bpo-41602: add tests for sigint handling in runpy

Author: graingert

Lib/test/test_runpy.py

@@ -1,15 +1,17 @@
 # Test the runpy module
-import unittest
-import os
+import contextlib
+import importlib.machinery, importlib.util
 import os.path
-import sys
+import pathlib
+import py_compile
 import re
+import subprocess
+import sys
 import tempfile
-import importlib, importlib.machinery, importlib.util
-import py_compile
+import textwrap
+import unittest
 import warnings
-import pathlib
-from test.support import verbose, no_tracing
+from test.support import no_tracing, verbose
 from test.support.import_helper import forget, make_legacy_pyc, unload
 from test.support.os_helper import create_empty_file, temp_dir
 from test.support.script_helper import make_script, make_zip_script
@@ -752,5 +754,76 @@ def test_encoding(self):
  self.assertEqual(result['s'], "non-ASCII: h\xe9")
 
 
+class TestExit(unittest.TestCase):
+ @staticmethod
+ @contextlib.contextmanager
+ def tmp_path(*args, **kwargs):
+ with temp_dir() as tmp_fn:
+ yield pathlib.Path(tmp_fn)
+
+
+ def run(self, *args, **kwargs):
+ with self.tmp_path() as tmp:
+ self.ham = ham = tmp / "ham.py"
+ ham.write_text(
+ textwrap.dedent(
+ """\
+ raise KeyboardInterrupt
+ """
+ )
+ )
+ super().run(*args, **kwargs)
+
+ def assertSigInt(self, *args, **kwargs):
+ proc = subprocess.run(*args, **kwargs, text=True, stderr=subprocess.PIPE)
+ self.assertTrue(proc.stderr.endswith("\nKeyboardInterrupt\n"))
+ self.assertEqual(proc.returncode, -2)
+
+ def test_pymain_run_file(self):
+ self.assertSigInt([sys.executable, self.ham])
+
+ def test_pymain_run_file_runpy_run_module(self):
+ tmp = self.ham.parent
+ run_module = tmp / "run_module.py"
+ run_module.write_text(
+ textwrap.dedent(
+ """\
+ import runpy
+ runpy.run_module("ham")
+ """
+ )
+ )
+ self.assertSigInt([sys.executable, run_module], cwd=tmp)
+
+ def test_pymain_run_file_runpy_run_module_as_main(self):
+ tmp = self.ham.parent
+ run_module_as_main = tmp / "run_module_as_main.py"
+ run_module_as_main.write_text(
+ textwrap.dedent(
+ """\
+ import runpy
+ runpy._run_module_as_main("ham")
+ """
+ )
+ )
+ self.assertSigInt([sys.executable, run_module_as_main], cwd=tmp)
+
+ def test_pymain_run_command_run_module(self):
+ self.assertSigInt(
+ [sys.executable, "-c", "import runpy; runpy.run_module('ham')"],
+ cwd=self.ham.parent,
+ )
+
+ def test_pymain_run_command(self):
+ self.assertSigInt([sys.executable, "-c", "import ham"], cwd=self.ham.parent)
+
+ def test_pymain_run_stdin(self):
+ self.assertSigInt([sys.executable], input="import ham", cwd=self.ham.parent)
+
+ def test_pymain_run_module(self):
+ ham = self.ham
+ self.assertSigInt([sys.executable, "-m", ham.stem], cwd=ham.parent)
+
+
 if __name__ == "__main__":
  unittest.main()