adding test for settings

screenpy_selenium/configuration.py

@@ -13,11 +13,11 @@ class ScreenPySeleniumSettings(ScreenPySettings):
         SCREENPY_SELENIUM_CHAIN_DURATION=50  # sets the indent char to 50
     """
 
-    _tool_path = "screenpy_selenium"
+    _tool_path = "screenpy.selenium"
     model_config = SettingsConfigDict(env_prefix="SCREENPY_SELENIUM_")
 
     CHAIN_DURATION: int = 10
-    """Whether or not to use indentation in logging."""
+    """Default duration of ActionChains in milleseconds"""
 
 
 # initialized instance

tests/test_settings.py

@@ -0,0 +1,44 @@
+import os
+from unittest import mock
+
+from screenpy_selenium import settings as screenpy_selenium_settings
+from screenpy_selenium.configuration import ScreenPySeleniumSettings
+
+
+class TestSettings:
+    def test_pyproject_overwrites_initial(self) -> None:
+        mock_open = mock.mock_open(
+            read_data=b"[tool.screenpy.selenium]\nCHAIN_DURATION = 500"
+        )
+
+        with mock.patch("pathlib.Path.open", mock_open):
+            settings = ScreenPySeleniumSettings()
+
+        assert settings.CHAIN_DURATION == 500
+
+    def test_env_overwrites_pyproject(self) -> None:
+        mock_open = mock.mock_open(
+            read_data=b"[tool.screenpy.selenium]\nCHAIN_DURATION = 500"
+        )
+        mock_env = {"SCREENPY_SELENIUM_CHAIN_DURATION": "1337"}
+
+        with mock.patch("pathlib.Path.open", mock_open):  # noqa: SIM117
+            with mock.patch.dict(os.environ, mock_env):
+                settings = ScreenPySeleniumSettings()
+
+        assert settings.CHAIN_DURATION == 1337
+
+    def test_init_overwrites_env(self) -> None:
+        mock_env = {"SCREENPY_SELENIUM_CHAIN_DURATION": "1337"}
+
+        with mock.patch.dict(os.environ, mock_env):
+            settings = ScreenPySeleniumSettings(TIMEOUT=9001)
+
+        assert settings.CHAIN_DURATION == 9001
+
+    def test_can_be_changed_at_runtime(self) -> None:
+        try:
+            screenpy_selenium_settings.CHAIN_DURATION = 100
+        except TypeError as exc:
+            msg = "ScreenPySeleniumSettings could not be changed at runtime."
+            raise AssertionError(msg) from exc