Use mock from the standard library

Since Python 3.3, mock is part of unittest in the standard library.

Drop the build dependency on the deprecated python-mock package
https://fedoraproject.org/wiki/Changes/DeprecatePythonMock

python-httplib2.nomock.patch

@@ -0,0 +1,73 @@
+diff --git a/requirements-test.txt b/requirements-test.txt
+index d208a8f..623875e 100644
+--- a/requirements-test.txt
++++ b/requirements-test.txt
+@@ -1,6 +1,6 @@
+ flake8==3.4.1
+ future==0.16.0
+-mock==2.0.0
++mock==2.0.0;python_version<"3.3"
+ pytest-cov==2.5.1
+ pytest-forked==0.2
+ pytest-randomly==1.2.1
+diff --git a/tests/test_cacerts_from_env.py b/tests/test_cacerts_from_env.py
+index cb2bd9f..f04ba0e 100644
+--- a/tests/test_cacerts_from_env.py
++++ b/tests/test_cacerts_from_env.py
+@@ -1,6 +1,9 @@
+ import os
+ import sys
+-import mock
++try:
++    from unittest import mock
++except ImportError:
++    import mock
+ import pytest
+ import tempfile
+ import httplib2
+diff --git a/tests/test_http.py b/tests/test_http.py
+index f61992c..65bac01 100644
+--- a/tests/test_http.py
++++ b/tests/test_http.py
+@@ -5,7 +5,10 @@ from __future__ import print_function
+ import email.utils
+ import errno
+ import httplib2
+-import mock
++try:
++    from unittest import mock
++except ImportError:
++    import mock
+ import os
+ import pytest
+ from six.moves import http_client, urllib
+diff --git a/tests/test_other.py b/tests/test_other.py
+index 0f450ab..6b902b9 100644
+--- a/tests/test_other.py
++++ b/tests/test_other.py
+@@ -1,5 +1,8 @@
+ import httplib2
+-import mock
++try:
++    from unittest import mock
++except ImportError:
++    import mock
+ import os
+ import pickle
+ import pytest
+diff --git a/tests/test_proxy.py b/tests/test_proxy.py
+index edafe01..556b448 100644
+--- a/tests/test_proxy.py
++++ b/tests/test_proxy.py
+@@ -9,7 +9,10 @@ from __future__ import division
+ from __future__ import print_function
+ 
+ import httplib2
+-import mock
++try:
++    from unittest import mock
++except ImportError:
++    import mock
+ import os
+ import pytest
+ import socket

python-httplib2.spec

@@ -11,6 +11,10 @@ Source:         https://github.com/httplib2/httplib2/archive/v%{version}/%{srcna
 # Patch to use the Fedora ca certs instead of the bundled ones
 #
 Patch1:         python-%{srcname}.certfile.patch
+#
+# Patch to use mock from the standard library, upstream PR#185
+#
+Patch2:         python-%{srcname}.nomock.patch
 
 BuildArch:      noarch
 
@@ -30,7 +34,6 @@ BuildRequires:  python3-pytest-forked
 BuildRequires:  python3-pytest-flake8
 BuildRequires:  python3-pytest-timeout
 BuildRequires:  python3-six
-BuildRequires:  python3-mock
 
 %description -n python3-%{srcname} %{_description}