test Config

tests/test_config.py

@@ -0,0 +1,68 @@
+"""Test Config."""
+import sys
+from pathlib import Path
+import pytest
+from user_config import Config, Section, StringOption
+
+class FallbackConfig(Config):
+
+    """Test configuration fallback."""
+
+    application = "test"
+    author = "nobody"
+
+    class GeneralSection(Section):
+
+        """General section."""
+
+        string = StringOption(default="default")
+
+    general = GeneralSection()
+
+def test_default():
+    config_directory = Path(__file__).parents[0] / 'test_config'
+    sys.argv = [sys.argv[0]]
+    config = FallbackConfig(
+        file_name="default",
+        global_path=config_directory / 'global',
+        user_path=config_directory / 'user')
+    assert config.general.string == "default"
+
+def test_global():
+    config_directory = Path(__file__).parents[0] / 'test_config'
+    sys.argv = [sys.argv[0]]
+    config = FallbackConfig(
+        file_name="global",
+        global_path=config_directory / 'global',
+        user_path=config_directory / 'user')
+    assert config.general.string == "global"
+
+def test_user():
+    config_directory = Path(__file__).parents[0] / 'test_config'
+    sys.argv = [sys.argv[0]]
+    config = FallbackConfig(
+        file_name="user",
+        global_path=config_directory / 'global',
+        user_path=config_directory / 'user')
+    assert config.general.string == "user"
+
+def test_cli():
+    config_directory = Path(__file__).parents[0] / 'test_config'
+    sys.argv = [sys.argv[0], '--string', 'cli']
+    config = FallbackConfig(
+        file_name="user",
+        global_path=config_directory / 'global',
+        user_path=config_directory / 'user')
+    assert config.general.string == "cli"
+
+def test_required_attributes():
+    class NoApplication(Config):
+        """Test missing application attribute."""
+        author = "nobody"
+    with pytest.raises(AttributeError):
+        NoApplication()
+    class NoAuthor(Config):
+        """Test missing author attribute."""
+        application = "test"
+    with pytest.raises(AttributeError):
+        NoAuthor()

tests/test_config/global/default.cfg

@@ -0,0 +1,2 @@
+[general]
+# string = default

tests/test_config/global/global.cfg

@@ -0,0 +1,2 @@
+[general]
+string = global

tests/test_config/global/user.cfg

@@ -0,0 +1,2 @@
+[general]
+string = global

tests/test_config/user/default.cfg

@@ -0,0 +1,2 @@
+[general]
+# string = default

tests/test_config/user/global.cfg

@@ -0,0 +1,2 @@
+[general]
+# string = default

tests/test_config/user/user.cfg

@@ -0,0 +1,2 @@
+[general]
+string = user

user_config/__init__.py

@@ -630,6 +630,3 @@ def __init__(
                 command_line_arguments, self._data)
             # validate _data
             self._elements[element].validate_data(self._data)
-
-    def __getattr__(self, name):
-        return self._data[name]