Add first few channel tests

test/chess_web/channels/game_channel_test.exs

@@ -0,0 +1,43 @@
+defmodule ChessWeb.GameChannelTest do
+  use ChessWeb.ChannelCase
+
+  alias ChessWeb.UserSocket
+
+  import Chess.Factory
+  # import Chess.AuthenticationHelpers
+
+  test "assigns game_id to the socket after join" do
+    user = insert(:user)
+    game = insert(:game, %{
+      user_id: user.id,
+      opponent_id: insert(:opponent).id
+    })
+
+    token = Phoenix.Token.sign(@endpoint, "game socket", user.id)
+    {:ok, socket} = connect(UserSocket, %{"token" => token})
+
+    {:ok, _, socket} = subscribe_and_join(socket, "game:#{game.id}", %{})
+
+    assert socket.assigns.game_id == Integer.to_string(game.id)
+  end
+
+  test "returns the game state after join" do
+    user = insert(:user)
+    opponent = insert(:opponent, %{name: "Daruk"})
+    game = insert(:game, %{
+      user_id: user.id,
+      opponent_id: opponent.id
+    })
+
+    token = Phoenix.Token.sign(@endpoint, "game socket", user.id)
+    {:ok, socket} = connect(UserSocket, %{"token" => token})
+
+    {:ok, _, _} = subscribe_and_join(socket, "game:#{game.id}", %{})
+
+    assert_push "game:update", %{
+      player: "white",
+      opponent: "Daruk",
+      turn: "white",
+    }
+  end
+end

test/support/factory.ex

@@ -11,7 +11,17 @@ defmodule Chess.Factory do
     %User{
       name: "Zelda",
       email: "zelda@hyrule.com",
-      password: "ilovelink"
+      password: "ganonsucks"
+    }
+    |> User.changeset(params)
+    |> Repo.insert!
+  end
+
+  def insert(:opponent, params) do
+    %User{
+      name: "Link",
+      email: "link@hyrule.com",
+      password: "ilovezelda"
     }
     |> User.changeset(params)
     |> Repo.insert!