[1LP][RFR] Add comparison of OS data after revert to test_verify_revert_snapshot

cfme/infrastructure/virtual_machines.py

@@ -453,6 +453,18 @@ def is_displayed(self):
                 self.context['object'].name in [row.name.text for row in self.affected_vms.rows()])
 
 
+class InfraVmOsView(InfraVmView):
+    """The Operating System page"""
+    title = Text('#explorer_title_text')
+    basic_information = SummaryTable(title="Basic Information")
+
+    @property
+    def is_displayed(self):
+        name = self.context['object'].name
+        expected_title = f'"OS Info" for Virtual Machine "{name}"'
+        return self.in_infra_vms and self.title.text == expected_title
+
+
 class InfraVmSnapshotToolbar(View):
     """The toolbar on the snapshots page"""
     history = Dropdown('History')
@@ -1528,6 +1540,15 @@ def resetter(self, *args, **kwargs):
         self.view.reset_page()
 
 
+@navigator.register(InfraVm, 'OS Info')
+class VmOsInfo(CFMENavigateStep):
+    VIEW = InfraVmOsView
+    prerequisite = NavigateToSibling('Details')
+
+    def step(self, *args, **kwargs):
+        self.prerequisite_view.entities.summary('Properties').click_at('Operating System')
+
+
 @navigator.register(InfraTemplate, 'Details')
 @navigator.register(InfraVm, 'Details')
 class VmAllWithTemplatesDetails(CFMENavigateStep):

cfme/tests/infrastructure/test_snapshot.py

@@ -228,9 +228,8 @@ def verify_revert_snapshot(full_test_vm, provider, soft_assert, register_event,
         assert ssh_client.run_command('test -e snapshot2.txt') == 1
 
 
-@pytest.mark.meta(
-    blockers=[BZ(1805803, unblock=lambda provider: not provider.one_of(RHEVMProvider),
-                 ignore_bugs={1745065})], automates=[1805803])
+@pytest.mark.rhv1
+@pytest.mark.provider([VMwareProvider])
 @pytest.mark.parametrize('create_vm', ['full_template'], indirect=True)
 def test_verify_revert_snapshot(create_vm, provider, soft_assert, register_event, request):
     """Tests revert snapshot
@@ -241,14 +240,27 @@ def test_verify_revert_snapshot(create_vm, provider, soft_assert, register_event
         test_flag: snapshot, provision
 
     Bugzilla:
-        1561618
+        1805803
 
     Polarion:
         assignee: prichard
         casecomponent: Infra
         initialEstimate: 1/4h
     """
+    # getting the initial value for OS details.
+    view = navigate_to(create_vm, 'Details')
+    os_text_initial = view.entities.summary('Properties').get_text_of('Operating System')
     verify_revert_snapshot(create_vm, provider, soft_assert, register_event, request)
+    # verify that the system info is displayed
+    view = navigate_to(create_vm, 'Details')
+    # check that the OS is in the field.
+    os_text_compare = view.entities.summary('Properties').get_text_of('Operating System')
+    assert os_text_compare == os_text_initial
+    os_view = navigate_to(create_vm, 'OS Info')
+    # check that the OS Info view is displayed and contains OS data
+    assert os_view.is_displayed
+    os_text_compare = view.entities.summary('Basic Information').get_text_of('Operating System')
+    assert os_text_compare == os_text_initial
 
 
 @pytest.mark.parametrize('create_vm', ['full_template'], indirect=True)