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bpo-46267: Test compresslevel in gzip.compress (#30416)

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Fixes #90425
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Ruben Vorderman 2022-05-03 07:11:06 +02:00 • committed by GitHub
parent e846fe3fc1
commit a73fc73ff7
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Lib/test/test_gzip.py
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@ -552,6 +552,15 @@ class TestGzip(BaseTest):
f.read(1) # to set mtime attribute
self.assertEqual(f.mtime, mtime)
def test_compress_correct_level(self):
# gzip.compress calls with mtime == 0 take a different code path.
for mtime in (0, 42):
with self.subTest(mtime=mtime):
nocompress = gzip.compress(data1, compresslevel=0, mtime=mtime)
yescompress = gzip.compress(data1, compresslevel=1, mtime=mtime)
self.assertIn(data1, nocompress)
self.assertNotIn(data1, yescompress)
def test_decompress(self):
for data in (data1, data2):
buf = io.BytesIO()