Tests to confirm wanted behavior

test/pleroma/web/views/streamer_view_test.ex

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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.StreamerViewTest do
+  use Pleroma.Web.ConnCase, async: true
+  # import ExUnit.CaptureLog
+  import Pleroma.Factory
+
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.StreamerView
+
+  describe "follow_relationships_update.json" do
+    test "shows follower/following count normally" do
+      other_user = insert(:user)
+      %{id: following_id} = following = insert(:user)
+      follower = insert(:user)
+
+      {:ok, _, _, _} = CommonAPI.follow(other_user, following)
+      {:ok, follower, following, _activity} = CommonAPI.follow(following, follower)
+
+      result =
+        StreamerView.render(
+          "follow_relationships_update.json",
+          %{follower: follower, following: following, state: :test},
+          "user:test"
+        )
+
+      {:ok, %{"payload" => payload}} = Jason.decode(result)
+
+      {:ok, decoded_payload} = Jason.decode(payload)
+
+      # check the payload updating the user that was followed
+      assert match?(
+               %{"follower_count" => 1, "following_count" => 1, "id" => ^following_id},
+               decoded_payload["following"]
+             )
+    end
+
+    test "hides follower count for :hide_followers and :hide_followers_count" do
+      user_attrs = [%{hide_followers: true}, %{hide_followers_count: true}]
+
+      Enum.each(user_attrs, fn attrs ->
+        other_user = insert(:user)
+        %{id: following_id} = following = insert(:user, attrs)
+        follower = insert(:user)
+
+        {:ok, _, _, _} = CommonAPI.follow(other_user, following)
+        {:ok, follower, following, _activity} = CommonAPI.follow(following, follower)
+
+        result =
+          StreamerView.render(
+            "follow_relationships_update.json",
+            %{follower: follower, following: following, state: :test},
+            "user:test"
+          )
+
+        {:ok, %{"payload" => payload}} = Jason.decode(result)
+
+        {:ok, decoded_payload} = Jason.decode(payload)
+
+        # check the payload updating the user that was followed
+        assert match?(
+                 %{"follower_count" => 0, "following_count" => 1, "id" => ^following_id},
+                 decoded_payload["following"]
+               )
+      end)
+    end
+
+    test "hides follows count for :hide_follows and :hide_follows_count" do
+      user_attrs = [%{hide_follows: true}, %{hide_follows_count: true}]
+
+      Enum.each(user_attrs, fn attrs ->
+        other_user = insert(:user)
+        %{id: following_id} = following = insert(:user, attrs)
+        follower = insert(:user)
+
+        {:ok, _, _, _} = CommonAPI.follow(other_user, following)
+        {:ok, follower, following, _activity} = CommonAPI.follow(following, follower)
+
+        result =
+          StreamerView.render(
+            "follow_relationships_update.json",
+            %{follower: follower, following: following, state: :test},
+            "user:test"
+          )
+
+        {:ok, %{"payload" => payload}} = Jason.decode(result)
+
+        {:ok, decoded_payload} = Jason.decode(payload)
+
+        # check the payload updating the user that was followed
+        assert match?(
+                 %{"follower_count" => 1, "following_count" => 0, "id" => ^following_id},
+                 decoded_payload["following"]
+               )
+      end)
+    end
+  end
+end