Implement StopObject()

For some test cases, we might want to stop a service earlier. This
functionality is done by StopObject().

Test log collection is still done by UndeployObject(), which will
collect the logs of all services (at that point, stopped or not).

ci-scripts/tests/deployment.py

@@ -60,6 +60,33 @@ class TestDeploymentMethods(unittest.TestCase):
 		self.assertTrue(deploy)
 		self.assertTrue(undeploy)
 
+	def test_stop_services(self):
+		self.cont.yamlPath = 'tests/simple-undep/'
+		self.cont.deploymentTag = "noble"
+		# should deploy both testA and testB
+		deploy = self.cont.DeployObject(self.ctx, self.node, self.html)
+		# should fail (no such service)
+		self.cont.services = "testC"
+		stopC = self.cont.StopObject(self.ctx, self.node, self.html)
+		# should stop testA
+		self.cont.services = "testA"
+		stopA = self.cont.StopObject(self.ctx, self.node, self.html)
+		# should (re-)stop testA (no-op)
+		self.cont.services = "testA"
+		stopA2 = self.cont.StopObject(self.ctx, self.node, self.html)
+		# should deploy testB
+		self.cont.services = "testB"
+		stopB = self.cont.StopObject(self.ctx, self.node, self.html)
+		# should not undeploy anything (everything already stopped)
+		self.cont.services = None
+		undeployAll = self.cont.UndeployObject(self.ctx, self.node, self.html, self.ran)
+		self.assertTrue(deploy)
+		self.assertFalse(stopC)
+		self.assertTrue(stopA)
+		self.assertTrue(stopA2)
+		self.assertTrue(stopB)
+		self.assertTrue(undeployAll)
+
 	def test_deployfails(self):
 		# fails reliably
 		old = self.cont.yamlPath