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feat: allow setting min/max sessions (#335)
* feat: allow setting min/max sessions * chore: run code formatter
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121 changes: 121 additions & 0 deletions
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src/test/java/com/google/cloud/spanner/jdbc/JdbcConnectionUrlTest.java
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| @@ -0,0 +1,121 @@ | ||
| /* | ||
| * Copyright 2021 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.jdbc; | ||
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|
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| import static com.google.common.truth.Truth.assertThat; | ||
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| import com.google.cloud.spanner.connection.AbstractMockServerTest; | ||
| import com.google.common.base.Predicate; | ||
| import com.google.protobuf.AbstractMessage; | ||
| import com.google.spanner.v1.BatchCreateSessionsRequest; | ||
| import java.sql.Connection; | ||
| import java.sql.SQLException; | ||
| import java.util.concurrent.Callable; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Executors; | ||
| import java.util.concurrent.Future; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.TimeoutException; | ||
| import org.junit.AfterClass; | ||
| import org.junit.Test; | ||
| import org.junit.experimental.runners.Enclosed; | ||
| import org.junit.runner.RunWith; | ||
|
|
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| @RunWith(Enclosed.class) | ||
| public class JdbcConnectionUrlTest { | ||
|
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| public static class ConnectionMinSessionsTest extends AbstractMockServerTest { | ||
| @AfterClass | ||
| public static void reset() { | ||
| mockSpanner.reset(); | ||
| } | ||
|
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| protected String getBaseUrl() { | ||
| return super.getBaseUrl() + ";minSessions=1"; | ||
| } | ||
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| @Test | ||
| public void testMinSessions() throws InterruptedException, TimeoutException, SQLException { | ||
| try (Connection connection = createJdbcConnection()) { | ||
| mockSpanner.waitForRequestsToContain( | ||
| new Predicate<AbstractMessage>() { | ||
| @Override | ||
| public boolean apply(AbstractMessage input) { | ||
| return input instanceof BatchCreateSessionsRequest | ||
| && ((BatchCreateSessionsRequest) input).getSessionCount() == 1; | ||
| } | ||
| }, | ||
| 5000L); | ||
| } | ||
| } | ||
| } | ||
|
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| public static class ConnectionMaxSessionsTest extends AbstractMockServerTest { | ||
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| @AfterClass | ||
| public static void reset() { | ||
| mockSpanner.reset(); | ||
| } | ||
|
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| protected String getBaseUrl() { | ||
| return super.getBaseUrl() + ";maxSessions=1"; | ||
| } | ||
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| @Test | ||
| public void testMaxSessions() | ||
| throws InterruptedException, TimeoutException, ExecutionException, SQLException { | ||
| ExecutorService executor1 = Executors.newSingleThreadExecutor(); | ||
| ExecutorService executor2 = Executors.newSingleThreadExecutor(); | ||
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| try (Connection connection1 = createJdbcConnection(); | ||
| Connection connection2 = createJdbcConnection()) { | ||
| final CountDownLatch latch = new CountDownLatch(1); | ||
| Future<Void> fut1 = | ||
| executor1.submit( | ||
| new Callable<Void>() { | ||
| @Override | ||
| public Void call() throws SQLException, InterruptedException { | ||
| latch.await(5L, TimeUnit.SECONDS); | ||
| connection1.createStatement().executeUpdate(INSERT_STATEMENT.getSql()); | ||
| connection1.commit(); | ||
| return null; | ||
| } | ||
| }); | ||
| Future<Void> fut2 = | ||
| executor2.submit( | ||
| new Callable<Void>() { | ||
| @Override | ||
| public Void call() throws SQLException { | ||
| latch.countDown(); | ||
| connection2.createStatement().executeUpdate(INSERT_STATEMENT.getSql()); | ||
| connection2.commit(); | ||
| return null; | ||
| } | ||
| }); | ||
| // Wait until both finishes. | ||
| fut1.get(5L, TimeUnit.SECONDS); | ||
| fut2.get(5L, TimeUnit.SECONDS); | ||
| } finally { | ||
| executor1.shutdown(); | ||
| executor2.shutdown(); | ||
| } | ||
| assertThat(mockSpanner.numSessionsCreated()).isEqualTo(1); | ||
| } | ||
| } | ||
| } |
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