local orig_ngx_sleep = ngx.sleep


local spy_ngx_sleep
local simdjson
local test_obj
local test_arr
local test_str


describe("[yield]", function()
  lazy_setup(function()
    test_obj = { str = string.rep("a", 2100), }

    test_arr = {}
    for i = 1, 1000 do
      test_arr[i] = i
    end

    test_str = "[" .. table.concat(test_arr, ",") .. "]"
  end)


  before_each(function()
    spy_ngx_sleep = spy.on(ngx, "sleep")
    simdjson = require("resty.simdjson")
  end)


  after_each(function()
    ngx.sleep = orig_ngx_sleep  -- luacheck: ignore
    package.loaded["resty.simdjson"] = nil
    package.loaded["resty.simdjson.decoder"] = nil
    package.loaded["resty.simdjson.encoder"] = nil
  end)


  for _, v in ipairs { true, false, } do
    it("enable = " .. tostring(v) .." when encoding", function()

      local parser = simdjson.new(v)
      assert(parser)

      local str = parser:encode(test_obj)

      parser:destroy()

      assert(str)
      assert(type(str) == "string")
      assert.equal(string.format([[{"str":"%s"}]], string.rep("a", 2100)), str)

      if v then
        assert.spy(spy_ngx_sleep).was_called(1)       -- yield once
        assert.spy(spy_ngx_sleep).was_called_with(0)  -- yield 0ms

      else
        assert.spy(spy_ngx_sleep).was_called(0)       -- no yield
      end
    end)
  end


  for _, v in ipairs { true, false, } do
    it("enable = " .. tostring(v) .." when decoding", function()

      local parser = simdjson.new(v)
      assert(parser)

      local obj = parser:decode(test_str)

      parser:destroy()

      assert(obj)
      assert(type(obj) == "table")
      assert.same(test_arr, obj)

      if v then
        assert.spy(spy_ngx_sleep).was_called(1)       -- yield once
        assert.spy(spy_ngx_sleep).was_called_with(0)  -- yield 0ms

      else
        assert.spy(spy_ngx_sleep).was_called(0)       -- no yield
      end
    end)
  end
end)