def test_column(self):
"""A column can be constructed with no data."""
c = Column('foo')
self.assertEqual(list(c), [])
def test_column_data(self):
"""A column can be constructed with initial data."""
c = Column('foo', range(3))
self.assertEqual(list(c), [0, 1, 2])
def test_column_type(self):
"""A column can be constructed specifying a type."""
c = Column('foo', range(3), column_type=int)
self.assertEqual(list(c), [0, 1, 2])
def setUp(self):
input_col = Column(self.expected_name, [-1, 0, 1], column_type=float)
self.col = StandardizedColumn(column=input_col, deviation=1.0)
def setUp(self):
input_col = Column(self.expected_name, [0, 0.5, 1], column_type=float)
self.col = NormalizedColumn(column=input_col, normal=1.0)
def setUp(self):
input_col = Column(self.expected_name, ["A", "B", "C"],
column_type=str)
self.col = DerivedTableColumn(column=input_col,
indices_func=lambda: range(3))
def setUp(self):
input_col = Column("xxx", ["A", "B", "C"], column_type=str)
self.col = DerivedColumn(name=self.expected_name,
inputs=[input_col],
column_type=str,
func=lambda *c: "X" + "".join(c))
def setUp(self):
self.col = Column(self.expected_name, ["A", "B", "C"], column_type=str)