[proxmox_template] Fix error while uploading big ISO to Proxmox VE cluster (#6757)

* [proxmox_template] Fix error while uploading big ISO to Proxmox VE cluster

* Fix pep8 test

* Add changelog fragment

* Add notes about requests_toolbelt

* Check versions and file size

* Fix typo in notes

* Add unit test. Move try inside of each function.

* Fix sanity tests

* Add proxmoxer in requirements file

* Update integration tests

* Add proxmoxer into constraints.txt

* Address review comments

* Don't run tests on 2.6 python

* Disable Python 2.6 tests for other proxmox modules

tests/unit/plugins/modules/test_proxmox_kvm.py

@@ -8,8 +8,16 @@ from __future__ import absolute_import, division, print_function
 
 __metaclass__ = type
 
+import sys
+
 import pytest
 
+proxmoxer = pytest.importorskip('proxmoxer')
+mandatory_py_version = pytest.mark.skipif(
+    sys.version_info < (2, 7),
+    reason='The proxmoxer dependency requires python2.7 or higher'
+)
+
 from ansible_collections.community.general.plugins.modules import proxmox_kvm
 from ansible_collections.community.general.tests.unit.compat.mock import patch
 from ansible_collections.community.general.tests.unit.plugins.modules.utils import (

tests/unit/plugins/modules/test_proxmox_snap.py

@@ -7,8 +7,16 @@ from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
 import json
+import sys
+
 import pytest
 
+proxmoxer = pytest.importorskip('proxmoxer')
+mandatory_py_version = pytest.mark.skipif(
+    sys.version_info < (2, 7),
+    reason='The proxmoxer dependency requires python2.7 or higher'
+)
+
 from ansible_collections.community.general.tests.unit.compat.mock import MagicMock, patch
 from ansible_collections.community.general.plugins.modules import proxmox_snap
 import ansible_collections.community.general.plugins.module_utils.proxmox as proxmox_utils

tests/unit/plugins/modules/test_proxmox_tasks_info.py

@@ -10,8 +10,16 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import pytest
 import json
+import sys
+
+import pytest
+
+proxmoxer = pytest.importorskip('proxmoxer')
+mandatory_py_version = pytest.mark.skipif(
+    sys.version_info < (2, 7),
+    reason='The proxmoxer dependency requires python2.7 or higher'
+)
 
 from ansible_collections.community.general.plugins.modules import proxmox_tasks_info
 import ansible_collections.community.general.plugins.module_utils.proxmox as proxmox_utils

tests/unit/plugins/modules/test_proxmox_template.py

@@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2023, Sergei Antipov <greendayonfire at gmail.com>
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+import os
+import sys
+
+import pytest
+
+proxmoxer = pytest.importorskip('proxmoxer')
+mandatory_py_version = pytest.mark.skipif(
+    sys.version_info < (2, 7),
+    reason='The proxmoxer dependency requires python2.7 or higher'
+)
+
+from ansible_collections.community.general.plugins.modules import proxmox_template
+from ansible_collections.community.general.tests.unit.compat.mock import patch, Mock
+from ansible_collections.community.general.tests.unit.plugins.modules.utils import (
+    AnsibleFailJson,
+    ModuleTestCase,
+    set_module_args,
+)
+import ansible_collections.community.general.plugins.module_utils.proxmox as proxmox_utils
+
+
+class TestProxmoxTemplateModule(ModuleTestCase):
+    def setUp(self):
+        super(TestProxmoxTemplateModule, self).setUp()
+        proxmox_utils.HAS_PROXMOXER = True
+        self.module = proxmox_template
+        self.connect_mock = patch(
+            "ansible_collections.community.general.plugins.module_utils.proxmox.ProxmoxAnsible._connect"
+        )
+        self.connect_mock.start()
+
+    def tearDown(self):
+        self.connect_mock.stop()
+        super(TestProxmoxTemplateModule, self).tearDown()
+
+    @patch("os.stat")
+    @patch.multiple(os.path, exists=Mock(return_value=True), isfile=Mock(return_value=True))
+    def test_module_fail_when_toolbelt_not_installed_and_file_size_is_big(self, mock_stat):
+        self.module.HAS_REQUESTS_TOOLBELT = False
+        mock_stat.return_value.st_size = 268435460
+        set_module_args(
+            {
+                "api_host": "host",
+                "api_user": "user",
+                "api_password": "password",
+                "node": "pve",
+                "src": "/tmp/mock.iso",
+                "content_type": "iso"
+            }
+        )
+        with pytest.raises(AnsibleFailJson) as exc_info:
+            self.module.main()
+
+        result = exc_info.value.args[0]
+        assert result["failed"] is True
+        assert result["msg"] == "'requests_toolbelt' module is required to upload files larger than 256MB"