Update game data test to account for foreign key constraint

test/chess/store/game_test.exs

@@ -2,40 +2,66 @@ defmodule Chess.GameTest do
   use Chess.DataCase
 
   describe "game" do
+    alias Chess.Repo
     alias Chess.Store.Game
 
+    import Chess.Factory, only: [create_user: 2]
+
     test "game is valid with a board and user" do
+      user = create_user("link", "ilovezelda")
+      opponent = create_user("zelda", "ganonsucks")
+
+      attrs = %{board: %{}, user_id: user.id, opponent_id: opponent.id}
+      changeset = Game.changeset(%Game{}, attrs)
+
+      assert changeset.valid?
+      assert {:ok, _game} = Repo.insert(changeset)
+    end
+
+    test "game cannot be saved if the user or opponent do not exist" do
       attrs = %{board: %{}, user_id: 1, opponent_id: 2}
       changeset = Game.changeset(%Game{}, attrs)
 
       assert changeset.valid?
+      assert {:error, _changeset} = Repo.insert(changeset)
     end
 
     test "game is invalid without a board" do
-      attrs = %{user_id: 1, opponent_id: 2}
+      user = create_user("link", "ilovezelda")
+      opponent = create_user("zelda", "ganonsucks")
+
+      attrs = %{user_id: user.id, opponent_id: opponent.id}
       changeset = Game.changeset(%Game{}, attrs)
 
       refute changeset.valid?
+      assert {:error, _changeset} = Repo.insert(changeset)
     end
 
     test "game is invalid without a user" do
-      attrs = %{board: %{}, opponent_id: 2}
+      opponent = create_user("zelda", "ganonsucks")
+
+      attrs = %{board: %{}, opponent_id: opponent.id}
       changeset = Game.changeset(%Game{}, attrs)
 
       refute changeset.valid?
+      assert {:error, _changeset} = Repo.insert(changeset)
     end
 
     test "game is invalid without an opponent" do
-      attrs = %{board: %{}, user_id: 1}
+      user = create_user("link", "ilovezelda")
+
+      attrs = %{board: %{}, user_id: user.id}
       changeset = Game.changeset(%Game{}, attrs)
 
       refute changeset.valid?
+      assert {:error, _changeset} = Repo.insert(changeset)
     end
 
     test "game is invalid without anything" do
       changeset = Game.changeset(%Game{}, %{})
 
       refute changeset.valid?
+      assert {:error, _changeset} = Repo.insert(changeset)
     end
   end
 end