"""Tests for configuration module."""

import os

from network_mcp.config import get_default_community, get_snmp_timeout


def test_default_community_from_env(monkeypatch):
    monkeypatch.setenv("SNMP_COMMUNITY", "my_secret")
    assert get_default_community() == "my_secret"


def test_default_community_fallback(monkeypatch):
    monkeypatch.delenv("SNMP_COMMUNITY", raising=False)
    # Without config file, should return "public"
    monkeypatch.setenv("NETWORK_MCP_CONFIG_DIR", "/tmp/nonexistent-mcp-test")
    assert get_default_community() == "public"


def test_snmp_timeout_from_env(monkeypatch):
    monkeypatch.setenv("SNMP_TIMEOUT", "10.0")
    assert get_snmp_timeout() == 10.0


def test_snmp_timeout_default(monkeypatch):
    monkeypatch.delenv("SNMP_TIMEOUT", raising=False)
    assert get_snmp_timeout() == 5.0