def test_empty_list(self):
result = merge_lists(original=[], new_changes=[])
assert result == [], "Empty list is the same."
def test_merge_longer(self):
result = merge_lists(original=["123", "456"],
new_changes=["abc", "def", "ghi"])
assert result == ["abc", "def", "ghi"], "Merging longer tail should keep the new tail, " \
"replacing any values in the middle"
def test_merge_shorter(self):
result = merge_lists(original=["abc", "def", "ghi"],
new_changes=["123", "456"])
assert result == ["123", "456", "ghi"], "If merging a shorter list with a longer one " \
"should keep the tail of original"
def test_empty_merge(self):
result = merge_lists(original=[None, "def"],
new_changes=["abc", "def"])
assert result == ["abc", "def"], "A merge should fill the empty spot from original, " \
"the rest should stay the same."
def test_single_change(self):
result = merge_lists(original=["abc", "def"],
new_changes=["abc", "123"])
assert result == [
"abc", "123"
], "Changes should have been overwritten, the same has stayed."
def test_same_list(self):
result = merge_lists(original=["abc", "def"],
new_changes=["abc", "def"])
assert result == ["abc", "def"], "Single list is the same."