reflex/tests/units/test_config.py
benedikt-bartscher 08d8d54b50
port enum env var support from #4248 (#4251)
* port enum env var support from #4248

* add some tests for interpret env var functions
2024-10-28 11:56:40 -07:00

245 lines
7.2 KiB
Python

import multiprocessing
import os
from pathlib import Path
from typing import Any, Dict
import pytest
import reflex as rx
import reflex.config
from reflex.config import (
environment,
interpret_boolean_env,
interpret_enum_env,
interpret_int_env,
)
from reflex.constants import Endpoint, Env
def test_requires_app_name():
"""Test that a config requires an app_name."""
with pytest.raises(ValueError):
rx.Config() # type: ignore
def test_set_app_name(base_config_values):
"""Test that the app name is set to the value passed in.
Args:
base_config_values: Config values.
"""
config = rx.Config(**base_config_values)
assert config.app_name == base_config_values["app_name"]
@pytest.mark.parametrize(
"env_var, value",
[
("APP_NAME", "my_test_app"),
("FRONTEND_PORT", 3001),
("FRONTEND_PATH", "/test"),
("BACKEND_PORT", 8001),
("API_URL", "https://mybackend.com:8000"),
("DEPLOY_URL", "https://myfrontend.com"),
("BACKEND_HOST", "127.0.0.1"),
("DB_URL", "postgresql://user:pass@localhost:5432/db"),
("REDIS_URL", "redis://localhost:6379"),
("TIMEOUT", 600),
("TELEMETRY_ENABLED", False),
("TELEMETRY_ENABLED", True),
],
)
def test_update_from_env(
base_config_values: Dict[str, Any],
monkeypatch: pytest.MonkeyPatch,
env_var: str,
value: Any,
):
"""Test that environment variables override config values.
Args:
base_config_values: Config values.
monkeypatch: The pytest monkeypatch object.
env_var: The environment variable name.
value: The environment variable value.
"""
monkeypatch.setenv(env_var, str(value))
assert os.environ.get(env_var) == str(value)
config = rx.Config(**base_config_values)
assert getattr(config, env_var.lower()) == value
def test_update_from_env_path(
base_config_values: Dict[str, Any],
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
):
"""Test that environment variables override config values.
Args:
base_config_values: Config values.
monkeypatch: The pytest monkeypatch object.
tmp_path: The pytest tmp_path fixture object.
"""
monkeypatch.setenv("BUN_PATH", "/test")
assert os.environ.get("BUN_PATH") == "/test"
with pytest.raises(ValueError):
rx.Config(**base_config_values)
monkeypatch.setenv("BUN_PATH", str(tmp_path))
assert os.environ.get("BUN_PATH") == str(tmp_path)
config = rx.Config(**base_config_values)
assert config.bun_path == tmp_path
@pytest.mark.parametrize(
"kwargs, expected",
[
(
{"app_name": "test_app", "api_url": "http://example.com"},
f"{Endpoint.EVENT}",
),
(
{"app_name": "test_app", "api_url": "http://example.com/api"},
f"/api{Endpoint.EVENT}",
),
],
)
def test_event_namespace(mocker, kwargs, expected):
"""Test the event namespace.
Args:
mocker: The pytest mock object.
kwargs: The Config kwargs.
expected: Expected namespace
"""
conf = rx.Config(**kwargs)
mocker.patch("reflex.config.get_config", return_value=conf)
config = reflex.config.get_config()
assert conf == config
assert config.get_event_namespace() == expected
DEFAULT_CONFIG = rx.Config(app_name="a")
@pytest.mark.parametrize(
("config_kwargs", "env_vars", "set_persistent_vars", "exp_config_values"),
[
(
{},
{},
{},
{
"api_url": DEFAULT_CONFIG.api_url,
"backend_port": DEFAULT_CONFIG.backend_port,
"deploy_url": DEFAULT_CONFIG.deploy_url,
"frontend_port": DEFAULT_CONFIG.frontend_port,
},
),
# Ports set in config kwargs
(
{"backend_port": 8001, "frontend_port": 3001},
{},
{},
{
"api_url": "http://localhost:8001",
"backend_port": 8001,
"deploy_url": "http://localhost:3001",
"frontend_port": 3001,
},
),
# Ports set in environment take precedence
(
{"backend_port": 8001, "frontend_port": 3001},
{"BACKEND_PORT": 8002},
{},
{
"api_url": "http://localhost:8002",
"backend_port": 8002,
"deploy_url": "http://localhost:3001",
"frontend_port": 3001,
},
),
# Ports set on the command line take precedence
(
{"backend_port": 8001, "frontend_port": 3001},
{"BACKEND_PORT": 8002},
{"frontend_port": "3005"},
{
"api_url": "http://localhost:8002",
"backend_port": 8002,
"deploy_url": "http://localhost:3005",
"frontend_port": 3005,
},
),
# api_url / deploy_url already set should not be overridden
(
{"api_url": "http://foo.bar:8900", "deploy_url": "http://foo.bar:3001"},
{"BACKEND_PORT": 8002},
{"frontend_port": "3005"},
{
"api_url": "http://foo.bar:8900",
"backend_port": 8002,
"deploy_url": "http://foo.bar:3001",
"frontend_port": 3005,
},
),
],
)
def test_replace_defaults(
monkeypatch,
config_kwargs,
env_vars,
set_persistent_vars,
exp_config_values,
):
"""Test that the config replaces defaults with values from the environment.
Args:
monkeypatch: The pytest monkeypatch object.
config_kwargs: The config kwargs.
env_vars: The environment variables.
set_persistent_vars: The values passed to config._set_persistent variables.
exp_config_values: The expected config values.
"""
mock_os_env = os.environ.copy()
monkeypatch.setattr(reflex.config.os, "environ", mock_os_env) # type: ignore
mock_os_env.update({k: str(v) for k, v in env_vars.items()})
c = rx.Config(app_name="a", **config_kwargs)
c._set_persistent(**set_persistent_vars)
for key, value in exp_config_values.items():
assert getattr(c, key) == value
def reflex_dir_constant() -> Path:
return environment.REFLEX_DIR
def test_reflex_dir_env_var(monkeypatch: pytest.MonkeyPatch, tmp_path: Path) -> None:
"""Test that the REFLEX_DIR environment variable is used to set the Reflex.DIR constant.
Args:
monkeypatch: The pytest monkeypatch object.
tmp_path: The pytest tmp_path object.
"""
monkeypatch.setenv("REFLEX_DIR", str(tmp_path))
mp_ctx = multiprocessing.get_context(method="spawn")
with mp_ctx.Pool(processes=1) as pool:
assert pool.apply(reflex_dir_constant) == tmp_path
def test_interpret_enum_env() -> None:
assert interpret_enum_env(Env.PROD.value, Env, "REFLEX_ENV") == Env.PROD
def test_interpret_int_env() -> None:
assert interpret_int_env("3001", "FRONTEND_PORT") == 3001
@pytest.mark.parametrize("value, expected", [("true", True), ("false", False)])
def test_interpret_bool_env(value: str, expected: bool) -> None:
assert interpret_boolean_env(value, "TELEMETRY_ENABLED") == expected