File virt._get_domain-don-t-raise-an-exception-if-th... of Package salt

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File virt._get_domain-don-t-raise-an-exception-if-there-i.patch of Package salt (Revision 9d51a4068f7c829939fb972ec7cbe63d)

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From 9496d01c4ff7f20bfbff4902ae5c33c147a0343e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Bosdonnat?= <cbosdonnat@suse.com>
Date: Tue, 17 Mar 2020 11:01:48 +0100
Subject: [PATCH] virt._get_domain: don't raise an exception if there
 is no VM

Raising an exception if there is no VM in _get_domain makes sense if
looking for some VMs, but not when listing all VMs.
---
 salt/modules/virt.py            |  2 +-
 tests/unit/modules/test_virt.py | 41 +++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/salt/modules/virt.py b/salt/modules/virt.py
index b44d1a65bf97a363c2fe7a871e090cb9ca957e03..46a349ef98aa78483291dcafb38b4541bf0ac247 100644
--- a/salt/modules/virt.py
+++ b/salt/modules/virt.py
@@ -268,7 +268,7 @@ def _get_domain(conn, *vms, **kwargs):
         for id_ in conn.listDefinedDomains():
             all_vms.append(id_)
 
-    if not all_vms:
+    if vms and not all_vms:
         raise CommandExecutionError('No virtual machines found.')
 
     if vms:
diff --git a/tests/unit/modules/test_virt.py b/tests/unit/modules/test_virt.py
index 2d3417ce91506a1819dbe03045a89887c9d19721..2696ed9d1bb892ee539b385e32393f8f98d23a30 100644
--- a/tests/unit/modules/test_virt.py
+++ b/tests/unit/modules/test_virt.py
@@ -3634,3 +3634,44 @@ class VirtTestCase(TestCase, LoaderModuleMockMixin):
                 }
             },
             [backend for backend in backends if backend['name'] == 'netfs'][0]['options'])
+
+    def test_get_domain(self):
+        '''
+        Test the virt._get_domain function
+        '''
+        # Tests with no VM
+        self.mock_conn.listDomainsID.return_value = []
+        self.mock_conn.listDefinedDomains.return_value = []
+        self.assertEqual([], virt._get_domain(self.mock_conn))
+        self.assertRaisesRegex(CommandExecutionError, 'No virtual machines found.',
+                               virt._get_domain, self.mock_conn, 'vm2')
+
+        # Test with active and inactive VMs
+        self.mock_conn.listDomainsID.return_value = [1]
+
+        def create_mock_vm(idx):
+            mock_vm = MagicMock()
+            mock_vm.name.return_value = 'vm{0}'.format(idx)
+            return mock_vm
+
+        mock_vms = [create_mock_vm(idx) for idx in range(3)]
+        self.mock_conn.lookupByID.return_value = mock_vms[0]
+        self.mock_conn.listDefinedDomains.return_value = ['vm1', 'vm2']
+
+        self.mock_conn.lookupByName.side_effect = mock_vms
+        self.assertEqual(mock_vms, virt._get_domain(self.mock_conn))
+
+        self.mock_conn.lookupByName.side_effect = None
+        self.mock_conn.lookupByName.return_value = mock_vms[0]
+        self.assertEqual(mock_vms[0], virt._get_domain(self.mock_conn, inactive=False))
+
+        self.mock_conn.lookupByName.return_value = None
+        self.mock_conn.lookupByName.side_effect = [mock_vms[1], mock_vms[2]]
+        self.assertEqual([mock_vms[1], mock_vms[2]], virt._get_domain(self.mock_conn, active=False))
+
+        self.mock_conn.reset_mock()
+        self.mock_conn.lookupByName.return_value = None
+        self.mock_conn.lookupByName.side_effect = [mock_vms[1], mock_vms[2]]
+        self.assertEqual([mock_vms[1], mock_vms[2]], virt._get_domain(self.mock_conn, 'vm1', 'vm2'))
+        self.assertRaisesRegex(CommandExecutionError, 'The VM "vm2" is not present',
+                               virt._get_domain, self.mock_conn, 'vm2', inactive=False)
-- 
2.23.0

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