fix: use setModel as rest api already support it (#330)

Author: athakor

google-cloud-translate/src/main/java/com/google/cloud/translate/spi/v2/HttpTranslateRpc.java

@@ -98,8 +98,6 @@ public List<LanguagesResource> listSupportedLanguages(Map<Option, ?> optionMap)
  @Override
  public List<TranslationsResource> translate(List<String> texts, Map<Option, ?> optionMap) {
  try {
- // TODO use POST as soon as usage of "model" correctly reports an error in non-whitelisted
- // projects
  String targetLanguage =
  firstNonNull(Option.TARGET_LANGUAGE.getString(optionMap), options.getTargetLanguage());
  final String sourceLanguage = Option.SOURCE_LANGUAGE.getString(optionMap);
@@ -109,7 +107,7 @@ public List<TranslationsResource> translate(List<String> texts, Map<Option, ?> o
  .list(texts, targetLanguage)
  .setSource(sourceLanguage)
  .setKey(options.getApiKey())
- .set("model", Option.MODEL.getString(optionMap))
+ .setModel(Option.MODEL.getString(optionMap))
  .setFormat(Option.FORMAT.getString(optionMap))
  .execute()
  .getTranslations();

google-cloud-translate/src/test/java/com/google/cloud/translate/TranslateImplTest.java

@@ -368,6 +368,19 @@ public void testTranslateListWithOptions() {
  verify();
  }
 
+ @Test
+ public void testTranslateTextListWithModel() {
+ String text = "Hallo Welt!";
+ List<String> texts = ImmutableList.of(text);
+ EasyMock.expect(
+ translateRpcMock.translate(texts, ImmutableMap.of(TranslateRpc.Option.MODEL, "nmt")))
+ .andReturn(ImmutableList.of(TRANSLATION2_PB));
+ EasyMock.replay(translateRpcMock);
+ initializeService();
+ assertEquals(ImmutableList.of(TRANSLATION2), translate.translate(texts, MODEL_OPTION));
+ verify();
+ }
+
  @Test
  public void testRetryableException() {
  EasyMock.expect(translateRpcMock.listSupportedLanguages(EMPTY_RPC_OPTIONS))