dev-python/pip: Skip cryptography tests when not available

Signed-off-by: Michał Górny <mgorny@gentoo.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/dev-python/pip/files/pip-21.3.1-cryptography-tests.patch b/dev-python/pip/files/pip-21.3.1-cryptography-tests.patch
new file mode 100644
index 000000000000..1505d487ad40
--- /dev/null
+++ b/dev-python/pip/files/pip-21.3.1-cryptography-tests.patch
@@ -0,0 +1,39 @@
+From 8fa5d719a3c902ca9b6c9198229b7a67fecf8b8e Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
+Date: Fri, 26 Nov 2021 16:12:16 +0100
+Subject: [PATCH] Move cryptography-based imports into the fixture
+
+Move the imports that require cryptography into the cert_factory
+fixture.  This makes it possible to deselect these tests on systems
+where cryptography cannot be installed.
+---
+ tests/conftest.py | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/tests/conftest.py b/tests/conftest.py
+index 076aeaf19..bab6ab3f5 100644
+--- a/tests/conftest.py
++++ b/tests/conftest.py
+@@ -27,7 +27,6 @@ from pip._internal.cli.main import main as pip_entry_point
+ from pip._internal.locations import _USE_SYSCONFIG
+ from pip._internal.utils.temp_dir import global_tempdir_manager
+ from tests.lib import DATA_DIR, SRC_DIR, PipTestEnvironment, TestData
+-from tests.lib.certs import make_tls_cert, serialize_cert, serialize_key
+ from tests.lib.path import Path
+ from tests.lib.server import MockServer as _MockServer
+ from tests.lib.server import make_mock_server, server_running
+@@ -535,6 +534,11 @@ def deprecated_python() -> bool:
+ 
+ @pytest.fixture(scope="session")
+ def cert_factory(tmpdir_factory: pytest.TempdirFactory) -> Callable[[], str]:
++    # Delay the import requiring cryptography in order to make it possible
++    # to deselect relevant tests on systems where cryptography cannot
++    # be installed.
++    from tests.lib.certs import make_tls_cert, serialize_cert, serialize_key
++
+     def factory() -> str:
+         """Returns path to cert/key file."""
+         output_path = Path(str(tmpdir_factory.mktemp("certs"))) / "cert.pem"
+-- 
+2.34.1
+