https://github.com/python/cpython/commit/fbbef609d18fffd87ea1c16f3f6cd0bb08803489
commit: fbbef609d18fffd87ea1c16f3f6cd0bb08803489
branch: 3.12
author: Bénédikt Tran <[email protected]>
committer: picnixz <[email protected]>
date: 2025-01-18T12:01:56+01:00
summary:
[3.12] gh-127637: add tests for `dis` command-line interface (#127759) (#127780)
files:
A Misc/NEWS.d/next/Tests/2024-12-09-12-35-44.gh-issue-127637.KLx-9I.rst
M Lib/dis.py
M Lib/test/test_dis.py
diff --git a/Lib/dis.py b/Lib/dis.py
index 320dec03d25b0c..b1069c825289cf 100644
--- a/Lib/dis.py
+++ b/Lib/dis.py
@@ -790,12 +790,12 @@ def dis(self):
return output.getvalue()
-def main():
+def main(args=None):
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('infile', type=argparse.FileType('rb'), nargs='?',
default='-')
- args = parser.parse_args()
+ args = parser.parse_args(args=args)
with args.infile as infile:
source = infile.read()
code = compile(source, args.infile.name, "exec")
diff --git a/Lib/test/test_dis.py b/Lib/test/test_dis.py
index c90702a408eb33..de7def164187e4 100644
--- a/Lib/test/test_dis.py
+++ b/Lib/test/test_dis.py
@@ -3,16 +3,17 @@
import contextlib
import dis
import io
+import opcode
import re
import sys
+import tempfile
import types
import unittest
from test.support import (captured_stdout, requires_debug_ranges,
- requires_specialization, cpython_only)
+ requires_specialization, cpython_only,
+ os_helper)
from test.support.bytecode_helper import BytecodeTestCase
-import opcode
-
def get_tb():
def _error():
@@ -2069,5 +2070,18 @@ def get_disassembly(self, tb):
return output.getvalue()
+class TestDisCLI(unittest.TestCase):
+
+ def setUp(self):
+ self.filename = tempfile.mktemp()
+ self.addCleanup(os_helper.unlink, self.filename)
+
+ def test_invocation(self):
+ with self.assertRaises(SystemExit):
+ # suppress argparse error message
+ with contextlib.redirect_stderr(io.StringIO()):
+ dis.main(args=['--unknown', self.filename])
+
+
if __name__ == "__main__":
unittest.main()
diff --git
a/Misc/NEWS.d/next/Tests/2024-12-09-12-35-44.gh-issue-127637.KLx-9I.rst
b/Misc/NEWS.d/next/Tests/2024-12-09-12-35-44.gh-issue-127637.KLx-9I.rst
new file mode 100644
index 00000000000000..ac5d9827b07199
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2024-12-09-12-35-44.gh-issue-127637.KLx-9I.rst
@@ -0,0 +1 @@
+Add tests for the :mod:`dis` command-line interface. Patch by Bénédikt Tran.
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