Add the sync server task.

test/decentralised_book_index/sync/sync_tasks/sync_server_task_test.exs

@@ -0,0 +1,31 @@
+defmodule DecentralisedBookIndex.Sync.SyncServerTaskTest do
+  use DecentralisedBookIndex.DataCase
+
+  alias DecentralisedBookIndex.Sync.SyncServerTask
+
+  alias DecentralisedBookIndex.Sync.ApiClients.FetchJson
+  alias DecentralisedBookIndex.Sync.AuthorSync
+
+  alias DecentralisedBookIndex.Metadata
+
+  alias DecentralisedBookIndex.TestEndpoints
+  @test_server_endpoint TestEndpoints.test_api_endpoint()
+
+  describe "sync all" do
+    test "servers" do
+      server = generate(dbi_server(url: @test_server_endpoint))
+      {:ok, author} = Metadata.create_author("Author", "An description")
+
+      assert server = SyncServerTask.sync_all()
+    end
+  end
+
+  describe "sync one" do
+    test "server" do
+      server = generate(dbi_server(url: @test_server_endpoint))
+      {:ok, author} = Metadata.create_author("Author", "An description")
+
+      assert server = SyncServerTask.sync_one(server)
+    end
+  end
+end