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Every shop page load was triggering ~18 DB queries for data that rarely changes (theme settings, nav items, categories, shipping countries, logo, header image). On a shared-cpu-1x Fly machine with SQLite this was the primary performance bottleneck. - Add SettingsCache GenServer+ETS for all non-encrypted settings - Cache list_categories() with single-query N+1 fix (correlated subquery) - Cache list_available_countries_with_names() in shipping - Cache Media.get_logo() and Media.get_header() - Remove duplicate LoadTheme plug from :shop and :admin pipelines - Invalidate caches on writes (put_setting, product sync, media upload) - Clear caches between tests via DataCase/ConnCase setup Per-page queries reduced from ~18 to ~2. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
81 lines
2.2 KiB
Elixir
81 lines
2.2 KiB
Elixir
defmodule BerrypodWeb.ConnCase do
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@moduledoc """
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This module defines the test case to be used by
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tests that require setting up a connection.
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Such tests rely on `Phoenix.ConnTest` and also
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import other functionality to make it easier
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to build common data structures and query the data layer.
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Finally, if the test case interacts with the database,
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we enable the SQL sandbox, so changes done to the database
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are reverted at the end of every test. If you are using
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PostgreSQL, you can even run database tests asynchronously
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by setting `use BerrypodWeb.ConnCase, async: true`, although
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this option is not recommended for other databases.
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"""
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use ExUnit.CaseTemplate
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using do
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quote do
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# The default endpoint for testing
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@endpoint BerrypodWeb.Endpoint
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use BerrypodWeb, :verified_routes
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# Import conveniences for testing with connections
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import Plug.Conn
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import Phoenix.ConnTest
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import BerrypodWeb.ConnCase
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end
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end
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setup tags do
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Berrypod.DataCase.setup_sandbox(tags)
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Berrypod.Settings.SettingsCache.invalidate_all()
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{:ok, conn: Phoenix.ConnTest.build_conn()}
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end
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@doc """
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Setup helper that registers and logs in users.
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setup :register_and_log_in_user
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It stores an updated connection and a registered user in the
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test context.
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"""
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def register_and_log_in_user(%{conn: conn} = context) do
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user = Berrypod.AccountsFixtures.user_fixture()
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scope = Berrypod.Accounts.Scope.for_user(user)
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opts =
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context
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|> Map.take([:token_authenticated_at])
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|> Enum.into([])
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%{conn: log_in_user(conn, user, opts), user: user, scope: scope}
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end
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@doc """
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Logs the given `user` into the `conn`.
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It returns an updated `conn`.
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"""
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def log_in_user(conn, user, opts \\ []) do
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token = Berrypod.Accounts.generate_user_session_token(user)
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maybe_set_token_authenticated_at(token, opts[:token_authenticated_at])
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conn
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|> Phoenix.ConnTest.init_test_session(%{})
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|> Plug.Conn.put_session(:user_token, token)
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end
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defp maybe_set_token_authenticated_at(_token, nil), do: nil
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defp maybe_set_token_authenticated_at(token, authenticated_at) do
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Berrypod.AccountsFixtures.override_token_authenticated_at(token, authenticated_at)
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end
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end
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