner.unfreeze();
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
@Test
public void readOnlyTransaction() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ReadOnlyTransaction tx = client.readOnlyTransaction()) {
try (ResultSet rs = tx.executeQuery(SELECT1)) {
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
}
@Test
public void readOnlyTransactionIsNonBlocking() {
mockSpanner.freeze();
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ReadOnlyTransaction tx = client.readOnlyTransaction()) {
try (ResultSet rs = tx.executeQuery(SELECT1)) {
mockSpanner.unfreeze();
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
}
@Test
public void readOnlyTransactionBound() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ReadOnlyTransaction tx =
client.readOnlyTransaction(TimestampBound.ofExactStaleness(15L, TimeUnit.SECONDS))) {
try (ResultSet rs = tx.executeQuery(SELECT1)) {
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
}
@Test
public void readOnlyTransactionBoundIsNonBlocking() {
mockSpanner.freeze();
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (ReadOnlyTransaction tx =
client.readOnlyTransaction(TimestampBound.ofExactStaleness(15L, TimeUnit.SECONDS))) {
try (ResultSet rs = tx.executeQuery(SELECT1)) {
mockSpanner.unfreeze();
assertThat(rs.next()).isTrue();
assertThat(rs.getLong(0)).isEqualTo(1L);
assertThat(rs.next()).isFalse();
}
}
}
@Test
public void testReadWriteTransaction() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionRunner runner = client.readWriteTransaction();
runner.run(
transaction -> {
transaction.executeUpdate(UPDATE_STATEMENT);
return null;
});
assertNotNull(runner.getCommitTimestamp());
}
@Test
public void testReadWriteTransaction_returnsCommitStats() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionRunner runner = client.readWriteTransaction(Options.commitStats());
runner.run(
transaction -> {
transaction.buffer(Mutation.delete("FOO", Key.of("foo")));
return null;
});
assertNotNull(runner.getCommitResponse());
assertNotNull(runner.getCommitResponse().getCommitStats());
assertEquals(1L, runner.getCommitResponse().getCommitStats().getMutationCount());
}
@Test
public void readWriteTransactionIsNonBlocking() {
mockSpanner.freeze();
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
TransactionRunner runner = client.readWriteTransaction();
// The runner.run(...) method cannot be made non-blocking, as it returns the result of the
// transaction.
mockSpanner.unfreeze();
runner.run(
transaction -> {
transaction.executeUpdate(UPDATE_STATEMENT);
return null;
});
}
@Test
public void testRunAsync() throws Exception {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
ExecutorService executor = Executors.newSingleThreadExecutor();
AsyncRunner runner = client.runAsync();
ApiFuture<Long> result =
runner.runAsync(
txn -> ApiFutures.immediateFuture(txn.executeUpdate(UPDATE_STATEMENT)), executor);
assertEquals(UPDATE_COUNT, result.get().longValue());
assertNotNull(runner.getCommitTimestamp().get());
executor.shutdown();
}
@Test
public void testRunAsync_returnsCommitStats() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
ExecutorService executor = Executors.newSingleThreadExecutor();
AsyncRunner runner = client.runAsync(Options.commitStats());
ApiFuture<Void> result =
runner.runAsync(
txn -> {
txn.buffer(Mutation.delete("FOO", Key.of("foo")));
return ApiFutures.immediateFuture(null);
},
executor);
assertNull(get(result));
assertNotNull(get(runner.getCommitResponse()));
assertNotNull(get(runner.getCommitResponse()).getCommitStats());
assertEquals(1L, get(runner.getCommitResponse()).getCommitStats().getMutationCount());
executor.shutdown();
}
@Test
public void runAsyncIsNonBlocking() throws Exception {
mockSpanner.freeze();
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
ExecutorService executor = Executors.newSingleThreadExecutor();
AsyncRunner runner = client.runAsync();
ApiFuture<Long> fut =
runner.runAsync(
txn -> ApiFutures.immediateFuture(txn.executeUpdate(UPDATE_STATEMENT)), executor);
mockSpanner.unfreeze();
assertThat(fut.get()).isEqualTo(UPDATE_COUNT);
executor.shutdown();
}
@Test
public void runAsyncWithException() throws Exception {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
ExecutorService executor = Executors.newSingleThreadExecutor();
AsyncRunner runner = client.runAsync();
ApiFuture<Long> fut =
runner.runAsync(
txn -> ApiFutures.immediateFuture(txn.executeUpdate(INVALID_UPDATE_STATEMENT)),
executor);
try {
fut.get();
fail("missing expected exception");
} catch (ExecutionException e) {
assertThat(e.getCause()).isInstanceOf(SpannerException.class);
SpannerException se = (SpannerException) e.getCause();
assertThat(se.getErrorCode()).isEqualTo(ErrorCode.INVALID_ARGUMENT);
}
executor.shutdown();
}
@SuppressWarnings("resource")
@Test
public void testTransactionManager() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (TransactionManager manager = client.transactionManager()) {
TransactionContext transaction = manager.begin();
while (true) {
try {
transaction.executeUpdate(UPDATE_STATEMENT);
manager.commit();
assertNotNull(manager.getCommitTimestamp());
break;
} catch (AbortedException e) {
transaction = manager.resetForRetry();
}
}
}
}
@SuppressWarnings("resource")
@Test
public void testTransactionManager_returnsCommitStats() {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (TransactionManager manager = client.transactionManager(Options.commitStats())) {
TransactionContext transaction = manager.begin();
while (true) {
try {
transaction.buffer(Mutation.delete("FOO", Key.of("foo")));
manager.commit();
assertNotNull(manager.getCommitResponse());
assertNotNull(manager.getCommitResponse().getCommitStats());
assertEquals(1L, manager.getCommitResponse().getCommitStats().getMutationCount());
break;
} catch (AbortedException e) {
transaction = manager.resetForRetry();
}
}
}
}
@SuppressWarnings("resource")
@Test
public void transactionManagerIsNonBlocking() throws Exception {
mockSpanner.freeze();
DatabaseClient client =
spannerWithEmptySessionPool.getDatabaseClient(
DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
try (TransactionManager txManager = client.transactionManager()) {
mockSpanner.unfreeze();
TransactionContext transaction = txManager.begin();
while (true) {
try {
transaction.executeUpdate(UPDATE_STATEMENT);
txManager.commit();
break;
} catch (AbortedException e) {
Thread.sleep(e.getRetryDelayInMillis());
transaction = txManager.resetForRetry();
}
}
}
}
@Test
public void transactionManagerExecuteQueryAsync() throws Exception {
DatabaseClient client =
spanner.getDatabaseClient(DatabaseId.of(TEST_PROJECT, TEST_INSTANCE, TEST_DATABASE));
final AtomicInteger rowCount = new AtomicInteger();
try (TransactionManager txManager = client.transactionManager()) {
TransactionContext transaction = txManager.begin();
while (true) {
try {
try (AsyncResultSet rs = transaction.executeQueryAsync(SELECT1)) {
rs.setCallback(
executor,
resultSet -> {
try {
while (true) {
switch (resultSet.tryNext()) {
case OK:
rowCount.incrementAndGet();
break;
case DONE:
return CallbackResponse.DONE;
case NOT_READY:
return CallbackResponse.CONTINUE;
}
}
} catch (Throwable t) {
return CallbackResponse.DONE;
}
});
}
txManager.commit();
break;
} catch (AbortedException e) {
Thread.sleep(e.getRetryDelayInMillis());
transaction = txManager.resetForRetry();
}
}
}
assertThat(rowCount.get()).isEqualTo(1);