/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.beam.sdk.io.gcp.datastore;
import static org.apache.beam.sdk.io.gcp.datastore.V1TestUtil.countEntities;
import static org.apache.beam.sdk.io.gcp.datastore.V1TestUtil.deleteAllEntities;
import static org.junit.Assert.assertEquals;
import java.util.UUID;
import org.apache.beam.sdk.Pipeline;
import org.apache.beam.sdk.extensions.gcp.options.GcpOptions;
import org.apache.beam.sdk.io.GenerateSequence;
import org.apache.beam.sdk.io.gcp.datastore.V1TestUtil.CreateEntityFn;
import org.apache.beam.sdk.options.PipelineOptionsFactory;
import org.apache.beam.sdk.testing.TestPipeline;
import org.apache.beam.sdk.transforms.ParDo;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* End-to-end tests for Datastore DatastoreV1.Write.
*/
@RunWith(JUnit4.class)
public class V1WriteIT {
private V1TestOptions options;
private String project;
private String ancestor;
private final long numEntities = 1000;
@Before
public void setup() {
PipelineOptionsFactory.register(V1TestOptions.class);
options = TestPipeline.testingPipelineOptions().as(V1TestOptions.class);
project = TestPipeline.testingPipelineOptions().as(GcpOptions.class).getProject();
ancestor = UUID.randomUUID().toString();
}
/**
* An end-to-end test for {@link DatastoreV1.Write}.
*
* <p>Write some test entities to Cloud Datastore.
* Read and count all the entities. Verify that the count matches the
* number of entities written.
*/
@Test
public void testE2EV1Write() throws Exception {
Pipeline p = Pipeline.create(options);
// Write to datastore
p.apply(GenerateSequence.from(0).to(numEntities))
.apply(ParDo.of(new CreateEntityFn(options.getKind(), options.getNamespace(), ancestor, 0)))
.apply(DatastoreIO.v1().write().withProjectId(project));
p.run();
// Count number of entities written to datastore.
long numEntitiesWritten = countEntities(options, project, ancestor);
assertEquals(numEntitiesWritten, numEntities);
}
/**
* An end-to-end test for {@link DatastoreV1.Write}.
*
* <p>Write some large test entities to Cloud Datastore, to test that a batch is flushed when
* the byte size limit is reached. Read and count all the entities. Verify that the count matches
* the number of entities written.
*/
@Test
public void testE2EV1WriteWithLargeEntities() throws Exception {
Pipeline p = Pipeline.create(options);
/*
* Datastore has a limit of 1MB per entity, and 10MB per write RPC. If each entity is around
* 1MB in size, then we hit the limit on the size of the write long before we hit the limit on
* the number of entities per writes.
*/
final int rawPropertySize = 900_000;
final int numLargeEntities = 100;
// Write to datastore
p.apply(GenerateSequence.from(0).to(numLargeEntities))
.apply(ParDo.of(new CreateEntityFn(
options.getKind(), options.getNamespace(), ancestor, rawPropertySize)))
.apply(DatastoreIO.v1().write().withProjectId(project));
p.run();
// Count number of entities written to datastore.
long numEntitiesWritten = countEntities(options, project, ancestor);
assertEquals(numEntitiesWritten, numLargeEntities);
}
@After
public void tearDown() throws Exception {
deleteAllEntities(options, project, ancestor);
}
}