import os
from unittest.mock import patch
from greptimedb_mcp_server.config import Config
def test_config_default_values():
"""
Test default configuration values
"""
with patch.dict(os.environ, {}, clear=True):
with patch("sys.argv", ["script_name"]):
config = Config.from_env_arguments()
assert config.host == "localhost"
assert config.port == 4002
assert config.database == "public"
assert config.user == ""
assert config.password == ""
assert config.time_zone == ""
def test_config_env_variables():
"""
Test configuration via environment variables
"""
env_vars = {
"GREPTIMEDB_HOST": "test-host",
"GREPTIMEDB_PORT": "5432",
"GREPTIMEDB_DATABASE": "test_db",
"GREPTIMEDB_USER": "test_user",
"GREPTIMEDB_PASSWORD": "test_password",
"GREPTIMEDB_TIMEZONE": "test_tz",
}
with patch.dict(os.environ, env_vars):
with patch("sys.argv", ["script_name"]):
config = Config.from_env_arguments()
assert config.host == "test-host"
assert config.port == 5432
assert config.database == "test_db"
assert config.user == "test_user"
assert config.password == "test_password"
assert config.time_zone == "test_tz"
def test_config_cli_arguments():
"""
Test configuration via command-line arguments
"""
cli_args = [
"script_name",
"--host",
"cli-host",
"--port",
"9999",
"--database",
"cli_db",
"--user",
"cli_user",
"--password",
"cli_password",
"--timezone",
"cli_tz",
]
with patch.dict(os.environ, {}, clear=True):
with patch("sys.argv", cli_args):
config = Config.from_env_arguments()
assert config.host == "cli-host"
assert config.port == 9999
assert config.database == "cli_db"
assert config.user == "cli_user"
assert config.password == "cli_password"
assert config.time_zone == "cli_tz"
def test_config_precedence():
"""
Test configuration precedence (CLI arguments override environment variables)
"""
env_vars = {
"GREPTIMEDB_HOST": "env-host",
"GREPTIMEDB_PORT": "6666",
"GREPTIMEDB_DATABASE": "env_db",
"GREPTIMEDB_USER": "env_user",
"GREPTIMEDB_PASSWORD": "env_password",
"GREPTIMEDB_TIMEZONE": "env_tz",
}
cli_args = [
"script_name",
"--host",
"cli-host",
"--port",
"9999",
"--database",
"cli_db",
"--user",
"cli_user",
"--password",
"cli_password",
"--timezone",
"cli_tz",
]
with patch.dict(os.environ, env_vars):
with patch("sys.argv", cli_args):
config = Config.from_env_arguments()
assert config.host == "cli-host"
assert config.port == 9999
assert config.database == "cli_db"
assert config.user == "cli_user"
assert config.password == "cli_password"
assert config.time_zone == "cli_tz"
def test_config_object_creation():
"""
Test direct creation of Config object
"""
config = Config(
host="manual-host",
port=1234,
database="manual_db",
user="manual_user",
password="manual_password",
time_zone="manual_timezone",
)
assert config.host == "manual-host"
assert config.port == 1234
assert config.database == "manual_db"
assert config.user == "manual_user"
assert config.password == "manual_password"
assert config.time_zone == "manual_timezone"