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BatchTranslateTextWithGlossaryTests.java
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BatchTranslateTextWithGlossaryTests.java
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/*
* 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.translate;
import static com.google.common.truth.Truth.assertThat;
import static junit.framework.TestCase.assertNotNull;
import com.google.api.gax.paging.Page;
import com.google.cloud.storage.Blob;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageOptions;
import com.google.cloud.testing.junit4.MultipleAttemptsRule;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for Batch Translate Text With Glossary and Model sample. */
@RunWith(JUnit4.class)
@SuppressWarnings("checkstyle:abbreviationaswordinname")
public class BatchTranslateTextWithGlossaryTests {
private static final String PROJECT_ID = System.getenv("GOOGLE_CLOUD_PROJECT");
private static final String INPUT_URI =
"gs://cloud-samples-data/translation/text_with_glossary.txt";
private static final String GLOSSARY_ID = "DO_NOT_DELETE_TEST_GLOSSARY";
private static final String PREFIX = "BATCH_TRANSLATION_GLOSSARY_OUTPUT/";
private static final String OUTPUT_URI = String.format("gs://%s/%s", PROJECT_ID, PREFIX);
private ByteArrayOutputStream bout;
private PrintStream out;
private PrintStream originalPrintStream;
private static final void cleanUpBucket() {
Storage storage = StorageOptions.getDefaultInstance().getService();
Page<Blob> blobs =
storage.list(
PROJECT_ID,
Storage.BlobListOption.currentDirectory(),
Storage.BlobListOption.prefix(PREFIX));
deleteDirectory(storage, blobs);
}
private static void deleteDirectory(Storage storage, Page<Blob> blobs) {
for (Blob blob : blobs.iterateAll()) {
System.out.println(blob.getBlobId());
if (!blob.delete()) {
Page<Blob> subBlobs =
storage.list(
PROJECT_ID,
Storage.BlobListOption.currentDirectory(),
Storage.BlobListOption.prefix(blob.getName()));
deleteDirectory(storage, subBlobs);
}
}
}
private static void requireEnvVar(String varName) {
assertNotNull(
"Environment variable '%s' is required to perform these tests.".format(varName),
System.getenv(varName));
}
@BeforeClass
public static void checkRequirements() {
requireEnvVar("GOOGLE_APPLICATION_CREDENTIALS");
requireEnvVar("GOOGLE_CLOUD_PROJECT");
}
@Before
public void setUp() {
PrintStream temp = new PrintStream(new ByteArrayOutputStream());
System.setOut(temp);
bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
originalPrintStream = System.out;
System.setOut(out);
// clear up bucket before the use to prevent concurrency issue.
cleanUpBucket();
}
@After
public void tearDown() {
// Clean up
cleanUpBucket();
System.out.flush();
System.setOut(originalPrintStream);
}
@Rule public MultipleAttemptsRule multipleAttemptsRule = new MultipleAttemptsRule(3);
@Test
public void testBatchTranslateTextWithGlossary()
throws InterruptedException, ExecutionException, IOException, TimeoutException {
BatchTranslateTextWithGlossary.batchTranslateTextWithGlossary(
PROJECT_ID, "en", "ja", INPUT_URI, OUTPUT_URI, GLOSSARY_ID);
String got = bout.toString();
assertThat(got).contains("Total Characters: 9");
}
}