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authorNed Deily <nad@python.org>2024-05-30 12:36:05 -0400
committerGitHub <noreply@github.com>2024-05-30 18:36:05 +0200
commit54b5e9e9a8d4e964bef934ab2ed10d21b3abe91e (patch)
tree69ada094e2c427cdab040feccdd03dd24f6aad9c
parent[3.9] gh-118486: Support mkdir(mode=0o700) on Windows (GH-118488) (GH-118741) (diff)
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[3.9] gh-112769: test_zlib: test_zlib: Fix comparison of ZLIB_RUNTIME_VERSION with non-int suffix (GH-112771) (GH-119566)
zlib-ng defines the version as "1.3.0.zlib-ng". (cherry picked from commit d384813) Co-authored-by: Miro Hrončok miro@hroncok.cz
-rw-r--r--Lib/test/test_zlib.py27
-rw-r--r--Misc/NEWS.d/next/Tests/2024-05-25-17-06-01.gh-issue-112769.kdLJmS.rst3
2 files changed, 18 insertions, 12 deletions
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index 02509cdf553..aa7943fc28a 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -16,6 +16,19 @@ requires_Decompress_copy = unittest.skipUnless(
hasattr(zlib.decompressobj(), "copy"),
'requires Decompress.copy()')
+def _zlib_runtime_version_tuple(zlib_version=zlib.ZLIB_RUNTIME_VERSION):
+ # Register "1.2.3" as "1.2.3.0"
+ # or "1.2.0-linux","1.2.0.f","1.2.0.f-linux"
+ v = zlib_version.split('-', 1)[0].split('.')
+ if len(v) < 4:
+ v.append('0')
+ elif not v[-1].isnumeric():
+ v[-1] = '0'
+ return tuple(map(int, v))
+
+
+ZLIB_RUNTIME_VERSION_TUPLE = _zlib_runtime_version_tuple()
+
class VersionTestCase(unittest.TestCase):
@@ -437,9 +450,8 @@ class CompressObjectTestCase(BaseCompressTestCase, unittest.TestCase):
sync_opt = ['Z_NO_FLUSH', 'Z_SYNC_FLUSH', 'Z_FULL_FLUSH',
'Z_PARTIAL_FLUSH']
- ver = tuple(int(v) for v in zlib.ZLIB_RUNTIME_VERSION.split('.'))
# Z_BLOCK has a known failure prior to 1.2.5.3
- if ver >= (1, 2, 5, 3):
+ if ZLIB_RUNTIME_VERSION_TUPLE >= (1, 2, 5, 3):
sync_opt.append('Z_BLOCK')
sync_opt = [getattr(zlib, opt) for opt in sync_opt
@@ -768,16 +780,7 @@ class CompressObjectTestCase(BaseCompressTestCase, unittest.TestCase):
def test_wbits(self):
# wbits=0 only supported since zlib v1.2.3.5
- # Register "1.2.3" as "1.2.3.0"
- # or "1.2.0-linux","1.2.0.f","1.2.0.f-linux"
- v = zlib.ZLIB_RUNTIME_VERSION.split('-', 1)[0].split('.')
- if len(v) < 4:
- v.append('0')
- elif not v[-1].isnumeric():
- v[-1] = '0'
-
- v = tuple(map(int, v))
- supports_wbits_0 = v >= (1, 2, 3, 5)
+ supports_wbits_0 = ZLIB_RUNTIME_VERSION_TUPLE >= (1, 2, 3, 5)
co = zlib.compressobj(level=1, wbits=15)
zlib15 = co.compress(HAMLET_SCENE) + co.flush()
diff --git a/Misc/NEWS.d/next/Tests/2024-05-25-17-06-01.gh-issue-112769.kdLJmS.rst b/Misc/NEWS.d/next/Tests/2024-05-25-17-06-01.gh-issue-112769.kdLJmS.rst
new file mode 100644
index 00000000000..1bbbb26fc32
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2024-05-25-17-06-01.gh-issue-112769.kdLJmS.rst
@@ -0,0 +1,3 @@
+The tests now correctly compare zlib version when
+:const:`zlib.ZLIB_RUNTIME_VERSION` contains non-integer suffixes. For
+example zlib-ng defines the version as ``1.3.0.zlib-ng``.