def test_2_empty(self):
"""Test with list 2 empty."""
list_1 = [1, 2, 3]
list_2 = []
list_1_expected = [1, 2, 3]
list_2_expected = [4]
#error introduced here -- real expected value is []
#docstring comes back at top of failure message -- not in the code-ful
#part
remove_shared.remove_shared(list_1, list_2)
self.assertEqual(list_1, list_1_expected)
self.assertEqual(list_2, list_2_expected)
def test_all_empty(self):
"""Test with 2 empty lists."""
list_1 = []
list_2 = []
list_1_expected = []
list_2_expected = []
remove_shared.remove_shared(list_1, list_2)
self.assertEqual(list_1, list_1_expected)
self.assertEqual(list_2, list_2_expected)
def test_1_empty(self):
"""
Test with list 1 empty.
"""
list_1 = []
list_2 = [1, 2, 3]
list_1_expected = []
list_2_expected = [1, 2, 3]
remove_shared.remove_shared(list_1, list_2)
self.assertEqual(list_1, list_1_expected)
self.assertEqual(list_2, list_2_expected)
def test_all_common(self):
"""
Test two lists that have all items in common.
"""
list_1 = [1, 2, 3]
list_2 = [1, 2, 3]
list_1_expected = []
list_2_expected = [1, 2, 3]
remove_shared.remove_shared(list_1, list_2)
self.assertEqual(list_1, list_1_expected)
self.assertEqual(list_2, list_2_expected)
def test_no_common(self):
"""
Test two lists that share no common items.
"""
list_1 = [1 ,3, 5, 7]
list_2 = [2, 4, 6, 8]
list_1_expected = [1 ,3, 5, 7]
list_2_expected = [2, 4, 6, 8]
remove_shared.remove_shared(list_1, list_2)
self.assertEqual(list_1, list_1_expected)
self.assertEqual(list_2, list_2_expected)
def test_general_case(self):
"""
Test remove_shared where there are items that
appear in both lists, and items that appear in
only one or the other list.
"""
list_1 = [1, 2, 3, 4, 5, 6]
list_2 = [2, 4, 5, 7]
list_1_expected = [1, 3, 6]
list_2_expected = [2, 4, 5, 7]
remove_shared.remove_shared(list_1, list_2)
self.assertEqual(list_1, list_1_expected)
self.assertEqual(list_2, list_2_expected)
def test_general_case(self):
"""
Test remove_shared where there are items that appear in both lists and
items that appear in only one or the other list.
"""
# remember that this docstring is part of the output in case of failure,
# so make it informative
list_1 = [1,2,3,4,5,6]
list_2 = [2,4,5,7]
list_1_expected = [1,3,6]
list_2_expected = [2,4,5,7]
# note these variables designate the expected output values
remove_shared.remove_shared(list_1, list_2)
# function call
self.assertEqual(list_1, list_1_expected)
self.assertEqual(list_2, list_2_expected)
