"""Tests for terminal backend selection."""
import pytest
import maniple_mcp.terminal_backends as terminal_backends
from maniple_mcp.config import ClaudeTeamConfig, ConfigError, TerminalConfig
from maniple_mcp.terminal_backends import select_backend_id
def test_select_backend_id_env_overrides_config():
"""Environment variable should override config backend."""
env = {"MANIPLE_TERMINAL_BACKEND": "ITERM"}
config = ClaudeTeamConfig(terminal=TerminalConfig(backend="tmux"))
assert select_backend_id(env=env, config=config) == "iterm"
def test_select_backend_id_deprecated_env_overrides_config():
"""Deprecated CLAUDE_TEAM_TERMINAL_BACKEND should still override config."""
env = {"CLAUDE_TEAM_TERMINAL_BACKEND": "TMUX"}
config = ClaudeTeamConfig(terminal=TerminalConfig(backend="iterm"))
assert select_backend_id(env=env, config=config) == "tmux"
def test_select_backend_id_env_precedence():
"""MANIPLE_TERMINAL_BACKEND should take precedence over CLAUDE_TEAM_TERMINAL_BACKEND."""
env = {"MANIPLE_TERMINAL_BACKEND": "iterm", "CLAUDE_TEAM_TERMINAL_BACKEND": "tmux"}
config = ClaudeTeamConfig(terminal=TerminalConfig(backend="tmux"))
assert select_backend_id(env=env, config=config) == "iterm"
def test_select_backend_id_uses_config_when_env_missing():
"""Config backend should be used when env var is missing."""
env = {}
config = ClaudeTeamConfig(terminal=TerminalConfig(backend="tmux"))
assert select_backend_id(env=env, config=config) == "tmux"
def test_select_backend_id_auto_detects_tmux():
"""Auto-detect should select tmux when TMUX env var is set."""
env = {"TMUX": "1"}
config = ClaudeTeamConfig(terminal=TerminalConfig(backend=None))
assert select_backend_id(env=env, config=config) == "tmux"
def test_select_backend_id_defaults_to_iterm():
"""Auto-detect should default to iterm when no signal is present."""
env = {}
config = ClaudeTeamConfig(terminal=TerminalConfig(backend=None))
assert select_backend_id(env=env, config=config) == "iterm"
def test_select_backend_id_invalid_config_falls_back(monkeypatch, caplog):
"""Invalid config should fall back to auto-detect defaults."""
env = {}
def raise_config_error():
raise ConfigError("invalid config")
monkeypatch.setattr(terminal_backends, "load_config", raise_config_error)
with caplog.at_level("WARNING"):
assert select_backend_id(env=env, config=None) == "iterm"
assert "Invalid config file; ignoring terminal backend override" in caplog.text
