test/test_mypy.py

   1 from subprocess import run
   2 from shutil import which
   3 from unittest import TestCase
   4
   5
   6 class TypeCheck(TestCase):
   7     def test_mypy(self):
   8         if not which("mypy"):
   9             self.fail(f"mypy not installed.")
  10         cmd = ["mypy", "--strict", "--ignore-missing-imports", "gps303"]
  11         output = run(cmd, capture_output=True)
  12         if output.returncode != 0:
  13             self.fail(
  14                 f"mypy exited with code {output.returncode}:\n{output.stderr.decode()}"
  15             )