def test_yarn_init_c(self) -> None:
with self.assertRaises(ErrorInitYarn):
Yarn((ff.parse('s(2,2)'), ))
with self.assertRaises(ErrorInitYarn):
Yarn(Series((ff.parse('s(2,2)'), ), dtype=object))
def test_yarn_from_concat_b(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3))
b2 = Bus.from_frames((f4, f5, f6))
with temp_file('.zip') as fp1, temp_file('.zip') as fp2:
b1.to_zip_pickle(fp1)
b2.to_zip_pickle(fp2)
bus_a = Bus.from_zip_pickle(fp1, max_persist=1).rename('a')
bus_b = Bus.from_zip_pickle(fp2, max_persist=1).rename('b')
y1 = Yarn.from_concat((Yarn.from_buses((bus_a, ),
retain_labels=True),
Yarn.from_buses((bus_b, ),
retain_labels=True)))
y2 = Yarn.from_concat((y1, y1), index=IndexAutoFactory)
self.assertEqual(y2[3].shape, (2, 8))
self.assertEqual(y2[0].shape, (4, 2))
self.assertEqual(y2[5].shape, (6, 4))
y3 = y2.iloc[4:]
self.assertEqual(y3.shape, (8, ))
def test_yarn_equals_e(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3), name='a')
b2 = Bus.from_frames((f4, f5, f6), name='b')
y1 = Yarn.from_buses((b1, b2), retain_labels=True)
with temp_file('.zip') as fp1, temp_file('.zip') as fp2:
b1.to_zip_pickle(fp1)
b2.to_zip_pickle(fp2)
bus_a = Bus.from_zip_pickle(fp1, max_persist=1).rename('a')
bus_b = Bus.from_zip_pickle(fp2, max_persist=1).rename('b')
y2 = Yarn.from_buses((bus_a, bus_b), retain_labels=True)
self.assertEqual(y2.status['loaded'].sum(), 0)
self.assertTrue(y1.equals(y2))
self.assertEqual(y2.status['loaded'].sum(), 2)
def test_yarn_from_buses_a(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
y1 = Yarn.from_buses((b1, b2), retain_labels=True)
self.assertEqual(len(y1), 5)
self.assertEqual(y1.index.shape, (5, 2))
self.assertEqual(y1.shape, (5, ))
self.assertEqual(y1.size, 5)
self.assertEqual(y1.dtype, object)
self.assertEqual(y1.ndim, 1)
y3 = y1[('a', 'f2'):] #type: ignore
self.assertEqual(y3.shape, (4, ))
y2 = Yarn.from_buses((b1, b2), retain_labels=False)
self.assertEqual(len(y2), 5)
self.assertEqual(y2.index.shape, (5, ))
self.assertEqual(y1.shape, (5, ))
self.assertEqual(y1.size, 5)
self.assertEqual(y1.dtype, object)
self.assertEqual(y1.ndim, 1)
def test_yarn_init_b(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3))
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5))
y1 = Yarn((b1, b2), index=tuple('abcde'))
self.assertEqual(y1.index.values.tolist(), list('abcde'))
self.assertEqual(y1[['a', 'c', 'e']].shape, (3, ))
y2 = Yarn((b1, b2))
self.assertEqual(y2.index.values.tolist(), list(range(5)))
self.assertEqual(y2[2:].shape, (3, ))
y3 = Yarn((b2, ),
index=('2021-01-01', '2021-02-15'),
index_constructor=IndexDate)
self.assertEqual(y3.index.__class__, IndexDate)
self.assertEqual(
y3.index.values.tolist(),
[datetime.date(2021, 1, 1),
datetime.date(2021, 2, 15)])
with self.assertRaises(ErrorInitYarn):
y4 = Yarn((b2, ), index=range(5))
def test_yarn_relabel_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3))
b2 = Bus.from_frames((f4, ))
b3 = Bus.from_frames((f5, f6))
y1 = Yarn((b1, b2, b3))
self.assertEqual(
y1.relabel(lambda x: f'--{x}--').loc['--4--'].shape, (4, 4))
# None is a no-op
self.assertEqual(y1.relabel(None).loc[4].shape, (4, 4))
with self.assertRaises(RelabelInvalid):
y1.relabel({3, 4, 5})
self.assertEqual(
y1.relabel(tuple('abcdef'))['d':].status['shape'].to_pairs(),
(('d', (2, 8)), ('e', (4, 4)), ('f', (6, 4))))
y2 = Yarn((b1, b2, b3), index=tuple('abcdef'))
self.assertEqual(y2.index.values.tolist(),
['a', 'b', 'c', 'd', 'e', 'f'])
self.assertEqual(
y2.relabel(IndexAutoFactory).index.values.tolist(),
[0, 1, 2, 3, 4, 5])
def test_yarn_rehierarch_b(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3))
y1 = Yarn((b1, ))
with self.assertRaises(RuntimeError):
y1.rehierarch((1, 0))
def test_yarn_equals_b(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
b1 = Bus.from_frames((f1, f2), name='a')
b2 = Bus.from_frames((f3, f4), name='b')
y1 = Yarn.from_buses((b1, b2), retain_labels=False)
y2 = Yarn.from_buses((b1, ), retain_labels=False)
# fails on length
self.assertFalse(y1.equals(y2))
def test_yarn_equals_d(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4a = ff.parse('s(2,8)').rename('f4')
f4b = ff.parse('s(2,8)|v(str)').rename('f4')
b1 = Bus.from_frames((f1, f2), name='a')
b2a = Bus.from_frames((f3, f4a), name='b')
b2b = Bus.from_frames((f3, f4b), name='b')
y1 = Yarn.from_buses((b1, b2a), retain_labels=False)
y2 = Yarn.from_buses((b1, b2b), retain_labels=False)
# fails on index
self.assertFalse(y1.equals(y2))
def test_yarn_drop_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3), name='b1')
b2 = Bus.from_frames((f4, ), name='b2')
b3 = Bus.from_frames((f5, f6), name='b3')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=False)
y2 = y1.drop['f3':'f5'] #type: ignore
self.assertEqual(len(y2._series), 2) # 2 buses remain
self.assertEqual([(f.name, f.shape) for f in y2.values],
[('f1', (4, 2)), ('f2', (4, 5)), ('f6', (6, 4))])
y3 = y1.drop[y1.index.isin(('f1', 'f6'))]
self.assertEqual([(f.name, f.shape) for f in y3.values],
[('f2', (4, 5)), ('f3', (2, 2)), ('f4', (2, 8)),
('f5', (4, 4))])
y4 = y1.drop['f4']
self.assertEqual([(f.name, f.shape) for f in y4.values],
[('f1', (4, 2)), ('f2', (4, 5)), ('f3', (2, 2)),
('f5', (4, 4)), ('f6', (6, 4))])
y5 = y1.drop[['f4', 'f5', 'f6']]
self.assertEqual([(f.name, f.shape) for f in y5.values],
[('f1', (4, 2)), ('f2', (4, 5)), ('f3', (2, 2))])
def test_yarn_drop_b(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3), name='b1')
b2 = Bus.from_frames((f4, ), name='b2')
b3 = Bus.from_frames((f5, f6), name='b3')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=False)
y2 = y1.drop.iloc[2:5]
self.assertEqual(len(y2._series), 2) # 2 buses remain
self.assertEqual([(f.name, f.shape) for f in y2.values],
[('f1', (4, 2)), ('f2', (4, 5)), ('f6', (6, 4))])
y3 = y1.drop.iloc[np.array([True, False, False, False, False, True])]
self.assertEqual([(f.name, f.shape) for f in y3.values],
[('f2', (4, 5)), ('f3', (2, 2)), ('f4', (2, 8)),
('f5', (4, 4))])
y4 = y1.drop.iloc[3]
self.assertEqual([(f.name, f.shape) for f in y4.values],
[('f1', (4, 2)), ('f2', (4, 5)), ('f3', (2, 2)),
('f5', (4, 4)), ('f6', (6, 4))])
y5 = y1.drop.iloc[[3, 4, 5]]
self.assertEqual([(f.name, f.shape) for f in y5.values],
[('f1', (4, 2)), ('f2', (4, 5)), ('f3', (2, 2))])
def test_yarn_unpersist_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3))
b2 = Bus.from_frames((f4, f5, f6))
with temp_file('.zip') as fp1, temp_file('.zip') as fp2:
b1.to_zip_pickle(fp1)
b2.to_zip_pickle(fp2)
bus_a = Bus.from_zip_pickle(fp1, max_persist=1).rename('a')
bus_b = Bus.from_zip_pickle(fp2, max_persist=1).rename('b')
y1 = Yarn.from_buses((bus_a, bus_b), retain_labels=False)
self.assertEqual(len(tuple(y1.items())), 6)
self.assertEqual(y1.status['loaded'].sum(), 2)
y1.unpersist()
self.assertEqual(y1.status['loaded'].sum(), 0)
self.assertEqual(len(tuple(y1.items())), 6)
self.assertEqual(y1.status['loaded'].sum(), 2)
def test_yarn_items_b(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3))
b2 = Bus.from_frames((f4, f5, f6))
with temp_file('.zip') as fp1, temp_file('.zip') as fp2:
b1.to_zip_pickle(fp1)
b2.to_zip_pickle(fp2)
bus_a = Bus.from_zip_pickle(fp1, max_persist=1).rename('a')
bus_b = Bus.from_zip_pickle(fp2, max_persist=1).rename('b')
y1 = Yarn.from_buses((bus_a, bus_b), retain_labels=False)
s1 = y1.to_series()
self.assertEqual([(label, f.shape) for label, f in s1.items()],
[('f1', (4, 2)), ('f2', (4, 5)), ('f3', (2, 2)),
('f4', (2, 8)), ('f5', (4, 4)), ('f6', (6, 4))])
def test_yarn_max_persist(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3))
b2 = Bus.from_frames((f4, f5, f6))
with temp_file('.zip') as fp1, temp_file('.zip') as fp2:
b1.to_zip_pickle(fp1)
b2.to_zip_pickle(fp2)
bus_a = Bus.from_zip_pickle(fp1, max_persist=1).rename('a')
bus_b = Bus.from_zip_pickle(fp2, max_persist=1).rename('b')
y1 = Yarn.from_buses((bus_a, bus_b), retain_labels=False)
self.assertEqual(y1.nbytes, 0)
self.assertEqual(y1.status['loaded'].sum(), 0)
self.assertEqual(y1['f2'].shape, (4, 5))
self.assertEqual(y1['f6'].shape, (6, 4))
self.assertEqual(y1.nbytes, 352)
self.assertEqual(y1.status['loaded'].sum(), 2)
self.assertEqual(y1.shapes.to_pairs(),
(('f1', None), ('f2', (4, 5)), ('f3', None),
('f4', None), ('f5', None), ('f6', (6, 4))))
self.assertEqual(y1.mloc.isna().sum(), 4)
self.assertEqual((y1.dtypes == float).sum().sum(), 9)
def test_yarn_items_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3))
b2 = Bus.from_frames((f4, f5, f6))
with temp_file('.zip') as fp1, temp_file('.zip') as fp2:
b1.to_zip_pickle(fp1)
b2.to_zip_pickle(fp2)
bus_a = Bus.from_zip_pickle(fp1, max_persist=1).rename('a')
bus_b = Bus.from_zip_pickle(fp2, max_persist=1).rename('b')
y1 = Yarn.from_buses((bus_a, bus_b), retain_labels=False)
labels = []
for label, frame in y1.items():
self.assertTrue(frame.__class__ is Frame)
labels.append(label)
self.assertEqual(labels, list(y1.index))
self.assertEqual(y1.status['loaded'].sum(), 2)
self.assertEqual(
y1.status.loc[y1.status['loaded']].index.values.tolist(),
['f3', 'f6'])
def test_yarn_loc_e(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
f6 = ff.parse('s(2,4)|v(int,float)').rename('f6')
f7 = ff.parse('s(4,2)|v(str)').rename('f7')
b3 = Bus.from_frames((f6, f7), name='c')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=False, name='foo')
y2 = y1['f2':'f6'] #type: ignore
self.assertEqual(y2.shapes.to_pairs(),
(('f2', (4, 4)), ('f3', (4, 4)), ('f4', (4, 4)),
('f5', (4, 4)), ('f6', (2, 4))))
self.assertEqual(y2['f5'].to_pairs(),
((0, ((0, 'zjZQ'), (1, 'zO5l'), (2, 'zEdH'),
(3, 'zB7E'))), (1, ((0, 'zaji'), (1, 'zJnC'),
(2, 'zDdR'), (3, 'zuVU'))),
(2, ((0, 'ztsv'), (1, 'zUvW'), (2, 'zkuW'),
(3, 'zmVj'))), (3, ((0, 'z2Oo'), (1, 'z5l6'),
(2, 'zCE3'), (3, 'zr4u')))))
def test_yarn_equals_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
b1 = Bus.from_frames((f1, f2), name='a')
b2 = Bus.from_frames((f3, f4), name='b')
y1 = Yarn.from_buses((b1, b2), retain_labels=False, name='foo')
y2 = Yarn.from_buses((b1, b2), retain_labels=False, name='bar')
self.assertTrue(y1.equals(y1))
self.assertFalse(y1.equals(f1))
self.assertFalse(y1.equals(f1, compare_class=True))
self.assertTrue(y1.equals(y2))
self.assertFalse(y1.equals(y2, compare_name=True))
def test_yarn_relabel_level_add_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3))
b2 = Bus.from_frames((f4, ))
b3 = Bus.from_frames((f5, f6))
y1 = Yarn((b1, b2, b3),
index=IndexHierarchy.from_product(('a', 'b'), (1, 2, 3)))
self.assertEqual(
y1.relabel_level_add('c').iloc[4:].status['shape'].to_pairs(),
((('c', 'b', 2), (4, 4)), (('c', 'b', 3), (6, 4))))
def test_yarn_from_concat_a(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
f6 = ff.parse('s(2,4)|v(int,float)').rename('f6')
f7 = ff.parse('s(4,2)|v(str)').rename('f7')
b3 = Bus.from_frames((f6, f7), name='c')
y1 = Yarn.from_concat((Yarn.from_buses((b1,), retain_labels=True), Yarn.from_buses((b2, b3), retain_labels=True)))
self.assertEqual(y1.shape, (7,))
self.assertEqual(y1.index.values.tolist(),
[['a', 'f1'], ['a', 'f2'], ['a', 'f3'], ['b', 'f4'], ['b', 'f5'], ['c', 'f6'], ['c', 'f7']]
)
def test_yarn_dtypes_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
b1 = Bus.from_frames((f1, f2), name='a')
b2 = Bus.from_frames((f3, f4), name='b')
y1 = Yarn.from_buses((b1, b2), retain_labels=False)
self.assertEqual(y1.dtypes.shape, (4, 8))
def test_yarn_size_a(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
y1 = Yarn.from_buses((b1, b2), retain_labels=False, name='foo')
self.assertEqual(y1.size, 5)
def test_yarn_contains_a(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
f6 = ff.parse('s(2,4)|v(int,float)').rename('f6')
f7 = ff.parse('s(4,2)|v(str)').rename('f7')
b3 = Bus.from_frames((f6, f7), name='c')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=False, name='foo')
self.assertTrue('f6' in y1)
def test_yarn_display_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3), name='a')
b2 = Bus.from_frames((f4, f5, f6), name='b')
y1 = Yarn.from_buses((b1, b2), retain_labels=False)
d = y1.display(DisplayConfig(type_show=True, type_color=False))
self.assertEqual(d.to_rows(),
['<Yarn>', '<Index>', 'f1 Frame', 'f2 Frame', 'f3 Frame', 'f4 Frame', 'f5 Frame', 'f6 Frame', '<<U2> <object>'])
def test_yarn_reversed_a(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
f6 = ff.parse('s(2,4)|v(int,float)').rename('f6')
f7 = ff.parse('s(4,2)|v(str)').rename('f7')
b3 = Bus.from_frames((f6, f7), name='c')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=False)
self.assertEqual(tuple(reversed(y1)), ('f7', 'f6', 'f5', 'f4', 'f3', 'f2', 'f1'))
def test_yarn_values_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3), name='a')
b2 = Bus.from_frames((f4, f5, f6), name='b')
y1 = Yarn.from_buses((b1, b2), retain_labels=False)
s1 = y1.values
self.assertEqual(len(s1), len(y1))
self.assertEqual([f.shape for f in y1.values], [(4, 2), (4, 5), (2, 2),
(2, 8), (4, 4),
(6, 4)])
def test_yarn_loc_c(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
f6 = ff.parse('s(2,4)|v(int,float)').rename('f6')
f7 = ff.parse('s(4,2)|v(str)').rename('f7')
b3 = Bus.from_frames((f6, f7), name='c')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=True, name='foo')
y2 = y1.loc[[('a', 'f3'), ('b', 'f5'), ('c', 'f6')]]
self.assertEqual(y2.shapes.to_pairs(),
((('a', 'f3'), (4, 4)), (('b', 'f5'), (4, 4)), (('c', 'f6'), (2, 4))))
def test_yarn_from_buses_b(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
f6 = ff.parse('s(2,4)|v(int,float)').rename('f6')
f7 = ff.parse('s(4,2)|v(str)').rename('f7')
b3 = Bus.from_frames((f6, f7), name='c')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=True)
self.assertEqual(y1.shape, (7, ))
self.assertEqual(len(y1), 7)
def test_yarn_iloc_a(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
f6 = ff.parse('s(2,4)|v(int,float)').rename('f6')
f7 = ff.parse('s(4,2)|v(str)').rename('f7')
b3 = Bus.from_frames((f6, f7), name='c')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=False, name='foo')
self.assertEqual(y1.iloc[3].shape, (4, 4))
self.assertEqual(y1.iloc[3:].shape, (4,))
self.assertEqual(y1.iloc[[1, 6]].shape, (2,))
self.assertEqual(y1.iloc[y1.index.via_str.startswith('f3')].shape, (1,))
def test_yarn_iter_element_a(self) -> None:
f1 = ff.parse('s(4,2)').rename('f1')
f2 = ff.parse('s(4,5)').rename('f2')
f3 = ff.parse('s(2,2)').rename('f3')
f4 = ff.parse('s(2,8)').rename('f4')
f5 = ff.parse('s(4,4)').rename('f5')
f6 = ff.parse('s(6,4)').rename('f6')
b1 = Bus.from_frames((f1, f2, f3), name='b1')
b2 = Bus.from_frames((f4, f5, f6), name='b2')
y1 = Yarn.from_buses((b1, b2), retain_labels=False)
s1 = y1.iter_element().apply(lambda f: f.shape)
self.assertEqual(s1.to_pairs(),
(('f1', (4, 2)), ('f2', (4, 5)), ('f3', (2, 2)), ('f4', (2, 8)), ('f5', (4, 4)), ('f6', (6, 4))))
self.assertEqual([f.name for f in y1.iter_element() if f.shape[0] > 2], #type: ignore
['f1', 'f2', 'f5', 'f6'],
)
def test_yarn_loc_b(self) -> None:
f1 = ff.parse('s(4,4)|v(int,float)').rename('f1')
f2 = ff.parse('s(4,4)|v(str)').rename('f2')
f3 = ff.parse('s(4,4)|v(bool)').rename('f3')
b1 = Bus.from_frames((f1, f2, f3), name='a')
f4 = ff.parse('s(4,4)|v(int,float)').rename('f4')
f5 = ff.parse('s(4,4)|v(str)').rename('f5')
b2 = Bus.from_frames((f4, f5), name='b')
f6 = ff.parse('s(2,4)|v(int,float)').rename('f6')
f7 = ff.parse('s(4,2)|v(str)').rename('f7')
b3 = Bus.from_frames((f6, f7), name='c')
y1 = Yarn.from_buses((b1, b2, b3), retain_labels=False, name='foo')
y2 = y1.loc[y1.index.via_re('[26]').search()]
self.assertEqual(y2.index.values.tolist(), ['f2', 'f6'])
self.assertEqual(y2.shapes.to_pairs(),
(('f2', (4, 4)), ('f6', (2, 4))))
self.assertEqual(y2.name, 'foo')
