def test_Recode_To_Binary_absent_state_but_keep_zero():
orig = {'Maori': '0', 'Dutch': '2', 'Latin': '1'}
states, recoded = _recode_to_binary(orig, keep_zero=True)
assert states == ('0', '1', '2')
assert recoded['Maori'] == '100', recoded
assert recoded['Dutch'] == '001', recoded
assert recoded['Latin'] == '010', recoded
def test_error_on_integer(self):
orig = {'Maori': 1, 'Dutch': '1', 'Latin': '1'}
with self.assertRaises(ValueError):
recoded = _recode_to_binary(orig)
def test_polymorphic_states(self):
orig = {'Maori': '1,3', 'Dutch': '2', 'Latin': '3'}
recoded = _recode_to_binary(orig)
assert recoded['Maori'] == '101', recoded
assert recoded['Dutch'] == '010', recoded
assert recoded['Latin'] == '001', recoded
def test_noncontiguous_states(self):
orig = {'Maori': '1', 'Dutch': '5', 'Latin': '9'}
recoded = _recode_to_binary(orig)
assert recoded['Maori'] == '100'
assert recoded['Dutch'] == '010'
assert recoded['Latin'] == '001'
def test_gap_state(self):
orig = {'Maori': '-', 'Dutch': '2', 'Latin': '1'}
recoded = _recode_to_binary(orig)
assert recoded['Maori'] == '00'
assert recoded['Dutch'] == '01'
assert recoded['Latin'] == '10'
def test_absent_state_but_keep_zero(self):
orig = {'Maori': '0', 'Dutch': '2', 'Latin': '1'}
recoded = _recode_to_binary(orig, keep_zero=True)
assert recoded['Maori'] == '100', recoded
assert recoded['Dutch'] == '001', recoded
assert recoded['Latin'] == '010', recoded
def test_absent_state(self):
orig = {'Maori': '0', 'Dutch': '2', 'Latin': '1'}
recoded = _recode_to_binary(orig)
assert recoded['Maori'] == '00', recoded
assert recoded['Dutch'] == '01', recoded
assert recoded['Latin'] == '10', recoded
def test_one(self):
orig = {'Maori': '1', 'Dutch': '1', 'Latin': '1'}
recoded = _recode_to_binary(orig)
assert recoded['Maori'] == '1'
assert recoded['Dutch'] == '1'
assert recoded['Latin'] == '1'
def test_error_on_badvalue(self):
orig = {'Maori': None, 'Dutch': '1', 'Latin': '1'}
with self.assertRaises(ValueError):
_recode_to_binary(orig)
def test_Recode_To_Binary_error_on_integer():
orig = {'Maori': 1, 'Dutch': '1', 'Latin': '1'}
with pytest.raises(ValueError):
_recode_to_binary(orig)
def test_recode_to_binary(input, expected):
states, recoded = _recode_to_binary(
dict(zip(['Maori', 'Dutch', 'Latin'], input)))
assert states == expected[0]
assert recoded == dict(zip(['Maori', 'Dutch', 'Latin'], expected[1]))
def test_error_on_badvalue(self):
orig = {'Maori': None, 'Dutch': '1', 'Latin': '1'}
with self.assertRaises(ValueError):
_recode_to_binary(orig)