refactor: bump the lower version boundary for Cyclopts to 4.0.0

Author: leodevian

changelog.d/+d589724c.changed.md

@@ -0,0 +1 @@
+Bump the lower version boundary for Cyclopts to 4.0.0.

template/pyproject.toml.jinja

@@ -55,7 +55,7 @@ dynamic = [
 {%- with dependencies = [] %}
 {%- if cli == 'click' %}{% do dependencies.append('click>=8.2') %}
 {%- elif cli == 'typer' %}{% do dependencies.append('typer>=0.16') %}
-{%- elif cli == 'cyclopts' %}{% do dependencies.append('cyclopts>=3.22.3') %}{% endif %}
+{%- elif cli == 'cyclopts' %}{% do dependencies.append('cyclopts>=4') %}{% endif %}
 {%- if dependencies %}
 dependencies = [
 {%- for dependency in dependencies | sort %}

template/tests/{% if cli == 'cyclopts' %}test_cli.py{% endif %}.jinja

@@ -10,21 +10,27 @@ from {{ package_name }}.cli import app
 
 def test_app() -> None:
     """Test the main program."""
-    result = app([])
-    assert result is None
+    with pytest.raises(SystemExit) as excinfo:
+        app([])
+
+    assert excinfo.value.code == 0
 
 
 @pytest.mark.parametrize("option", ["--help", "-h"])
 def test_show_help(option: str) -> None:
     """Test the help option of the command-line interface."""
-    result = app([option])
-    assert result is None
+    with pytest.raises(SystemExit) as excinfo:
+        app([option])
+
+    assert excinfo.value.code == 0
 
 
 def test_show_version(capsys: pytest.CaptureFixture[str]) -> None:
     """Test the version option of the command-line interface."""
-    result = app(["--version"])
-    assert result is None
+    with pytest.raises(SystemExit) as excinfo:
+        app(["--version"])
+
+    assert excinfo.value.code == 0
 
     captured = capsys.readouterr()
     assert __version__ in captured.out