def test_is_parallel_repeating(self):
"""
Check the function doesn't mis-identify repeating notes (no motion).
"""
last = (2, 4)
current = (2, 4)
result = is_parallel(last, current)
self.assertEqual(False, result)
def test_is_parallel_contrary(self):
"""
Check the function doesn't mis-identify contrary motion.
"""
last = (2, 4)
current = (1, 5)
result = is_parallel(last, current)
self.assertEqual(False, result)
def test_is_parallel_falling(self):
"""
Detects falling parallel motion.
"""
last = (2, 4)
current = (1, 3)
result = is_parallel(last, current)
self.assertEqual(True, result)
def test_is_parallel_repeating(self):
"""
Check the function doesn't mis-identify repeating notes (no motion).
"""
last = (2, 4)
current = (2, 4)
result = is_parallel(last, current)
self.assertEqual(False, result)
def test_is_parallel_contrary(self):
"""
Check the function doesn't mis-identify contrary motion.
"""
last = (2, 4)
current = (1, 5)
result = is_parallel(last, current)
self.assertEqual(False, result)
def test_is_parallel_falling(self):
"""
Detects falling parallel motion.
"""
last = (2, 4)
current = (1, 3)
result = is_parallel(last, current)
self.assertEqual(True, result)
