def test_from_dict_to_dict_roundtrip(self):
d = {}
self.assertEqual(TabularMSA.from_dict(d).to_dict(), d)
# can roundtrip even with mixed key types
d1 = {'a': DNA('CAT'), 42: DNA('TAG')}
d2 = TabularMSA.from_dict(d1).to_dict()
self.assertEqual(d2, d1)
self.assertIs(d1['a'], d2['a'])
self.assertIs(d1[42], d2[42])
def test_from_dict_to_dict_roundtrip(self):
d = {}
self.assertEqual(TabularMSA.from_dict(d).to_dict(), d)
# can roundtrip even with mixed key types
d1 = {'a': DNA('CAT'), 42: DNA('TAG')}
d2 = TabularMSA.from_dict(d1).to_dict()
self.assertEqual(d2, d1)
self.assertIs(d1['a'], d2['a'])
self.assertIs(d1[42], d2[42])
def test_from_dict_multiple_sequences(self):
msa = TabularMSA.from_dict(
{1: DNA('ACG'), 2: DNA('GGG'), 3: DNA('TAG')})
# Sort because order is arbitrary.
msa.sort()
self.assertEqual(
msa,
TabularMSA([DNA('ACG'), DNA('GGG'), DNA('TAG')], keys=[1, 2, 3]))
def test_from_dict_multiple_sequences(self):
msa = TabularMSA.from_dict({
1: DNA('ACG'),
2: DNA('GGG'),
3: DNA('TAG')
})
# Sort because order is arbitrary.
msa.sort()
self.assertEqual(
msa,
TabularMSA(
[DNA('ACG'), DNA('GGG'), DNA('TAG')], keys=[1, 2, 3]))
def test_from_dict_invalid_input(self):
# Basic test to make sure error-checking in the TabularMSA constructor
# is being invoked.
with six.assertRaisesRegex(self, ValueError, 'same length'):
TabularMSA.from_dict({'a': DNA('ACG'), 'b': DNA('ACGT')})
def test_from_dict_single_sequence(self):
self.assertEqual(TabularMSA.from_dict({'foo': DNA('ACGT')}),
TabularMSA([DNA('ACGT')], keys=['foo']))
def test_from_dict_empty(self):
self.assertEqual(TabularMSA.from_dict({}), TabularMSA([], keys=[]))
def test_from_dict_invalid_input(self):
# Basic test to make sure error-checking in the TabularMSA constructor
# is being invoked.
with six.assertRaisesRegex(self, ValueError, 'same length'):
TabularMSA.from_dict({'a': DNA('ACG'), 'b': DNA('ACGT')})
def test_from_dict_single_sequence(self):
self.assertEqual(TabularMSA.from_dict({'foo': DNA('ACGT')}),
TabularMSA([DNA('ACGT')], keys=['foo']))
def test_from_dict_empty(self):
self.assertEqual(TabularMSA.from_dict({}), TabularMSA([], keys=[]))