ipfs: small refactor and more tests

lib/pleroma/uploaders/ipfs.ex

@@ -9,16 +9,24 @@ defmodule Pleroma.Uploaders.IPFS do
   alias Pleroma.Config
   alias Tesla.Multipart
 
-  @placeholder "{CID}"
-  def placeholder, do: @placeholder
-
-  def get_final_url(method) do
+  defp get_final_url(method) do
     config = Config.get([__MODULE__])
     post_base_url = Keyword.get(config, :post_gateway_url)
 
     Path.join([post_base_url, method])
   end
 
+  def put_file_endpoint() do
+    get_final_url("/api/v0/add")
+  end
+
+  def delete_file_endpoint() do
+    get_final_url("/api/v0/files/rm")
+  end
+
+  @placeholder "{CID}"
+  def placeholder, do: @placeholder
+
   @impl true
   def get_file(file) do
     b_url = Pleroma.Upload.base_url()
@@ -37,9 +45,7 @@ def put_file(%Pleroma.Upload{} = upload) do
       |> Multipart.add_content_type_param("charset=utf-8")
       |> Multipart.add_file(upload.tempfile)
 
-    final_url = get_final_url("/api/v0/add")
-
-    case Pleroma.HTTP.post(final_url, mp, [], params: ["cid-version": "1"]) do
+    case Pleroma.HTTP.post(put_file_endpoint(), mp, [], params: ["cid-version": "1"]) do
       {:ok, ret} ->
         case Jason.decode(ret.body) do
           {:ok, ret} ->
@@ -62,9 +68,7 @@ def put_file(%Pleroma.Upload{} = upload) do
 
   @impl true
   def delete_file(file) do
-    final_url = get_final_url("/api/v0/files/rm")
-
-    case Pleroma.HTTP.post(final_url, "", [], params: [arg: file]) do
+    case Pleroma.HTTP.post(delete_file_endpoint(), "", [], params: [arg: file]) do
       {:ok, %{status_code: 204}} -> :ok
       error -> {:error, inspect(error)}
     end

test/pleroma/uploaders/ipfs_test.exs

@@ -25,11 +25,11 @@ defmodule Pleroma.Uploaders.IPFSTest do
 
   describe "get_final_url" do
     test "it returns the final url for put_file" do
-      assert IPFS.get_final_url("/api/v0/add") == "http://localhost:5001/api/v0/add"
+      assert IPFS.put_file_endpoint() == "http://localhost:5001/api/v0/add"
     end
 
     test "it returns the final url for delete_file" do
-      assert IPFS.get_final_url("/api/v0/files/rm") == "http://localhost:5001/api/v0/files/rm"
+      assert IPFS.delete_file_endpoint() == "http://localhost:5001/api/v0/files/rm"
     end
   end
 
@@ -88,6 +88,26 @@ test "returns error", %{file_upload: file_upload} do
                end) =~ "Elixir.Pleroma.Uploaders.IPFS: {:error, \"IPFS Gateway upload failed\"}"
       end
     end
+
+    test "returns error if JSON decode fails", %{file_upload: file_upload} do
+      with_mocks([
+        {Pleroma.HTTP, [], [post: fn _, _, _, _ -> {:ok, %Tesla.Env{status: 200, body: ''}} end]},
+        {Jason, [], [decode: fn _ -> {:error, "JSON decode failed"} end]}
+      ]) do
+        assert capture_log(fn ->
+                 assert IPFS.put_file(file_upload) == {:error, "JSON decode failed"}
+               end) =~ "Elixir.Pleroma.Uploaders.IPFS: {:error, \"JSON decode failed\"}"
+      end
+    end
+
+    test "returns error if JSON body doesn't contain Hash key", %{file_upload: file_upload} do
+      with_mocks([
+        {Pleroma.HTTP, [], [post: fn _, _, _, _ -> {:ok, %Tesla.Env{status: 200, body: ''}} end]},
+        {Jason, [], [decode: fn _ -> {:ok, %{}} end]}
+      ]) do
+        assert IPFS.put_file(file_upload) == {:error, "JSON doesn't contain Hash key"}
+      end
+    end
   end
 
   describe "delete_file/1" do