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Initial commit: Core infrastructure (CRIT-001 through CRIT-005)

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Implemented foundational modules for Claude Discord Coordinator:

- Project skeleton with uv (CRIT-003)
- Claude CLI subprocess runner with 11/11 tests passing (CRIT-004)
- SQLite session manager with 27/27 tests passing (CRIT-005)
- Comprehensive test suites for both modules
- Production-ready async/await patterns
- Full type hints and documentation

Technical highlights:
- Validated CLI pattern: claude -p --resume --output-format json
- bypassPermissions requires non-root user (discord-bot)
- WAL mode SQLite for concurrency
- asyncio.Lock for thread safety
- Context manager support

Progress: 5/18 tasks complete (28%)
Week 1: 5/6 complete

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Claude Discord Bot 2026-02-13 17:55:03 +00:00
commit 6b56463779
18 changed files with 2486 additions and 0 deletions
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# Python
__pycache__/
*.py[cod]
*$py.class
*.so
.Python
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
wheels/
*.egg-info/
.installed.cfg
*.egg
MANIFEST
# Virtual environments
.venv/
venv/
ENV/
env/
# uv
.uv/
uv.lock
# IDEs
.vscode/
.idea/
*.swp
*.swo
*~
# OS
.DS_Store
Thumbs.db
# Project-specific
config.yaml
*.db
*.log
.env

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3.12

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# CRIT-004 Implementation Summary
## Task: Build Claude CLI subprocess runner
**Status**: ✅ COMPLETED
**Date**: 2026-02-13
**Files Modified/Created**: 3 new files
---
## Implementation Details
### 1. Core Module: `/opt/projects/claude-coordinator/claude_coordinator/claude_runner.py`
Fully implemented async subprocess wrapper with:
#### ClaudeResponse Dataclass
- `success`: Boolean indicating command success
- `result`: Claude's response text (from JSON result field)
- `session_id`: UUID for session resumption (snake_case, not camelCase)
- `error`: Error message if command failed
- `cost`: Total cost in USD for invocation
- `duration_ms`: Execution time in milliseconds
- `permission_denials`: List of denied permissions
#### ClaudeRunner Class
**Methods**:
- `__init__(default_timeout=300, oauth_token=None)`: Initialize with timeout and optional token
- `async run(message, session_id=None, cwd=None, allowed_tools=None, system_prompt=None, model=None, timeout=None)`: Main execution method
- `_build_command(...)`: Constructs claude CLI command with all flags
- `_prepare_environment()`: Sets up subprocess environment (CRITICAL: unsets CLAUDECODE)
- `_parse_response(stdout)`: Parses JSON output and extracts fields
**Features Implemented**:
✅ Async subprocess execution with asyncio.create_subprocess_exec
✅ Timeout management (default 5 minutes, configurable)
✅ JSON response parsing with error handling
✅ Session ID extraction (snake_case: session_id)
✅ Environment preparation (unsets CLAUDECODE for nested sessions)
✅ OAuth token support via CLAUDE_CODE_OAUTH_TOKEN
✅ Command building with all flags (--resume, --model, --system-prompt, --allowed-tools)
✅ Error handling: timeouts, malformed JSON, process errors, permission denials
✅ Comprehensive logging for debugging
**Critical Requirements from VALIDATION_RESULTS.md**:
✅ Unsets CLAUDECODE environment variable
✅ Uses snake_case (session_id not sessionId)
✅ Sets CLAUDE_CODE_OAUTH_TOKEN if provided
✅ Runs with bypassPermissions for unattended operation
✅ Parses JSON structure correctly (type, subtype, is_error, result, session_id, cost)
---
### 2. Test Suite: `/opt/projects/claude-coordinator/tests/test_claude_runner.py`
Comprehensive test coverage with 12 test cases:
#### Unit Tests (11 tests, all passing):
1. ✅ `test_new_session_creation` - Verifies session creation without session_id
2. ✅ `test_session_resumption` - Verifies --resume flag and context preservation
3. ✅ `test_timeout_handling` - Tests asyncio timeout and process killing
4. ✅ `test_malformed_json_handling` - Tests JSON parse error handling
5. ✅ `test_process_error_handling` - Tests non-zero exit codes
6. ✅ `test_claude_error_response` - Tests is_error flag detection
7. ✅ `test_permission_denial_handling` - Tests permission_denials array
8. ✅ `test_command_building_with_all_options` - Verifies all flags present
9. ✅ `test_environment_preparation` - Verifies CLAUDECODE unset and token set
10. ✅ `test_cwd_parameter` - Tests working directory parameter
11. ✅ `test_parse_response_edge_cases` - Tests minimal and complete JSON
#### Integration Test (1 test, requires authentication):
- `test_real_claude_session` - Tests with real Claude CLI (marked with @pytest.mark.integration)
**Test Results**:
```
11 passed, 1 deselected (integration), 1 warning
```
**Test Coverage**: All core functionality covered with mocked subprocesses
---
### 3. Usage Example: `/opt/projects/claude-coordinator/examples/basic_usage.py`
Demonstrates:
- Creating a new Claude session
- Resuming session with context preservation
- Using tool restrictions and working directory
- Error handling and cost tracking
**Run with**: `uv run python examples/basic_usage.py`
---
## Command Pattern Implemented
```python
cmd = [
"claude",
"-p", message,
"--output-format", "json",
"--permission-mode", "bypassPermissions"
]
if session_id:
cmd.extend(["--resume", session_id])
if model:
cmd.extend(["--model", model])
if system_prompt:
cmd.extend(["--system-prompt", system_prompt])
if allowed_tools:
cmd.extend(["--allowed-tools", ",".join(allowed_tools)])
```
---
## Environment Handling (CRITICAL)
```python
def _prepare_environment(self) -> dict:
env = os.environ.copy()
# CRITICAL: Unset CLAUDECODE to allow nested sessions
env.pop('CLAUDECODE', None)
# Set OAuth token if provided
if self.oauth_token:
env['CLAUDE_CODE_OAUTH_TOKEN'] = self.oauth_token
return env
```
**Why this matters**: Without unsetting CLAUDECODE, subprocess fails with:
`"Claude Code cannot be launched inside another Claude Code session"`
---
## JSON Response Parsing
Correctly handles the structure from VALIDATION_RESULTS.md:
```python
{
"type": "result",
"subtype": "success" or error type,
"is_error": boolean,
"result": actual response text,
"session_id": UUID (snake_case!),
"total_cost_usd": cost tracking,
"duration_ms": execution time,
"permission_denials": array (should be empty)
}
```
**Key Implementation Detail**: Uses `data.get("session_id")` NOT `data.get("sessionId")`
---
## Error Handling
Handles all failure modes:
1. **Timeout**: Process killed, error response returned
2. **Non-zero exit code**: stderr captured and returned
3. **Malformed JSON**: Parse error with raw output logged
4. **Claude API errors**: is_error flag detected, error message extracted
5. **Permission denials**: permission_denials array checked
6. **Unexpected exceptions**: Caught and wrapped in error response
---
## Dependencies Added
```toml
[project.optional-dependencies]
dev = [
"pytest>=9.0.2",
"pytest-asyncio>=1.3.0"
]
```
---
## Verification
### Unit Tests
```bash
cd /opt/projects/claude-coordinator
uv run pytest tests/test_claude_runner.py -v -m "not integration"
```
**Result**: ✅ 11/11 tests passing
### Integration Test (requires Claude CLI auth)
```bash
uv run pytest tests/test_claude_runner.py -v -m integration
```
### Example Usage
```bash
uv run python examples/basic_usage.py
```
---
## Next Steps (CRIT-005)
With ClaudeRunner complete and tested, the next critical task is:
**CRIT-005**: Build session manager with SQLite
- Per-channel session ID persistence
- Stores channel_id → session_id mapping
- Schema: sessions(channel_id, session_id, project_name, timestamps, message_count)
---
## Files Created
1. `/opt/projects/claude-coordinator/claude_coordinator/claude_runner.py` (245 lines)
2. `/opt/projects/claude-coordinator/tests/test_claude_runner.py` (380 lines)
3. `/opt/projects/claude-coordinator/tests/conftest.py` (pytest config)
4. `/opt/projects/claude-coordinator/examples/basic_usage.py` (95 lines)
**Total**: ~720 lines of production code and tests
---
## Key Learnings
1. **CLAUDECODE environment variable** must be unset for nested sessions
2. **snake_case** is used in JSON responses (session_id, not sessionId)
3. **bypassPermissions** enables unattended operation (required for Discord bot)
4. **asyncio.create_subprocess_exec** is the correct approach (NOT shell=True)
5. **Timeout handling** requires asyncio.wait_for and process.kill()
6. **JSON parsing** must handle edge cases (missing fields, errors, denials)
---
## Code Quality
✅ Comprehensive type hints throughout
✅ Detailed docstrings with examples
✅ Extensive error handling and logging
✅ Clean separation of concerns (build, execute, parse)
✅ Production-ready code quality
✅ 100% of core functionality tested
---
## Production Readiness
✅ Async/await for non-blocking operation
✅ Configurable timeouts prevent hangs
✅ Comprehensive error handling
✅ Detailed logging for debugging
✅ Validated against real Claude CLI pattern
✅ All edge cases from validation testing covered
✅ Ready for Discord bot integration
---
**Engineer**: Atlas (a701530)
**Task**: CRIT-004
**Status**: ✅ COMPLETE

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# Claude Discord Coordinator
A Discord bot that provides multi-user access to Claude CLI sessions with persistence, configuration management, and formatted responses.
## Features
- **Multi-user sessions**: Each Discord user gets their own persistent Claude CLI session
- **Session persistence**: Conversation history and working directories saved in SQLite
- **YAML configuration**: Flexible bot configuration with environment variable support
- **Response formatting**: Automatic chunking and code block formatting for Discord
- **Subprocess management**: Robust Claude CLI process handling with timeout control
## Project Structure
```
claude-coordinator/
├── pyproject.toml # uv project configuration
├── README.md # This file
├── .gitignore # Python/uv ignore patterns
└── claude_coordinator/ # Main package
├── __init__.py # Package initialization
├── bot.py # Discord bot entry point
├── config.py # YAML configuration management
├── session_manager.py # SQLite session persistence
├── claude_runner.py # Claude CLI subprocess wrapper
└── response_formatter.py # Discord message formatting
```
## Requirements
- Python 3.12+
- uv 0.10.2+
- Claude CLI (authenticated)
## Dependencies
- discord.py 2.6.4+ - Discord bot framework
- aiosqlite 0.22.1+ - Async SQLite interface
- pyyaml 6.0.3+ - YAML configuration parsing
## Installation
```bash
cd /opt/projects/claude-coordinator
uv sync
```
## Configuration
Configuration will be loaded from a YAML file (to be implemented in CRIT-004).
## Usage
```bash
# Run the bot (entry point to be completed)
uv run python -m claude_coordinator.bot
```
## Development Status
This project is under active development. Current implementation status:
- [x] CRIT-003: Project skeleton with uv
- [ ] CRIT-004: Configuration system
- [ ] CRIT-005: Session management
- [ ] CRIT-006: Claude CLI integration
- [ ] CRIT-007: Discord bot commands
- [ ] CRIT-008: Testing and deployment
## License
TBD

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"""Claude Discord Coordinator.
A Discord bot that provides multi-user access to Claude CLI sessions with
persistence, configuration management, and formatted responses.
"""
__version__ = "0.1.0"

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"""Discord bot entry point and command handler.
This module contains the main Discord bot client and command implementations
for Claude CLI coordination.
"""
from typing import Optional
import discord
from discord.ext import commands
class ClaudeCoordinator(commands.Bot):
"""Discord bot for coordinating Claude CLI sessions.
Attributes:
session_manager: Manages persistent Claude CLI sessions per user.
config: Bot configuration loaded from YAML.
"""
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Session manager and config will be initialized here
async def on_ready(self):
"""Called when the bot successfully connects to Discord."""
print(f"Logged in as {self.user} (ID: {self.user.id})")
print(f"Connected to {len(self.guilds)} guilds")
async def main():
"""Initialize and run the Discord bot."""
# Bot initialization will happen here
pass
if __name__ == "__main__":
import asyncio
asyncio.run(main())

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"""Subprocess wrapper for running Claude CLI commands.
Manages Claude CLI process lifecycle, input/output handling, and timeout
management for user commands using the -p (pipe mode) pattern with JSON output.
"""
import asyncio
import json
import logging
import os
from dataclasses import dataclass
from typing import Optional, List
logger = logging.getLogger(__name__)
@dataclass
class ClaudeResponse:
"""Structured response from Claude CLI subprocess.
Attributes:
success: Whether the command succeeded without errors.
result: Claude's response text (from JSON result field).
session_id: UUID for session resumption (from JSON session_id field).
error: Error message if command failed.
cost: Total cost in USD for this invocation.
duration_ms: Total execution time in milliseconds.
permission_denials: List of denied permissions (should be empty with bypassPermissions).
"""
success: bool
result: str
session_id: Optional[str] = None
error: Optional[str] = None
cost: Optional[float] = None
duration_ms: Optional[int] = None
permission_denials: Optional[List[dict]] = None
class ClaudeRunner:
"""Manages Claude CLI subprocess execution using pipe mode (-p).
This class wraps claude CLI invocations as async subprocesses, handling:
- Command building with all necessary flags
- Timeout management (default 5 minutes)
- JSON response parsing
- Session ID extraction (snake_case: session_id not sessionId)
- Error handling (timeouts, malformed output, process errors)
Attributes:
default_timeout: Default timeout in seconds for subprocess execution.
oauth_token: OAuth token for Claude API authentication.
"""
def __init__(
self,
default_timeout: int = 300,
oauth_token: Optional[str] = None
):
"""Initialize Claude runner.
Args:
default_timeout: Default timeout in seconds (default: 300 = 5 minutes).
oauth_token: Claude OAuth token (optional, can be set via environment).
"""
self.default_timeout = default_timeout
self.oauth_token = oauth_token
async def run(
self,
message: str,
session_id: Optional[str] = None,
cwd: Optional[str] = None,
allowed_tools: Optional[List[str]] = None,
system_prompt: Optional[str] = None,
model: Optional[str] = None,
timeout: Optional[int] = None
) -> ClaudeResponse:
"""Run Claude CLI command with the given message and configuration.
Args:
message: User message to send to Claude.
session_id: Optional session ID for resuming existing session.
cwd: Working directory for Claude subprocess (default: current directory).
allowed_tools: List of allowed tools (e.g., ['Bash', 'Read', 'Write']).
system_prompt: Optional system prompt to append to Claude's default.
model: Model to use (e.g., 'sonnet', 'opus').
timeout: Timeout in seconds (default: self.default_timeout).
Returns:
ClaudeResponse with success status, result text, and session_id.
Raises:
asyncio.TimeoutError: If command exceeds timeout (wrapped in ClaudeResponse.error).
"""
timeout = timeout or self.default_timeout
# Build command
cmd = self._build_command(
message=message,
session_id=session_id,
allowed_tools=allowed_tools,
system_prompt=system_prompt,
model=model
)
# Log command invocation
logger.info(
f"Executing Claude CLI: {' '.join(cmd[:3])}... (session_id={session_id})",
extra={
"session_id": session_id,
"cwd": cwd,
"timeout": timeout,
"model": model
}
)
try:
# Prepare environment (CRITICAL: unset CLAUDECODE to allow nested sessions)
env = self._prepare_environment()
# Execute subprocess
process = await asyncio.create_subprocess_exec(
*cmd,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE,
cwd=cwd,
env=env
)
# Wait for completion with timeout
try:
stdout, stderr = await asyncio.wait_for(
process.communicate(),
timeout=timeout
)
except asyncio.TimeoutError:
# Kill process on timeout
process.kill()
await process.wait()
logger.error(f"Claude CLI timeout after {timeout}s")
return ClaudeResponse(
success=False,
result="",
error=f"Command timed out after {timeout} seconds"
)
# Check return code
if process.returncode != 0:
error_msg = stderr.decode('utf-8').strip()
logger.error(f"Claude CLI failed with code {process.returncode}: {error_msg}")
return ClaudeResponse(
success=False,
result="",
error=f"Process exited with code {process.returncode}: {error_msg}"
)
# Parse JSON response
return self._parse_response(stdout.decode('utf-8'))
except Exception as e:
logger.exception(f"Unexpected error running Claude CLI: {e}")
return ClaudeResponse(
success=False,
result="",
error=f"Unexpected error: {str(e)}"
)
def _build_command(
self,
message: str,
session_id: Optional[str] = None,
allowed_tools: Optional[List[str]] = None,
system_prompt: Optional[str] = None,
model: Optional[str] = None
) -> List[str]:
"""Build Claude CLI command with all necessary flags.
Args:
message: User message.
session_id: Optional session ID for resumption.
allowed_tools: List of allowed tools.
system_prompt: Optional system prompt.
model: Optional model selection.
Returns:
List of command arguments for subprocess execution.
"""
cmd = [
"claude",
"-p", message,
"--output-format", "json",
"--permission-mode", "bypassPermissions"
]
# Add session resumption flag
if session_id:
cmd.extend(["--resume", session_id])
# Add model selection
if model:
cmd.extend(["--model", model])
# Add system prompt
if system_prompt:
cmd.extend(["--system-prompt", system_prompt])
# Add tool restrictions
if allowed_tools:
cmd.extend(["--allowed-tools", ",".join(allowed_tools)])
return cmd
def _prepare_environment(self) -> dict:
"""Prepare subprocess environment variables.
CRITICAL: Must unset CLAUDECODE environment variable to allow nested sessions.
See VALIDATION_RESULTS.md for details.
Returns:
Environment dictionary for subprocess.
"""
env = os.environ.copy()
# CRITICAL: Unset CLAUDECODE to allow nested Claude sessions
env.pop('CLAUDECODE', None)
# Set OAuth token if provided
if self.oauth_token:
env['CLAUDE_CODE_OAUTH_TOKEN'] = self.oauth_token
return env
def _parse_response(self, stdout: str) -> ClaudeResponse:
"""Parse JSON response from Claude CLI.
Expected JSON structure (from VALIDATION_RESULTS.md):
{
"type": "result",
"subtype": "success" or error type,
"is_error": boolean,
"result": actual response text,
"session_id": UUID for session resumption,
"total_cost_usd": cost tracking,
"duration_ms": execution time,
"permission_denials": array (should be empty)
}
Args:
stdout: Raw stdout from Claude CLI.
Returns:
ClaudeResponse with parsed data.
"""
try:
data = json.loads(stdout)
except json.JSONDecodeError as e:
logger.error(f"Failed to parse JSON response: {e}")
logger.debug(f"Raw output: {stdout[:500]}...")
return ClaudeResponse(
success=False,
result="",
error=f"Malformed JSON response: {str(e)}"
)
# Check for errors (CRITICAL: use snake_case fields)
is_error = data.get("is_error", False)
if is_error:
error_msg = data.get("result", "Unknown error")
logger.error(f"Claude CLI returned error: {error_msg}")
return ClaudeResponse(
success=False,
result="",
error=error_msg
)
# Check for permission denials
permission_denials = data.get("permission_denials", [])
if permission_denials:
logger.warning(f"Permission denials detected: {permission_denials}")
return ClaudeResponse(
success=False,
result="",
error=f"Permission denied: {permission_denials}",
permission_denials=permission_denials
)
# Extract response data (CRITICAL: use snake_case: session_id not sessionId)
return ClaudeResponse(
success=True,
result=data.get("result", ""),
session_id=data.get("session_id"),
cost=data.get("total_cost_usd"),
duration_ms=data.get("duration_ms"),
permission_denials=permission_denials
)

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"""Configuration management for Claude Discord Coordinator.
Loads and validates YAML configuration files with support for environment
variable substitution.
"""
from pathlib import Path
from typing import Any, Dict, Optional
import yaml
class Config:
"""Configuration manager for bot settings.
Attributes:
config_path: Path to the YAML configuration file.
data: Parsed configuration data.
"""
def __init__(self, config_path: Path):
"""Initialize configuration from YAML file.
Args:
config_path: Path to the configuration file.
"""
self.config_path = config_path
self.data: Dict[str, Any] = {}
def load(self) -> None:
"""Load configuration from YAML file.
Raises:
FileNotFoundError: If config file does not exist.
yaml.YAMLError: If config file is invalid YAML.
"""
with open(self.config_path, "r") as f:
self.data = yaml.safe_load(f)
def get(self, key: str, default: Any = None) -> Any:
"""Get configuration value by key.
Args:
key: Configuration key (supports dot notation).
default: Default value if key not found.
Returns:
Configuration value or default.
"""
keys = key.split(".")
value = self.data
for k in keys:
if isinstance(value, dict):
value = value.get(k)
else:
return default
return value if value is not None else default

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"""Discord message formatting for Claude CLI output.
Handles splitting long responses, code block formatting, and Discord-specific
message constraints.
"""
from typing import List
class ResponseFormatter:
"""Formats Claude CLI output for Discord messages.
Handles Discord message length limits, code block formatting, and
chunking of long responses.
"""
MAX_MESSAGE_LENGTH = 2000
MAX_CODE_BLOCK_LENGTH = 1990 # Account for markdown syntax
@staticmethod
def format_code_block(content: str, language: str = "") -> str:
"""Wrap content in Discord code block formatting.
Args:
content: Text to format as code.
language: Optional syntax highlighting language.
Returns:
Formatted code block string.
"""
return f"```{language}\n{content}\n```"
@staticmethod
def chunk_response(text: str, max_length: int = MAX_MESSAGE_LENGTH) -> List[str]:
"""Split long text into Discord-safe chunks.
Args:
text: Text to split.
max_length: Maximum characters per chunk.
Returns:
List of text chunks under max_length.
"""
if len(text) <= max_length:
return [text]
chunks = []
current_chunk = ""
for line in text.split("\n"):
if len(current_chunk) + len(line) + 1 <= max_length:
current_chunk += line + "\n"
else:
if current_chunk:
chunks.append(current_chunk.rstrip())
current_chunk = line + "\n"
if current_chunk:
chunks.append(current_chunk.rstrip())
return chunks
@staticmethod
def format_error(error_message: str) -> str:
"""Format error message for Discord display.
Args:
error_message: Error text to format.
Returns:
Formatted error message.
"""
return f":warning: **Error:**\n```\n{error_message}\n```"

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"""
Session manager for Claude Discord Coordinator.
Manages per-channel session ID persistence using SQLite. Each Discord channel
maps to a Claude Code session, with metadata tracking for activity and usage.
Author: Claude Code
Created: 2026-02-13
"""
import asyncio
import logging
from datetime import datetime
from pathlib import Path
from typing import Any, Dict, List, Optional
import aiosqlite
logger = logging.getLogger(__name__)
class SessionManager:
"""
Async SQLite-backed session manager for Discord channel to Claude session mapping.
Stores persistent session data including:
- channel_id: Discord channel identifier
- session_id: Claude Code session identifier
- project_name: Associated project name
- created_at: Session creation timestamp
- last_active: Last message timestamp
- message_count: Total messages in session
Thread-safe via asyncio.Lock for concurrent access protection.
"""
def __init__(self, db_path: Optional[str] = None):
"""
Initialize session manager.
Args:
db_path: Path to SQLite database file. Defaults to ~/.claude-coordinator/sessions.db
"""
if db_path is None:
db_dir = Path.home() / ".claude-coordinator"
db_dir.mkdir(parents=True, exist_ok=True)
db_path = str(db_dir / "sessions.db")
self.db_path = db_path
self._db: Optional[aiosqlite.Connection] = None
self._lock = asyncio.Lock()
logger.info(f"SessionManager initialized with database: {self.db_path}")
async def __aenter__(self) -> 'SessionManager':
"""Async context manager entry - initialize database connection."""
await self._initialize_db()
return self
async def __aexit__(self, exc_type, exc_val, exc_tb):
"""Async context manager exit - close database connection."""
await self.close()
async def _initialize_db(self) -> None:
"""Create database connection and initialize schema."""
try:
self._db = await aiosqlite.connect(self.db_path)
# Enable foreign keys and WAL mode for better concurrency
await self._db.execute("PRAGMA foreign_keys = ON")
await self._db.execute("PRAGMA journal_mode = WAL")
# Create sessions table
await self._db.execute("""
CREATE TABLE IF NOT EXISTS sessions (
channel_id TEXT PRIMARY KEY,
session_id TEXT NOT NULL,
project_name TEXT,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
last_active TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
message_count INTEGER DEFAULT 0
)
""")
# Create indexes for common queries
await self._db.execute("""
CREATE INDEX IF NOT EXISTS idx_last_active
ON sessions(last_active)
""")
await self._db.execute("""
CREATE INDEX IF NOT EXISTS idx_project_name
ON sessions(project_name)
""")
await self._db.commit()
logger.info("Database schema initialized successfully")
except Exception as e:
logger.error(f"Failed to initialize database: {e}")
raise
async def close(self) -> None:
"""Close database connection and clean up resources."""
if self._db:
try:
await self._db.close()
logger.info("Database connection closed")
except Exception as e:
logger.error(f"Error closing database: {e}")
finally:
self._db = None
async def get_session(self, channel_id: str) -> Optional[Dict[str, Any]]:
"""
Retrieve session data for a Discord channel.
Args:
channel_id: Discord channel identifier
Returns:
Dictionary with session data or None if no session exists:
{
'channel_id': str,
'session_id': str,
'project_name': str or None,
'created_at': str (ISO format),
'last_active': str (ISO format),
'message_count': int
}
"""
async with self._lock:
try:
async with self._db.execute(
"""
SELECT channel_id, session_id, project_name,
created_at, last_active, message_count
FROM sessions
WHERE channel_id = ?
""",
(channel_id,)
) as cursor:
row = await cursor.fetchone()
if row is None:
logger.debug(f"No session found for channel: {channel_id}")
return None
session_data = {
'channel_id': row[0],
'session_id': row[1],
'project_name': row[2],
'created_at': row[3],
'last_active': row[4],
'message_count': row[5]
}
logger.debug(f"Retrieved session for channel {channel_id}: {session_data['session_id']}")
return session_data
except Exception as e:
logger.error(f"Error retrieving session for channel {channel_id}: {e}")
raise
async def save_session(
self,
channel_id: str,
session_id: str,
project_name: Optional[str] = None
) -> None:
"""
Save or update a session for a Discord channel.
If the channel already has a session, updates the session_id and project_name.
Otherwise, creates a new session record.
Args:
channel_id: Discord channel identifier
session_id: Claude Code session identifier
project_name: Optional project name for the session
"""
async with self._lock:
try:
# Check if session exists
existing = await self._get_session_unlocked(channel_id)
if existing:
# Update existing session
await self._db.execute(
"""
UPDATE sessions
SET session_id = ?,
project_name = ?,
last_active = CURRENT_TIMESTAMP
WHERE channel_id = ?
""",
(session_id, project_name, channel_id)
)
logger.info(f"Updated session for channel {channel_id}: {session_id}")
else:
# Insert new session
await self._db.execute(
"""
INSERT INTO sessions
(channel_id, session_id, project_name, created_at, last_active, message_count)
VALUES (?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP, 0)
""",
(channel_id, session_id, project_name)
)
logger.info(f"Created new session for channel {channel_id}: {session_id}")
await self._db.commit()
except Exception as e:
logger.error(f"Error saving session for channel {channel_id}: {e}")
await self._db.rollback()
raise
async def reset_session(self, channel_id: str) -> bool:
"""
Delete a session for a Discord channel.
Used for /reset commands to start fresh conversations.
Args:
channel_id: Discord channel identifier
Returns:
True if a session was deleted, False if no session existed
"""
async with self._lock:
try:
cursor = await self._db.execute(
"DELETE FROM sessions WHERE channel_id = ?",
(channel_id,)
)
await self._db.commit()
deleted = cursor.rowcount > 0
if deleted:
logger.info(f"Reset session for channel: {channel_id}")
else:
logger.debug(f"No session to reset for channel: {channel_id}")
return deleted
except Exception as e:
logger.error(f"Error resetting session for channel {channel_id}: {e}")
await self._db.rollback()
raise
async def list_sessions(self) -> List[Dict[str, Any]]:
"""
List all active sessions.
Returns:
List of session dictionaries, ordered by last_active (most recent first):
[
{
'channel_id': str,
'session_id': str,
'project_name': str or None,
'created_at': str,
'last_active': str,
'message_count': int
},
...
]
"""
async with self._lock:
try:
async with self._db.execute(
"""
SELECT channel_id, session_id, project_name,
created_at, last_active, message_count
FROM sessions
ORDER BY last_active DESC
"""
) as cursor:
rows = await cursor.fetchall()
sessions = [
{
'channel_id': row[0],
'session_id': row[1],
'project_name': row[2],
'created_at': row[3],
'last_active': row[4],
'message_count': row[5]
}
for row in rows
]
logger.debug(f"Listed {len(sessions)} active sessions")
return sessions
except Exception as e:
logger.error(f"Error listing sessions: {e}")
raise
async def update_activity(self, channel_id: str) -> None:
"""
Update last_active timestamp and increment message_count for a channel.
Should be called every time a message is processed for the channel.
Args:
channel_id: Discord channel identifier
"""
async with self._lock:
try:
await self._db.execute(
"""
UPDATE sessions
SET last_active = CURRENT_TIMESTAMP,
message_count = message_count + 1
WHERE channel_id = ?
""",
(channel_id,)
)
await self._db.commit()
logger.debug(f"Updated activity for channel: {channel_id}")
except Exception as e:
logger.error(f"Error updating activity for channel {channel_id}: {e}")
await self._db.rollback()
raise
async def get_stats(self) -> Dict[str, Any]:
"""
Get session statistics for monitoring and debugging.
Returns:
Dictionary with statistics:
{
'total_sessions': int,
'total_messages': int,
'active_projects': int,
'most_active_channel': str or None,
'oldest_session': str or None,
'newest_session': str or None
}
"""
async with self._lock:
try:
stats = {}
# Total sessions
async with self._db.execute("SELECT COUNT(*) FROM sessions") as cursor:
row = await cursor.fetchone()
stats['total_sessions'] = row[0] if row else 0
# Total messages
async with self._db.execute("SELECT SUM(message_count) FROM sessions") as cursor:
row = await cursor.fetchone()
stats['total_messages'] = row[0] if row and row[0] else 0
# Active projects (distinct non-null project names)
async with self._db.execute(
"SELECT COUNT(DISTINCT project_name) FROM sessions WHERE project_name IS NOT NULL"
) as cursor:
row = await cursor.fetchone()
stats['active_projects'] = row[0] if row else 0
# Most active channel
async with self._db.execute(
"SELECT channel_id FROM sessions ORDER BY message_count DESC LIMIT 1"
) as cursor:
row = await cursor.fetchone()
stats['most_active_channel'] = row[0] if row else None
# Oldest session
async with self._db.execute(
"SELECT channel_id FROM sessions ORDER BY created_at ASC LIMIT 1"
) as cursor:
row = await cursor.fetchone()
stats['oldest_session'] = row[0] if row else None
# Newest session
async with self._db.execute(
"SELECT channel_id FROM sessions ORDER BY created_at DESC LIMIT 1"
) as cursor:
row = await cursor.fetchone()
stats['newest_session'] = row[0] if row else None
logger.debug(f"Retrieved session statistics: {stats}")
return stats
except Exception as e:
logger.error(f"Error retrieving session statistics: {e}")
raise
async def _get_session_unlocked(self, channel_id: str) -> Optional[Dict[str, Any]]:
"""
Internal method to get session without acquiring lock.
Used when the lock is already held to avoid deadlock.
Args:
channel_id: Discord channel identifier
Returns:
Session dictionary or None
"""
try:
async with self._db.execute(
"""
SELECT channel_id, session_id, project_name,
created_at, last_active, message_count
FROM sessions
WHERE channel_id = ?
""",
(channel_id,)
) as cursor:
row = await cursor.fetchone()
if row is None:
return None
return {
'channel_id': row[0],
'session_id': row[1],
'project_name': row[2],
'created_at': row[3],
'last_active': row[4],
'message_count': row[5]
}
except Exception as e:
logger.error(f"Error in _get_session_unlocked for channel {channel_id}: {e}")
raise
# Example usage
async def main():
"""Example demonstrating SessionManager usage."""
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
# Use context manager for automatic cleanup
async with SessionManager() as manager:
# Create a session
await manager.save_session(
channel_id="123456789",
session_id="sess_abc123",
project_name="major-domo"
)
# Retrieve the session
session = await manager.get_session("123456789")
print(f"Retrieved session: {session}")
# Update activity
await manager.update_activity("123456789")
await manager.update_activity("123456789")
# Create another session
await manager.save_session(
channel_id="987654321",
session_id="sess_xyz789",
project_name="paper-dynasty"
)
# List all sessions
sessions = await manager.list_sessions()
print(f"\nAll sessions ({len(sessions)}):")
for s in sessions:
print(f" - {s['channel_id']}: {s['session_id']} ({s['message_count']} messages)")
# Get statistics
stats = await manager.get_stats()
print(f"\nStatistics: {stats}")
# Reset a session
deleted = await manager.reset_session("123456789")
print(f"\nSession reset: {deleted}")
# Verify deletion
session = await manager.get_session("123456789")
print(f"Session after reset: {session}")
if __name__ == "__main__":
asyncio.run(main())

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#!/usr/bin/env python3
"""Basic usage example for ClaudeRunner.
Demonstrates:
1. Creating a new Claude session
2. Resuming an existing session with context preservation
3. Error handling and timeout configuration
"""
import asyncio
import sys
from claude_coordinator.claude_runner import ClaudeRunner
async def main():
"""Demonstrate basic ClaudeRunner usage."""
# Initialize runner with 2-minute timeout
runner = ClaudeRunner(default_timeout=120)
print("=" * 60)
print("ClaudeRunner Basic Usage Example")
print("=" * 60)
# Example 1: Create new session
print("\n1. Creating new session...")
response1 = await runner.run(
message="Hello! Please respond with 'Hi there!' and nothing else.",
model="sonnet"
)
if response1.success:
print(f" ✓ Success!")
print(f" Response: {response1.result}")
print(f" Session ID: {response1.session_id}")
print(f" Cost: ${response1.cost:.4f}")
print(f" Duration: {response1.duration_ms}ms")
else:
print(f" ✗ Error: {response1.error}")
sys.exit(1)
# Example 2: Resume session with context
print("\n2. Resuming session with context...")
session_id = response1.session_id
response2 = await runner.run(
message="What did I just ask you to say?",
session_id=session_id,
model="sonnet"
)
if response2.success:
print(f" ✓ Success!")
print(f" Response: {response2.result}")
print(f" Session ID preserved: {response2.session_id == session_id}")
print(f" Cost: ${response2.cost:.4f}")
else:
print(f" ✗ Error: {response2.error}")
sys.exit(1)
# Example 3: Using allowed tools and working directory
print("\n3. Using tool restrictions and working directory...")
response3 = await runner.run(
message="List the files in the current directory",
session_id=session_id,
cwd="/opt/projects/claude-coordinator",
allowed_tools=["Bash", "Read", "Glob"], # No Write or Edit
model="sonnet"
)
if response3.success:
print(f" ✓ Success!")
print(f" Response: {response3.result[:200]}...")
print(f" Cost: ${response3.cost:.4f}")
else:
print(f" ✗ Error: {response3.error}")
print("\n" + "=" * 60)
print("Total cost for this session: ${:.4f}".format(
(response1.cost or 0) + (response2.cost or 0) + (response3.cost or 0)
))
print("=" * 60)
if __name__ == "__main__":
asyncio.run(main())

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def main():
print("Hello from claude-coordinator!")
if __name__ == "__main__":
main()

17
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[project]
name = "claude-coordinator"
version = "0.1.0"
description = "Add your description here"
readme = "README.md"
requires-python = ">=3.12"
dependencies = [
"aiosqlite>=0.22.1",
"discord-py>=2.6.4",
"pyyaml>=6.0.3",
]
[dependency-groups]
dev = [
"pytest>=9.0.2",
"pytest-asyncio>=1.3.0",
]

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pytest.ini Normal file
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[pytest]
asyncio_mode = auto
asyncio_default_fixture_loop_scope = function
markers =
slow: marks tests as slow (deselect with '-m "not slow"')

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10
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"""Pytest configuration for claude-coordinator tests."""
import pytest
def pytest_configure(config):
"""Register custom markers."""
config.addinivalue_line(
"markers", "integration: mark test as integration test requiring Claude CLI authentication"
)

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"""Comprehensive tests for ClaudeRunner subprocess wrapper.
Tests cover:
- New session creation
- Session resumption with context preservation
- Timeout handling
- JSON parsing (including edge cases)
- Error handling (process failures, malformed output, permission denials)
"""
import asyncio
import json
import pytest
from unittest.mock import AsyncMock, MagicMock, patch
from claude_coordinator.claude_runner import ClaudeRunner, ClaudeResponse
class TestClaudeRunner:
"""Test suite for ClaudeRunner class."""
@pytest.fixture
def runner(self):
"""Create a ClaudeRunner instance for testing."""
return ClaudeRunner(default_timeout=30)
@pytest.fixture
def mock_process(self):
"""Create a mock subprocess for testing."""
process = AsyncMock()
process.returncode = 0
return process
def create_mock_response(
self,
result="Test response",
session_id="test-session-123",
is_error=False,
cost=0.01
):
"""Helper to create mock JSON response."""
return json.dumps({
"type": "result",
"subtype": "success" if not is_error else "error",
"is_error": is_error,
"result": result,
"session_id": session_id,
"total_cost_usd": cost,
"duration_ms": 2000,
"permission_denials": []
}).encode('utf-8')
@pytest.mark.asyncio
async def test_new_session_creation(self, runner, mock_process):
"""Test creating a new Claude session without session_id.
Verifies that:
- Command is built correctly without --resume flag
- JSON response is parsed successfully
- Session ID is extracted from response
"""
stdout = self.create_mock_response(
result="Hello! How can I help?",
session_id="new-session-uuid-123"
)
mock_process.communicate.return_value = (stdout, b"")
with patch('asyncio.create_subprocess_exec', return_value=mock_process):
response = await runner.run(
message="Hello Claude",
session_id=None
)
assert response.success is True
assert response.result == "Hello! How can I help?"
assert response.session_id == "new-session-uuid-123"
assert response.error is None
assert response.cost == 0.01
@pytest.mark.asyncio
async def test_session_resumption(self, runner, mock_process):
"""Test resuming an existing session with session_id.
Verifies that:
- --resume flag is included in command
- Session ID is passed correctly
- Response maintains session context
"""
existing_session_id = "existing-session-456"
stdout = self.create_mock_response(
result="You asked about Python before.",
session_id=existing_session_id
)
mock_process.communicate.return_value = (stdout, b"")
with patch('asyncio.create_subprocess_exec', return_value=mock_process) as mock_exec:
response = await runner.run(
message="What was I asking about?",
session_id=existing_session_id
)
# Verify --resume flag was added
call_args = mock_exec.call_args
cmd = call_args[0]
assert "--resume" in cmd
assert existing_session_id in cmd
assert response.success is True
assert response.session_id == existing_session_id
@pytest.mark.asyncio
async def test_timeout_handling(self, runner, mock_process):
"""Test subprocess timeout with asyncio.TimeoutError.
Verifies that:
- Process is killed on timeout
- Error response is returned
- Timeout duration is respected
"""
async def slow_communicate():
"""Simulate a slow response that times out."""
await asyncio.sleep(100) # Longer than timeout
return (b"", b"")
mock_process.communicate = slow_communicate
with patch('asyncio.create_subprocess_exec', return_value=mock_process):
response = await runner.run(
message="Slow command",
timeout=1 # 1 second timeout
)
assert response.success is False
assert "timed out" in response.error.lower()
assert mock_process.kill.called
@pytest.mark.asyncio
async def test_malformed_json_handling(self, runner, mock_process):
"""Test handling of malformed JSON output.
Verifies that:
- JSON parse errors are caught
- Error response is returned with details
- Raw output is logged for debugging
"""
stdout = b"This is not valid JSON {{{"
mock_process.communicate.return_value = (stdout, b"")
with patch('asyncio.create_subprocess_exec', return_value=mock_process):
response = await runner.run(message="Test")
assert response.success is False
assert "Malformed JSON" in response.error
@pytest.mark.asyncio
async def test_process_error_handling(self, runner, mock_process):
"""Test handling of non-zero exit codes.
Verifies that:
- Non-zero return codes are detected
- stderr is captured and returned
- Error response is generated
"""
mock_process.returncode = 1
stderr = b"Claude CLI error: Invalid token"
mock_process.communicate.return_value = (b"", stderr)
with patch('asyncio.create_subprocess_exec', return_value=mock_process):
response = await runner.run(message="Test")
assert response.success is False
assert "exited with code 1" in response.error
assert "Invalid token" in response.error
@pytest.mark.asyncio
async def test_claude_error_response(self, runner, mock_process):
"""Test handling of Claude API errors in JSON response.
Verifies that:
- is_error flag is detected
- Error message is extracted from result field
- Error response is returned
"""
stdout = self.create_mock_response(
result="API rate limit exceeded",
is_error=True
)
mock_process.communicate.return_value = (stdout, b"")
with patch('asyncio.create_subprocess_exec', return_value=mock_process):
response = await runner.run(message="Test")
assert response.success is False
assert "API rate limit exceeded" in response.error
@pytest.mark.asyncio
async def test_permission_denial_handling(self, runner, mock_process):
"""Test detection of permission denials.
Verifies that:
- permission_denials array is checked
- Error response is returned if permissions denied
- Denial details are included in error
"""
response_data = json.dumps({
"type": "result",
"is_error": False,
"result": "Cannot execute",
"session_id": "test-123",
"permission_denials": [{"tool": "Write", "reason": "Not allowed"}]
}).encode('utf-8')
mock_process.communicate.return_value = (response_data, b"")
with patch('asyncio.create_subprocess_exec', return_value=mock_process):
response = await runner.run(message="Test")
assert response.success is False
assert "Permission denied" in response.error
assert response.permission_denials is not None
@pytest.mark.asyncio
async def test_command_building_with_all_options(self, runner, mock_process):
"""Test command building with all optional parameters.
Verifies that:
- All flags are included in command
- Values are passed correctly
- Command structure is valid
"""
stdout = self.create_mock_response()
mock_process.communicate.return_value = (stdout, b"")
with patch('asyncio.create_subprocess_exec', return_value=mock_process) as mock_exec:
await runner.run(
message="Test message",
session_id="test-session",
allowed_tools=["Bash", "Read", "Write"],
system_prompt="Custom system prompt",
model="sonnet"
)
# Extract command from call
cmd = mock_exec.call_args[0]
# Verify all flags present
assert "claude" in cmd
assert "-p" in cmd
assert "Test message" in cmd
assert "--output-format" in cmd
assert "json" in cmd
assert "--permission-mode" in cmd
assert "bypassPermissions" in cmd
assert "--resume" in cmd
assert "test-session" in cmd
assert "--allowed-tools" in cmd
assert "Bash,Read,Write" in cmd
assert "--system-prompt" in cmd
assert "Custom system prompt" in cmd
assert "--model" in cmd
assert "sonnet" in cmd
@pytest.mark.asyncio
async def test_environment_preparation(self, runner, mock_process):
"""Test environment variable preparation.
Verifies that:
- CLAUDECODE is unset to allow nested sessions
- CLAUDE_CODE_OAUTH_TOKEN is set if provided
- Environment is passed to subprocess
"""
stdout = self.create_mock_response()
mock_process.communicate.return_value = (stdout, b"")
runner_with_token = ClaudeRunner(oauth_token="test-oauth-token")
with patch('asyncio.create_subprocess_exec', return_value=mock_process) as mock_exec:
with patch.dict('os.environ', {'CLAUDECODE': 'some-value'}):
await runner_with_token.run(message="Test")
# Check environment passed to subprocess
env = mock_exec.call_args[1]['env']
# CLAUDECODE should be removed
assert 'CLAUDECODE' not in env
# OAuth token should be set
assert env.get('CLAUDE_CODE_OAUTH_TOKEN') == 'test-oauth-token'
@pytest.mark.asyncio
async def test_cwd_parameter(self, runner, mock_process):
"""Test working directory parameter.
Verifies that:
- cwd is passed to subprocess
- Claude runs in the correct directory
"""
stdout = self.create_mock_response()
mock_process.communicate.return_value = (stdout, b"")
test_cwd = "/opt/projects/test-project"
with patch('asyncio.create_subprocess_exec', return_value=mock_process) as mock_exec:
await runner.run(
message="Test",
cwd=test_cwd
)
# Verify cwd was passed
assert mock_exec.call_args[1]['cwd'] == test_cwd
def test_parse_response_edge_cases(self, runner):
"""Test JSON parsing with various edge cases.
Verifies handling of:
- Empty result field
- Missing optional fields
- Unusual but valid JSON structures
"""
# Test with minimal valid response
minimal_json = json.dumps({
"is_error": False,
"result": ""
})
response = runner._parse_response(minimal_json)
assert response.success is True
assert response.result == ""
assert response.session_id is None
# Test with all optional fields present
complete_json = json.dumps({
"type": "result",
"subtype": "success",
"is_error": False,
"result": "Complete response",
"session_id": "uuid-123",
"total_cost_usd": 0.05,
"duration_ms": 5000,
"permission_denials": []
})
response = runner._parse_response(complete_json)
assert response.success is True
assert response.result == "Complete response"
assert response.session_id == "uuid-123"
assert response.cost == 0.05
assert response.duration_ms == 5000
# Integration test (requires actual Claude CLI installed)
@pytest.mark.integration
@pytest.mark.asyncio
async def test_real_claude_session():
"""Integration test with real Claude CLI (requires authentication).
This test is marked as integration and will be skipped unless
explicitly run with: pytest -m integration
Verifies:
- Real session creation works
- Session resumption preserves context
- JSON parsing works with real output
"""
runner = ClaudeRunner(default_timeout=60)
# Create new session
response1 = await runner.run(
message="Please respond with exactly: 'Integration test response'"
)
assert response1.success is True
assert "Integration test response" in response1.result
assert response1.session_id is not None
# Resume session
session_id = response1.session_id
response2 = await runner.run(
message="What did I just ask you to say?",
session_id=session_id
)
assert response2.success is True
assert response2.session_id == session_id
assert "Integration test response" in response2.result.lower()
if __name__ == "__main__":
# Run tests with: python -m pytest tests/test_claude_runner.py -v
pytest.main(["-v", __file__])

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"""
Test suite for SessionManager.
Tests database creation, CRUD operations, concurrent access, and edge cases.
Author: Claude Code
Created: 2026-02-13
"""
import asyncio
import logging
import os
import tempfile
from pathlib import Path
import pytest
# Add parent directory to path for imports
import sys
sys.path.insert(0, str(Path(__file__).parent.parent))
from claude_coordinator.session_manager import SessionManager
# Configure logging for tests
logging.basicConfig(
level=logging.DEBUG,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
@pytest.fixture
def temp_db():
"""Create a temporary database file for testing."""
with tempfile.NamedTemporaryFile(delete=False, suffix='.db') as f:
db_path = f.name
yield db_path
# Cleanup
try:
os.unlink(db_path)
# Also remove WAL and SHM files if they exist
for ext in ['-wal', '-shm']:
wal_path = db_path + ext
if os.path.exists(wal_path):
os.unlink(wal_path)
except Exception as e:
print(f"Warning: Could not clean up test database: {e}")
@pytest.fixture
async def manager(temp_db):
"""Create a SessionManager instance with temporary database."""
mgr = SessionManager(db_path=temp_db)
await mgr._initialize_db()
yield mgr
await mgr.close()
# Configure pytest-asyncio
pytest_plugins = ('pytest_asyncio',)
class TestSessionManagerInit:
"""Test database initialization and schema creation."""
@pytest.mark.asyncio
async def test_database_creation(self, temp_db):
"""
Test that database file is created and schema is initialized.
What: Verify database file creation and table schema
Why: Ensure proper initialization on first use
"""
async with SessionManager(db_path=temp_db) as manager:
assert manager._db is not None
assert Path(temp_db).exists()
# Verify sessions table exists
async with manager._db.execute(
"SELECT name FROM sqlite_master WHERE type='table' AND name='sessions'"
) as cursor:
result = await cursor.fetchone()
assert result is not None
assert result[0] == 'sessions'
@pytest.mark.asyncio
async def test_indexes_created(self, temp_db):
"""
Test that database indexes are created for performance.
What: Check for idx_last_active and idx_project_name indexes
Why: Indexes are critical for query performance
"""
async with SessionManager(db_path=temp_db) as manager:
async with manager._db.execute(
"SELECT name FROM sqlite_master WHERE type='index'"
) as cursor:
indexes = [row[0] for row in await cursor.fetchall()]
assert 'idx_last_active' in indexes
assert 'idx_project_name' in indexes
@pytest.mark.asyncio
async def test_default_db_path(self):
"""
Test that default database path is created in user home directory.
What: Verify ~/.claude-coordinator/sessions.db creation
Why: Users should get sensible defaults without configuration
"""
manager = SessionManager()
expected_dir = Path.home() / ".claude-coordinator"
expected_path = expected_dir / "sessions.db"
assert manager.db_path == str(expected_path)
# Cleanup if created
if expected_path.exists():
expected_path.unlink()
for ext in ['-wal', '-shm']:
wal_path = str(expected_path) + ext
if Path(wal_path).exists():
Path(wal_path).unlink()
class TestSessionCRUD:
"""Test Create, Read, Update, Delete operations for sessions."""
@pytest.mark.asyncio
async def test_save_new_session(self, manager):
"""
Test creating a new session.
What: Save a new session and verify it's stored correctly
Why: Session creation is core functionality
"""
await manager.save_session(
channel_id="123456",
session_id="sess_abc123",
project_name="major-domo"
)
session = await manager.get_session("123456")
assert session is not None
assert session['channel_id'] == "123456"
assert session['session_id'] == "sess_abc123"
assert session['project_name'] == "major-domo"
assert session['message_count'] == 0
@pytest.mark.asyncio
async def test_save_session_without_project(self, manager):
"""
Test creating a session without a project name.
What: Save session with project_name=None
Why: Project name should be optional
"""
await manager.save_session(
channel_id="789012",
session_id="sess_xyz789"
)
session = await manager.get_session("789012")
assert session is not None
assert session['session_id'] == "sess_xyz789"
assert session['project_name'] is None
@pytest.mark.asyncio
async def test_update_existing_session(self, manager):
"""
Test updating an existing session with new session_id.
What: Save a session, then save again with different session_id
Why: Sessions need to be updateable when Claude sessions change
"""
# Create initial session
await manager.save_session(
channel_id="123456",
session_id="sess_old",
project_name="project-a"
)
# Update with new session_id
await manager.save_session(
channel_id="123456",
session_id="sess_new",
project_name="project-b"
)
session = await manager.get_session("123456")
assert session['session_id'] == "sess_new"
assert session['project_name'] == "project-b"
@pytest.mark.asyncio
async def test_get_nonexistent_session(self, manager):
"""
Test retrieving a session that doesn't exist.
What: Call get_session for channel with no session
Why: Should return None gracefully, not error
"""
session = await manager.get_session("nonexistent")
assert session is None
@pytest.mark.asyncio
async def test_reset_session(self, manager):
"""
Test deleting a session.
What: Create session, reset it, verify it's gone
Why: /reset command needs to clear sessions
"""
await manager.save_session(
channel_id="123456",
session_id="sess_abc123"
)
deleted = await manager.reset_session("123456")
assert deleted is True
session = await manager.get_session("123456")
assert session is None
@pytest.mark.asyncio
async def test_reset_nonexistent_session(self, manager):
"""
Test resetting a session that doesn't exist.
What: Call reset_session for channel with no session
Why: Should return False, not error
"""
deleted = await manager.reset_session("nonexistent")
assert deleted is False
class TestSessionActivity:
"""Test session activity tracking."""
@pytest.mark.asyncio
async def test_update_activity(self, manager):
"""
Test updating last_active and incrementing message_count.
What: Create session, update activity multiple times, verify counters
Why: Activity tracking is essential for monitoring
"""
await manager.save_session(
channel_id="123456",
session_id="sess_abc123"
)
# Update activity 3 times
await manager.update_activity("123456")
await manager.update_activity("123456")
await manager.update_activity("123456")
session = await manager.get_session("123456")
assert session['message_count'] == 3
@pytest.mark.asyncio
async def test_update_activity_updates_timestamp(self, manager):
"""
Test that update_activity changes last_active timestamp.
What: Create session, wait, update activity, check timestamp changed
Why: Timestamp tracking is needed for session management
"""
await manager.save_session(
channel_id="123456",
session_id="sess_abc123"
)
session1 = await manager.get_session("123456")
original_timestamp = session1['last_active']
# Small delay to ensure timestamp difference
await asyncio.sleep(0.1)
await manager.update_activity("123456")
session2 = await manager.get_session("123456")
new_timestamp = session2['last_active']
assert new_timestamp >= original_timestamp
class TestSessionListing:
"""Test listing and querying multiple sessions."""
@pytest.mark.asyncio
async def test_list_empty_sessions(self, manager):
"""
Test listing when no sessions exist.
What: Call list_sessions on empty database
Why: Should return empty list, not error
"""
sessions = await manager.list_sessions()
assert sessions == []
@pytest.mark.asyncio
async def test_list_multiple_sessions(self, manager):
"""
Test listing multiple sessions.
What: Create 3 sessions, list them, verify order
Why: Bot needs to view all active sessions
"""
await manager.save_session("channel1", "sess1", "project-a")
await asyncio.sleep(0.01) # Small delay for timestamp ordering
await manager.save_session("channel2", "sess2", "project-b")
await asyncio.sleep(0.01)
await manager.save_session("channel3", "sess3", "project-c")
sessions = await manager.list_sessions()
assert len(sessions) == 3
# Should be ordered by last_active DESC (most recent first)
assert sessions[0]['channel_id'] == "channel3"
assert sessions[1]['channel_id'] == "channel2"
assert sessions[2]['channel_id'] == "channel1"
@pytest.mark.asyncio
async def test_list_sessions_after_activity(self, manager):
"""
Test that list_sessions ordering changes after activity updates.
What: Create sessions, update activity on older one, verify reordering
Why: Most active sessions should appear first
"""
await manager.save_session("channel1", "sess1")
await asyncio.sleep(1.1) # SQLite CURRENT_TIMESTAMP has 1-second precision
await manager.save_session("channel2", "sess2")
# Update activity on channel1 (older session)
await asyncio.sleep(1.1) # SQLite CURRENT_TIMESTAMP has 1-second precision
await manager.update_activity("channel1")
sessions = await manager.list_sessions()
# channel1 should now be first (most recent activity)
assert sessions[0]['channel_id'] == "channel1"
assert sessions[1]['channel_id'] == "channel2"
class TestSessionStats:
"""Test session statistics and analytics."""
@pytest.mark.asyncio
async def test_stats_empty_database(self, manager):
"""
Test statistics on empty database.
What: Get stats when no sessions exist
Why: Should return zeros/nulls, not error
"""
stats = await manager.get_stats()
assert stats['total_sessions'] == 0
assert stats['total_messages'] == 0
assert stats['active_projects'] == 0
assert stats['most_active_channel'] is None
assert stats['oldest_session'] is None
assert stats['newest_session'] is None
@pytest.mark.asyncio
async def test_stats_with_sessions(self, manager):
"""
Test statistics calculation with multiple sessions.
What: Create sessions with varying activity, check stats
Why: Stats are used for monitoring and debugging
"""
await manager.save_session("channel1", "sess1", "project-a")
await manager.save_session("channel2", "sess2", "project-b")
await manager.save_session("channel3", "sess3", "project-a") # Same project
await manager.save_session("channel4", "sess4") # No project
# Add some message activity
for _ in range(5):
await manager.update_activity("channel1")
for _ in range(3):
await manager.update_activity("channel2")
stats = await manager.get_stats()
assert stats['total_sessions'] == 4
assert stats['total_messages'] == 8 # 5 + 3 + 0 + 0
assert stats['active_projects'] == 2 # project-a and project-b (not counting None)
assert stats['most_active_channel'] == "channel1"
@pytest.mark.asyncio
async def test_stats_oldest_newest(self, manager):
"""
Test oldest and newest session tracking.
What: Create sessions in sequence, verify oldest/newest detection
Why: Useful for session lifecycle management
"""
await manager.save_session("channel1", "sess1")
await asyncio.sleep(1.1) # SQLite CURRENT_TIMESTAMP has 1-second precision
await manager.save_session("channel2", "sess2")
await asyncio.sleep(1.1) # SQLite CURRENT_TIMESTAMP has 1-second precision
await manager.save_session("channel3", "sess3")
stats = await manager.get_stats()
assert stats['oldest_session'] == "channel1"
assert stats['newest_session'] == "channel3"
class TestConcurrentAccess:
"""Test concurrent access and thread safety."""
@pytest.mark.asyncio
async def test_concurrent_reads(self, manager):
"""
Test multiple concurrent read operations.
What: Create session, then read it from multiple coroutines simultaneously
Why: Bot handles multiple channels concurrently
"""
await manager.save_session("channel1", "sess1", "project-a")
# Launch 10 concurrent reads
tasks = [manager.get_session("channel1") for _ in range(10)]
results = await asyncio.gather(*tasks)
# All reads should succeed
assert all(r is not None for r in results)
assert all(r['session_id'] == "sess1" for r in results)
@pytest.mark.asyncio
async def test_concurrent_writes(self, manager):
"""
Test multiple concurrent write operations.
What: Create multiple sessions concurrently
Why: Multiple channels may save sessions simultaneously
"""
tasks = [
manager.save_session(f"channel{i}", f"sess{i}", "project-a")
for i in range(10)
]
await asyncio.gather(*tasks)
# Verify all sessions were created
sessions = await manager.list_sessions()
assert len(sessions) == 10
@pytest.mark.asyncio
async def test_concurrent_updates_same_channel(self, manager):
"""
Test concurrent activity updates on the same channel.
What: Update activity on one channel from multiple coroutines
Why: Ensures atomicity and prevents race conditions
"""
await manager.save_session("channel1", "sess1")
# Update activity 20 times concurrently
tasks = [manager.update_activity("channel1") for _ in range(20)]
await asyncio.gather(*tasks)
session = await manager.get_session("channel1")
assert session['message_count'] == 20
@pytest.mark.asyncio
async def test_concurrent_mixed_operations(self, manager):
"""
Test mixed concurrent operations (reads, writes, updates).
What: Perform saves, gets, updates, and lists concurrently
Why: Real-world usage has mixed concurrent operations
"""
# Create initial session
await manager.save_session("channel1", "sess1")
# Mix of operations
tasks = [
manager.get_session("channel1"),
manager.update_activity("channel1"),
manager.save_session("channel2", "sess2"),
manager.list_sessions(),
manager.get_session("channel2"),
manager.update_activity("channel1"),
]
# All should complete without error
await asyncio.gather(*tasks)
# Verify final state
session1 = await manager.get_session("channel1")
session2 = await manager.get_session("channel2")
assert session1 is not None
assert session2 is not None
assert session1['message_count'] == 2
class TestContextManager:
"""Test async context manager usage."""
@pytest.mark.asyncio
async def test_context_manager_cleanup(self, temp_db):
"""
Test that context manager properly closes database connection.
What: Use SessionManager with async context manager, verify cleanup
Why: Proper resource cleanup prevents database lock issues
"""
manager = SessionManager(db_path=temp_db)
async with manager:
await manager.save_session("channel1", "sess1")
assert manager._db is not None
# Connection should be closed after exiting context
assert manager._db is None
@pytest.mark.asyncio
async def test_context_manager_exception_handling(self, temp_db):
"""
Test that context manager closes connection even on exception.
What: Raise exception inside context, verify cleanup still happens
Why: Resources must be cleaned up even on errors
"""
manager = SessionManager(db_path=temp_db)
try:
async with manager:
await manager.save_session("channel1", "sess1")
raise ValueError("Test exception")
except ValueError:
pass
# Connection should still be closed
assert manager._db is None
class TestEdgeCases:
"""Test edge cases and error conditions."""
@pytest.mark.asyncio
async def test_empty_channel_id(self, manager):
"""
Test handling of empty channel_id.
What: Save/get session with empty string channel_id
Why: Should handle edge case gracefully
"""
await manager.save_session("", "sess1", "project-a")
session = await manager.get_session("")
assert session is not None
assert session['channel_id'] == ""
@pytest.mark.asyncio
async def test_very_long_ids(self, manager):
"""
Test handling of very long channel and session IDs.
What: Save session with 1000-character IDs
Why: Ensure no unexpected length limits
"""
long_channel = "c" * 1000
long_session = "s" * 1000
await manager.save_session(long_channel, long_session)
session = await manager.get_session(long_channel)
assert session is not None
assert session['channel_id'] == long_channel
assert session['session_id'] == long_session
@pytest.mark.asyncio
async def test_special_characters_in_ids(self, manager):
"""
Test handling of special characters in IDs.
What: Use IDs with quotes, newlines, unicode
Why: Ensure proper SQL escaping
"""
special_channel = "channel'with\"quotes\nand\ttabs"
special_session = "sess🎉with📊unicode"
await manager.save_session(special_channel, special_session)
session = await manager.get_session(special_channel)
assert session is not None
assert session['channel_id'] == special_channel
assert session['session_id'] == special_session
# Performance test (optional, can be slow)
class TestPerformance:
"""Test performance characteristics (can be skipped for quick tests)."""
@pytest.mark.asyncio
@pytest.mark.slow
async def test_large_number_of_sessions(self, manager):
"""
Test handling of large number of sessions.
What: Create 1000 sessions and verify operations remain fast
Why: Bot may accumulate many sessions over time
"""
# Create 1000 sessions
for i in range(1000):
await manager.save_session(f"channel{i}", f"sess{i}", f"project{i % 10}")
# List should still be reasonably fast
sessions = await manager.list_sessions()
assert len(sessions) == 1000
# Stats should work
stats = await manager.get_stats()
assert stats['total_sessions'] == 1000
if __name__ == "__main__":
# Run tests with pytest
import pytest
pytest.main([__file__, "-v", "-s"])