Files
hermes-agent/tests/tools/test_parse_env_var.py

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Python

"""Tests for _parse_env_var and _get_env_config env-var validation."""
import json
from unittest.mock import patch
import pytest
import sys
import tools.terminal_tool # noqa: F401 -- ensure module is loaded
_tt_mod = sys.modules["tools.terminal_tool"]
from tools.terminal_tool import _parse_env_var
class TestParseEnvVar:
"""Unit tests for _parse_env_var."""
# -- valid values work normally --
def test_valid_int(self):
with patch.dict("os.environ", {"TERMINAL_TIMEOUT": "300"}):
assert _parse_env_var("TERMINAL_TIMEOUT", "180") == 300
def test_valid_float(self):
with patch.dict("os.environ", {"TERMINAL_CONTAINER_CPU": "2.5"}):
assert _parse_env_var("TERMINAL_CONTAINER_CPU", "1", float, "number") == 2.5
def test_valid_json(self):
volumes = '["/host:/container"]'
with patch.dict("os.environ", {"TERMINAL_DOCKER_VOLUMES": volumes}):
result = _parse_env_var("TERMINAL_DOCKER_VOLUMES", "[]", json.loads, "valid JSON")
assert result == ["/host:/container"]
def test_falls_back_to_default(self):
with patch.dict("os.environ", {}, clear=False):
# Remove the var if it exists, rely on default
import os
env = os.environ.copy()
env.pop("TERMINAL_TIMEOUT", None)
with patch.dict("os.environ", env, clear=True):
assert _parse_env_var("TERMINAL_TIMEOUT", "180") == 180
# -- invalid int raises ValueError with env var name --
def test_invalid_int_raises_with_var_name(self):
with patch.dict("os.environ", {"TERMINAL_TIMEOUT": "5m"}):
with pytest.raises(ValueError, match="TERMINAL_TIMEOUT"):
_parse_env_var("TERMINAL_TIMEOUT", "180")
def test_invalid_int_includes_bad_value(self):
with patch.dict("os.environ", {"TERMINAL_SSH_PORT": "ssh"}):
with pytest.raises(ValueError, match="ssh"):
_parse_env_var("TERMINAL_SSH_PORT", "22")
# -- invalid JSON raises ValueError with env var name --
def test_invalid_json_raises_with_var_name(self):
with patch.dict("os.environ", {"TERMINAL_DOCKER_VOLUMES": "/host:/container"}):
with pytest.raises(ValueError, match="TERMINAL_DOCKER_VOLUMES"):
_parse_env_var("TERMINAL_DOCKER_VOLUMES", "[]", json.loads, "valid JSON")
def test_invalid_json_includes_type_label(self):
with patch.dict("os.environ", {"TERMINAL_DOCKER_VOLUMES": "not json"}):
with pytest.raises(ValueError, match="valid JSON"):
_parse_env_var("TERMINAL_DOCKER_VOLUMES", "[]", json.loads, "valid JSON")