added tests for Pleroma.Upload.Filter

lib/pleroma/upload/filter/dedupe.ex

@@ -6,10 +6,19 @@ defmodule Pleroma.Upload.Filter.Dedupe do
   @behaviour Pleroma.Upload.Filter
   alias Pleroma.Upload
 
-  def filter(%Upload{name: name} = upload) do
-    extension = String.split(name, ".") |> List.last()
-    shasum = :crypto.hash(:sha256, File.read!(upload.tempfile)) |> Base.encode16(case: :lower)
+  def filter(%Upload{name: name, tempfile: tempfile} = upload) do
+    extension =
+      name
+      |> String.split(".")
+      |> List.last()
+
+    shasum =
+      :crypto.hash(:sha256, File.read!(tempfile))
+      |> Base.encode16(case: :lower)
+
     filename = shasum <> "." <> extension
     {:ok, %Upload{upload | id: shasum, path: filename}}
   end
+
+  def filter(_), do: :ok
 end

lib/pleroma/upload/filter/mogrifun.ex

@@ -4,6 +4,7 @@
 
 defmodule Pleroma.Upload.Filter.Mogrifun do
   @behaviour Pleroma.Upload.Filter
+  alias Pleroma.Upload.Filter
 
   @filters [
     {"implode", "1"},
@@ -34,31 +35,10 @@ defmodule Pleroma.Upload.Filter.Mogrifun do
   ]
 
   def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
-    filter = Enum.random(@filters)
-
-    file
-    |> Mogrify.open()
-    |> mogrify_filter(filter)
-    |> Mogrify.save(in_place: true)
+    Filter.Mogrify.do_filter(file, [Enum.random(@filters)])
 
     :ok
   end
 
   def filter(_), do: :ok
-
-  defp mogrify_filter(mogrify, [filter | rest]) do
-    mogrify
-    |> mogrify_filter(filter)
-    |> mogrify_filter(rest)
-  end
-
-  defp mogrify_filter(mogrify, []), do: mogrify
-
-  defp mogrify_filter(mogrify, {action, options}) do
-    Mogrify.custom(mogrify, action, options)
-  end
-
-  defp mogrify_filter(mogrify, string) when is_binary(string) do
-    Mogrify.custom(mogrify, string)
-  end
 end

lib/pleroma/upload/filter/mogrify.ex

@@ -11,16 +11,19 @@ defmodule Pleroma.Upload.Filter.Mogrify do
   def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
     filters = Pleroma.Config.get!([__MODULE__, :args])
 
-    file
-    |> Mogrify.open()
-    |> mogrify_filter(filters)
-    |> Mogrify.save(in_place: true)
-
+    do_filter(file, filters)
     :ok
   end
 
   def filter(_), do: :ok
 
+  def do_filter(file, filters) do
+    file
+    |> Mogrify.open()
+    |> mogrify_filter(filters)
+    |> Mogrify.save(in_place: true)
+  end
+
   defp mogrify_filter(mogrify, nil), do: mogrify
 
   defp mogrify_filter(mogrify, [filter | rest]) do