test:TTS

tests/tts/test_google_tts.py

@@ -0,0 +1,24 @@
+import base64
+
+from application.tts.google_tts import GoogleTTS
+
+
+def test_google_tts_text_to_speech(monkeypatch):
+    captured = {}
+
+    class DummyGTTS:
+        def __init__(self, *, text, lang, slow):
+            captured["args"] = {"text": text, "lang": lang, "slow": slow}
+
+        def write_to_fp(self, fp):
+            fp.write(b"synthetic-audio")
+
+    monkeypatch.setattr("application.tts.google_tts.gTTS", DummyGTTS)
+
+    tts = GoogleTTS()
+    audio_base64, lang = tts.text_to_speech("hello world")
+
+    assert captured["args"] == {"text": "hello world", "lang": "en", "slow": False}
+    assert lang == "en"
+    assert base64.b64decode(audio_base64.encode()) == b"synthetic-audio"
+