def test_measure_indexer_1(self):
     # When the parts are empty
     expected = pandas.DataFrame({'0': pandas.Series(), '1': pandas.Series()})
     test_parts = [stream.Part(), stream.Part()]
     ip = IndexedPiece('phony_file_location') # it doesn't matter what the string is becuase we supply part_streams 
     ip.metadata('parts', expected.columns)
     ip._analyses['part_streams'] = test_parts # supply part_streams.
     actual = ip._get_measure()['meter.MeasureIndexer']
     self.assertTrue(actual.equals(expected))
 def test_measure_indexer_2(self):
     # When the part has no Measure objects in it but a bunch of notes.
     expected = pandas.DataFrame({'0': pandas.Series()})
     test_part = stream.Part()
     # add stuff to the test_part
     for i in range(0, 20, 2):
         add_me = note.Note('C#5', quarterLength=2.0)
         add_me.offset = i
         test_part.append(add_me)
     test_part = [test_part] # finished adding stuff to the test_part
     ip = IndexedPiece('phony_file_location') # it doesn't matter what the string is becuase we supply part_streams 
     ip.metadata('parts', expected.columns)
     ip._analyses['part_streams'] = test_part # supply part_streams.
     actual = ip._get_measure()['meter.MeasureIndexer']
     self.assertTrue(actual.equals(expected))
 def test_measure_indexer_3(self):
     # When there are a bunch of measures with a note in each one.
     expected = pandas.DataFrame({'0': pandas.Series(range(1, 11), index=[float(x) for x in range(10)])})
     test_part = stream.Part()
     # add stuff to the test_part
     for i in range(1, 11):
         add_me = stream.Measure()
         add_me.number = i
         add_me.insert(note.Note('C#5', quarterLength=1.0))
         add_me.offset = i
         test_part.append(add_me)
     test_part = [test_part] # finished adding stuff to the test_part
     ip = IndexedPiece('phony_file_location') # it doesn't matter what the string is becuase we supply part_streams 
     ip.metadata('parts', expected.columns)
     ip._analyses['part_streams'] = test_part # supply part_streams.
     actual = ip._get_measure()['meter.MeasureIndexer']
     self.assertTrue(actual.equals(expected))