test: scaffold audio testing

Wav file is CC0 public domain, per source:
https://upload.wikimedia.org/wikipedia/commons/9/9d/French_Hello%2C_how_are_you.wav

Author: teamdandelion

python/mirascope/llm/clients/anthropic/_utils/encode.py

@@ -108,7 +108,7 @@ def _encode_content(
                     )
                 )
         else:
-            raise NotImplementedError(f"Content type {part.type} not supported")
+            raise NotImplementedError(f"Unsupported content type: {part.type}")
 
     return blocks
 

python/mirascope/llm/clients/google/_utils/encode.py

@@ -99,9 +99,7 @@ def _encode_content(
                     genai_types.PartDict(text="**Thinking:** " + part.thought)
                 )
         else:
-            raise NotImplementedError(
-                f"Have not implemented conversion for {part.type}"
-            )
+            raise NotImplementedError(f"Unsupported content type: {part.type}")
     return result
 
 

python/tests/e2e/assets/audio/tagline.mp3

@@ -0,0 +1,10 @@
+from inline_snapshot import snapshot
+
+test_snapshot = snapshot(
+    {
+        "exception": {
+            "type": "NotImplementedError",
+            "args": "('Unsupported content type: audio',)",
+        }
+    }
+)

python/tests/e2e/input/snapshots/test_call_with_audio/anthropic_claude_sonnet_4_0_snapshots.py

@@ -0,0 +1,10 @@
+from inline_snapshot import snapshot
+
+test_snapshot = snapshot(
+    {
+        "exception": {
+            "type": "NotImplementedError",
+            "args": "('Unsupported content type: audio',)",
+        }
+    }
+)

python/tests/e2e/input/snapshots/test_call_with_audio/google_gemini_2_5_flash_snapshots.py

@@ -0,0 +1,10 @@
+from inline_snapshot import snapshot
+
+test_snapshot = snapshot(
+    {
+        "exception": {
+            "type": "NotImplementedError",
+            "args": "('Unsupported user content part type: audio',)",
+        }
+    }
+)

python/tests/e2e/input/snapshots/test_call_with_audio/openai_completions_gpt_4o_snapshots.py

@@ -0,0 +1,10 @@
+from inline_snapshot import snapshot
+
+test_snapshot = snapshot(
+    {
+        "exception": {
+            "type": "NotImplementedError",
+            "args": "('Unsupported user content part type: audio',)",
+        }
+    }
+)

python/tests/e2e/input/snapshots/test_call_with_audio/openai_responses_gpt_4o_snapshots.py

@@ -0,0 +1,38 @@
+"""End-to-end tests for a LLM call with audio input."""
+
+from pathlib import Path
+
+import pytest
+
+from mirascope import llm
+from tests.e2e.conftest import PROVIDER_MODEL_ID_PAIRS
+from tests.utils import (
+    Snapshot,
+    snapshot_test,
+)
+
+HELLO_AUDIO_PATH = str(
+    Path(__file__).parent.parent / "assets" / "audio" / "tagline.mp3"
+)
+
+
+@pytest.mark.parametrize("provider,model_id", PROVIDER_MODEL_ID_PAIRS)
+@pytest.mark.vcr
+def test_call_with_audio(
+    provider: llm.Provider,
+    model_id: llm.ModelId,
+    snapshot: Snapshot,
+    caplog: pytest.LogCaptureFixture,
+) -> None:
+    """Test a call using an audio file loaded from disk."""
+
+    @llm.call(provider=provider, model_id=model_id)
+    def transcribe_audio(audio_path: str) -> llm.UserContent:
+        return [
+            "Repeat exactly what you hear:",
+            llm.Audio.from_file(audio_path),
+        ]
+
+    with snapshot_test(snapshot, caplog) as snap:
+        response = transcribe_audio(HELLO_AUDIO_PATH)
+        snap.set_response(response)