refactor(cli): update version and tests

Author: remarkablemark

src/python_cli_template/cli.py

@@ -11,7 +11,7 @@ def main(argv: list[str] = None) -> None:
         "--version",
         "-v",
         action="version",
-        version=f"%(prog)s {__version__}",
+        version=__version__,
     )
 
     parser.add_argument(

tests/python_cli_template/test_cli.py

@@ -1,21 +1,38 @@
 import pytest
 
+from python_cli_template import __version__
 from python_cli_template.cli import main
 
 
-def test_hello(capsys):
-    assert main() is None
+def test_version(capsys: pytest.LogCaptureFixture) -> None:
+    with pytest.raises(SystemExit):
+        main(["--version"])
+    captured = capsys.readouterr()
+    assert captured.out == __version__ + "\n"
+
+
+def test_help(capsys: pytest.LogCaptureFixture) -> None:
+    with pytest.raises(SystemExit):
+        main(["--help"])
+    captured = capsys.readouterr()
+    assert "Python CLI Template" in captured.out
+
+
+def test_hello(capsys: pytest.LogCaptureFixture) -> None:
+    main()
     captured = capsys.readouterr()
     assert captured.out == "Hello, World!\n"
 
 
-def test_hello_world(capsys):
-    assert main(["--name", "world"]) is None
+def test_hello_world(capsys: pytest.LogCaptureFixture) -> None:
+    main(["--name", "world"])
     captured = capsys.readouterr()
     assert captured.out == "Hello, world!\n"
 
 
-def test_invalid(capsys):
+def test_invalid(capsys: pytest.LogCaptureFixture) -> None:
     with pytest.raises(SystemExit) as exception:
         main(["--invalid"])
+    captured = capsys.readouterr()
     assert exception.type is SystemExit
+    assert "error: unrecognized arguments: --invalid" in captured.err