samples: translate: use unique gcs folders for batch translate tests (#2053)

* translate: use unique gcs folders for batch translate tests

* update based on feedback

* fix typo

Author: nnegrey

translate/snippets/src/test/java/com/example/translate/BatchTranslateTextTests.java

@@ -27,6 +27,7 @@
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
+import java.util.UUID;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeoutException;
 
@@ -43,6 +44,9 @@
 public class BatchTranslateTextTests {
   private static final String PROJECT_ID = System.getenv("GOOGLE_CLOUD_PROJECT");
   private static final String INPUT_URI = "gs://cloud-samples-data/translation/text.txt";
+  private static final String PREFIX = "BATCH_TRANSLATION_OUTPUT/";
+  private static final String OUTPUT_URI =
+          String.format("gs://%s/%s%s/", PROJECT_ID, PREFIX, UUID.randomUUID());
 
   private ByteArrayOutputStream bout;
   private PrintStream out;
@@ -53,7 +57,7 @@ private static void cleanUpBucket() {
         storage.list(
             PROJECT_ID,
             Storage.BlobListOption.currentDirectory(),
-            Storage.BlobListOption.prefix("BATCH_TRANSLATION_OUTPUT/"));
+            Storage.BlobListOption.prefix(PREFIX));
 
     deleteDirectory(storage, blobs);
   }
@@ -102,7 +106,7 @@ public void tearDown() {
   public void testBatchTranslateText()
       throws InterruptedException, ExecutionException, IOException, TimeoutException {
     BatchTranslateText.batchTranslateText(
-        PROJECT_ID, "en", "es", INPUT_URI, "gs://" + PROJECT_ID + "/BATCH_TRANSLATION_OUTPUT/");
+        PROJECT_ID, "en", "es", INPUT_URI, OUTPUT_URI);
     String got = bout.toString();
     assertThat(got).contains("Total Characters: 13");
   }

translate/snippets/src/test/java/com/example/translate/BatchTranslateTextWithGlossaryAndModelTests.java

@@ -64,6 +64,9 @@ public class BatchTranslateTextWithGlossaryAndModelTests {
   private static final String MODEL_ID = "TRL2188848820815848149";
   private static final String GLOSSARY_INPUT_URI =
       "gs://cloud-samples-data/translation/glossary_ja.csv";
+  private static final String PREFIX = "BATCH_TRANSLATION_OUTPUT/";
+  private static final String OUTPUT_URI =
+          String.format("gs://%s/%s%s/", PROJECT_ID, PREFIX, UUID.randomUUID());
 
   private ByteArrayOutputStream bout;
   private PrintStream out;
@@ -74,7 +77,7 @@ private static final void cleanUpBucket() {
         storage.list(
             PROJECT_ID,
             Storage.BlobListOption.currentDirectory(),
-            Storage.BlobListOption.prefix("BATCH_TRANSLATION_OUTPUT/"));
+            Storage.BlobListOption.prefix(PREFIX));
 
     deleteDirectory(storage, blobs);
   }
@@ -137,7 +140,7 @@ public void testBatchTranslateTextWithGlossaryAndModel()
         "en",
         "ja",
         INPUT_URI,
-        "gs://" + PROJECT_ID + "/BATCH_TRANSLATION_OUTPUT/",
+        OUTPUT_URI,
         GLOSSARY_ID,
         MODEL_ID);
     String got = bout.toString();

translate/snippets/src/test/java/com/example/translate/BatchTranslateTextWithGlossaryTests.java

@@ -63,6 +63,9 @@ public class BatchTranslateTextWithGlossaryTests {
       "gs://cloud-samples-data/translation/glossary_ja.csv";
   private static final String GLOSSARY_ID =
       String.format("test_%s", UUID.randomUUID().toString().replace("-", "_").substring(0, 26));
+  private static final String PREFIX = "BATCH_TRANSLATION_OUTPUT/";
+  private static final String OUTPUT_URI =
+          String.format("gs://%s/%s%s/", PROJECT_ID, PREFIX, UUID.randomUUID());
 
   private ByteArrayOutputStream bout;
   private PrintStream out;
@@ -73,7 +76,7 @@ private static final void cleanUpBucket() {
         storage.list(
             PROJECT_ID,
             Storage.BlobListOption.currentDirectory(),
-            Storage.BlobListOption.prefix("BATCH_TRANSLATION_OUTPUT/"));
+            Storage.BlobListOption.prefix(PREFIX));
 
     deleteDirectory(storage, blobs);
   }
@@ -137,7 +140,7 @@ public void testBatchTranslateTextWithGlossary()
         "en",
         "ja",
         INPUT_URI,
-        "gs://" + PROJECT_ID + "/BATCH_TRANSLATION_OUTPUT/",
+        OUTPUT_URI,
         GLOSSARY_ID);
     String got = bout.toString();
     assertThat(got).contains("Total Characters: 9");

translate/snippets/src/test/java/com/example/translate/BatchTranslateTextWithModelTests.java

@@ -27,6 +27,7 @@
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
+import java.util.UUID;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeoutException;
 
@@ -45,6 +46,9 @@ public class BatchTranslateTextWithModelTests {
   private static final String INPUT_URI =
       "gs://cloud-samples-data/translation/custom_model_text.txt";
   private static final String MODEL_ID = "TRL2188848820815848149";
+  private static final String PREFIX = "BATCH_TRANSLATION_OUTPUT/";
+  private static final String OUTPUT_URI =
+          String.format("gs://%s/%s%s/", PROJECT_ID, PREFIX, UUID.randomUUID());
 
   private ByteArrayOutputStream bout;
   private PrintStream out;
@@ -55,7 +59,7 @@ private static final void cleanUpBucket() {
         storage.list(
             PROJECT_ID,
             Storage.BlobListOption.currentDirectory(),
-            Storage.BlobListOption.prefix("BATCH_TRANSLATION_OUTPUT/"));
+            Storage.BlobListOption.prefix(PREFIX));
 
     deleteDirectory(storage, blobs);
   }
@@ -108,7 +112,7 @@ public void testBatchTranslateTextWithModel()
         "en",
         "ja",
         INPUT_URI,
-        "gs://" + PROJECT_ID + "/BATCH_TRANSLATION_OUTPUT/",
+        OUTPUT_URI,
         MODEL_ID);
     String got = bout.toString();
     assertThat(got).contains("Total Characters: 15");