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Writing quickstart + test for Bigtable (#1431)
* Setup mvn package and copy in existing samples and tests * Fix style issues and ran tests * Writing quickstart + test for Bigtable * Updating pom with current versions * Adding default values for the system propertiesˆ * surefire instead of failsafe * setup table for testing using cbt tool, retriggering test * Removing unnecessary code from quickstart test that was causing failures * cleaning up quickstart * Changing test variables to use GOOGLE_CLOUD_PROJECT and the instance environment variable
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bigtable/src/main/java/com/m/examples/bigtable/Quickstart.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. | ||
| */ | ||
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| package com.m.examples.bigtable; | ||
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| // START [bigtable_quickstart_veneer] | ||
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| import com.google.api.gax.rpc.NotFoundException; | ||
| import com.google.cloud.bigtable.data.v2.BigtableDataClient; | ||
| import com.google.cloud.bigtable.data.v2.BigtableDataSettings; | ||
| import com.google.cloud.bigtable.data.v2.models.Row; | ||
| import com.google.cloud.bigtable.data.v2.models.RowCell; | ||
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| public class Quickstart { | ||
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| public static void quickstart(String projectId, String instanceId, String tableId) { | ||
| // String projectId = "my-project-id"; | ||
| // String instanceId = "my-instance-id"; | ||
| // String tableId = "my-table-id"; | ||
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| BigtableDataSettings settings = | ||
| BigtableDataSettings.newBuilder().setProjectId(projectId).setInstanceId(instanceId).build(); | ||
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| // Initialize client that will be used to send requests. This client only needs to be created | ||
| // once, and can be reused for multiple requests. After completing all of your requests, call | ||
| // the "close" method on the client to safely clean up any remaining background resources. | ||
| try (BigtableDataClient dataClient = BigtableDataClient.create(settings)) { | ||
| try { | ||
| System.out.println("\nReading a single row by row key"); | ||
| Row row = dataClient.readRow(tableId, "r1"); | ||
| System.out.println("Row: " + row.getKey().toStringUtf8()); | ||
| for (RowCell cell : row.getCells()) { | ||
| System.out.printf( | ||
| "Family: %s Qualifier: %s Value: %s%n", | ||
| cell.getFamily(), cell.getQualifier().toStringUtf8(), cell.getValue().toStringUtf8()); | ||
| } | ||
| } catch (NotFoundException e) { | ||
| System.err.println("Failed to read from a non-existent table: " + e.getMessage()); | ||
| } | ||
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| } catch (Exception e) { | ||
| System.out.println("Error during functionName: \n" + e.toString()); | ||
| } | ||
| } | ||
| } | ||
| // END [bigtable_quickstart_veneer] |
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82 changes: 82 additions & 0 deletions
82
bigtable/src/test/java/com/m/examples/bigtable/QuickstartTest.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. | ||
| */ | ||
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| package com.m.examples.bigtable; | ||
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| import static org.junit.Assert.assertNotNull; | ||
| import static org.junit.Assert.assertThat; | ||
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| import com.google.cloud.bigtable.admin.v2.BigtableTableAdminClient; | ||
| import com.google.cloud.bigtable.admin.v2.BigtableTableAdminSettings; | ||
| import com.google.cloud.bigtable.data.v2.BigtableDataClient; | ||
| import com.google.cloud.bigtable.data.v2.BigtableDataSettings; | ||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.PrintStream; | ||
| import org.hamcrest.CoreMatchers; | ||
| import org.junit.After; | ||
| import org.junit.AfterClass; | ||
| import org.junit.AssumptionViolatedException; | ||
| import org.junit.Before; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
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| /** | ||
| * Integration tests for {@link Quickstart} | ||
| */ | ||
| public class QuickstartTest { | ||
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| private static final String INSTANCE_PROPERTY_NAME = "BIGTABLE_TESTING_INSTANCE"; | ||
| private static final String TABLE_ID = "quickstart-table"; | ||
| private static String projectId; | ||
| private static String instanceId; | ||
| private ByteArrayOutputStream bout; | ||
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| private static String requireEnv(String varName) { | ||
| assertNotNull( | ||
| System.getenv(varName), | ||
| "System property '%s' is required to perform these tests.".format(varName)); | ||
| return System.getenv(varName); | ||
| } | ||
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| @BeforeClass | ||
| public static void beforeClass() { | ||
| projectId = requireEnv("GOOGLE_CLOUD_PROJECT"); | ||
| instanceId = requireEnv(INSTANCE_PROPERTY_NAME); | ||
| } | ||
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| @Before | ||
| public void setupStream() { | ||
| bout = new ByteArrayOutputStream(); | ||
| System.setOut(new PrintStream(bout)); | ||
| } | ||
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| @Test | ||
| public void testQuickstart() { | ||
| try { | ||
| Quickstart.quickstart(projectId, instanceId, TABLE_ID); | ||
| } catch (Exception e) { | ||
| System.out.println("Failed to run quickstart."); | ||
| System.out.println(e); | ||
| } | ||
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| String output = bout.toString(); | ||
| assertThat(output, CoreMatchers.containsString("Reading a single row by row key")); | ||
| assertThat(output, CoreMatchers.containsString("Row: r1")); | ||
| assertThat( | ||
| output, CoreMatchers.containsString("Family: cf1 Qualifier: c1 Value: quickstart")); | ||
| } | ||
| } |
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