test: re-add system tests (#49)

tests/system/v1/test_system_tts_v1.py

@@ -0,0 +1,40 @@
+# Copyright 2019 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
+#
+#     https://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.
+
+from google.cloud import texttospeech_v1
+
+
+class TestSystemSpeech(object):
+    def test_synthesize_speech(self):
+        client = texttospeech_v1.TextToSpeechClient()
+
+        synthesis_input = texttospeech_v1.SynthesisInput(text="Hello, World!")
+        voice = texttospeech_v1.VoiceSelectionParams(
+            language_code="en-US", ssml_gender=texttospeech_v1.SsmlVoiceGender.NEUTRAL
+        )
+        audio_config = texttospeech_v1.AudioConfig(
+            audio_encoding=texttospeech_v1.AudioEncoding.MP3
+        )
+
+        response = client.synthesize_speech(
+            input=synthesis_input, voice=voice, audio_config=audio_config
+        )
+
+        assert response.audio_content is not None
+
+    def test_list_voices(self):
+        client = texttospeech_v1.TextToSpeechClient()
+
+        voices = client.list_voices()
+        assert len(voices.voices) > 0

tests/system/v1beta1/test_system_tts_v1beta1.py

@@ -0,0 +1,41 @@
+# Copyright 2019 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
+#
+#     https://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.
+
+from google.cloud import texttospeech_v1beta1
+
+
+class TestSystemSpeech(object):
+    def test_synthesize_speech(self):
+        client = texttospeech_v1beta1.TextToSpeechClient()
+
+        synthesis_input = texttospeech_v1beta1.SynthesisInput(text="Hello, World!")
+        voice = texttospeech_v1beta1.VoiceSelectionParams(
+            language_code="en-US",
+            ssml_gender=texttospeech_v1beta1.SsmlVoiceGender.NEUTRAL,
+        )
+        audio_config = texttospeech_v1beta1.AudioConfig(
+            audio_encoding=texttospeech_v1beta1.AudioEncoding.MP3
+        )
+
+        response = client.synthesize_speech(
+            input=synthesis_input, voice=voice, audio_config=audio_config
+        )
+
+        assert response.audio_content is not None
+
+    def test_list_voices(self):
+        client = texttospeech_v1beta1.TextToSpeechClient()
+
+        voices = client.list_voices()
+        assert len(voices.voices) > 0