old_contents: import pandasdmx as sdmx
  
  from . import specimen
  
  
  EXPECTED = {
      # Structure messages
      'insee-IPI-2010-A21-datastructure.xml': """<pandasdmx.StructureMessage>
    <Header>
      id: 'categorisation_1450864290565'
      prepared: '2015-12-23T09:51:30.565Z'
      receiver: 'unknown'
      sender: 'FR1'
    CategoryScheme (1): CLASSEMENT_DATAFLOWS
    Codelist (3): CL_FREQ CL_NAF2_A21 CL_NATURE
    ConceptScheme (1): CONCEPTS_INSEE
    DataflowDefinition (1): IPI-2010-A21
    DataStructureDefinition (1): IPI-2010-A21""",
  
      # This message shows the summarization feature: the DFD list is truncated
      'insee-dataflow.xml': """<pandasdmx.StructureMessage>
    <Header>
      id: 'dataflow_ENQ-CONJ-TRES-IND-PERSP_1450865196042'
      prepared: '2015-12-23T10:06:36.042Z'
      receiver: 'unknown'
      sender: 'FR1'
    DataflowDefinition (663): ACT-TRIM-ANC BPM6-CCAPITAL BPM6-CFINANCIER ...""",
  
      # Data message
      'ecb_exr_sg_xs.xml': """<pandasdmx.DataMessage>
    <Header>
      id: 'Generic'
      prepared: '2010-01-04T16:21:49+01:00'
      sender: 'ECB'
    DataSet (1)
    dataflow: <DataflowDefinition: 'STR1'=''>
    observation_dimension: [<Dimension: CURRENCY>]""",
  
      # This message has two DataSets:
      'exr-action-delete.json': """<pandasdmx.DataMessage>
    <Header>
      id: '62b5f19d-f1c9-495d-8446-a3661ed24753'
      prepared: '2012-11-29T08:40:26Z'
      sender: <Item: 'ECB'='European Central Bank'>
    DataSet (2)
    dataflow: <DataflowDefinition: 'None'=''>
    observation_dimension: [<Dimension: CURRENCY>]""",
  }
  
  
  def test_message_repr():
      for pattern, result in EXPECTED.items():
          with specimen(pattern) as f:
              msg = sdmx.read_sdmx(f)
          assert str(msg) == result
  
new_contents: import pandasdmx as sdmx
  
  from . import specimen
  
  
  EXPECTED = {
      # Structure messages
      'insee-IPI-2010-A21-datastructure.xml': """<pandasdmx.StructureMessage>
    <Header>
      id: 'categorisation_1450864290565'
      prepared: '2015-12-23T09:51:30.565Z'
      receiver: 'unknown'
      sender: 'FR1'
    CategoryScheme (1): CLASSEMENT_DATAFLOWS
    Codelist (3): CL_FREQ CL_NAF2_A21 CL_NATURE
    ConceptScheme (1): CONCEPTS_INSEE
    DataflowDefinition (1): IPI-2010-A21
    DataStructureDefinition (1): IPI-2010-A21""",
  
      # This message shows the summarization feature: the DFD list is truncated
      'insee-dataflow.xml': """<pandasdmx.StructureMessage>
    <Header>
      id: 'dataflow_ENQ-CONJ-TRES-IND-PERSP_1450865196042'
      prepared: '2015-12-23T10:06:36.042Z'
      receiver: 'unknown'
      sender: 'FR1'
    DataflowDefinition (663): ACT-TRIM-ANC BPM6-CCAPITAL BPM6-CFINANCIER ...""",
  
      # Data message
      'ecb_exr_sg_xs.xml': """<pandasdmx.DataMessage>
    <Header>
      id: 'Generic'
      prepared: '2010-01-04T16:21:49+01:00'
      sender: 'ECB'
    DataSet (1)
    dataflow: <DataflowDefinition: 'STR1'=''>
    observation_dimension: [<Dimension: CURRENCY>]""",
  
      # This message has two DataSets:
      'exr-action-delete.json': """<pandasdmx.DataMessage>
    <Header>
      id: '62b5f19d-f1c9-495d-8446-a3661ed24753'
      prepared: '2012-11-29T08:40:26Z'
      sender: <Item: 'ECB'='European Central Bank'>
    DataSet (2)
    dataflow: <DataflowDefinition: 'None'=''>
    observation_dimension: [<Dimension: CURRENCY>]""",
  }
  
  
  def test_message_repr():
      for pattern, expected in EXPECTED.items():
          with specimen(pattern) as f:
              msg = sdmx.read_sdmx(f)
          assert expected == repr(msg)
  
subject: Adjust test_message.py for cleaner diffs