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Merge pull request #4921 from nicoddemus/mtime-test-for-4903 

Add test for mtime issue in #4903
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Bruno Oliveira 2019-03-14 10:56:08 -03:00 committed by GitHub
parent 74416525d2 bd70f5c148
commit a2b921f890
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1 changed files with 23 additions and 0 deletions
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testing/test_assertrewrite.py
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@ -1197,6 +1197,29 @@ class TestIssue2121:
result.stdout.fnmatch_lines("*E*assert (1 + 1) == 3") result.stdout.fnmatch_lines("*E*assert (1 + 1) == 3")
@pytest.mark.parametrize("offset", [-1, +1])
def test_source_mtime_long_long(testdir, offset):
"""Support modification dates after 2038 in rewritten files (#4903).
pytest would crash with:
fp.write(struct.pack("<ll", mtime, size))
E struct.error: argument out of range
"""
p = testdir.makepyfile(
"""
def test(): pass
"""
)
# use unsigned long timestamp which overflows signed long,
# which was the cause of the bug
# +1 offset also tests masking of 0xFFFFFFFF
timestamp = 2 ** 32 + offset
os.utime(str(p), (timestamp, timestamp))
result = testdir.runpytest()
assert result.ret == 0
def test_rewrite_infinite_recursion(testdir, pytestconfig, monkeypatch): def test_rewrite_infinite_recursion(testdir, pytestconfig, monkeypatch):
"""Fix infinite recursion when writing pyc files: if an import happens to be triggered when writing the pyc """Fix infinite recursion when writing pyc files: if an import happens to be triggered when writing the pyc
file, this would cause another call to the hook, which would trigger another pyc writing, which could file, this would cause another call to the hook, which would trigger another pyc writing, which could