def test_note_conversion_back_and_forth(self):
"""Tests that notes converted to frequencies and back are the same
notes."""
for note in self.notes:
frequency = sound.note_to_frequency(note)
result_note = sound.frequency_to_note(frequency)
assert note == result_note, "note %d != %d" % (note, result_note)
def test_note_to_frequency(self):
assert abs(sound.note_to_frequency(69) - 440) < 0.5
def equal_temperament_note(freq):
return sound.note_to_frequency(sound.frequency_to_note(freq))
