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diff --git a/test/stats_test.exs b/test/stats_test.exs
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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.StatsTest do
+  use Pleroma.DataCase
+  import Pleroma.Factory
+  alias Pleroma.Web.CommonAPI
+
+  describe "user count" do
+    test "it ignores internal users" do
+      _user = insert(:user, local: true)
+      _internal = insert(:user, local: true, nickname: nil)
+      _internal = Pleroma.Web.ActivityPub.Relay.get_actor()
+
+      assert match?(%{stats: %{user_count: 1}}, Pleroma.Stats.calculate_stat_data())
+    end
+  end
+
+  describe "status visibility count" do
+    test "on new status" do
+      user = insert(:user)
+      other_user = insert(:user)
+
+      CommonAPI.post(user, %{visibility: "public", status: "hey"})
+
+      Enum.each(0..1, fn _ ->
+        CommonAPI.post(user, %{
+          visibility: "unlisted",
+          status: "hey"
+        })
+      end)
+
+      Enum.each(0..2, fn _ ->
+        CommonAPI.post(user, %{
+          visibility: "direct",
+          status: "hey @#{other_user.nickname}"
+        })
+      end)
+
+      Enum.each(0..3, fn _ ->
+        CommonAPI.post(user, %{
+          visibility: "private",
+          status: "hey"
+        })
+      end)
+
+      assert %{direct: 3, private: 4, public: 1, unlisted: 2} =
+               Pleroma.Stats.get_status_visibility_count()
+    end
+
+    test "on status delete" do
+      user = insert(:user)
+      {:ok, activity} = CommonAPI.post(user, %{visibility: "public", status: "hey"})
+      assert %{public: 1} = Pleroma.Stats.get_status_visibility_count()
+      CommonAPI.delete(activity.id, user)
+      assert %{public: 0} = Pleroma.Stats.get_status_visibility_count()
+    end
+
+    test "on status visibility update" do
+      user = insert(:user)
+      {:ok, activity} = CommonAPI.post(user, %{visibility: "public", status: "hey"})
+      assert %{public: 1, private: 0} = Pleroma.Stats.get_status_visibility_count()
+      {:ok, _} = CommonAPI.update_activity_scope(activity.id, %{visibility: "private"})
+      assert %{public: 0, private: 1} = Pleroma.Stats.get_status_visibility_count()
+    end
+
+    test "doesn't count unrelated activities" do
+      user = insert(:user)
+      other_user = insert(:user)
+      {:ok, activity} = CommonAPI.post(user, %{visibility: "public", status: "hey"})
+      _ = CommonAPI.follow(user, other_user)
+      CommonAPI.favorite(other_user, activity.id)
+      CommonAPI.repeat(activity.id, other_user)
+
+      assert %{direct: 0, private: 0, public: 1, unlisted: 0} =
+               Pleroma.Stats.get_status_visibility_count()
+    end
+  end
+end