def test_WhenEvaluateA_ItShouldBe0(self):
"""
When the string list is '['A']' the number of pairs should be 0
"""
# Arrange
string_list = ['A']
expected_value = 0
# Act
current_value = Strategy.obtain_pairs_number(string_list)
# Assert
self.assertEqual(expected_value, current_value)
def test_WhenEvaluateBABB_ItShouldBe2(self):
"""
When the string list is '['B', 'A', 'B', 'B']' the number of pairs should be 2
:return:
"""
# Arrange
string_list = ['B', 'A', 'B', 'B']
expected_value = 2
# Act
current_value = Strategy.obtain_pairs_number(string_list)
# Assert
self.assertEqual(expected_value, current_value)