feat: add test suite for core modules

tests/test_config.py

@@ -0,0 +1,51 @@
+"""Test configuration loading."""
+
+from cli_memory.config import Config
+
+
+def test_config_init():
+    """Test Config initialization."""
+    config = Config()
+    assert config is not None
+    assert config._config is not None
+
+
+def test_config_get():
+    """Test Config.get method."""
+    config = Config()
+
+    assert config.get("database.path") is not None
+    assert config.get("recording.max_commands_per_workflow") == 100
+    assert config.get("nonexistent.key", "default") == "default"
+
+
+def test_config_set():
+    """Test Config.set method."""
+    config = Config()
+    config.set("test.value", "test_data")
+    assert config.get("test.value") == "test_data"
+
+
+def test_config_get_home_dir():
+    """Test Config.get_home_dir."""
+    config = Config()
+    home = config.get_home_dir()
+    assert home is not None
+    assert "~" not in home
+
+
+def test_config_ensure_directories():
+    """Test Config.ensure_directories."""
+    import os
+    config = Config()
+    config.ensure_directories()
+    home = config.get_home_dir()
+    assert os.path.exists(home)
+
+
+def test_config_reload():
+    """Test Config.reload."""
+    config = Config()
+    config.set("test.key", "value")
+    config.reload()
+    assert config.get("test.key") is None