Implement Rec - Phase 3 complete

tests/providers/test_openrouter.py

@@ -1,16 +1,21 @@
 """Tests for transcription.providers.openrouter."""
 
 import asyncio
+import json
 import logging
 from types import SimpleNamespace
 from typing import cast
+from uuid import uuid4
 
+import httpx
 import pytest
 from openrouter import OpenRouter
 
 from transcription.config import Settings
+from transcription.providers.base import ProviderCallEvidence
 from transcription.providers.base import ProviderError
 from transcription.providers.base import ProviderResponseError
+from transcription.providers.evidence import SourceEvidenceReference
 from transcription.providers.openrouter import DEFAULT_OPENROUTER_MODEL
 from transcription.providers.openrouter import OpenRouterTranscriptionProvider
 
@@ -245,3 +250,76 @@ class TestOpenRouterProviderTranscribe:
 
         assert result.request_manifest is None
         assert "request manifest omitted" in caplog.text.lower()
+
+    @pytest.mark.asyncio
+    async def test_concurrent_calls_keep_evidence_scoped_to_their_own_capture(self):
+        first_release = asyncio.Event()
+
+        async def handler(request: httpx.Request) -> httpx.Response:
+            payload = json.loads(request.content.decode("utf-8"))
+            prompt = payload["messages"][0]["content"][0]["text"]
+            if prompt == "First prompt":
+                await first_release.wait()
+                body = b'{"error":{"message":"first failure"}}'
+            else:
+                body = b'{"error":{"message":"second failure"}}'
+            return httpx.Response(
+                500,
+                content=body,
+                headers={"Content-Type": "application/json"},
+                request=request,
+            )
+
+        provider = OpenRouterTranscriptionProvider(
+            settings=Settings(openrouter_api_key="test-key"),
+            async_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)),
+        )
+        first_capture = ProviderCallEvidence()
+        second_capture = ProviderCallEvidence()
+
+        first_task = asyncio.create_task(
+            provider.transcribe(
+                prompt_text="First prompt",
+                image_bytes=b"one",
+                mime_type="image/png",
+                evidence_capture=first_capture,
+                source_reference=SourceEvidenceReference(
+                    source_id=uuid4(),
+                    digest_sha256="1" * 64,
+                    byte_size=3,
+                    media_type="image/png",
+                    page_number=1,
+                ),
+            )
+        )
+        await asyncio.sleep(0)
+        second_task = asyncio.create_task(
+            provider.transcribe(
+                prompt_text="Second prompt",
+                image_bytes=b"two",
+                mime_type="image/png",
+                evidence_capture=second_capture,
+                source_reference=SourceEvidenceReference(
+                    source_id=uuid4(),
+                    digest_sha256="2" * 64,
+                    byte_size=3,
+                    media_type="image/png",
+                    page_number=2,
+                ),
+            )
+        )
+
+        with pytest.raises(ProviderError):
+            await second_task
+        first_release.set()
+        with pytest.raises(ProviderError):
+            await first_task
+
+        assert first_capture.request_manifest is not None
+        assert first_capture.request_manifest.prompt_content == "First prompt"
+        assert first_capture.transport_evidence is not None
+        assert first_capture.transport_evidence.body == b'{"error":{"message":"first failure"}}'
+        assert second_capture.request_manifest is not None
+        assert second_capture.request_manifest.prompt_content == "Second prompt"
+        assert second_capture.transport_evidence is not None
+        assert second_capture.transport_evidence.body == b'{"error":{"message":"second failure"}}'