small fix on certs utils for tests

tests/utils/certs.py

@@ -46,7 +46,7 @@
 from cryptography.hazmat.primitives.asymmetric import rsa
 
 
-def selfSignedCert(ip: str, use_password: bool = True) -> typing.Tuple[str, str, str]:
+def selfsigned_cert(ip: str, use_password: bool = True) -> typing.Tuple[str, str, str]:
     key = rsa.generate_private_key(
         public_exponent=65537,
         key_size=2048,
@@ -59,7 +59,7 @@ def selfSignedCert(ip: str, use_password: bool = True) -> typing.Tuple[str, str,
     san = x509.SubjectAlternativeName([x509.IPAddress(ipaddress.ip_address(ip))])
 
     basic_contraints = x509.BasicConstraints(ca=True, path_length=0)
-    now = datetime.datetime.utcnow()
+    now = datetime.datetime.now(tz=datetime.timezone.utc)
     cert = (
         x509.CertificateBuilder()
         .subject_name(name)
@@ -88,7 +88,7 @@ def selfSignedCert(ip: str, use_password: bool = True) -> typing.Tuple[str, str,
     )
 
 
-def sslContext() -> typing.Tuple[ssl.SSLContext, str, str]:  # pylint: disable=unused-argument
+def generate_ssl_context() -> typing.Tuple[ssl.SSLContext, str, str]:  # pylint: disable=unused-argument
     """Returns an ssl context an the certificate & password for an ip
 
     Args:
@@ -101,7 +101,7 @@ def sslContext() -> typing.Tuple[ssl.SSLContext, str, str]:  # pylint: disable=u
     # First, create server cert and key on temp dir
     tmpdir = tempfile.gettempdir()
     tmpname = secrets.token_urlsafe(32)
-    cert, key, password = selfSignedCert('127.0.0.1')
+    cert, key, password = selfsigned_cert('127.0.0.1')
     cert_file = f'{tmpdir}/{tmpname}.pem'
     with open(cert_file, 'w', encoding='utf-8') as f:
         f.write(key)
@@ -126,7 +126,7 @@ def ssl_context() -> typing.Generator[typing.Tuple[ssl.SSLContext, str], None, N
         ssl.SSLContext: ssl context
     """
     # First, create server cert and key on temp dir
-    ssl_ctx, cert_file, password = sslContext()  # pylint: disable=unused-variable
+    ssl_ctx, cert_file, _password = generate_ssl_context()  # pylint: disable=unused-variable
 
     yield ssl_ctx, cert_file