text: """
   Copyright (c) 2019 Intel Corporation
  
   Licensed 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.
  """
  import unittest
  
  from extensions.middle.ReplaceMemoryOffsetWithSplice import ReplaceMemoryOffsetNodePattern
  from mo.graph.graph import Node
  from mo.utils.unittest.graph import build_graph, compare_graphs
  
  
  class ReplaceMemoryOffsetNodePatternTests(unittest.TestCase):
      @classmethod
      def setUpClass(cls):
          cls.nodes_attributes = {
              'in_placeholder': {'kind': 'op', 'op': 'placeholder'},
              'in_node': {'kind': 'data', 'shape': [1, 13]},
              'memoryoffset': {'kind': 'op', 'op': 'MemoryOffset', 't': -5,
                               'pair_name': 'memoryoffset_2', 'has_default': False},
              'memoryoffset_data': {'kind': 'data', 'shape': [1, 13]},
              'memoryoffset_2': {'kind': 'op', 'op': 'MemoryOffset', 't': -5,
                                 'pair_name': 'memoryoffset', 'has_default': False},
              'memoryoffset_2_data': {'kind': 'data', 'shape': [1, 13]},
              'out_placeholder': {'kind': 'op', 'op': 'placeholder'},
              'opoutput': {'kind': 'op', 'op': 'OpOutput'},
          }
  
      def test_memoryoffset_pos(self):
          graph = build_graph(self.nodes_attributes,
                              [('in_placeholder', 'in_node'),
                               ('in_node', 'memoryoffset'),
                               ('memoryoffset', 'memoryoffset_data'),
                               ('memoryoffset_data', 'opoutput'),
                               ('memoryoffset_2', 'memoryoffset_2_data'),
                               ('memoryoffset_2_data', 'out_placeholder')])
          memoryoffset_node = Node(graph, 'memoryoffset')
          memoryoffset_node['t'] = 5
          ReplaceMemoryOffsetNodePattern().find_and_replace_pattern(graph)
          ref_graph = build_graph({'in_placeholder': {'kind': 'op', 'op': 'placeholder'},
                                   'in_node': {'kind': 'data', 'shape': [1, 13]},
                                   'splice': {'kind': 'op', 'op': 'Splice', 'context': range(-5, 6)},
                                   'splice_data': {'kind': 'data', 'shape': [1, 143]},
                                   'crop': {'kind': 'op', 'op': 'Crop', 'offset': 130, 'dim': 13},
                                   'memoryoffset_2_data': {'kind': 'data', 'shape': [1, 13]},
                                   'out_placeholder': {'kind': 'op', 'op': 'placeholder'},
                                   },
                                  [
                                      ('in_placeholder', 'in_node'),
                                      ('in_node', 'splice'),
                                      ('splice', 'splice_data'),
                                      ('splice_data', 'crop'),
                                      ('crop', 'memoryoffset_2_data'),
                                      ('memoryoffset_2_data', 'out_placeholder')
                                  ]
                                  )
  
          (flag, resp) = compare_graphs(graph, ref_graph, 'memoryoffset_2_data')
          self.assertTrue(flag, resp)
  
      def test_memoryoffset_neg(self):
          graph = build_graph(self.nodes_attributes,
                              [('in_placeholder', 'in_node'),
                               ('in_node', 'memoryoffset'),
                               ('memoryoffset', 'memoryoffset_data'),
                               ('memoryoffset_data', 'opoutput'),
                               ('memoryoffset_2', 'memoryoffset_2_data'),
                               ('memoryoffset_2_data', 'out_placeholder')])
          memoryoffset_node = Node(graph, 'memoryoffset')
          memoryoffset_node['t'] = -5
          ReplaceMemoryOffsetNodePattern().find_and_replace_pattern(graph)
          ref_graph = build_graph({'in_placeholder': {'kind': 'op', 'op': 'placeholder'},
                                   'in_node': {'kind': 'data', 'shape': [1, 13]},
                                   'splice': {'kind': 'op', 'op': 'Splice', 'context': range(-5, 6)},
                                   'splice_data': {'kind': 'data', 'shape': [1, 143]},
                                   'crop': {'kind': 'op', 'op': 'Crop', 'offset': 0, 'dim': 13},
                                   'memoryoffset_2_data': {'kind': 'data', 'shape': [1, 13]},
                                   'out_placeholder': {'kind': 'op', 'op': 'placeholder'},
                                   },
                                  [
                                      ('in_placeholder', 'in_node'),
                                      ('in_node', 'splice'),
                                      ('splice', 'splice_data'),
                                      ('splice_data', 'crop'),
                                      ('crop', 'memoryoffset_2_data'),
                                      ('memoryoffset_2_data', 'out_placeholder')
                                  ]
                                  )
          (flag, resp) = compare_graphs(graph, ref_graph, 'out_placeholder')
          self.assertTrue(flag, resp)
  
      def test_memoryoffset_neg_0(self):
          graph = build_graph(self.nodes_attributes,
                              [('in_placeholder', 'in_node'),
                               ('in_node', 'memoryoffset'),
                               ('memoryoffset', 'memoryoffset_data'),
                               ('memoryoffset_data', 'opoutput'),
                               ('memoryoffset_2', 'memoryoffset_2_data'),
                               ('memoryoffset_2_data', 'out_placeholder'),
                               ('in_node', 'out_placeholder')])
          memoryoffset_node = Node(graph, 'memoryoffset')
          memoryoffset_node['t'] = -5
          ReplaceMemoryOffsetNodePattern().find_and_replace_pattern(graph)
          ref_graph = build_graph({'in_placeholder': {'kind': 'op', 'op': 'placeholder'},
                                   'in_node': {'kind': 'data', 'shape': [1, 13]},
                                   'splice': {'kind': 'op', 'op': 'Splice', 'context': range(-5, 6)},
                                   'splice_data': {'kind': 'data', 'shape': [1, 143]},
                                   'crop': {'kind': 'op', 'op': 'Crop', 'offset': 0, 'dim': 13},
                                   'crop_input': {'kind': 'op', 'op': 'Crop', 'offset': 65, 'dim': 13},
                                   'crop_input_data': {'kind': 'data', 'shape': [1, 13]},
                                   'memoryoffset_2_data': {'kind': 'data', 'shape': [1, 13]},
                                   'out_placeholder': {'kind': 'op', 'op': 'placeholder'},
                                   },
                                  [
                                      ('in_placeholder', 'in_node'),
                                      ('in_node', 'splice'),
                                      ('splice', 'splice_data'),
                                      ('splice_data', 'crop'),
                                      ('crop', 'memoryoffset_2_data'),
                                      ('splice_data', 'crop_input'),
                                      ('crop_input', 'crop_input_data'),
                                      ('memoryoffset_2_data', 'out_placeholder'),
                                      ('crop_input_data', 'out_placeholder')
                                  ]
                                  )
  
          (flag, resp) = compare_graphs(graph, ref_graph, 'out_placeholder')
          self.assertTrue(flag, resp)
  