"""Tests for the config module."""
import pytest
from emqx_mcp_server.config import EMQXConfig
class TestEMQXConfig:
"""Tests for EMQXConfig dataclass."""
def test_valid_config(self):
config = EMQXConfig(
api_url="https://example.com/api/v5",
api_key="test-key",
api_secret="test-secret",
)
# Should not raise
config.validate()
def test_missing_all(self):
config = EMQXConfig(api_url="", api_key="", api_secret="")
with pytest.raises(ValueError, match="EMQX_API_URL"):
config.validate()
def test_missing_partial(self):
config = EMQXConfig(
api_url="https://example.com/api/v5",
api_key="",
api_secret="",
)
with pytest.raises(ValueError, match="EMQX_API_KEY") as exc_info:
config.validate()
assert "EMQX_API_SECRET" in str(exc_info.value)
assert "EMQX_API_URL" not in str(exc_info.value)
def test_frozen(self):
config = EMQXConfig(api_url="url", api_key="key", api_secret="secret")
with pytest.raises(AttributeError):
config.api_url = "changed"
class TestLoadConfig:
"""Tests for load_config()."""
def test_loads_from_env(self, monkeypatch):
monkeypatch.setenv("EMQX_API_URL", "https://test.emqx.com")
monkeypatch.setenv("EMQX_API_KEY", "my-key")
monkeypatch.setenv("EMQX_API_SECRET", "my-secret")
from emqx_mcp_server.config import load_config
config = load_config()
assert config.api_url == "https://test.emqx.com"
assert config.api_key == "my-key"
assert config.api_secret == "my-secret"
def test_defaults_to_empty(self, monkeypatch):
monkeypatch.delenv("EMQX_API_URL", raising=False)
monkeypatch.delenv("EMQX_API_KEY", raising=False)
monkeypatch.delenv("EMQX_API_SECRET", raising=False)
from emqx_mcp_server.config import load_config
config = load_config()
assert config.api_url == ""
assert config.api_key == ""
assert config.api_secret == ""
class TestValidateConfig:
"""Tests for validate_config() module-level function."""
def test_validate_config_success(self, monkeypatch):
"""Test validate_config succeeds with valid env vars."""
monkeypatch.setenv("EMQX_API_URL", "https://test.emqx.com")
monkeypatch.setenv("EMQX_API_KEY", "my-key")
monkeypatch.setenv("EMQX_API_SECRET", "my-secret")
# validate_config() uses module-level _config which was loaded at import time.
# We test via EMQXConfig.validate() directly for unit correctness.
config = EMQXConfig(
api_url="https://test.emqx.com",
api_key="my-key",
api_secret="my-secret",
)
# Should not raise
config.validate()
def test_validate_config_raises_on_missing(self):
"""Test validate_config raises ValueError with missing env vars."""
config = EMQXConfig(api_url="", api_key="", api_secret="")
with pytest.raises(ValueError, match="Missing required environment variables"):
config.validate()
def test_validate_config_reports_only_missing(self):
"""Test that only missing fields are reported."""
config = EMQXConfig(api_url="https://ok.com", api_key="key", api_secret="")
with pytest.raises(ValueError, match="EMQX_API_SECRET") as exc_info:
config.validate()
assert "EMQX_API_URL" not in str(exc_info.value)
assert "EMQX_API_KEY" not in str(exc_info.value)
