moved tests out of src, added more test cases

tests/test_config.py

@@ -0,0 +1,30 @@
+import os
+from typing import assert_type
+
+import pytest
+
+from src.config import Config
+
+
+@pytest.fixture
+def config() -> Config:
+    config = Config(path="testfiles", filename="configtest.ini")
+    return config
+
+def teardown_config():
+    print("tearing down config test")
+
+def test_construction(config):
+    assert_type(config, Config)
+
+def test_file_creation(config):
+    config._save()
+    assert os.path.isfile(os.path.join(config.path, config.filename))
+
+def test_add_section(config):
+    config.add_section("test_section")
+    assert "test_section" in config.parser.sections()
+
+def test_set_and_get(config):
+    config.set(section="section", option="option", value="value")
+    assert config.get(section="section", option="option") == "value"