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# pylint: disable=protected-access
import unittest
from unittest.mock import Mock
import numpy as np
from Orange.data import ContinuousVariable, TimeVariable, \
DiscreteVariable, StringVariable, Table
from Orange.data.io_base import _TableHeader, _TableBuilder, DataTableMixin
class InitTestData(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.header0 = [["0.1", "0.5", "0.1", "21.0"],
["0.2", "0.1", "2.5", "123.0"],
["0.0", "0.0", "0.0", "0.0"]]
cls.header1 = [["a", "b", "c", "d"],
["red", "2019-10-10", "0.0", "21.0"],
["red", "2019-10-12", "0.0", "123.0"],
["green", "2019-10-11", "", "0.0"]]
cls.header1_flags = [["m#a", "cC#b", "m#c", "d", "i#e", "f"],
["red", "0.5", "0.0", "0.0", "aa", "a"],
["red", "0.1", "1.0", "1.0", "b", "b"],
["green", "0.0", "2.0", "2.0", "c", "c"]]
cls.header1_flags2 = [["D#a1", "D#a2", "cD#a3", "C#a4", "S#a5",
"mS#a6", "T#a7", "mT#a8", "T#a9"],
["", "0", "", "0", "a", "a",
"2024-01-01", "2024-01-01", ""],
["", "1", "", "1", "b", "b",
"2024-01-01", "2024-01-01", ""],
["green", "0.0", "2.0", "2.0", "c", "c"]]
cls.header3 = [["a", "b", "c", "d", "w", "e", "f", "g"],
["d", "c", "c", "c", "c", "d", "s", "yes no"],
["meta", "class", "meta", "", "weight", "i", "", ""],
["red", "0.5", "0.0", "0.0", "0.5", "aa", "a", "no"]]
class TestTableHeader(InitTestData):
def test_rename_variables(self):
th = _TableHeader([["a", "", "b", "", "a"]])
self.assertListEqual(th.names, ["a (1)", "", "b", "", "a (2)"])
def test_get_header_data_0(self):
names, types, flags = _TableHeader.create_header_data([])
self.assertListEqual(names, [])
self.assertListEqual(types, [])
self.assertListEqual(flags, [])
def test_get_header_data_1(self):
names, types, flags = _TableHeader.create_header_data(self.header1[:1])
self.assertListEqual(names, ["a", "b", "c", "d"])
self.assertListEqual(types, ["", "", "", ""])
self.assertListEqual(flags, ["", "", "", ""])
def test_get_header_data_1_flags(self):
names, types, flags = _TableHeader.create_header_data(
self.header1_flags[:1])
self.assertListEqual(names, ["a", "b", "c", "d", "e", "f"])
self.assertListEqual(types, ["", "c", "", "", "", ""])
self.assertListEqual(flags, ["m", "c", "m", "", "i", ""])
def test_get_header_data_1_flags2(self):
names, types, flags = _TableHeader.create_header_data(
self.header1_flags2[:1])
names_ = ["a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9"]
types_ = ["d", "d", "d", "c", "s", "s", "t", "t", "t"]
flags_ = ["", "", "c", "", "", "m", "", "m", ""]
self.assertListEqual(names, names_)
self.assertListEqual(types, types_)
self.assertListEqual(flags, flags_)
def test_get_header_data_1_hashes(self):
names, types, flags = _TableHeader.create_header_data(
[["Some long text#and here", "vd#Invalid spec", "C#Valid spec",
"m#Meta", "cD#Discrete class", "Si#Ignored string"]])
names_ = ["Some long text#and here", "vd#Invalid spec", "Valid spec",
"Meta", "Discrete class", "Ignored string"]
types_ = ["", "", "c", "", "d", "s"]
flags_ = ["", "", "", "m", "c", "i"]
self.assertListEqual(names, names_)
self.assertListEqual(types, types_)
self.assertListEqual(flags, flags_)
def test_get_header_data_3(self):
names, types, flags = _TableHeader.create_header_data(self.header3[:3])
self.assertListEqual(names, ["a", "b", "c", "d", "w", "e", "f", "g"])
self.assertListEqual(
types, ["d", "c", "c", "c", "c", "d", "s", "yes no"])
self.assertListEqual(
flags, ["meta", "class", "meta", "", "weight", "i", "", ""])
class TestTableBuilder(InitTestData):
def test_string_column(self):
data = np.array(self.header1[1:])
creator = _TableBuilder._get_column_creator("s")
column = creator(data, 0)
self.assertIsNone(column.valuemap)
np.testing.assert_array_equal(column.values, ["red", "red", "green"])
np.testing.assert_array_equal(column.orig_values,
["red", "red", "green"])
self.assertEqual(column.coltype, StringVariable)
self.assertDictEqual(column.coltype_kwargs, {})
def test_continuous_column(self):
data = np.array(self.header0)
creator = _TableBuilder._get_column_creator("c")
column = creator(data, 0)
self.assertIsNone(column.valuemap)
np.testing.assert_array_equal(column.values, [0.1, 0.2, 0])
np.testing.assert_array_equal(column.orig_values,
["0.1", "0.2", "0.0"])
self.assertEqual(column.coltype, ContinuousVariable)
self.assertDictEqual(column.coltype_kwargs, {})
def test_continuous_column_raises(self):
data = np.array([["a", "2"], ["3", "4"]])
creator = _TableBuilder._get_column_creator("c")
self.assertRaises(ValueError, creator, data, 0)
def test_time_column(self):
data = np.array(self.header1[1:])
creator = _TableBuilder._get_column_creator("t")
column = creator(data, 1)
self.assertIsNone(column.valuemap)
np.testing.assert_array_equal(
column.values, ['2019-10-10', '2019-10-12', '2019-10-11'])
np.testing.assert_array_equal(
column.orig_values, ['2019-10-10', '2019-10-12', '2019-10-11'])
self.assertEqual(column.coltype, TimeVariable)
self.assertDictEqual(column.coltype_kwargs, {})
def test_discrete_column(self):
data = np.array(self.header1[1:])
creator = _TableBuilder._get_column_creator("d")
columns = creator(data, 0)
self.assertListEqual(columns.valuemap, ['green', 'red'])
np.testing.assert_array_equal(columns.values, ["red", "red", "green"])
np.testing.assert_array_equal(columns.orig_values,
["red", "red", "green"])
self.assertEqual(columns.coltype, DiscreteVariable)
self.assertDictEqual(columns.coltype_kwargs, {})
def test_column_parts_discrete_values(self):
data = np.array(self.header1[1:])
vals = "green red"
creator = _TableBuilder._get_column_creator(vals)
column = creator(data, 0, vals)
self.assertListEqual(column.valuemap, ['green', 'red'])
np.testing.assert_array_equal(column.values, ["red", "red", "green"])
np.testing.assert_array_equal(column.orig_values,
["red", "red", "green"])
self.assertEqual(column.coltype, DiscreteVariable)
self.assertDictEqual(column.coltype_kwargs, {})
def test_unknown_type_column(self):
data = np.array(self.header0)
creator = _TableBuilder._get_column_creator("")
column = creator(data, 0)
self.assertIsNone(column.valuemap)
np.testing.assert_array_equal(column.values, [0.1, 0.2, 0])
np.testing.assert_array_equal(column.orig_values, ["0.1", "0.2", "0.0"])
self.assertEqual(column.coltype, ContinuousVariable)
self.assertDictEqual(column.coltype_kwargs, {})
class TestDataTableMixin(InitTestData):
def test_data_table_empty(self):
self.assertIsInstance(DataTableMixin.data_table([]), Table)
def test_data_table_0(self):
self.assertIsInstance(DataTableMixin.data_table(self.header0), Table)
def test_data_table_1(self):
self.assertIsInstance(DataTableMixin.data_table(self.header1), Table)
def test_data_table_1_flags(self):
self.assertIsInstance(DataTableMixin.data_table(
self.header1_flags), Table)
def test_data_table_3(self):
self.assertIsInstance(DataTableMixin.data_table(self.header3), Table)
def test_parse_headers_empty(self):
headers, data = DataTableMixin.parse_headers([])
self.assertListEqual(headers, [])
self.assertListEqual(list(data), [])
def test_parse_headers_0(self):
hdata = self.header0
headers, data = DataTableMixin.parse_headers(hdata)
self.assertListEqual(headers, [])
self.assertListEqual(list(data), hdata)
def test_parse_headers_1(self):
hdata = self.header1
headers, data = DataTableMixin.parse_headers(hdata)
self.assertListEqual(headers, [["a", "b", "c", "d"]])
self.assertListEqual(list(data), hdata[1:])
def test_parse_headers_1_flags(self):
hdata = self.header1_flags
headers, data = DataTableMixin.parse_headers(hdata)
self.assertListEqual(
headers, [["m#a", "cC#b", "m#c", "d", "i#e", "f"]])
self.assertListEqual(list(data), hdata[1:])
def test_parse_headers_3(self):
hdata = self.header3
headers, data = DataTableMixin.parse_headers(hdata)
self.assertListEqual(
headers, [["a", "b", "c", "d", "w", "e", "f", "g"],
["d", "c", "c", "c", "c", "d", "s", "yes no"],
["meta", "class", "meta", "", "weight", "i", "", ""]])
self.assertListEqual(list(data), hdata[3:])
def test_adjust_data_width_lengthen(self):
names, types, flags = ["a", "b", "c", "d", "e"], ["", "c"], ["m", "c"]
header = Mock()
header.names = names
header.types = types
header.flags = flags
adjusted, n = DataTableMixin.adjust_data_width(self.header0, header)
_data = np.hstack((np.array(self.header0, dtype=object),
np.array([[""]] * 3, dtype=object)))
np.testing.assert_array_equal(_data, adjusted)
self.assertEqual(adjusted.shape, (len(self.header0), 5))
self.assertEqual(n, 5)
self.assertListEqual(names, ["a", "b", "c", "d", "e"])
self.assertListEqual(types, ["", "c", "", "", ""])
self.assertListEqual(flags, ["m", "c", "", "", ""])
def test_adjust_data_width_shorten(self):
names, types, flags = ["a", "b", "c"], ["", "c"], ["m", "c"]
header = Mock()
header.names = names
header.types = types
header.flags = flags
with self.assertWarns(UserWarning):
adjusted, n = DataTableMixin.adjust_data_width(self.header0, header)
np.testing.assert_array_equal(
adjusted, np.array(self.header0, dtype=object)[:, :3])
self.assertEqual(adjusted.shape, (len(self.header0), 3))
self.assertEqual(n, 3)
self.assertListEqual(names, ["a", "b", "c"])
self.assertListEqual(types, ["", "c", ""])
self.assertListEqual(flags, ["m", "c", ""])
def test_adjust_data_width_empty(self):
names, types, flags = ["a", "b"], [], []
header = Mock()
header.names = names
header.types = types
header.flags = flags
data = [["", ""], ["", ""]]
adjusted, n = DataTableMixin.adjust_data_width(data, header)
np.testing.assert_array_equal(adjusted, [])
self.assertEqual(n, 2)
self.assertListEqual(names, ["a", "b"])
self.assertListEqual(types, [])
self.assertListEqual(flags, [])
if __name__ == '__main__':
unittest.main()
|
