testInventory: add more test

multiple owner test case
multiple cancel packing list test
circular movement test

product/ERP5/tests/testInventory.py

@@ -1231,6 +1231,21 @@ class TestInventory(TestOrderMixin, ERP5TypeTestCase):
       LOG('SQL Query was : ', 0, str(simulation.getInventory(src__=1, **kw)))
       self.assertEqual(e_inventory, a_inventory, msg)
   
+  def _testGetInventoryAssetPrice(self, expected, **kw):
+    """
+      Shared testing method
+    """
+    simulation = self.getPortal().portal_simulation
+    e_inventory = expected
+    LOG('Testing inventory with args :', 0, kw)
+    a_inventory = simulation.getInventoryAssetPrice(**kw)
+    if e_inventory != a_inventory:
+      msg = 'Inventory differs between expected (%s) and real (%s) price'\
+             % (repr(e_inventory), repr(a_inventory))
+      LOG('TestInventory._testGetInventoryAssetPrice', 0, msg)
+      LOG('SQL Query was : ', 0, str(simulation.getInventoryAssetPrice(src__=1, **kw)))
+      self.assertEqual(e_inventory, a_inventory, msg)
+
 
   def stepTestGetInventoryOnSimulationState(self, sequence=None,
                                             sequence_list=None, **kw):
@@ -3492,6 +3507,659 @@ class TestInventory(TestOrderMixin, ERP5TypeTestCase):
     sequence_list.play(self)
   
   
+  def stepCreateNotVariatedThirdResource(self,sequence=None,
+                                          sequence_list=None,
+                                          **kw):
+    """
+      Create a third resource with no variation
+    """
+    portal = self.getPortal()
+    resource_module = portal.getDefaultModule(self.resource_portal_type)
+    resource = resource_module.newContent(portal_type=self.resource_portal_type)
+    resource.edit(
+      title = "NotVariatedThirdResource%s" % resource.getId(),
+      industrial_phase_list=["phase1", "phase2"],
+      product_line = 'apparel'
+    )
+    sequence.edit(third_resource = resource )
+    resource_list = sequence.get('resource_list',default=[])
+    resource_list.append(resource)
+    sequence.edit( resource_list = resource_list )
+  
+  
+  def stepCreatePackingList(self, sequence=None,
+                                      sequence_list=None, **kw):
+    """
+      Create a single packing_list for Inventory Module testing
+    """
+    node = kw.get('node', None)
+    section = kw.get('section', None)
+    resource = kw.get('resource', None)
+    quantity = kw.get('quantity', 100)
+    price = kw.get('price', None)
+    mirror_node =  kw.get('mirror_node', None)
+    mirror_section = kw.get('mirror_section', None)
+    if mirror_node is None:
+      mirror_node = sequence.get('mirror_node')
+    if mirror_section is None:
+      mirror_section = sequence.get('mirror_section')
+    
+    packing_list_portal_type = kw.get('packing_list', self.packing_list_portal_type)
+    packing_list_module = self.getPortal().getDefaultModule(
+                              portal_type=packing_list_portal_type)
+    packing_list = packing_list_module.newContent(
+                              portal_type=packing_list_portal_type)
+ 
+    if kw.get('start_date', None) is not None:
+      start_date = stop_date = kw['start_date']
+    else:
+      start_date = stop_date = DateTime() - 2
+    packing_list.edit(
+                      specialise=self.business_process,
+                      source_section_value = mirror_section,
+                      source_value = mirror_node,
+                      destination_section_value = section,
+                      destination_value = node,
+                      start_date = start_date,
+                      stop_date = stop_date,
+                      price_currency = self.price_currency
+                     )
+    
+    packing_list_line_portal_type = packing_list_portal_type + ' Line'
+    packing_list_line = packing_list.newContent(
+                  portal_type = packing_list_line_portal_type)
+    packing_list_line.edit(resource_value = resource,
+                           quantity = quantity,
+                           price = price
+                          )
+    sequence.edit(packing_list=packing_list)
+    return packing_list_line
+    
+  
+  def stepCreateSalePackingListToSectionNodeForFirstResource(self, sequence=None,
+                                                    sequence_list=None,
+                                                    **kw):
+    section = sequence.get('section')
+    node = sequence.get('node')
+    resource = sequence.get('resource')
+      
+    self.stepCreatePackingList(sequence=sequence,
+                               sequence_list=sequence_list,
+                               section = section,
+                               node = node,
+                               resource = resource,
+                               quantity = 100,
+                               packing_list= 'Sale Packing List')
+
+  
+  def stepCreateSalePackingListToOtherSectionNodeForFirstResource(self, sequence=None,sequence_list=None,**kw):
+    section = sequence.get('other_section')
+    node = sequence.get('node')
+    resource = sequence.get('resource')
+      
+    self.stepCreatePackingList(sequence=sequence,
+                               sequence_list=sequence_list,
+                               section = section,
+                               node = node,
+                               resource = resource,
+                               quantity = 200,
+                               packing_list = 'Sale Packing List')
+                                          
+  
+  def stepCreatePurchasePackingListForSectionOtherNodeForSecondResource(self, sequence=None,
+                                                    sequence_list=None,
+                                                    **kw):
+    section = sequence.get('section')
+    node = sequence.get('other_node')
+    resource = sequence.get('second_resource')
+      
+    self.stepCreatePackingList(sequence=sequence,
+                               sequence_list=sequence_list,
+                               section = section,
+                               node = node,
+                               resource = resource,
+                               quantity = 50,
+                               packing_list = 'Purchase Packing List')
+                                          
+  
+  def stepCreatePurchasePackingListForOtherSectionOtherNodeForThirdResource(self, sequence=None,
+                                                    sequence_list=None,
+                                                    **kw):
+    section = sequence.get('other_section')
+    node = sequence.get('other_node')
+    resource = sequence.get('third_resource')
+      
+    self.stepCreatePackingList(sequence=sequence,
+                               sequence_list=sequence_list,
+                               section = section,
+                               node = node,
+                               resource = resource,
+                               quantity = 30,
+                               packing_list = 'Purchase Packing List')
+      
+  def stepTestMultipleOwnerNode(self, sequence=None, sequence_list=None, **kw):
+    first_resource_value = sequence.get('resource')
+    second_resource_value = sequence.get('second_resource')
+    third_resource_value = sequence.get('third_resource')
+    
+    node_value = sequence.get('node')
+    other_node_value = sequence.get('other_node')
+    section_value = sequence.get('section')
+    other_section_value = sequence.get('other_section')
+    
+    self._testGetInventory(expected=100,
+                           section_uid=section_value.getUid(),
+                           node_uid=node_value.getUid(),
+                           resource_uid=first_resource_value.getUid())
+    self._testGetInventory(expected=200,
+                           section_uid=other_section_value.getUid(),
+                           node_uid=node_value.getUid(),
+                           resource_uid=first_resource_value.getUid())
+    self._testGetInventory(expected=50,
+                           section_uid=section_value.getUid(),
+                           node_uid=other_node_value.getUid(),
+                           resource_uid=second_resource_value.getUid())
+    self._testGetInventory(expected=30,
+                           section_uid=other_section_value.getUid(),
+                           node_uid=other_node_value.getUid(),
+                           resource_uid=third_resource_value.getUid())
+  def test_19_InventoryMultipleOwner(self, quiet = 0, run=run_all_test):
+    """
+     Test multiple owner with multiple node resource.
+     The case:
+     1) movement: section=A,node=C,resource=X,quantity=100
+     2) movement: section=B,node=C,resource=X, quantity=200
+     3) movement: section=A,node=D,resource=Y,quantity=50
+     4) movement: section=B, node=D,reource=Z,quantity=30
+
+     [Test]
+     getInventory(section=A, node=C, resource=X) should return 100
+     getInventory(section=B, node=C, resource=X) should return 200
+     getInventory(section=A, node=D, resource=Y) should return 50
+     getInventory(section=B, node=D, resource=Z) should return 30
+    """
+    if not run: return
+  
+    sequence_list = SequenceList()
+    sequence_string = 'CreateOrganisationsForModule \
+                       CreateNotVariatedResource \
+                       CreateNotVariatedSecondResource \
+                       stepCreateNotVariatedThirdResource \
+                       Tic \
+                       CreateSalePackingListToSectionNodeForFirstResource \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreateSalePackingListToOtherSectionNodeForFirstResource \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreatePurchasePackingListForSectionOtherNodeForSecondResource \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreatePurchasePackingListForOtherSectionOtherNodeForThirdResource \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       TestMultipleOwnerNode \
+                       '
+    sequence_list.addSequenceString(sequence_string)
+    sequence_list.play(self)
+
+  def stepCreateIPLForModule(self, sequence=None, sequence_list=None, **kw):
+    node = sequence.get('node')
+    section = sequence.get('section')
+    other_node = sequence.get('other_node')
+    resource = sequence.get('resource')
+    packing_list_module = self.getPortal().getDefaultModule(
+                              portal_type='Internal Packing List')
+    packing_list = packing_list_module.newContent(
+                              portal_type='Internal Packing List')
+    start_date = stop_date = self.start_date_1
+    #same owner but different warehouse
+    packing_list.edit(
+                      specialise=self.business_process,
+                      source_section_value = section,
+                      source_value = node,
+                      destination_section_value = section,
+                      destination_value = other_node,
+                      start_date = start_date,
+                      stop_date = stop_date,
+                      price_currency = self.price_currency
+                     )
+    sequence.edit(packing_list=packing_list)
+
+  def stepCreatePackingListLineWithQuantity3(self, sequence=None,
+                                      sequence_list=None, **kw):
+    packing_list = sequence.get('packing_list')
+    resource_value = sequence.get('resource')
+    packing_list_line = packing_list.newContent(
+                  portal_type='Internal Packing List Line')
+    packing_list_line.edit(resource_value = resource_value,
+                           quantity = 3.
+                          )
+                          
+  def stepCreatePackingListLineWithQuantity_3(self, sequence=None,
+                                      sequence_list=None, **kw):
+    packing_list = sequence.get('packing_list')
+    resource_value = sequence.get('resource')
+    packing_list_line = packing_list.newContent(
+                  portal_type='Internal Packing List Line')
+    packing_list_line.edit(resource_value = resource_value,
+                           quantity = -3.
+                          )
+  
+  def stepCreatePackingListLineWithQuantity30(self, sequence=None,
+                                      sequence_list=None, **kw):
+    packing_list = sequence.get('packing_list')
+    resource_value = sequence.get('resource')
+    packing_list_line = packing_list.newContent(
+                  portal_type='Internal Packing List Line')
+    packing_list_line.edit(resource_value = resource_value,
+                           quantity = 30.
+                          )
+  
+  def stepCreatePackingListLineWithQuantity_30(self, sequence=None,
+                                      sequence_list=None, **kw):
+    packing_list = sequence.get('packing_list')
+    resource_value = sequence.get('resource')
+    packing_list_line = packing_list.newContent(
+                  portal_type='Internal Packing List Line')
+    packing_list_line.edit(resource_value = resource_value,
+                           quantity = -30.
+                          )
+
+  def stepCreatePackingListLineWithQuantity33(self, sequence=None,
+                                      sequence_list=None, **kw):
+    packing_list = sequence.get('packing_list')
+    resource_value = sequence.get('resource')
+    packing_list_line = packing_list.newContent(
+                  portal_type='Internal Packing List Line')
+    packing_list_line.edit(resource_value = resource_value,
+                           quantity = 33.
+                          )
+  def stepTestMultiCancelInventory(self, sequence=None,
+                                 sequence_list=None, **kw):
+    resource_value = sequence.get('resource')
+    node_value = sequence.get('node')
+    other_node_value = sequence.get('other_node')
+    section_value = sequence.get('section')
+    at_date = self.start_date_1
+    self._testGetInventory(
+      expected=67,
+      section_uid=section_value.getUid(),
+      node_uid=node_value.getUid(),
+      resource_uid=resource_value.getUid(),
+      at_date=at_date)
+    self._testGetInventory(
+      expected=33,
+      section_uid=section_value.getUid(),
+      node_uid=other_node_value.getUid(),
+      resource_uid=resource_value.getUid(),
+      at_date=at_date)
+  
+  def test_20_InventoryWhenCancelInternalPackingList(self, quite=0, run=run_all_test):
+    """
+    When Company A's 33 of product G was shipped from warehouse X
+    to warehouse Y (ownership is still same, just location change)
+    in real world, an ERP5 user made many mistakes to enter the above
+    single fact and in the end he created five IPL(Internal Packing List)
+    to record the single fact.
+
+    IPL1 (quantity is wrong)
+      start_date 2013/Feb/10
+      source_section A       destination_section A
+      source X               destination Y
+      resource G    quantity 3
+      simulation_state 
+
+    IPL2 (Cancellation of IPL1)
+      start_date 2013/Feb/10
+      source_section A       destination_section A
+      source X               destination Y
+      resource G    quantity -3
+      simulation_state delivered
+
+    IPL3 (He made a mistake again!)
+      start_date 2013/Feb/10
+      source_section A       destination_section A
+      source X               destination Y
+      resource H    quantity 30
+      simulation_state delivered
+
+    IPL4 (Cancellation of IPL3)
+     start_date 2013/Feb/10
+     source_section A       destination_section A
+     source X               destination Y
+     resource H    quantity -30
+     simulation_state delivered
+
+    IPL5 (Finally he was able to enter data correctly!)
+     start_date 2013/Feb/10
+     source_section A       destination_section A
+     source X               destination Y
+     resource G    quantity 33
+     simulation_state delivered
+    """
+    if not run: return
+    self.start_date_1 = '2013/02/10 00:00:00 GMT+9'
+    sequence_list = SequenceList()
+    sequence_string = 'CreateOrganisationsForModule \
+                       CreateNotVariatedResource \
+                       Tic \
+                       CreatePackingListAtTheDate1 \
+                       CreatePackingListLine \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreateIPLForModule \
+                       CreatePackingListLineWithQuantity3 \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreateIPLForModule \
+                       CreatePackingListLineWithQuantity_3 \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreateIPLForModule \
+                       CreatePackingListLineWithQuantity30 \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreateIPLForModule \
+                       CreatePackingListLineWithQuantity_30\
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreateIPLForModule \
+                       CreatePackingListLineWithQuantity33 \
+                       Tic \
+                       DeliverPackingList\
+                       Tic \
+                       TestMultiCancelInventory\
+                       '
+    sequence_list.addSequenceString(sequence_string)
+    sequence_list.play(self)
+  
+  
+  def stepCreateOneMoreSection(self, sequence=None,
+                                 sequence_list=None, **kw):
+    self.stepCreateOrganisation(sequence=sequence,
+                        sequence_list=sequence_list, **kw)
+    one_more_section = sequence.get('organisation')
+    sequence.edit(
+          one_more_section = one_more_section
+        )
+  
+  def stepCreateSalePackingListToA(self, sequence=None,
+                                            sequence_list=None, **kw):
+    #A
+    section = sequence.get('section')
+    node = sequence.get('node')
+    resource = sequence.get('resource')
+    self.stepCreatePackingList(sequence=sequence,
+                               sequence_list=sequence_list,
+                               section = section,
+                               node = node,
+                               resource = resource,
+                               quantity = 10,
+                               price = 100,
+                               packing_list = 'Sale Packing List')
+  
+  def stepCreatePurchasePackingListForASecond(self, sequence=None,
+                                            sequence_list=None, **kw):
+    #A
+    section = sequence.get('section')
+    node = sequence.get('node')
+    resource = sequence.get('resource')
+    self.stepCreatePackingList(sequence=sequence,
+                               sequence_list=sequence_list,
+                               section = section,
+                               node = node,
+                               resource = resource,
+                               quantity = 15,
+                               price = 200,
+                               packing_list = 'Purchase Packing List')
+  
+  def stepCreatePurchasePackingListForAThird(self, sequence=None,
+                                            sequence_list=None, **kw):
+    #A
+    section = sequence.get('section')
+    node = sequence.get('node')
+    resource = sequence.get('resource')
+    self.stepCreatePackingList(sequence=sequence,
+                               sequence_list=sequence_list,
+                               section = section,
+                               node = node,
+                               resource = resource,
+                               quantity = 20,
+                               price = 200,
+                               packing_list = 'Purchase Packing List')
+
+  def stepCreatePurchasePackingListForB(self, sequence=None,
+                                            sequence_list=None, **kw):
+    #B
+    section = sequence.get('other_section')
+    node = sequence.get('other_node')
+    resource = sequence.get('resource')
+    self.stepCreatePackingList(sequence=sequence,
+                               sequence_list=sequence_list,
+                               section = section,
+                               node = node,
+                               resource = resource,
+                               quantity = 20,
+                               price = 55,
+                               packing_list = 'Purchase Packing List')
+
+  def stepCreateSalePackingListFromAToB(self, sequence=None,
+                                      sequence_list=None, **kw):
+    #B
+    section = sequence.get('other_section')
+    node = sequence.get('other_node')
+    resource = sequence.get('resource')
+    #A
+    mirror_section = sequence.get('section')
+    mirror_node = sequence.get('node')
+    packing_list_line_a_to_b = self.stepCreatePackingList(sequence=sequence,
+                                 sequence_list=sequence_list,
+                                 section = section,
+                                 node = node,
+                                 mirror_section = mirror_section,
+                                 mirror_node = mirror_node,
+                                 resource = resource,
+                                 quantity = 30,
+                                 packing_list = 'Sale Packing List')
+    sequence.edit(packing_list_line_a_to_b = packing_list_line_a_to_b)
+
+  def stepCreatePurchasePackingListForCFromA(self, sequence=None,
+                                      sequence_list=None, **kw):
+    #C
+    section = sequence.get('one_more_section')
+    node = sequence.get('node')
+    resource = sequence.get('resource')
+    #A
+    mirror_section = sequence.get('section')
+    mirror_node = sequence.get('node')
+    packing_list_line_a_to_c = self.stepCreatePackingList(sequence=sequence,
+                                 sequence_list=sequence_list,
+                                 section = section,
+                                 node = node,
+                                 mirror_section = mirror_section,
+                                 mirror_node = mirror_node,
+                                 resource = resource,
+                                 quantity = 10,
+                                 packing_list = 'Purchase Packing List')
+    sequence.edit(packing_list_line_a_to_c = packing_list_line_a_to_c)
+
+  def stepCreatePurchasePackingListForCFromB(self, sequence=None,
+                                      sequence_list=None, **kw):
+    #C
+    section = sequence.get('one_more_section')
+    node = sequence.get('node')
+    resource = sequence.get('resource')
+    #B
+    mirror_section = sequence.get('other_section')
+    mirror_node = sequence.get('other_node')
+    packing_list_line_b_to_c = self.stepCreatePackingList(sequence=sequence,
+                                 sequence_list=sequence_list,
+                                 section = section,
+                                 node = node,
+                                 mirror_section = mirror_section,
+                                 mirror_node = mirror_node,
+                                 resource = resource,
+                                 quantity = 5,
+                                 packing_list='Purchase Packing List')
+    sequence.edit(packing_list_line_b_to_c = packing_list_line_b_to_c)
+
+  def stepCreateSalePackingListFromCToA(self, sequence=None,
+                                      sequence_list=None, **kw):
+    #A
+    section = sequence.get('section')
+    node = sequence.get('node')
+    resource = sequence.get('resource')
+    #C
+    mirror_section = sequence.get('one_more_section')
+    mirror_node = sequence.get('node')
+    packing_list_line_c_to_a = self.stepCreatePackingList(sequence=sequence,
+                                 sequence_list=sequence_list,
+                                 section = section,
+                                 node = node,
+                                 mirror_section = mirror_section,
+                                 mirror_node = mirror_node,
+                                 resource = resource,
+                                 quantity = 2,
+                                 packing_list = 'Sale Packing List')
+    sequence.edit(packing_list_line_c_to_a = packing_list_line_c_to_a)
+
+
+  def steptestCircularMovementQuantity(self, sequence=None,
+                            sequence_list=None, **kw):
+    resource_value = sequence.get('resource')
+    node_value = sequence.get('node')
+    other_node_value = sequence.get('other_node')
+    section_value = sequence.get('section')
+    other_section_value = sequence.get('other_section')
+    one_more_section_value = sequence.get('one_more_section')
+    #C
+    self._testGetInventory(
+      expected=13,
+      section_uid=one_more_section_value.getUid(),
+      node_uid=node_value.getUid(),
+      resource_uid=resource_value.getUid()
+      )
+    #B
+    self._testGetInventory(
+      expected=45,
+      section_uid=other_section_value.getUid(),
+      node_uid=other_node_value.getUid(),
+      resource_uid=resource_value.getUid()
+      )
+    #A
+    self._testGetInventory(
+      expected=7,
+      section_uid=section_value.getUid(),
+      node_uid=node_value.getUid(),
+      resource_uid=resource_value.getUid()
+      )
+      
+  def steptestCircularMovementPrice(self, sequence=None,
+                            sequence_list=None, **kw):
+    resource_value = sequence.get('resource')
+    node_value = sequence.get('node')
+    other_node_value = sequence.get('other_node')
+    section_value = sequence.get('section')
+    other_section_value = sequence.get('other_section')
+    one_more_section_value = sequence.get('one_more_section')
+    #C
+    self._testGetInventoryAssetPrice(
+      expected=160,
+      section_uid=one_more_section_value.getUid(),
+      node_uid=node_value.getUid(),
+      resource_uid=resource_value.getUid(),
+      valuation_method='WeightedAverage'
+      )
+    #B
+    self._testGetInventoryAssetPrice(
+      expected=129,
+      section_uid=other_section_value.getUid(),
+      node_uid=other_node_value.getUid(),
+      resource_uid=resource_value.getUid(),
+      valuation_method='WeightedAverage'
+      )
+    #A
+    self._testGetInventoryAssetPrice(
+      expected=178,
+      section_uid=section_value.getUid(),
+      node_uid=node_value.getUid(),
+      resource_uid=resource_value.getUid(),
+      valuation_method='WeightedAverage'
+      )
+    
+  def test_21_CircularMovements(self, quite=0, run=run_all_test):
+    """
+    Owner A, warehouse X, product G, quantity 10, total price is 1000
+    Owner B, warehouse Y, product G, quantity 20, total price is 1100
+    Owner C, warehouse X, product G, quantity 0 , total price is 0
+    
+    Then, product G was moved like below:
+
+    Owner A purchased 15 of product G for the price of 3000
+    Owner A purchased 20 of product G for the price of 4000
+    
+    Owner B purchased 30 of product G from Owner A(price is determined at the end of Nov).
+    Owner C purchased 10 of product G from Owner A(price is determined at the end of Nov).
+    Owner C get 5 of product G from Owner B(price is determined at the end of Nov).
+    Owner A get 2 of product G from Owner C(price is determined at the end of Nov).
+
+    As we see in this example, product G was moved between A and B, B and
+    C, C and A, it is circulating. Then, at the end of Mouth, Price of
+    product G of Owner A depends on price of product G of owner B, this
+    kind of thing happens. (And if it is a real circulation, price can't be
+    decided, it must not happen, but theoretically it can happen.
+    """
+    if not run: return
+    sequence_list = SequenceList()
+    sequence_string = 'CreateOrganisationsForModule \
+                       CreateOneMoreSection \
+                       CreateNotVariatedResource \
+                       Tic \
+                       CreateSalePackingListToA \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreatePurchasePackingListForB \
+                       Tic \
+                       DeliverPackingList \
+                       Tic \
+                       CreatePurchasePackingListForASecond \
+                       DeliverPackingList \
+                       Tic \
+                       CreatePurchasePackingListForAThird \
+                       DeliverPackingList \
+                       Tic \
+                       CreateSalePackingListFromAToB\
+                       DeliverPackingList \
+                       Tic \
+                       CreatePurchasePackingListForCFromA\
+                       DeliverPackingList \
+                       Tic \
+                       CreatePurchasePackingListForCFromB\
+                       DeliverPackingList \
+                       Tic \
+                       CreateSalePackingListFromCToA\
+                       DeliverPackingList \
+                       Tic \
+                       steptestCircularMovementQuantity \
+                       Tic \
+                       steptestCircularMovementPrice \
+                       '
+    sequence_list.addSequenceString(sequence_string)
+    sequence_list.play(self)
+
+  
+
 def test_suite():
   suite = unittest.TestSuite()
   suite.addTest(unittest.makeSuite(TestInventory))