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1 files changed, 49 insertions, 0 deletions

diff --git a/test/support/null_cache.ex b/test/support/null_cache.ex
new file mode 100644
index 0000000..9f1d45f
--- /dev/null
+++ b/test/support/null_cache.ex
@@ -0,0 +1,49 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.NullCache do
+  @moduledoc """
+  A module simulating a permanently empty cache.
+  """
+  @behaviour Pleroma.Caching
+
+  @impl true
+  def get!(_, _), do: nil
+
+  @impl true
+  def put(_, _, _, _ \\ nil), do: {:ok, true}
+
+  @impl true
+  def stream!(_, _), do: []
+
+  @impl true
+  def get(_, _), do: {:ok, nil}
+
+  @impl true
+  def fetch!(_, key, func) do
+    case func.(key) do
+      {_, res} -> res
+      res -> res
+    end
+  end
+
+  @impl true
+  def get_and_update(_, _, func) do
+    func.(nil)
+  end
+
+  @impl true
+  def expire_at(_, _, _), do: {:ok, true}
+
+  @impl true
+  def exists?(_, _), do: {:ok, false}
+
+  @impl true
+  def execute!(_, func) do
+    func.(:nothing)
+  end
+
+  @impl true
+  def del(_, _), do: {:ok, true}
+end