Fix limit parameter when neither page or offset is specified

Author: dhrdlicka

lib/swapi/pagination.ex

@@ -60,7 +60,7 @@ defmodule SWAPI.Pagination do
     end
   end
 
-  defp do_paginate(query, _), do: do_paginate(query, %{"page" => "1"})
+  defp do_paginate(query, params), do: do_paginate(query, Map.put(params, "page", "1"))
 
   defp parse_integer(value) do
     case Integer.parse(value) do

test/swapi/pagination_test.exs

@@ -39,6 +39,10 @@ defmodule SWAPI.PaginationTest do
       assert %{id: 2} = person
     end
 
+    test "returns the correct number of items when page size is specified but no page or offset" do
+      assert {:ok, {[_], _}} = Pagination.paginate(Person, %{"limit" => "1"})
+    end
+
     test "works with offset parameter" do
       assert {:ok, {[person | _], _}} = Pagination.paginate(Person, %{"offset" => "1"})
       assert %{id: 2} = person