diff --git a/samples/snippets/src/main/java/com/example/bigqueryconnection/QuickstartSample.java b/samples/snippets/src/main/java/com/example/bigqueryconnection/QuickstartSample.java new file mode 100644 index 00000000..de779014 --- /dev/null +++ b/samples/snippets/src/main/java/com/example/bigqueryconnection/QuickstartSample.java @@ -0,0 +1,55 @@ +/* + * Copyright 2020 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.bigqueryconnection; + +// [START bigqueryconnection_quickstart] +import com.google.cloud.bigquery.connection.v1.ListConnectionsRequest; +import com.google.cloud.bigquery.connection.v1.LocationName; +import com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient; +import java.io.IOException; + +// Sample to demonstrates basic usage of the BigQuery connection API. +public class QuickstartSample { + + public static void main(String[] args) throws IOException { + // TODO(developer): Replace these variables before running the sample. + String projectId = "MY_PROJECT_ID"; + String location = "MY_LOCATION"; + listConnections(projectId, location); + } + + public static void listConnections(String projectId, String location) throws IOException { + try (ConnectionServiceClient connectionServiceClient = ConnectionServiceClient.create()) { + LocationName parent = LocationName.of(projectId, location); + int pageSize = 10; + ListConnectionsRequest request = + ListConnectionsRequest.newBuilder() + .setParent(parent.toString()) + .setPageSize(pageSize) + .build(); + ConnectionServiceClient.ListConnectionsPagedResponse response = + connectionServiceClient.listConnections(request); + + // Print the results. + System.out.println("List of connections:"); + response + .iterateAll() + .forEach(connection -> System.out.println("Connection Name: " + connection.getName())); + } + } +} +// [END bigqueryconnection_quickstart] diff --git a/samples/snippets/src/test/java/com/example/bigqueryconnection/QuickstartSampleIT.java b/samples/snippets/src/test/java/com/example/bigqueryconnection/QuickstartSampleIT.java new file mode 100644 index 00000000..4f66d89c --- /dev/null +++ b/samples/snippets/src/test/java/com/example/bigqueryconnection/QuickstartSampleIT.java @@ -0,0 +1,75 @@ +/* + * Copyright 2020 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.bigqueryconnection; + +import static com.google.common.truth.Truth.assertThat; +import static junit.framework.TestCase.assertNotNull; + +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.PrintStream; +import java.util.logging.Level; +import java.util.logging.Logger; +import org.junit.After; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +public class QuickstartSampleIT { + + private static final Logger LOG = Logger.getLogger(QuickstartSampleIT.class.getName()); + private static final String PROJECT_ID = System.getenv("GOOGLE_CLOUD_PROJECT"); + + private ByteArrayOutputStream bout; + private PrintStream out; + private PrintStream originalPrintStream; + + private static String requireEnvVar(String varName) { + String value = System.getenv(varName); + assertNotNull( + "Environment variable " + varName + " is required to perform these tests.", + System.getenv(varName)); + return value; + } + + @BeforeClass + public static void checkRequirements() { + requireEnvVar("GOOGLE_CLOUD_PROJECT"); + } + + @Before + public void setUp() { + bout = new ByteArrayOutputStream(); + out = new PrintStream(bout); + originalPrintStream = System.out; + System.setOut(out); + } + + @After + public void tearDown() { + // restores print statements in the original method + System.out.flush(); + System.setOut(originalPrintStream); + LOG.log(Level.INFO, bout.toString()); + } + + @Test + public void testQuickstart() throws IOException { + QuickstartSample.listConnections(PROJECT_ID, "US"); + assertThat(bout.toString()).contains("List of connections:"); + } +}