test with a temporary config folder

tests/config/test_config.py

@@ -0,0 +1,26 @@
+import os
+from pathlib import Path
+
+import pytest
+
+import agml.backend.config as cfg
+
+
+def test_config_setup():
+    """Test that the config directory is set up correctly."""
+    tmp_config_dir = Path(os.getenv("AGML_CONFIG_DIR"))
+    # Check if the config directory exists
+    assert tmp_config_dir.exists()
+
+    # Check that the SUPER_BASE_DIR is set correctly
+    assert cfg.SUPER_BASE_DIR == tmp_config_dir
+
+    # Check that the default config file is created and valid parameters are accessible
+    default_config_file = tmp_config_dir / "config.json"
+    assert default_config_file.exists()
+
+    assert cfg.data_save_path() == cfg._get_config("data_path")
+    assert cfg.model_save_path() == cfg._get_config("model_path")
+    assert cfg.synthetic_data_save_path() == cfg._get_config("synthetic_data_path")
+
+

tests/conftest.py

@@ -0,0 +1,17 @@
+import os
+from pathlib import Path
+import shutil
+
+import pytest
+
+from pytest import TempPathFactory
+
+
+def pytest_sessionstart(session):
+    """
+    Called before the whole run, right before
+    returning the exit status to the system.
+    """
+    tmp_path_factory: TempPathFactory = session.config._tmp_path_factory
+    tmp_config_dir: Path = tmp_path_factory.mktemp("agml")
+    os.environ["AGML_CONFIG_DIR"] = str(tmp_config_dir)