require 'spec_helper' describe WebMock::Util::HashKeysStringifier do it "should recursively stringify all symbol keys" do hash = { a: { b: [ { c: [{d: "1"}] } ] } } stringified = { 'a' => { 'b' => [ { 'c' => [{'d' => "1"}] } ] } } expect(WebMock::Util::HashKeysStringifier.stringify_keys!(hash, deep: true)).to eq(stringified) end end