/
DmlReturningSampleIT.java
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/
DmlReturningSampleIT.java
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/*
* Copyright 2022 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.example.spanner;
import static com.example.spanner.SampleRunner.runSample;
import static org.junit.Assert.assertTrue;
import com.google.cloud.spanner.DatabaseClient;
import com.google.cloud.spanner.DatabaseId;
import com.google.cloud.spanner.KeySet;
import com.google.cloud.spanner.Mutation;
import com.google.common.collect.ImmutableList;
import java.util.Arrays;
import java.util.Collections;
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Integration tests for DML Returning samples for GoogleStandardSql dialect. */
@RunWith(JUnit4.class)
public class DmlReturningSampleIT extends SampleTestBase {
private static DatabaseId databaseId;
@BeforeClass
public static void createTestDatabase() throws Exception {
final String database = idGenerator.generateDatabaseId();
databaseAdminClient
.createDatabase(
instanceId,
database,
ImmutableList.of(
"CREATE TABLE Singers ("
+ " SingerId INT64 NOT NULL,"
+ " FirstName STRING(1024),"
+ " LastName STRING(1024),"
+ " SingerInfo BYTES(MAX),"
+ " FullName STRING(2048) AS "
+ " (ARRAY_TO_STRING([FirstName, LastName], \" \")) STORED"
+ ") PRIMARY KEY (SingerId)",
"CREATE TABLE Albums ("
+ " SingerId INT64 NOT NULL,"
+ " AlbumId INT64 NOT NULL,"
+ " AlbumTitle STRING(MAX),"
+ " MarketingBudget INT64"
+ ") PRIMARY KEY (SingerId, AlbumId),"
+ " INTERLEAVE IN PARENT Singers ON DELETE CASCADE"))
.get(10, TimeUnit.MINUTES);
databaseId = DatabaseId.of(projectId, instanceId, database);
}
@Before
public void insertTestData() {
final DatabaseClient client = spanner.getDatabaseClient(databaseId);
client.write(
Arrays.asList(
Mutation.newInsertOrUpdateBuilder("Singers")
.set("SingerId")
.to(1L)
.set("FirstName")
.to("Alice")
.set("LastName")
.to("Trentor")
.build(),
Mutation.newInsertOrUpdateBuilder("Albums")
.set("SingerId")
.to(1L)
.set("AlbumId")
.to(1L)
.set("AlbumTitle")
.to("title 1")
.set("MarketingBudget")
.to(20000L)
.build()));
}
@After
public void removeTestData() {
final DatabaseClient client = spanner.getDatabaseClient(databaseId);
client.write(Collections.singletonList(Mutation.delete("Singers", KeySet.all())));
}
@Test
public void testInsertUsingReturningSample() throws Exception {
final String out =
runSample(
() ->
InsertUsingDmlReturningSample.insertUsingDmlReturning(
projectId, instanceId, databaseId.getDatabase()));
assertTrue(out.contains("Inserted row(s) count: 4"));
assertTrue(out.contains("Melissa Garcia"));
assertTrue(out.contains("Russell Morales"));
assertTrue(out.contains("Jacqueline Long"));
assertTrue(out.contains("Dylan Shaw"));
}
@Test
public void testUpdateUsingReturningSample() throws Exception {
final String out =
runSample(
() ->
UpdateUsingDmlReturningSample.updateUsingDmlReturning(
projectId, instanceId, databaseId.getDatabase()));
assertTrue(out.contains("Updated row(s) count: 1"));
assertTrue(out.contains("40000"));
}
@Test
public void testDeleteUsingReturningSample() throws Exception {
final String out =
runSample(
() ->
DeleteUsingDmlReturningSample.deleteUsingDmlReturningSample(
projectId, instanceId, databaseId.getDatabase()));
assertTrue(out.contains("Deleted row(s) count: 1"));
assertTrue(out.contains("Alice Trentor"));
}
}