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DeletesTest.java
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DeletesTest.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.bigtable.deletes;
import com.example.bigtable.MobileTimeSeriesBaseTest;
import com.google.api.gax.rpc.ServerStream;
import com.google.cloud.bigtable.admin.v2.BigtableTableAdminClient;
import com.google.cloud.bigtable.data.v2.BigtableDataClient;
import com.google.cloud.bigtable.data.v2.models.Query;
import com.google.cloud.bigtable.data.v2.models.Row;
import com.google.cloud.bigtable.data.v2.models.RowCell;
import com.google.common.truth.Truth;
import java.io.IOException;
import java.util.List;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;
/*
* These tests are order dependent because they delete rows and cells from a table.
* They are prefixed with `testN_` to signal the order in which they should run.
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class DeletesTest extends MobileTimeSeriesBaseTest {
public static BigtableDataClient bigtableDataClient;
@BeforeClass
public static void beforeClass() throws IOException {
initializeVariables();
createTable();
writeStatsData();
writePlanData();
bigtableDataClient = BigtableDataClient.create(projectId, instanceId);
}
@AfterClass
public static void afterClass() throws IOException {
cleanupTable();
}
@Test
public void test1_testDeleteFromColumn() throws IOException {
String rowKey = "phone#4c410523#20190501";
Row row = bigtableDataClient.readRow(TABLE_ID, rowKey);
String qualifier = "data_plan_01gb";
List<RowCell> cells = row.getCells(COLUMN_FAMILY_NAME_PLAN, qualifier);
Truth.assertThat(cells).isNotEmpty();
DeleteFromColumnExample deleteFromColumnExample = new DeleteFromColumnExample();
deleteFromColumnExample.deleteFromColumnCells(projectId, instanceId, TABLE_ID);
row = bigtableDataClient.readRow(TABLE_ID, rowKey);
List<RowCell> cellsAfterDelete = row.getCells(COLUMN_FAMILY_NAME_PLAN, qualifier);
Truth.assertThat(cellsAfterDelete).isEmpty();
}
@Test
public void test2_testDeleteFromRow() throws IOException {
String rowKey = "phone#4c410523#20190501";
Row row = bigtableDataClient.readRow(TABLE_ID, rowKey);
Truth.assertThat(row).isNotNull();
DeleteFromRowExample deleteFromRowExample = new DeleteFromRowExample();
deleteFromRowExample.deleteFromRow(projectId, instanceId, TABLE_ID);
row = bigtableDataClient.readRow(TABLE_ID, rowKey);
Truth.assertThat(row).isNull();
}
@Test
public void test3_testStreamingAndBatching() throws IOException, InterruptedException {
String rowKey = "phone#4c410523#20190502";
Row row = bigtableDataClient.readRow(TABLE_ID, rowKey);
String qualifier = "data_plan_05gb";
List<RowCell> cells = row.getCells(COLUMN_FAMILY_NAME_PLAN, qualifier);
Truth.assertThat(cells).isNotEmpty();
BatchDeleteExample batchDeleteExample = new BatchDeleteExample();
batchDeleteExample.batchDelete(projectId, instanceId, TABLE_ID);
row = bigtableDataClient.readRow(TABLE_ID, rowKey);
List<RowCell> cellsAfterDelete = row.getCells(COLUMN_FAMILY_NAME_PLAN, qualifier);
Truth.assertThat(cellsAfterDelete).isEmpty();
}
@Test
public void test4_testCheckAndMutate() throws IOException {
String rowKey = "phone#4c410523#20190502";
Row row = bigtableDataClient.readRow(TABLE_ID, rowKey);
String qualifier = "os_build";
List<RowCell> cells = row.getCells(COLUMN_FAMILY_NAME_STATS, qualifier);
Truth.assertThat(cells).isNotEmpty();
ConditionalDeleteExample conditionalDeleteExample = new ConditionalDeleteExample();
conditionalDeleteExample.conditionalDelete(projectId, instanceId, TABLE_ID);
row = bigtableDataClient.readRow(TABLE_ID, rowKey);
List<RowCell> cellsAfterDelete = row.getCells(COLUMN_FAMILY_NAME_STATS, qualifier);
Truth.assertThat(cellsAfterDelete).isEmpty();
}
@Test
public void test5_testDropRowRange() throws IOException {
String rowPrefix = "phone#4c410523";
Query query = Query.create(TABLE_ID).prefix(rowPrefix);
ServerStream<Row> rows = bigtableDataClient.readRows(query);
int rowCount = 0;
for (Row ignored : rows) {
rowCount++;
}
Truth.assertThat(rowCount).isGreaterThan(1);
DropRowRangeExample dropRowRangeExample = new DropRowRangeExample();
dropRowRangeExample.dropRowRange(projectId, instanceId, TABLE_ID);
rows = bigtableDataClient.readRows(query);
rowCount = 0;
for (Row ignored : rows) {
rowCount++;
}
Truth.assertThat(rowCount).isEqualTo(0);
}
@Test
public void test6_testDeleteFromColumnFamily() throws IOException {
String rowKey = "phone#5c10102#20190501";
Row row = bigtableDataClient.readRow(TABLE_ID, rowKey);
List<RowCell> cells = row.getCells(COLUMN_FAMILY_NAME_STATS);
Truth.assertThat(cells).isNotEmpty();
DeleteFromColumnFamilyExample deleteFromColumnFamilyExample =
new DeleteFromColumnFamilyExample();
deleteFromColumnFamilyExample.deleteFromColumnFamily(projectId, instanceId, TABLE_ID);
row = bigtableDataClient.readRow(TABLE_ID, rowKey);
List<RowCell> cellsAfterDelete = row.getCells(COLUMN_FAMILY_NAME_STATS);
Truth.assertThat(cellsAfterDelete).isEmpty();
}
@Test
public void test7_testDeleteColumnFamily() throws IOException {
try (BigtableTableAdminClient tableAdminClient =
BigtableTableAdminClient.create(projectId, instanceId)) {
Truth.assertThat(tableAdminClient.getTable(TABLE_ID).getColumnFamilies().size()).isEqualTo(2);
DeleteColumnFamilyExample deleteColumnFamilyExample = new DeleteColumnFamilyExample();
deleteColumnFamilyExample.deleteColumnFamily(
projectId, instanceId, TABLE_ID, COLUMN_FAMILY_NAME_STATS);
Truth.assertThat(tableAdminClient.getTable(TABLE_ID).getColumnFamilies().size()).isEqualTo(1);
}
}
@Test
public void test8_testDeleteTable() throws IOException {
try (BigtableTableAdminClient tableAdminClient =
BigtableTableAdminClient.create(projectId, instanceId)) {
Truth.assertThat(tableAdminClient.exists(TABLE_ID)).isTrue();
DeleteTableExample deleteTableExample = new DeleteTableExample();
deleteTableExample.deleteTable(projectId, instanceId, TABLE_ID);
Truth.assertThat(tableAdminClient.exists(TABLE_ID)).isFalse();
}
}
}