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Praful Makani
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docs(samples): add update connection (#158)
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‎samples/install-without-bom/pom.xml

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</dependency>
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<!-- [END bigqueryconnection_install_without_bom] -->
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<dependency>
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<groupId>com.google.protobuf</groupId>
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<artifactId>protobuf-java-util</artifactId>
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<version>3.13.0</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>

‎samples/snapshot/pom.xml

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</dependency>
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<!-- {x-version-update-end} -->
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<dependency>
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<groupId>com.google.protobuf</groupId>
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<artifactId>protobuf-java-util</artifactId>
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<version>3.13.0</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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</project>

‎samples/snippets/pom.xml

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<version>0.3.1</version>
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</dependency>
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<dependency>
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<groupId>com.google.protobuf</groupId>
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<artifactId>protobuf-java-util</artifactId>
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<version>3.13.0</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>

‎samples/snippets/src/main/java/com/example/bigqueryconnection/UpdateConnection.java

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/*
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* Copyright 2020 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.bigqueryconnection;
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// [START bigqueryconnection_update_connection]
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import com.google.cloud.bigquery.connection.v1.Connection;
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import com.google.cloud.bigquery.connection.v1.ConnectionName;
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import com.google.cloud.bigquery.connection.v1.UpdateConnectionRequest;
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import com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient;
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import com.google.protobuf.FieldMask;
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import com.google.protobuf.util.FieldMaskUtil;
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import java.io.IOException;
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// Sample to update connection
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public class UpdateConnection {
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public static void main(String[] args) throws IOException {
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// TODO(developer): Replace these variables before running the sample.
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String projectId = "MY_PROJECT_ID";
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String location = "MY_LOCATION";
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String connectionId = "MY_CONNECTION_ID";
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String description = "MY_DESCRIPTION";
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Connection connection = Connection.newBuilder().setDescription(description).build();
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updateConnection(projectId, location, connectionId, connection);
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}
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public static void updateConnection(
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String projectId, String location, String connectionId, Connection connection)
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throws IOException {
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try (ConnectionServiceClient client = ConnectionServiceClient.create()) {
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ConnectionName name = ConnectionName.of(projectId, location, connectionId);
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FieldMask updateMask = FieldMaskUtil.fromString("description");
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UpdateConnectionRequest request =
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UpdateConnectionRequest.newBuilder()
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.setName(name.toString())
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.setConnection(connection)
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.setUpdateMask(updateMask)
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.build();
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Connection response = client.updateConnection(request);
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System.out.println("Connection updated successfully :" + response.getDescription());
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}
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}
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}
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// [END bigqueryconnection_update_connection]

‎samples/snippets/src/test/java/com/example/bigqueryconnection/UpdateConnectionIT.java

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/*
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* Copyright 2020 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.bigqueryconnection;
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import static com.google.common.truth.Truth.assertThat;
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import static junit.framework.TestCase.assertNotNull;
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import com.google.cloud.bigquery.connection.v1.CloudSqlCredential;
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import com.google.cloud.bigquery.connection.v1.CloudSqlProperties;
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import com.google.cloud.bigquery.connection.v1.Connection;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.util.UUID;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.BeforeClass;
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import org.junit.Test;
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public class UpdateConnectionIT {
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private static final Logger LOG = Logger.getLogger(UpdateConnectionIT.class.getName());
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private static final String LOCATION = "US";
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private static final String REGION = "us-central1";
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private static final String PROJECT_ID = requireEnvVar("GOOGLE_CLOUD_PROJECT");
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private static final String MY_SQL_DATABASE = requireEnvVar("MY_SQL_DATABASE");
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private static final String MY_SQL_INSTANCE = requireEnvVar("MY_SQL_INSTANCE");
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private static final String DB_USER = requireEnvVar("DB_USER");
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private static final String DB_PWD = requireEnvVar("DB_PWD");
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private String connectionId;
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private ByteArrayOutputStream bout;
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private PrintStream out;
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private PrintStream originalPrintStream;
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private static String requireEnvVar(String varName) {
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String value = System.getenv(varName);
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assertNotNull(
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"Environment variable " + varName + " is required to perform these tests.",
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System.getenv(varName));
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return value;
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}
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@BeforeClass
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public static void checkRequirements() {
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requireEnvVar("GOOGLE_CLOUD_PROJECT");
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requireEnvVar("MY_SQL_DATABASE");
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requireEnvVar("MY_SQL_INSTANCE");
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requireEnvVar("DB_USER");
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requireEnvVar("DB_PWD");
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}
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@Before
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public void setUp() throws IOException {
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bout = new ByteArrayOutputStream();
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out = new PrintStream(bout);
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originalPrintStream = System.out;
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System.setOut(out);
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// create a temporary connection
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connectionId = "MY_CONNECTION_TEST_" + UUID.randomUUID().toString().substring(0, 8);
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String instanceId = String.format("%s:%s:%s", PROJECT_ID, REGION, MY_SQL_INSTANCE);
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CloudSqlCredential cloudSqlCredential =
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CloudSqlCredential.newBuilder().setUsername(DB_USER).setPassword(DB_PWD).build();
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CloudSqlProperties cloudSqlProperties =
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CloudSqlProperties.newBuilder()
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.setType(CloudSqlProperties.DatabaseType.MYSQL)
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.setDatabase(MY_SQL_DATABASE)
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.setInstanceId(instanceId)
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.setCredential(cloudSqlCredential)
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.build();
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Connection connection = Connection.newBuilder().setCloudSql(cloudSqlProperties).build();
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CreateConnection.createConnection(PROJECT_ID, LOCATION, connectionId, connection);
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}
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@After
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public void tearDown() throws IOException {
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// Clean up
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DeleteConnection.deleteConnection(PROJECT_ID, LOCATION, connectionId);
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// restores print statements in the original method
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System.out.flush();
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System.setOut(originalPrintStream);
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LOG.log(Level.INFO, bout.toString());
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}
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@Test
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public void testUpdateConnection() throws IOException {
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String description = "MY_DESCRIPTION";
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Connection connection = Connection.newBuilder().setDescription(description).build();
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UpdateConnection.updateConnection(PROJECT_ID, LOCATION, connectionId, connection);
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assertThat(bout.toString()).contains("Connection updated successfully :");
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}
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}

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