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How to use the ptr._generate_black_cmd function in ptr

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facebookincubator / ptr / ptr_tests.py View on Github

def test_generate_black_command(self) -> None:
        black_exe = Path("/bin/black")
        with TemporaryDirectory() as td:
            module_dir = Path(td)

            self.assertEqual(
                ptr._generate_black_cmd(module_dir, black_exe),
                (str(black_exe), "--check", "."),
            )