[translation] add continuation token tests

sdk/translation/azure-ai-translation-document/tests/preparer.py

@@ -39,6 +39,9 @@ def create_resource(self, name, **kwargs):
         # set polling interval to 0 for recorded tests
         if not self.is_live:
             self.client_kwargs["polling_interval"] = 0
+        else:
+            # default is 30s, but our tests translate very small docs so this helps speed up live testing
+            self.client_kwargs["polling_interval"] = 5
 
         client = self.client_cls(
             doctranslation_test_endpoint,

sdk/translation/azure-ai-translation-document/tests/test_translation.py

@@ -423,3 +423,20 @@ def test_overloaded_bad_input(self, client):
 
         with pytest.raises(ValueError):
             client.begin_translation(inputs="container")
+
+    @pytest.mark.live_test_only
+    @DocumentTranslationPreparer()
+    @DocumentTranslationClientPreparer()
+    def test_translation_continuation_token(self, client):
+        source_container_sas_url = self.create_source_container(data=Document(data=b'hello world'))
+        target_container_sas_url = self.create_target_container()
+
+        initial_poller = client.begin_translation(source_container_sas_url, target_container_sas_url, "es")
+        cont_token = initial_poller.continuation_token()
+
+        poller = client.begin_translation(None, continuation_token=cont_token)
+        result = poller.result()
+        self._validate_translation_metadata(poller, status="Succeeded", total=1, succeeded=1)
+        for doc in result:
+            self._validate_doc_status(doc, target_language="es")
+        initial_poller.wait()  # necessary so azure-devtools doesn't throw assertion error

sdk/translation/azure-ai-translation-document/tests/test_translation_async.py

@@ -425,3 +425,20 @@ async def test_overloaded_bad_input(self, client):
 
         with pytest.raises(ValueError):
             await client.begin_translation(inputs="container")
+
+    @pytest.mark.live_test_only
+    @DocumentTranslationPreparer()
+    @DocumentTranslationClientPreparer()
+    async def test_translation_continuation_token(self, client):
+        source_container_sas_url = self.create_source_container(data=Document(data=b'hello world'))
+        target_container_sas_url = self.create_target_container()
+
+        initial_poller = await client.begin_translation(source_container_sas_url, target_container_sas_url, "es")
+        cont_token = initial_poller.continuation_token()
+
+        poller = await client.begin_translation(None, continuation_token=cont_token)
+        result = await poller.result()
+        self._validate_translation_metadata(poller, status="Succeeded", total=1, succeeded=1)
+        async for doc in result:
+            self._validate_doc_status(doc, target_language="es")
+        await initial_poller.wait()  # necessary so azure-devtools doesn't throw assertion error