initial commit

test/demo_web/channels/room_channel_test.exs

@@ -0,0 +1,27 @@
+defmodule DemoWeb.RoomChannelTest do
+  use DemoWeb.ChannelCase
+
+  setup do
+    {:ok, _, socket} =
+      DemoWeb.UserSocket
+      |> socket("user_id", %{some: :assign})
+      |> subscribe_and_join(DemoWeb.RoomChannel, "room:lobby")
+
+    %{socket: socket}
+  end
+
+  test "ping replies with status ok", %{socket: socket} do
+    ref = push(socket, "ping", %{"hello" => "there"})
+    assert_reply ref, :ok, %{"hello" => "there"}
+  end
+
+  test "shout broadcasts to room:lobby", %{socket: socket} do
+    push(socket, "shout", %{"hello" => "all"})
+    assert_broadcast "shout", %{"hello" => "all"}
+  end
+
+  test "broadcasts are pushed to the client", %{socket: socket} do
+    broadcast_from!(socket, "broadcast", %{"some" => "data"})
+    assert_push "broadcast", %{"some" => "data"}
+  end
+end

test/demo_web/controllers/page_controller_test.exs

@@ -0,0 +1,8 @@
+defmodule DemoWeb.PageControllerTest do
+  use DemoWeb.ConnCase
+
+  test "GET /", %{conn: conn} do
+    conn = get(conn, "/")
+    assert html_response(conn, 200) =~ "Welcome to Phoenix!"
+  end
+end

test/demo_web/views/error_view_test.exs

@@ -0,0 +1,14 @@
+defmodule DemoWeb.ErrorViewTest do
+  use DemoWeb.ConnCase, async: true
+
+  # Bring render/3 and render_to_string/3 for testing custom views
+  import Phoenix.View
+
+  test "renders 404.html" do
+    assert render_to_string(DemoWeb.ErrorView, "404.html", []) == "Not Found"
+  end
+
+  test "renders 500.html" do
+    assert render_to_string(DemoWeb.ErrorView, "500.html", []) == "Internal Server Error"
+  end
+end

test/demo_web/views/layout_view_test.exs

@@ -0,0 +1,8 @@
+defmodule DemoWeb.LayoutViewTest do
+  use DemoWeb.ConnCase, async: true
+
+  # When testing helpers, you may want to import Phoenix.HTML and
+  # use functions such as safe_to_string() to convert the helper
+  # result into an HTML string.
+  # import Phoenix.HTML
+end

test/demo_web/views/page_view_test.exs

@@ -0,0 +1,3 @@
+defmodule DemoWeb.PageViewTest do
+  use DemoWeb.ConnCase, async: true
+end

test/support/channel_case.ex

@@ -0,0 +1,36 @@
+defmodule DemoWeb.ChannelCase do
+  @moduledoc """
+  This module defines the test case to be used by
+  channel tests.
+
+  Such tests rely on `Phoenix.ChannelTest` and also
+  import other functionality to make it easier
+  to build common data structures and query the data layer.
+
+  Finally, if the test case interacts with the database,
+  we enable the SQL sandbox, so changes done to the database
+  are reverted at the end of every test. If you are using
+  PostgreSQL, you can even run database tests asynchronously
+  by setting `use DemoWeb.ChannelCase, async: true`, although
+  this option is not recommended for other databases.
+  """
+
+  use ExUnit.CaseTemplate
+
+  using do
+    quote do
+      # Import conveniences for testing with channels
+      import Phoenix.ChannelTest
+      import DemoWeb.ChannelCase
+
+      # The default endpoint for testing
+      @endpoint DemoWeb.Endpoint
+    end
+  end
+
+  setup tags do
+    pid = Ecto.Adapters.SQL.Sandbox.start_owner!(Demo.Repo, shared: not tags[:async])
+    on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
+    :ok
+  end
+end

test/support/conn_case.ex

@@ -0,0 +1,39 @@
+defmodule DemoWeb.ConnCase do
+  @moduledoc """
+  This module defines the test case to be used by
+  tests that require setting up a connection.
+
+  Such tests rely on `Phoenix.ConnTest` and also
+  import other functionality to make it easier
+  to build common data structures and query the data layer.
+
+  Finally, if the test case interacts with the database,
+  we enable the SQL sandbox, so changes done to the database
+  are reverted at the end of every test. If you are using
+  PostgreSQL, you can even run database tests asynchronously
+  by setting `use DemoWeb.ConnCase, async: true`, although
+  this option is not recommended for other databases.
+  """
+
+  use ExUnit.CaseTemplate
+
+  using do
+    quote do
+      # Import conveniences for testing with connections
+      import Plug.Conn
+      import Phoenix.ConnTest
+      import DemoWeb.ConnCase
+
+      alias DemoWeb.Router.Helpers, as: Routes
+
+      # The default endpoint for testing
+      @endpoint DemoWeb.Endpoint
+    end
+  end
+
+  setup tags do
+    pid = Ecto.Adapters.SQL.Sandbox.start_owner!(Demo.Repo, shared: not tags[:async])
+    on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
+    {:ok, conn: Phoenix.ConnTest.build_conn()}
+  end
+end

test/support/data_case.ex

@@ -0,0 +1,51 @@
+defmodule Demo.DataCase do
+  @moduledoc """
+  This module defines the setup for tests requiring
+  access to the application's data layer.
+
+  You may define functions here to be used as helpers in
+  your tests.
+
+  Finally, if the test case interacts with the database,
+  we enable the SQL sandbox, so changes done to the database
+  are reverted at the end of every test. If you are using
+  PostgreSQL, you can even run database tests asynchronously
+  by setting `use Demo.DataCase, async: true`, although
+  this option is not recommended for other databases.
+  """
+
+  use ExUnit.CaseTemplate
+
+  using do
+    quote do
+      alias Demo.Repo
+
+      import Ecto
+      import Ecto.Changeset
+      import Ecto.Query
+      import Demo.DataCase
+    end
+  end
+
+  setup tags do
+    pid = Ecto.Adapters.SQL.Sandbox.start_owner!(Demo.Repo, shared: not tags[:async])
+    on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
+    :ok
+  end
+
+  @doc """
+  A helper that transforms changeset errors into a map of messages.
+
+      assert {:error, changeset} = Accounts.create_user(%{password: "short"})
+      assert "password is too short" in errors_on(changeset).password
+      assert %{password: ["password is too short"]} = errors_on(changeset)
+
+  """
+  def errors_on(changeset) do
+    Ecto.Changeset.traverse_errors(changeset, fn {message, opts} ->
+      Regex.replace(~r"%{(\w+)}", message, fn _, key ->
+        opts |> Keyword.get(String.to_existing_atom(key), key) |> to_string()
+      end)
+    end)
+  end
+end

test/test_helper.exs

@@ -0,0 +1,2 @@
+ExUnit.start()
+Ecto.Adapters.SQL.Sandbox.mode(Demo.Repo, :manual)