gh-118658: Modify cert generation script to extract cert3.pem by felixfontein · Pull Request #124598 · python/cpython

======================================================================
ERROR: test_certificate_chain (test.test_ssl.TestPostHandshakeAuth.test_certificate_chain)
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Traceback (most recent call last):
  File "/srv/work/alex/cpython/Lib/test/test_ssl.py", line 4708, in test_certificate_chain
    expected_ee_cert = ssl.PEM_cert_to_DER_cert(f.read())
  File "/srv/work/alex/cpython/Lib/ssl.py", line 1498, in PEM_cert_to_DER_cert
    raise ValueError("Invalid PEM encoding; must start with %s"
                     % PEM_HEADER)
ValueError: Invalid PEM encoding; must start with -----BEGIN CERTIFICATE-----

======================================================================
FAIL: test_https_client_non_tls_response_ignored (test.test_ssl.TestPreHandshakeClose.test_https_client_non_tls_response_ignored)
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Traceback (most recent call last):
  File "/srv/work/alex/cpython/Lib/test/test_ssl.py", line 5150, in test_https_client_non_tls_response_ignored
    with warnings_helper.check_no_resource_warning(self), \
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^
  File "/srv/work/alex/cpython/Lib/contextlib.py", line 148, in __exit__
    next(self.gen)
    ~~~~^^^^^^^^^^
  File "/srv/work/alex/cpython/Lib/test/support/warnings_helper.py", line 148, in check_no_resource_warning
    with check_no_warnings(testcase, category=ResourceWarning, force_gc=True):
         ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/srv/work/alex/cpython/Lib/contextlib.py", line 148, in __exit__
    next(self.gen)
    ~~~~^^^^^^^^^^
  File "/srv/work/alex/cpython/Lib/test/support/warnings_helper.py", line 131, in check_no_warnings
    testcase.assertEqual(warns, [])
    ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
AssertionError: Lists differ: [<warnings.WarningMessage object at 0x7fe633996510>] != []

First list contains 1 additional elements.
First extra element 0:
<warnings.WarningMessage object at 0x7fe633996510>

- [<warnings.WarningMessage object at 0x7fe633996510>]
+ []

----------------------------------------------------------------------
Ran 2 tests in 0.081s

-----BEGIN PRIVATE KEY-----
MIIG/gIBADANBgkqhkiG9w0BAQEFAASCBugwggbkAgEAAoIBgQDlMLf3ifFQ+30m
PFr/C+j+snJyAtnylop6CBLODCRxdcFKH40r7ugai8yDi+5uLWzw4n9I1Yim16sx
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-----END PRIVATE KEY-----
-----BEGIN CERTIFICATE-----
MIIF8zCCBFugAwIBAgIJAMstgJlaaVJcMA0GCSqGSIb3DQEBCwUAME0xCzAJBgNV
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-----END CERTIFICATE-----