Adding marvin test for scaling vm
diff --git a/test/integration/smoke/test_ScaleVm.py b/test/integration/smoke/test_ScaleVm.py
new file mode 100644
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--- /dev/null
+++ b/test/integration/smoke/test_ScaleVm.py
@@ -0,0 +1,221 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+""" P1 tests for Scaling up Vm
+"""
+#Import Local Modules
+import marvin
+from marvin.cloudstackTestCase import *
+from marvin.cloudstackAPI import *
+from marvin.remoteSSHClient import remoteSSHClient
+from marvin.integration.lib.utils import *
+from marvin.integration.lib.base import *
+from marvin.integration.lib.common import *
+from nose.plugins.attrib import attr
+#Import System modules
+import time
+
+_multiprocess_shared_ = True
+class Services:
+    """Test VM Life Cycle Services
+    """
+
+    def __init__(self):
+        self.services = {
+
+                "account": {
+                    "email": "test@test.com",
+                    "firstname": "Test",
+                    "lastname": "User",
+                    "username": "test",
+                    # Random characters are appended in create account to 
+                    # ensure unique username generated each time
+                    "password": "password",
+                },
+                "small":
+                # Create a small virtual machine instance with disk offering 
+                {
+                    "displayname": "testserver",
+                    "username": "root", # VM creds for SSH
+                    "password": "password",
+                    "ssh_port": 22,
+                    "hypervisor": 'XenServer',
+                    "privateport": 22,
+                    "publicport": 22,
+                    "protocol": 'TCP',
+                },
+                "service_offerings":
+                {
+                 "small":
+                    {
+                     # Small service offering ID to for change VM 
+                     # service offering from medium to small
+                        "name": "SmallInstance",
+                        "displaytext": "SmallInstance",
+                        "cpunumber": 1,
+                        "cpuspeed": 100,
+                        "memory": 256,
+                    },
+                "big":
+                    {
+                     # Big service offering ID to for change VM 
+                        "name": "BigInstance",
+                        "displaytext": "BigInstance",
+                        "cpunumber": 1,
+                        "cpuspeed": 100,
+                        "memory": 512,
+                    }
+                },
+                #Change this
+                "template": {
+                    "displaytext": "xs",
+                    "name": "xs",
+                    "passwordenabled": False,
+                },
+            "diskdevice": '/dev/xvdd',
+            # Disk device where ISO is attached to instance
+            "mount_dir": "/mnt/tmp",
+            "sleep": 60,
+            "timeout": 10,
+            #Migrate VM to hostid
+            "ostype": 'CentOS 5.6 (64-bit)',
+            # CentOS 5.3 (64-bit)
+        }
+
+class TestScaleVm(cloudstackTestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        cls.api_client = super(TestScaleVm, cls).getClsTestClient().getApiClient()
+        cls.services = Services().services
+
+        # Get Zone, Domain and templates
+        domain = get_domain(cls.api_client, cls.services)
+        zone = get_zone(cls.api_client, cls.services)
+        cls.services['mode'] = zone.networktype
+
+        template = get_template(
+                            cls.api_client,
+                            zone.id,
+                            cls.services["ostype"]
+                            )
+        # Set Zones and disk offerings ??
+        cls.services["small"]["zoneid"] = zone.id
+        cls.services["small"]["template"] = template.id
+
+        # Create account, service offerings, vm.
+        cls.account = Account.create(
+                            cls.api_client,
+                            cls.services["account"],
+                            domainid=domain.id
+                            )
+
+        cls.small_offering = ServiceOffering.create(
+                                    cls.api_client,
+                                    cls.services["service_offerings"]["small"]
+                                    )
+        
+        cls.big_offering = ServiceOffering.create(
+                                    cls.api_client,
+                                    cls.services["service_offerings"]["big"]
+                                    )
+
+        #create a virtual machine
+        cls.virtual_machine = VirtualMachine.create(
+                                        cls.api_client,
+                                        cls.services["small"],
+                                        accountid=cls.account.account.name,
+                                        domainid=cls.account.account.domainid,
+                                        serviceofferingid=cls.small_offering.id,
+                                        mode=cls.services["mode"]
+                                        )
+        #how does it work ??
+        cls._cleanup = [
+                        cls.small_offering,
+                        cls.account
+                        ]
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.api_client = super(TestScaleVm, cls).getClsTestClient().getApiClient()
+        cleanup_resources(cls.api_client, cls._cleanup)
+        return
+
+    def setUp(self):
+        self.apiclient = self.testClient.getApiClient()
+        self.dbclient = self.testClient.getDbConnection()
+        self.cleanup = []
+
+    def tearDown(self):
+        #Clean up, terminate the created ISOs
+        cleanup_resources(self.apiclient, self.cleanup)
+        return
+
+    @attr(tags = ["advanced", "basic", "multicluster", "storagemotion", "xenserver"])
+    def test_01_scale_vm(self):
+        """Test scale virtual machine 
+        """
+        # Validate the following
+        # Scale up the vm and see if it scales to the new svc offering and is finally in running state
+        
+      
+      
+        self.debug("Scaling VM-ID: %s to service offering: %s" % (
+                                        self.virtual_machine.id,
+                                        self.big_offering.id
+                                        ))
+        
+        cmd = scaleVirtualMachine.scaleVirtualMachineCmd()
+        cmd.serviceofferingid = self.big_offering.id
+        cmd.id = self.virtual_machine.id
+        self.apiclient.scaleVirtualMachine(cmd)  
+
+        list_vm_response = list_virtual_machines(
+                                            self.apiclient,
+                                            id=self.virtual_machine.id
+                                            )
+        self.assertEqual(
+                        isinstance(list_vm_response, list),
+                        True,
+                        "Check list response returns a valid list"
+                        )
+
+        self.assertNotEqual(
+                            list_vm_response,
+                            None,
+                            "Check virtual machine is listVirtualMachines"
+                            )
+
+        vm_response = list_vm_response[0]
+
+        self.assertEqual(
+                        vm_response.id,
+                        self.virtual_machine.id,
+                        "Check virtual machine ID of scaled VM"
+                        )
+
+        self.assertEqual(
+                        vm_response.serviceofferingid,
+                        self.big_offering.id,
+                        "Check service offering of the VM"
+                        )
+
+        self.assertEqual(
+                        vm_response.state,
+                        'Running',
+                        "Check the state of VM"
+                        )
+        return