Initial commit
Co-Authored-By: Quentin Torroba <quentin.torroba@mistral.ai> Co-Authored-By: Laure Hugo <laure.hugo@mistral.ai> Co-Authored-By: Benjamin Trom <benjamin.trom@mistral.ai> Co-Authored-By: Mathias Gesbert <mathias.gesbert@ext.mistral.ai> Co-Authored-By: Michel Thomazo <michel.thomazo@mistral.ai> Co-Authored-By: Clément Drouin <clement.drouin@mistral.ai> Co-Authored-By: Vincent Guilloux <vincent.guilloux@mistral.ai> Co-Authored-By: Valentin Berard <val@mistral.ai> Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
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240
tests/acp/test_read_file.py
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tests/acp/test_read_file.py
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from __future__ import annotations
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from pathlib import Path
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from acp import ReadTextFileRequest, ReadTextFileResponse
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import pytest
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from vibe.acp.tools.builtins.read_file import AcpReadFileState, ReadFile
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from vibe.core.tools.base import ToolError
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from vibe.core.tools.builtins.read_file import (
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ReadFileArgs,
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ReadFileResult,
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ReadFileToolConfig,
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)
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class MockConnection:
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def __init__(
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self,
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file_content: str = "line 1\nline 2\nline 3",
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read_error: Exception | None = None,
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) -> None:
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self._file_content = file_content
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self._read_error = read_error
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self._read_text_file_called = False
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self._session_update_called = False
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self._last_read_request: ReadTextFileRequest | None = None
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async def readTextFile(self, request: ReadTextFileRequest) -> ReadTextFileResponse:
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self._read_text_file_called = True
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self._last_read_request = request
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if self._read_error:
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raise self._read_error
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content = self._file_content
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if request.line is not None or request.limit is not None:
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lines = content.splitlines(keepends=True)
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start_line = (request.line or 1) - 1 # Convert to 0-indexed
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end_line = (
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start_line + request.limit if request.limit is not None else len(lines)
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)
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lines = lines[start_line:end_line]
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content = "".join(lines)
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return ReadTextFileResponse(content=content)
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async def sessionUpdate(self, notification) -> None:
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self._session_update_called = True
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@pytest.fixture
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def mock_connection() -> MockConnection:
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return MockConnection()
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@pytest.fixture
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def acp_read_file_tool(mock_connection: MockConnection, tmp_path: Path) -> ReadFile:
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config = ReadFileToolConfig(workdir=tmp_path)
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state = AcpReadFileState.model_construct(
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connection=mock_connection, # type: ignore[arg-type]
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session_id="test_session_123",
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tool_call_id="test_tool_call_456",
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)
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return ReadFile(config=config, state=state)
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class TestAcpReadFileBasic:
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def test_get_name(self) -> None:
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assert ReadFile.get_name() == "read_file"
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class TestAcpReadFileExecution:
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@pytest.mark.asyncio
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async def test_run_success(
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self,
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acp_read_file_tool: ReadFile,
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mock_connection: MockConnection,
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tmp_path: Path,
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) -> None:
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test_file = tmp_path / "test_file.txt"
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test_file.touch()
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args = ReadFileArgs(path=str(test_file))
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result = await acp_read_file_tool.run(args)
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assert isinstance(result, ReadFileResult)
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assert result.path == str(test_file)
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assert result.content == "line 1\nline 2\nline 3"
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assert result.lines_read == 3
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assert mock_connection._read_text_file_called
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assert mock_connection._session_update_called
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# Verify ReadTextFileRequest was created correctly
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request = mock_connection._last_read_request
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assert request is not None
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assert request.sessionId == "test_session_123"
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assert request.path == str(test_file)
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assert request.line is None # offset=0 means no line specified
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assert request.limit is None
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@pytest.mark.asyncio
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async def test_run_with_offset(
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self, mock_connection: MockConnection, tmp_path: Path
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) -> None:
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test_file = tmp_path / "test_file.txt"
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test_file.touch()
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tool = ReadFile(
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config=ReadFileToolConfig(workdir=tmp_path),
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state=AcpReadFileState.model_construct(
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connection=mock_connection, # type: ignore[arg-type]
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session_id="test_session",
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tool_call_id="test_call",
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),
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)
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args = ReadFileArgs(path=str(test_file), offset=1)
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result = await tool.run(args)
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assert result.lines_read == 2
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assert result.content == "line 2\nline 3"
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request = mock_connection._last_read_request
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assert request is not None
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assert request.line == 2 # offset=1 means line 2 (1-indexed)
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@pytest.mark.asyncio
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async def test_run_with_limit(
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self, mock_connection: MockConnection, tmp_path: Path
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) -> None:
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test_file = tmp_path / "test_file.txt"
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test_file.touch()
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tool = ReadFile(
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config=ReadFileToolConfig(workdir=tmp_path),
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state=AcpReadFileState.model_construct(
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connection=mock_connection, # type: ignore[arg-type]
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session_id="test_session",
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tool_call_id="test_call",
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),
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)
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args = ReadFileArgs(path=str(test_file), limit=2)
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result = await tool.run(args)
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assert result.lines_read == 2
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assert result.content == "line 1\nline 2\n"
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request = mock_connection._last_read_request
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assert request is not None
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assert request.limit == 2
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@pytest.mark.asyncio
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async def test_run_with_offset_and_limit(
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self, mock_connection: MockConnection, tmp_path: Path
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) -> None:
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test_file = tmp_path / "test_file.txt"
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test_file.touch()
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tool = ReadFile(
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config=ReadFileToolConfig(workdir=tmp_path),
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state=AcpReadFileState.model_construct(
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connection=mock_connection, # type: ignore[arg-type]
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session_id="test_session",
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tool_call_id="test_call",
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),
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)
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args = ReadFileArgs(path=str(test_file), offset=1, limit=1)
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result = await tool.run(args)
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assert result.lines_read == 1
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assert result.content == "line 2\n"
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request = mock_connection._last_read_request
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assert request is not None
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assert request.line == 2
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assert request.limit == 1
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@pytest.mark.asyncio
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async def test_run_read_error(
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self, mock_connection: MockConnection, tmp_path: Path
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) -> None:
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mock_connection._read_error = RuntimeError("File not found")
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test_file = tmp_path / "test.txt"
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test_file.touch()
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tool = ReadFile(
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config=ReadFileToolConfig(workdir=tmp_path),
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state=AcpReadFileState.model_construct(
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connection=mock_connection, # type: ignore[arg-type]
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session_id="test_session",
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tool_call_id="test_call",
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),
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)
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args = ReadFileArgs(path=str(test_file))
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with pytest.raises(ToolError) as exc_info:
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await tool.run(args)
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assert str(exc_info.value) == f"Error reading {test_file}: File not found"
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@pytest.mark.asyncio
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async def test_run_without_connection(self, tmp_path: Path) -> None:
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test_file = tmp_path / "test.txt"
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test_file.touch()
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tool = ReadFile(
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config=ReadFileToolConfig(workdir=tmp_path),
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state=AcpReadFileState.model_construct(
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connection=None, session_id="test_session", tool_call_id="test_call"
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),
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)
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args = ReadFileArgs(path=str(test_file))
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with pytest.raises(ToolError) as exc_info:
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await tool.run(args)
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assert (
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str(exc_info.value)
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== "Connection not available in tool state. This tool can only be used within an ACP session."
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)
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@pytest.mark.asyncio
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async def test_run_without_session_id(self, tmp_path: Path) -> None:
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test_file = tmp_path / "test.txt"
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test_file.touch()
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mock_connection = MockConnection()
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tool = ReadFile(
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config=ReadFileToolConfig(workdir=tmp_path),
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state=AcpReadFileState.model_construct(
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connection=mock_connection, # type: ignore[arg-type]
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session_id=None,
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tool_call_id="test_call",
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),
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)
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args = ReadFileArgs(path=str(test_file))
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with pytest.raises(ToolError) as exc_info:
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await tool.run(args)
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assert (
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str(exc_info.value)
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== "Session ID not available in tool state. This tool can only be used within an ACP session."
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)
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