rpg-character-sheet

elixir/rpg-character-sheet/test/rpg/character_sheet_test.exs

@@ -0,0 +1,133 @@
+defmodule RPG.CharacterSheetTest do
+  use ExUnit.Case
+  import ExUnit.CaptureIO
+
+  describe "welcome/0" do
+    @tag task_id: 1
+    test "it prints a welcome message" do
+      io =
+        capture_io(fn ->
+          assert RPG.CharacterSheet.welcome() == :ok
+        end)
+
+      assert io == "Welcome! Let's fill out your character sheet together.\n"
+    end
+  end
+
+  describe "ask_name/0" do
+    @tag task_id: 2
+    test "it prints a prompt" do
+      io =
+        capture_io("\n", fn ->
+          RPG.CharacterSheet.ask_name()
+        end)
+
+      assert io == "What is your character's name?\n"
+    end
+
+    @tag task_id: 2
+    test "returns the trimmed input" do
+      capture_io("Maxwell The Great\n", fn ->
+        assert RPG.CharacterSheet.ask_name() == "Maxwell The Great"
+      end)
+    end
+  end
+
+  describe "ask_class/0" do
+    @tag task_id: 3
+    test "it prints a prompt" do
+      io =
+        capture_io("\n", fn ->
+          RPG.CharacterSheet.ask_class()
+        end)
+
+      assert io == "What is your character's class?\n"
+    end
+
+    @tag task_id: 3
+    test "returns the trimmed input" do
+      capture_io("rogue\n", fn ->
+        assert RPG.CharacterSheet.ask_class() == "rogue"
+      end)
+    end
+  end
+
+  describe "ask_level/0" do
+    @tag task_id: 4
+    test "it prints a prompt" do
+      io =
+        capture_io("1\n", fn ->
+          RPG.CharacterSheet.ask_level()
+        end)
+
+      assert io == "What is your character's level?\n"
+    end
+
+    @tag task_id: 4
+    test "returns the trimmed input as an integer" do
+      capture_io("3\n", fn ->
+        assert RPG.CharacterSheet.ask_level() == 3
+      end)
+    end
+  end
+
+  describe "run/0" do
+    @tag task_id: 5
+    test "it asks for name, class, and level" do
+      io =
+        capture_io("Susan The Fearless\nfighter\n6\n", fn ->
+          RPG.CharacterSheet.run()
+        end)
+
+      assert io =~ """
+             Welcome! Let's fill out your character sheet together.
+             What is your character's name?
+             What is your character's class?
+             What is your character's level?
+             """
+    end
+
+    @tag task_id: 5
+    test "it returns a character map" do
+      capture_io("The Stranger\nrogue\n2\n", fn ->
+        assert RPG.CharacterSheet.run() == %{
+                 name: "The Stranger",
+                 class: "rogue",
+                 level: 2
+               }
+      end)
+    end
+
+    @tag task_id: 5
+    test "it only has a single colon and single space after the 'Your character' label" do
+      io =
+        capture_io("Anne\nhealer\n4\n", fn ->
+          RPG.CharacterSheet.run()
+        end)
+
+      case Regex.run(~r/.*(Your character.*)%{/, io) do
+        [_, label] ->
+          assert label == "Your character: "
+
+        _ ->
+          nil
+      end
+    end
+
+    @tag task_id: 5
+    test "it inspects the character map" do
+      io =
+        capture_io("Anne\nhealer\n4\n", fn ->
+          RPG.CharacterSheet.run()
+        end)
+
+      assert io =~
+               "\nYour character: " <>
+                 inspect(%{
+                   name: "Anne",
+                   class: "healer",
+                   level: 4
+                 })
+    end
+  end
+end