43cb4631c1
The cause is that in `python3.14`, `fcntl.ioctl` now throws a buffer overflow error when the buffer is too small or too large (see https://github.com/python/cpython/pull/132919). This caused the Python interpreter to fail terminal detection and not properly echo user commands back to the screen. Fix by dropping the custom terminal size check entirely and using the built-in `sys.stdin.isatty()` instead. Fixes #173302
63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
"""
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Test that typing python expression in the terminal is echoed back to stdout.
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"""
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from lldbsuite.test.decorators import skipIfAsan
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from lldbsuite.test.lldbpexpect import PExpectTest
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@skipIfAsan
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class PythonInterpreterEchoTest(PExpectTest):
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PYTHON_PROMPT = ">>> "
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def verify_command_echo(
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self, command: str, expected_output: str = "", is_regex: bool = False
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):
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assert self.child != None
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child = self.child
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self.assertIsNotNone(self.child, "expected a running lldb process.")
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child.sendline(command)
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# Build pattern list: match whichever comes first (output or prompt).
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# This prevents waiting for a timeout if there's no match.
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pattern = []
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match_expected = expected_output and len(expected_output) > 0
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if match_expected:
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pattern.append(expected_output)
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pattern.append(self.PYTHON_PROMPT)
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expect_func = child.expect if is_regex else child.expect_exact
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match_idx = expect_func(pattern)
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if match_expected:
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self.assertEqual(
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match_idx, 0, "Expected output `{expected_output}` in stdout."
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)
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self.assertIsNotNone(self.child.before, "Expected output before prompt")
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self.assertIsInstance(self.child.before, bytes)
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echoed_text: str = self.child.before.decode("ascii").strip()
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self.assertEqual(
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command, echoed_text, f"Command '{command}' should be echoed to stdout."
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)
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if match_expected:
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child.expect_exact(self.PYTHON_PROMPT)
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def test_python_interpreter_echo(self):
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"""Test that that the user typed commands is echoed to stdout"""
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self.launch(use_colors=False, dimensions=(100, 100))
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# Enter the python interpreter.
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self.verify_command_echo(
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"script --language python --", expected_output="Python.*\\.", is_regex=True
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)
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self.child_in_script_interpreter = True
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self.verify_command_echo("val = 300")
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self.verify_command_echo(
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"print('result =', 300)", expected_output="result = 300"
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)
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