test: add integration tests for all modules
- Add pytest-asyncio dev dependency and configure asyncio_mode=auto - Add filterwarnings to suppress third-party PydanticDeprecatedSince20 - Add conftest.py with shared fixtures (project_dir, write_config, etc.) - Add test_config.py: YAML loading, target type inference, model resolution - Add test_graph.py: DAG construction, cycle detection, build ordering - Add test_state.py: hash functions, state persistence, dirty checking - Add test_builder.py: full build pipeline with FakeProvider, incremental builds, selective builds, error isolation, dependency cascading - Add test_providers.py: ImageProvider and TextProvider with mocked clients - Add test_cli.py: build/clean/graph commands via typer CliRunner - All 94 tests pass with 0 basedpyright warnings
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319
tests/test_providers.py
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319
tests/test_providers.py
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"""Integration tests for bulkgen.providers (image and text).
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Mock-heavy tests produce many Any-typed expressions from MagicMock.
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"""
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# pyright: reportAny=false
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from __future__ import annotations
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import base64
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from pathlib import Path
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from unittest.mock import AsyncMock, MagicMock, patch
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import pytest
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from bulkgen.config import TargetConfig
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from bulkgen.providers.image import ImageProvider
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from bulkgen.providers.image import (
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_encode_image_b64 as encode_image_b64, # pyright: ignore[reportPrivateUsage]
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)
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from bulkgen.providers.text import TextProvider
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def _make_bfl_mocks(
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image_bytes: bytes,
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) -> tuple[MagicMock, MagicMock]:
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"""Return (mock_result, mock_http) for BFL image generation tests."""
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mock_result = MagicMock()
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mock_result.result = {"sample": "https://example.com/img.png"}
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mock_response = MagicMock()
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mock_response.content = image_bytes
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mock_response.raise_for_status.return_value = None
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mock_http = AsyncMock()
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mock_http.get.return_value = mock_response
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mock_http.__aenter__ = AsyncMock(return_value=mock_http)
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mock_http.__aexit__ = AsyncMock(return_value=False)
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return mock_result, mock_http
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def _make_mistral_mock(response: MagicMock) -> AsyncMock:
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"""Return a mock Mistral client."""
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mock_client = AsyncMock()
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mock_client.chat.complete_async.return_value = response
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mock_client.__aenter__ = AsyncMock(return_value=mock_client)
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mock_client.__aexit__ = AsyncMock(return_value=False)
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return mock_client
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def _make_text_response(content: str | None) -> MagicMock:
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"""Return a mock Mistral response with one choice."""
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choice = MagicMock()
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choice.message.content = content
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response = MagicMock()
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response.choices = [choice]
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return response
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class TestImageProvider:
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"""Test ImageProvider with mocked BFL client and HTTP."""
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@pytest.fixture
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def image_bytes(self) -> bytes:
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return b"\x89PNG\r\n\x1a\n" + b"\x00" * 100
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async def test_basic_image_generation(
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self, project_dir: Path, image_bytes: bytes
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) -> None:
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target_config = TargetConfig(prompt="A red square")
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mock_result, mock_http = _make_bfl_mocks(image_bytes)
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with (
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patch("bulkgen.providers.image.BFLClient") as mock_cls,
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patch("bulkgen.providers.image.isinstance", return_value=True),
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patch("bulkgen.providers.image.httpx.AsyncClient") as mock_http_cls,
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):
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mock_cls.return_value.generate.return_value = mock_result
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mock_http_cls.return_value = mock_http
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provider = ImageProvider(api_key="test-key")
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await provider.generate(
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target_name="out.png",
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target_config=target_config,
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resolved_prompt="A red square",
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resolved_model="flux-pro-1.1",
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project_dir=project_dir,
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)
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output = project_dir / "out.png"
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assert output.exists()
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assert output.read_bytes() == image_bytes
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async def test_image_with_dimensions(
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self, project_dir: Path, image_bytes: bytes
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) -> None:
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target_config = TargetConfig(prompt="A banner", width=1920, height=480)
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mock_result, mock_http = _make_bfl_mocks(image_bytes)
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with (
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patch("bulkgen.providers.image.BFLClient") as mock_cls,
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patch("bulkgen.providers.image.isinstance", return_value=True),
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patch("bulkgen.providers.image.httpx.AsyncClient") as mock_http_cls,
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):
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client_instance = mock_cls.return_value
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client_instance.generate.return_value = mock_result
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mock_http_cls.return_value = mock_http
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provider = ImageProvider(api_key="test-key")
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await provider.generate(
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target_name="banner.png",
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target_config=target_config,
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resolved_prompt="A banner",
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resolved_model="flux-pro-1.1",
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project_dir=project_dir,
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)
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call_args = client_instance.generate.call_args
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inputs = call_args[0][1]
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assert inputs["width"] == 1920
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assert inputs["height"] == 480
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async def test_image_with_reference_image(
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self, project_dir: Path, image_bytes: bytes
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) -> None:
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ref_path = project_dir / "ref.png"
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_ = ref_path.write_bytes(b"reference image data")
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target_config = TargetConfig(prompt="Like this", reference_image="ref.png")
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mock_result, mock_http = _make_bfl_mocks(image_bytes)
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with (
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patch("bulkgen.providers.image.BFLClient") as mock_cls,
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patch("bulkgen.providers.image.isinstance", return_value=True),
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patch("bulkgen.providers.image.httpx.AsyncClient") as mock_http_cls,
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):
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client_instance = mock_cls.return_value
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client_instance.generate.return_value = mock_result
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mock_http_cls.return_value = mock_http
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provider = ImageProvider(api_key="test-key")
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await provider.generate(
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target_name="out.png",
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target_config=target_config,
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resolved_prompt="Like this",
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resolved_model="flux-kontext-pro",
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project_dir=project_dir,
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)
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call_args = client_instance.generate.call_args
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inputs = call_args[0][1]
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assert "image_prompt" in inputs
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assert inputs["image_prompt"] == encode_image_b64(ref_path)
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async def test_image_no_sample_url_raises(self, project_dir: Path) -> None:
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target_config = TargetConfig(prompt="x")
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mock_result = MagicMock()
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mock_result.result = {}
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with (
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patch("bulkgen.providers.image.BFLClient") as mock_cls,
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patch("bulkgen.providers.image.isinstance", return_value=True),
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):
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mock_cls.return_value.generate.return_value = mock_result
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provider = ImageProvider(api_key="test-key")
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with pytest.raises(RuntimeError, match="did not return an image URL"):
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await provider.generate(
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target_name="fail.png",
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target_config=target_config,
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resolved_prompt="x",
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resolved_model="flux-pro",
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project_dir=project_dir,
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)
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def test_encode_image_b64(self, project_dir: Path) -> None:
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data = b"test image bytes"
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f = project_dir / "test.png"
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_ = f.write_bytes(data)
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encoded = encode_image_b64(f)
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assert base64.b64decode(encoded) == data
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class TestTextProvider:
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"""Test TextProvider with mocked Mistral client."""
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async def test_basic_text_generation(self, project_dir: Path) -> None:
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target_config = TargetConfig(prompt="Write a poem")
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response = _make_text_response("Roses are red...")
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with patch("bulkgen.providers.text.Mistral") as mock_cls:
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mock_cls.return_value = _make_mistral_mock(response)
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provider = TextProvider(api_key="test-key")
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await provider.generate(
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target_name="poem.txt",
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target_config=target_config,
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resolved_prompt="Write a poem",
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resolved_model="mistral-large-latest",
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project_dir=project_dir,
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)
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output = project_dir / "poem.txt"
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assert output.exists()
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assert output.read_text() == "Roses are red..."
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async def test_text_with_text_input(self, project_dir: Path) -> None:
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_ = (project_dir / "source.txt").write_text("Source material here")
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target_config = TargetConfig(prompt="Summarize", inputs=["source.txt"])
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response = _make_text_response("Summary: ...")
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with patch("bulkgen.providers.text.Mistral") as mock_cls:
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mock_client = _make_mistral_mock(response)
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mock_cls.return_value = mock_client
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provider = TextProvider(api_key="test-key")
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await provider.generate(
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target_name="summary.md",
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target_config=target_config,
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resolved_prompt="Summarize",
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resolved_model="mistral-large-latest",
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project_dir=project_dir,
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)
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call_args = mock_client.chat.complete_async.call_args
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messages = call_args.kwargs["messages"]
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prompt_text = messages[0].content
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assert "--- Contents of source.txt ---" in prompt_text
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assert "Source material here" in prompt_text
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async def test_text_with_image_input(self, project_dir: Path) -> None:
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_ = (project_dir / "photo.png").write_bytes(b"\x89PNG")
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target_config = TargetConfig(prompt="Describe this image", inputs=["photo.png"])
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response = _make_text_response("A beautiful photo")
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with patch("bulkgen.providers.text.Mistral") as mock_cls:
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mock_client = _make_mistral_mock(response)
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mock_cls.return_value = mock_client
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provider = TextProvider(api_key="test-key")
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await provider.generate(
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target_name="desc.txt",
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target_config=target_config,
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resolved_prompt="Describe this image",
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resolved_model="mistral-large-latest",
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project_dir=project_dir,
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)
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call_args = mock_client.chat.complete_async.call_args
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messages = call_args.kwargs["messages"]
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prompt_text = messages[0].content
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assert "[Attached image: photo.png]" in prompt_text
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async def test_text_no_choices_raises(self, project_dir: Path) -> None:
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target_config = TargetConfig(prompt="x")
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response = MagicMock()
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response.choices = []
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with patch("bulkgen.providers.text.Mistral") as mock_cls:
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mock_cls.return_value = _make_mistral_mock(response)
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provider = TextProvider(api_key="test-key")
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with pytest.raises(RuntimeError, match="no choices"):
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await provider.generate(
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target_name="fail.txt",
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target_config=target_config,
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resolved_prompt="x",
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resolved_model="mistral-large-latest",
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project_dir=project_dir,
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)
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async def test_text_empty_content_raises(self, project_dir: Path) -> None:
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target_config = TargetConfig(prompt="x")
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response = _make_text_response(None)
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with patch("bulkgen.providers.text.Mistral") as mock_cls:
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mock_cls.return_value = _make_mistral_mock(response)
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provider = TextProvider(api_key="test-key")
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with pytest.raises(RuntimeError, match="empty content"):
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await provider.generate(
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target_name="fail.txt",
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target_config=target_config,
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resolved_prompt="x",
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resolved_model="mistral-large-latest",
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project_dir=project_dir,
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)
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async def test_text_with_multiple_inputs(self, project_dir: Path) -> None:
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_ = (project_dir / "a.txt").write_text("content A")
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_ = (project_dir / "b.txt").write_text("content B")
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_ = (project_dir / "c.png").write_bytes(b"\x89PNG")
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target_config = TargetConfig(
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prompt="Combine all", inputs=["a.txt", "b.txt", "c.png"]
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)
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response = _make_text_response("Combined")
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with patch("bulkgen.providers.text.Mistral") as mock_cls:
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mock_client = _make_mistral_mock(response)
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mock_cls.return_value = mock_client
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provider = TextProvider(api_key="test-key")
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await provider.generate(
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target_name="out.md",
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target_config=target_config,
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resolved_prompt="Combine all",
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resolved_model="mistral-large-latest",
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project_dir=project_dir,
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)
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call_args = mock_client.chat.complete_async.call_args
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prompt_text = call_args.kwargs["messages"][0].content
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assert "--- Contents of a.txt ---" in prompt_text
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assert "content A" in prompt_text
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assert "--- Contents of b.txt ---" in prompt_text
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assert "content B" in prompt_text
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assert "[Attached image: c.png]" in prompt_text
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