Add failing tests (read the question better next time!)

lib/advent_of_code2023.ex

@@ -19,6 +19,15 @@ defmodule AdventOfCode2023 do
 
   # Day 2
   def day2_solve_part2(input_file_path) do
-    Day1.parse_file(input_file_path)
+    # games_list = Day1.parse_file(input_file_path)
+    # accumulator = %{}
+
+    # Enum.reduce(games_list, accumulator, fn game, accumulator ->
+    #   game_number = Day2.parse_game_number(game)
+    #   game_sets = Day2.parse_game_sets(game)
+    #   set_validity_list = Enum.map(game_sets, &Day2.validate_set(&1, 13))
+
+    #   Map.put(accumulator, game_number, game_set_amounts_sum)
+    # end)
   end
 end

lib/day2/day2.ex

@@ -68,4 +68,10 @@ defmodule Day2 do
       false -> true
     end
   end
+
+  def validate_set_by_colour_and_amount(game_set_string, cube_map) do
+    # cube_map will be in the shape of a %{:red => x, :blue => y...}
+    set_cube_map = parse_game_set_amounts(game_set_string)
+
+  end
 end

test/day2/day2_test.exs

@@ -105,4 +105,28 @@ defmodule Day2Test do
 
     assert Day2.validate_set(missing_color_exceeding_limit_set_str, cube_limit) == false
   end
+
+  test "it can validate a valid game set by the number of cubes and their colurs" do
+    thirty_cube_set_str = "7 red, 15 blue, 8 green"
+
+    cube_map = %{
+      :red => 12,
+      :green => 13,
+      :blue => 14
+    }
+
+    assert Day2.validate_set_by_colour_and_amount(game_set_string, cube_map) == true
+  end
+
+  test "it can validate an invalid game set by the number of cubes and their colurs" do
+    thirty_cube_set_str = "12 red, 12 blue, 15 green"
+
+    cube_map = %{
+      :red => 7,
+      :green => 13,
+      :blue => 14
+    }
+
+    assert Day2.validate_set_by_colour_and_amount(game_set_string, cube_map) == false
+  end
 end