refactor template

{{cookiecutter.project_slug}}/tests/conftest.py

@@ -0,0 +1,22 @@
+from __future__ import annotations
+
+import pytest
+
+from {{ cookiecutter.package_name }}.config import clear_config_cache
+from {{ cookiecutter.package_name }}.config.paths import ENV_CONFIG_VAR
+
+
+@pytest.fixture(autouse=True)
+def _isolate_xdg_paths(monkeypatch, tmp_path_factory) -> None:
+    temp_root = tmp_path_factory.mktemp("xdg")
+    monkeypatch.setenv("XDG_CONFIG_HOME", str(temp_root / "config"))
+    monkeypatch.setenv("XDG_DATA_HOME", str(temp_root / "data"))
+    monkeypatch.delenv(ENV_CONFIG_VAR, raising=False)
+    yield
+
+
+@pytest.fixture(autouse=True)
+def _clear_config_cache() -> None:
+    clear_config_cache()
+    yield
+    clear_config_cache()

{{cookiecutter.project_slug}}/tests/test_internals.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+from {{ cookiecutter.package_name }}.commands import format_greeting
+from {{ cookiecutter.package_name }}.config import get_config, get_config_source
+from {{ cookiecutter.package_name }}.config.paths import ENV_CONFIG_VAR
+
+
+def test_env_config_override(tmp_path, monkeypatch) -> None:
+    config_path = tmp_path / "config.toml"
+    config_path.write_text("greeting = \"Hi\"\n")
+    monkeypatch.setenv(ENV_CONFIG_VAR, str(config_path))
+
+    settings = get_config()
+
+    assert settings.greeting == "Hi"
+    assert get_config_source() == config_path
+
+
+def test_missing_env_config_raises(tmp_path, monkeypatch) -> None:
+    missing = tmp_path / "missing.toml"
+    monkeypatch.setenv(ENV_CONFIG_VAR, str(missing))
+
+    try:
+        get_config()
+    except FileNotFoundError as exc:
+        assert str(missing) in str(exc)
+    else:
+        raise AssertionError("Expected FileNotFoundError")
+
+
+def test_format_greeting() -> None:
+    assert format_greeting("Ada") == "Hello, Ada!"

{{cookiecutter.project_slug}}/tests/test_public.py

@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+from {{ cookiecutter.package_name }} import __version__
+from {{ cookiecutter.package_name }}.config import get_config
+
+
+def test_public_version_is_string() -> None:
+    assert isinstance(__version__, str)
+
+
+def test_get_config_defaults() -> None:
+    settings = get_config()
+    assert settings.greeting == "Hello"

{{cookiecutter.project_slug}}/tests/test_{{cookiecutter.package_name}}.py

@@ -1,24 +0,0 @@
-"""Tests for {{ cookiecutter.package_name }}."""
-
-from io import StringIO
-import sys
-
-from {{ cookiecutter.package_name }}.core import say_hello
-
-
-def test_say_hello():
-    """Test say_hello function."""
-    captured_output = StringIO()
-    sys.stdout = captured_output
-    say_hello()
-    sys.stdout = sys.__stdout__
-    assert captured_output.getvalue() == "Hello, World!\n"
-
-
-def test_say_hello_with_name():
-    """Test say_hello function with custom name."""
-    captured_output = StringIO()
-    sys.stdout = captured_output
-    say_hello("Alice")
-    sys.stdout = sys.__stdout__
-    assert captured_output.getvalue() == "Hello, Alice!\n"