Improve test coverage of the Setuptools build script by installing th…

…e Wheel and calling the betty command (#1456)

bin/test-build-setuptools

@@ -14,3 +14,18 @@ if [ $build_exit_code -ne 0 ]; then
   echo "$build_output"
   exit $build_exit_code
 fi
+wheel_path="$(pwd)/dist/betty-0.0.0-py3-none-any.whl"
+(
+  working_directory_path="$(mktemp -d)"
+  trap 'rm -r "$working_directory_path"' EXIT
+  cd "$working_directory_path"
+  python -m virtualenv venv
+  # shellcheck disable=SC1091
+  if python -c 'import sys; exit(0 if sys.platform == "win32" else 1)'; then
+    . ./venv/Scripts/activate
+  else
+    . ./venv/bin/activate
+  fi
+  pip install "$wheel_path"
+  betty --version
+)

pyproject.toml

@@ -127,6 +127,7 @@ test = [
     'types-pyyaml ~= 6.0, >= 6.0.6',
     'types-requests ~= 2.29, >= 2.29.0.0',
     'types-setuptools ~= 69.0',
+    'virtualenv ~= 20.26',
     'betty[pyinstaller]',
     'betty[setuptools]',
 ]