def test_unisons_incorrect(self):
fs = FirstSpecies([c, d, c], [g, d, g])
fs.check()
self.assertEqual(len(fs.results), 1)
self.assertEqual(str(fs.results[0]),
str(FirstSpeciesError('Only the first and last '
'intervals may contain a unison')))
def test_last_interval_incorrect(self):
"""The first interval must be a unison, fifth or octave."""
fs = FirstSpecies([c, g, c], [c5, b, a])
fs.check()
self.assertEqual(len(fs.results), 1)
self.assertEqual(str(fs.results[0]),
str(FirstSpeciesError('The counterpoint must end with a'
' unison, fifth or octave.')))
class TestFirstSpecies(unittest.TestCase):
def setUp(self):
"""Create two melodic lines."""
self.cf = [d, f, g, f, e, d]
self.cm = [d5, a, b, d5, c5sharp, d5]
self.fs = FirstSpecies(self.cf, self.cm)
self.fs.check()
def test_check_all(self):
self.assertEqual(self.fs.results, [])
def test_create_intervals(self):
intervals = [HarmonicInterval(cf, cm) for cf, cm in zip(self.cf, self.cm)]
self.assertEqual(self.fs.harmonic_intervals, intervals)
def test_cf_intervals(self):
"""Test that the cantus firmus melodic intervals have been created
correctly."""
# TODO
def test_cm_intervals(self):
"""Test that the counter melody melodic intervals have been created
correctly."""
# TODO
def test_first_interval_correct(self):
"""The first interval must be a unison, fifth or octave."""
fs = FirstSpecies([c, g, c], [c5, b, c5])
fs.check()
self.assertEqual(fs.results, [])
def test_first_interval_incorrect(self):
fs = FirstSpecies([c, g, c], [b, b, c5])
fs.check()
self.assertEqual(str(fs.results[0]),
str(FirstSpeciesError('The counterpoint must begin with a'
' unison, fifth or octave.')))
def test_last_interval_correct(self):
# TODO
pass
def test_last_interval_incorrect(self):
"""The first interval must be a unison, fifth or octave."""
fs = FirstSpecies([c, g, c], [c5, b, a])
fs.check()
self.assertEqual(len(fs.results), 1)
self.assertEqual(str(fs.results[0]),
str(FirstSpeciesError('The counterpoint must end with a'
' unison, fifth or octave.')))
def test_unisons_correct(self):
fs = FirstSpecies([c, b3, c], [c, d, c])
fs.check()
self.assertEqual(fs.results, [])
def test_unisons_incorrect(self):
fs = FirstSpecies([c, d, c], [g, d, g])
fs.check()
self.assertEqual(len(fs.results), 1)
self.assertEqual(str(fs.results[0]),
str(FirstSpeciesError('Only the first and last '
'intervals may contain a unison')))
def test_parallel_correct(self):
fs = FirstSpecies([c, g, c], [c5, b, c5])
fs.check()
self.assertEqual(fs.results, [])
def test_parallel_incorrect(self):
fs = FirstSpecies([c, d], [c5, d5])
fs.check()
self.assertEqual(str(fs.results[0]),
str(FirstSpeciesError('Parallel octave or fifth')))
def test_parallel_incorrect(self):
fs = FirstSpecies([c, d], [c5, d5])
fs.check()
self.assertEqual(str(fs.results[0]),
str(FirstSpeciesError('Parallel octave or fifth')))
def test_parallel_correct(self):
fs = FirstSpecies([c, g, c], [c5, b, c5])
fs.check()
self.assertEqual(fs.results, [])
def test_unisons_correct(self):
fs = FirstSpecies([c, b3, c], [c, d, c])
fs.check()
self.assertEqual(fs.results, [])
def test_first_interval_incorrect(self):
fs = FirstSpecies([c, g, c], [b, b, c5])
fs.check()
self.assertEqual(str(fs.results[0]),
str(FirstSpeciesError('The counterpoint must begin with a'
' unison, fifth or octave.')))
def test_first_interval_correct(self):
"""The first interval must be a unison, fifth or octave."""
fs = FirstSpecies([c, g, c], [c5, b, c5])
fs.check()
self.assertEqual(fs.results, [])