"""Create persistent changes for the test environment.

The goal of those changes is to be able to test mechanisms without
touching specific parts of our architecture. For instance: tests should be
running against a database – but this database does not have to be our live
database, it should be a 'in memory' db.
"""

from unittest.mock import MagicMock, patch

import pytest
from owsrequest import request

from grass import api, config


def pytest_runtest_setup():
    """Setup before each test."""
    config.environment = config.TEST_ENVIRONMENT
    request.create_authorization = MagicMock()


@pytest.fixture(autouse=True)
def mock_datadog_globals():
    """Mock Datadog API for all tests."""
    with patch('grass.connectors.datadog.api') as mock_api, patch(
        'grass.connectors.datadog.initialize'
    ) as mock_init:
        yield


@pytest.fixture
def app():
    """Get the application.

    Returns:
        TornadoWeb: Grass's application.
    """
    return api.app