[#534] Various tweaks. Tests for Instances and Instance.

test/support/factory.ex

@@ -220,4 +220,11 @@ defmodule Pleroma.Factory do
       client_secret: "aaa;/&bbb"
     }
   end
+
+  def instance_factory do
+    %Pleroma.Instances.Instance{
+      host: "domain.com",
+      unreachable_since: nil
+    }
+  end
 end

test/support/http_request_mock.ex

@@ -653,6 +653,14 @@ defmodule HttpRequestMock do
     {:ok, Tesla.Mock.json(%{"id" => "https://social.heldscal.la/user/23211"}, status: 200)}
   end
 
+  def get("http://404.site" <> _, _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 404,
+       body: ""
+     }}
+  end
+
   def get(url, query, body, headers) do
     {:error,
      "Not implemented the mock response for get #{inspect(url)}, #{query}, #{inspect(body)}, #{
@@ -673,6 +681,26 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def post("http://200.site" <> _, _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: ""
+     }}
+  end
+
+  def post("http://connrefused.site" <> _, _, _, _) do
+    {:error, :connrefused}
+  end
+
+  def post("http://404.site" <> _, _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 404,
+       body: ""
+     }}
+  end
+
   def post(url, _query, _body, _headers) do
     {:error, "Not implemented the mock response for post #{inspect(url)}"}
   end