[libvirt PATCH 2/4] tests.lavocado: adding basic transient domain tests

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This basic test case validates the core lifecycle and operations on
transient domains and came from libvirt-tck as an exercise in porting
tests.

Signed-off-by: Beraldo Leal <bleal@xxxxxxxxxx>
---
 tests/lavocado/tests/domain/transient.py | 102 +++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 tests/lavocado/tests/domain/transient.py

diff --git a/tests/lavocado/tests/domain/transient.py b/tests/lavocado/tests/domain/transient.py
new file mode 100644
index 0000000000..f96906c41b
--- /dev/null
+++ b/tests/lavocado/tests/domain/transient.py
@@ -0,0 +1,102 @@
+# Copyright (C) 2021 Red Hat, Inc.
+# Author: Beraldo Leal <bleal@xxxxxxxxxx>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+import libvirt
+
+from lavocado.test import LibvirtTest
+
+
+class TransientDomain(LibvirtTest):
+    """Transient domain basic operations.
+
+    The test case validates the core lifecycle and operations on transient
+    domains.
+    """
+
+    def setUp(self):
+        super().setUp()
+        self.image = self.get_generic_image()
+        self.domain = self.create_domain(arguments={'image': self.image.path})
+
+    def test_lifecycle(self):
+        """Creating and destroying a new transient domain.
+
+        A transient domain has no configuration file so, once destroyed, all
+        trace of the domain should disappear.
+        """
+        name = self.domain.name()
+        state, _ = self.domain.state()
+        self.assertTrue(state, libvirt.VIR_DOMAIN_RUNNING)
+
+        try:
+            self.domain.destroy()
+        except Exception as ex:
+            self.fail(f"destroy() raised an exception: {ex}")
+
+        with self.assertRaises(libvirt.libvirtError) as context:
+            self.conn.lookupByName(name)
+
+        expected = f"no domain with matching name '{self.domain.name()}'"
+        self.assertTrue(expected in str(context.exception))
+
+    def test_autostart(self):
+        """Makes sure autostart is disabled and not allowed on a transient domain.
+
+        The test case validates that the autostart command returns a suitable
+        error message when used on a transient domain.
+        """
+        self.assertFalse(self.domain.autostart())
+
+        with self.assertRaises(libvirt.libvirtError) as context:
+            self.domain.setAutostart(True)
+
+        expected = "cannot set autostart for transient domain"
+        self.assertTrue(expected in str(context.exception))
+
+    def test_convert_transient_to_persistent(self):
+        """Converting transient to persistent should work fine.
+
+        This test case validates that a transient domain can be converted to a
+        persistent one. This is achieved by defining a configuration file while
+        the transient domain is running.
+        """
+        name = self.domain.name()
+
+        # Make sure is running and not persistent
+        state, _ = self.domain.state()
+        self.assertTrue(state, libvirt.VIR_DOMAIN_RUNNING)
+        self.assertFalse(self.domain.isPersistent())
+
+        # Defining config for transient guest
+        new_domain = self.conn.defineXML(self.domain.XMLDesc())
+        self.assertTrue(new_domain.isPersistent())
+
+        # Destroying active domain
+        self.domain.destroy()
+
+        # Checking that an inactive domain config still exists
+        found = self.conn.lookupByName(name)
+        self.assertEqual(found.name(), name)
+
+        # Removing inactive domain config
+        new_domain.undefine()
+
+        # Checking that inactive domain has really gone
+        with self.assertRaises(libvirt.libvirtError) as context:
+            self.conn.lookupByName(name)
+        expected = f"no domain with matching name '{name}'"
+        self.assertTrue(expected in str(context.exception))
-- 
2.26.3




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