memEx/test/support/conn_case.ex

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defmodule MemexWeb.ConnCase do
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@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
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by setting `use MemexWeb.ConnCase, async: true`, although
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this option is not recommended for other databases.
"""
use ExUnit.CaseTemplate
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import Memex.Fixtures
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alias Ecto.Adapters.SQL.Sandbox
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alias Memex.{Accounts, Accounts.User, Repo}
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using do
quote do
# Import conveniences for testing with connections
import Plug.Conn
import Phoenix.ConnTest
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import Memex.Fixtures
import MemexWeb.ConnCase
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alias MemexWeb.Router.Helpers, as: Routes
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# The default endpoint for testing
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@endpoint MemexWeb.Endpoint
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end
end
setup tags do
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pid = Sandbox.start_owner!(Memex.Repo, shared: not tags[:async])
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on_exit(fn -> Sandbox.stop_owner(pid) end)
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{:ok, conn: Phoenix.ConnTest.build_conn()}
end
@doc """
Setup helper that registers and logs in users.
setup :register_and_log_in_user
It stores an updated connection and a registered user in the
test context.
"""
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@spec register_and_log_in_user(%{conn: Plug.Conn.t()}) ::
%{conn: Plug.Conn.t(), current_user: User.t()}
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def register_and_log_in_user(%{conn: conn}) do
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current_user = user_fixture() |> confirm_user()
%{conn: log_in_user(conn, current_user), current_user: current_user}
end
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@spec confirm_user(User.t()) :: User.t()
def confirm_user(user) do
{:ok, %{user: user}} = user |> Accounts.confirm_user_multi() |> Repo.transaction()
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user
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end
@doc """
Logs the given `user` into the `conn`.
It returns an updated `conn`.
"""
def log_in_user(conn, user) do
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token = Memex.Accounts.generate_user_session_token(user)
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conn
|> Phoenix.ConnTest.init_test_session(%{})
|> Plug.Conn.put_session(:user_token, token)
end
end