test_works_with_larger_lists

Author: WillGibson

list_things/tests/test_subset.py

@@ -4,7 +4,7 @@
 
 
 class TestSubsetAddingUpTo:
-    def test_sublist_with_lots_of_number_and_unnatainable_target_returns_none(self):
+    def test_sublist_with_unnattainable_target_returns_none(self):
         assert subset_adding_up_to([4, 2, 1], 8) is None
 
     @pytest.mark.parametrize(
@@ -21,3 +21,15 @@ def test_sublist_with_lots_of_number_and_unnatainable_target_returns_none(self):
     )
     def test_returns_subset_adding_up_to_target_sum(self, full_set, target_sum, expected):
         assert subset_adding_up_to(full_set, target_sum) == expected
+
+    @pytest.mark.parametrize(
+        "target_sum",
+        [
+            1,
+            943,
+            77777,
+            765243,
+        ],
+    )
+    def test_works_with_larger_lists(self, target_sum):
+        assert sum(subset_adding_up_to(list(range(10000000)), target_sum)) == target_sum