Add support for X509_V_FLAG_PARTIAL_CHAIN (#1166)

* Add support for X509_V_FLAG_PARTIAL_CHAIN

* Remove unneeded import

* Update changelog to add PR number.

* Fix whitespace issue identified by black

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/test_crypto.py b/tests/test_crypto.py
index e7b13fc..88756f0 100644
--- a/tests/test_crypto.py
+++ b/tests/test_crypto.py
@@ -4285,6 +4285,19 @@ class TestX509StoreContext:
 
         assert str(exc.value) == "unable to get local issuer certificate"
 
+    def test_verify_with_partial_chain(self):
+        store = X509Store()
+        store.add_cert(self.intermediate_cert)
+
+        store_ctx = X509StoreContext(store, self.intermediate_server_cert)
+        with pytest.raises(X509StoreContextError):
+            store_ctx.verify_certificate()
+
+        # Now set the partial verification flag for verification.
+        store.set_flags(X509StoreFlags.PARTIAL_CHAIN)
+        store_ctx = X509StoreContext(store, self.intermediate_server_cert)
+        assert store_ctx.verify_certificate() is None
+
 
 class TestSignVerify:
     """