def test_run(format_mock: mock.Mock, build_mock: mock.Mock):
"""Ensure both format and normal build are called in sequence."""
dist = Distribution()
# Simulate setup.py registration
dist.cmdclass = {
"format": setuptools_black.setuptools_command.FormatCommand,
}
build_command = BuildCommand(dist)
build_command.run()
# Format run once, in check-only mode
format_mock.return_value.run.assert_called_once_with()
assert format_mock.return_value.check is True
# Build run once, in check-only mode
build_mock.run.assert_called_once_with(build_command)
