Disable tests that require external network access.

Disable tests using external network access by setting
`_network_available = False`, as RHEL 9 build environment does
not allow external connections.

Resolves: RHBZ#1914296

0001-Skip-tests-that-require-external-network-connection_rhbz#1914296.patch

@@ -0,0 +1,105 @@
+From 0414551fab97825fb826882b9c23c1a3ea0b71ea Mon Sep 17 00:00:00 2001
+From: Rafael Guterres Jeffman <rjeffman@redhat.com>
+Date: Thu, 22 Apr 2021 10:08:41 -0300
+Subject: [PATCH] Skip tests that require external network connection.
+
+---
+ tests/test_async.py             | 11 ++---------
+ tests/test_query.py             |  9 ++-------
+ tests/test_resolver.py          | 10 ++--------
+ tests/test_resolver_override.py |  9 ++-------
+ 4 files changed, 8 insertions(+), 31 deletions(-)
+
+diff --git a/tests/test_async.py b/tests/test_async.py
+index 0252f22..370c6bb 100644
+--- a/tests/test_async.py
++++ b/tests/test_async.py
+@@ -38,15 +38,8 @@ try:
+ except Exception:
+     _ssl_available = False
+ 
+-
+-# Some tests require the internet to be available to run, so let's
+-# skip those if it's not there.
+-_network_available = True
+-try:
+-    socket.gethostbyname('dnspython.org')
+-except socket.gaierror:
+-    _network_available = False
+-
++# RHEL 9 build environment does not have provide external network access.
++_network_available = False
+ 
+ # Probe for IPv4 and IPv6
+ query_addresses = []
+diff --git a/tests/test_query.py b/tests/test_query.py
+index 2cff377..99dc873 100644
+--- a/tests/test_query.py
++++ b/tests/test_query.py
+@@ -36,13 +36,8 @@ import dns.query
+ import dns.tsigkeyring
+ import dns.zone
+ 
+-# Some tests require the internet to be available to run, so let's
+-# skip those if it's not there.
+-_network_available = True
+-try:
+-    socket.gethostbyname('dnspython.org')
+-except socket.gaierror:
+-    _network_available = False
++# RHEL 9 build environment does not have provide external network access.
++_network_available = False
+ 
+ # Some tests use a "nano nameserver" for testing.  It requires trio
+ # and threading, so try to import it and if it doesn't work, skip
+diff --git a/tests/test_resolver.py b/tests/test_resolver.py
+index 4f5643d..b26ab65 100644
+--- a/tests/test_resolver.py
++++ b/tests/test_resolver.py
+@@ -18,7 +18,6 @@
+ from io import StringIO
+ import selectors
+ import sys
+-import socket
+ import time
+ import unittest
+ 
+@@ -31,13 +30,8 @@ import dns.resolver
+ import dns.tsig
+ import dns.tsigkeyring
+ 
+-# Some tests require the internet to be available to run, so let's
+-# skip those if it's not there.
+-_network_available = True
+-try:
+-    socket.gethostbyname('dnspython.org')
+-except socket.gaierror:
+-    _network_available = False
++# RHEL 9 build environment does not have provide external network access.
++_network_available = False
+ 
+ # Some tests use a "nano nameserver" for testing.  It requires trio
+ # and threading, so try to import it and if it doesn't work, skip
+diff --git a/tests/test_resolver_override.py b/tests/test_resolver_override.py
+index ac93316..036a42e 100644
+--- a/tests/test_resolver_override.py
++++ b/tests/test_resolver_override.py
+@@ -9,13 +9,8 @@ import dns.rdataclass
+ import dns.rdatatype
+ import dns.resolver
+ 
+-# Some tests require the internet to be available to run, so let's
+-# skip those if it's not there.
+-_network_available = True
+-try:
+-    socket.gethostbyname('dnspython.org')
+-except socket.gaierror:
+-    _network_available = False
++# RHEL 9 build environment does not have provide external network access.
++_network_available = False
+ 
+ 
+ @unittest.skipIf(not _network_available, "Internet not reachable")
+-- 
+2.30.2
+

python-dns.spec

@@ -14,7 +14,7 @@
 
 Name:           python-%{py_package_name}
 Version:        2.1.0
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        DNS toolkit for Python
 
 # The entire package is licensed with both licenses, see LICENSE file
@@ -22,6 +22,7 @@ License:        ISC and MIT
 URL:            http://www.dnspython.org
 
 Source0:        https://github.com/rthalley/%{pypi_name}/archive/v%{version}%{rctag}/%{pypi_name}-%{version}%{rctag}.tar.gz
+Patch0:         0001-Skip-tests-that-require-external-network-connection_rhbz#1914296.patch
 BuildArch:      noarch
 
 BuildRequires:  python3-devel
@@ -110,6 +111,9 @@ pytest -k "not testCanonicalNameDangling"
 }
 
 %changelog
+* Thu Apr 22 2021 Rafael Jeffman <rjeffman@redhat.com> - 2.1.0-5
+- Skip tests that require external network connection.
+
 * Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 2.1.0-4
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937