[test] Cloud Speech-to-Text V1 parameters

tests/recognizers/test_google_cloud.py

@@ -148,3 +148,44 @@ def test_transcribe_show_all(SpeechClient, monkeypatch):
         ),
         audio=RecognitionAudio(content=b"flac_data"),
     )
+
+
+@patch("google.cloud.speech.SpeechClient")
+def test_transcribe_with_specified_api_parameters(SpeechClient, monkeypatch):
+    monkeypatch.setenv(
+        "GOOGLE_APPLICATION_CREDENTIALS", "path/to/credentials.json"
+    )
+
+    client = SpeechClient.return_value
+    client.recognize.return_value = RecognizeResponse(
+        results=[
+            SpeechRecognitionResult(
+                alternatives=[
+                    SpeechRecognitionAlternative(
+                        transcript="こんにちは", confidence=0.99
+                    )
+                ]
+            )
+        ]
+    )
+
+    audio_data = MagicMock(spec=AudioData)
+    audio_data.sample_rate = 16_000
+    audio_data.get_flac_data.return_value = b"flac_data"
+
+    _ = recognize(
+        MagicMock(spec=Recognizer),
+        audio_data,
+        language="ja-JP",
+        use_enhanced=True,
+    )
+
+    client.recognize.assert_called_once_with(
+        config=RecognitionConfig(
+            encoding=RecognitionConfig.AudioEncoding.FLAC,
+            sample_rate_hertz=16_000,
+            language_code="ja-JP",
+            use_enhanced=True,
+        ),
+        audio=RecognitionAudio(content=b"flac_data"),
+    )