dnd-character

elixir/dnd-character/test/dnd_character_test.exs

@@ -0,0 +1,93 @@
+defmodule DndCharacterTest do
+  use ExUnit.Case
+
+  import DndCharacter, only: [modifier: 1, ability: 0, character: 0]
+
+  describe "ability modifier" do
+    test "for score 3 is -4" do
+      assert modifier(3) === -4
+    end
+
+    test "for score 4 is -3" do
+      assert modifier(4) === -3
+    end
+
+    test "for score 5 is -3" do
+      assert modifier(5) === -3
+    end
+
+    test "for score 6 is -2" do
+      assert modifier(6) === -2
+    end
+
+    test "for score 7 is -2" do
+      assert modifier(7) === -2
+    end
+
+    test "for score 8 is -1" do
+      assert modifier(8) === -1
+    end
+
+    test "for score 9 is -1" do
+      assert modifier(9) === -1
+    end
+
+    test "for score 10 is 0" do
+      assert modifier(10) === 0
+    end
+
+    test "for score 11 is 0" do
+      assert modifier(11) === 0
+    end
+
+    test "for score 12 is +1" do
+      assert modifier(12) === 1
+    end
+
+    test "for score 13 is +1" do
+      assert modifier(13) === 1
+    end
+
+    test "for score 14 is +2" do
+      assert modifier(14) === 2
+    end
+
+    test "for score 15 is +2" do
+      assert modifier(15) === 2
+    end
+
+    test "for score 16 is +3" do
+      assert modifier(16) === 3
+    end
+
+    test "for score 17 is +3" do
+      assert modifier(17) === 3
+    end
+
+    test "for score 18 is +4" do
+      assert modifier(18) === 4
+    end
+  end
+
+  describe "random ability" do
+    test "is within range" do
+      Enum.each(1..200, fn _ -> assert ability() in 3..18 end)
+    end
+  end
+
+  describe "random character" do
+    test "has each ability within range and valid hitpoints" do
+      Enum.each(1..20, fn _ ->
+        character = character()
+
+        assert character.strength in 3..18
+        assert character.dexterity in 3..18
+        assert character.constitution in 3..18
+        assert character.intelligence in 3..18
+        assert character.wisdom in 3..18
+        assert character.charisma in 3..18
+        assert character.hitpoints === 10 + modifier(character.constitution)
+      end)
+    end
+  end
+end

elixir/dnd-character/test/test_helper.exs

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+ExUnit.start()
+ExUnit.configure(exclude: :pending, trace: true)