---------------------------------------------------------------------------
-- @author Aire-One
-- @copyright 2021 Aire-One
---------------------------------------------------------------------------

_G.awesome.connect_signal = function() end

local gtimer = require("gears.timer")
local template = require("wibox.widget.template")

describe("wibox.widget.template", function()
    local widget

    before_each(function()
        widget = template()
    end)

    describe(".new()", function()
        it("update_now", function()
            local spied_update_callback = spy.new(function() end)

            template {
                update_callback = function(...) spied_update_callback(...) end,
                update_now = true,
            }

            gtimer.run_delayed_calls_now()
            assert.spy(spied_update_callback).was.called()
        end)
    end)

    describe(":update()", function()
        it("batch calls", function()
            local spied_update_callback = spy.new(function() end)

            widget.update_callback = function(...) spied_update_callback(...) end

            -- Multiple calls to update
            widget:update()
            widget:update()
            widget:update()

            -- update_callback shouldn't be called before the end of the event loop
            assert.spy(spied_update_callback).was.called(0)

            gtimer.run_delayed_calls_now()

            -- updates are batched, so only 1 call should have been performed
            assert.spy(spied_update_callback).was.called(1)
        end)

        it("update parameters", function()
            local spied_update_callback = spy.new(function() end)
            local args = { foo = "string" }

            widget.update_callback = function(...) spied_update_callback(...) end

            widget:update(args)

            gtimer.run_delayed_calls_now()

            assert.spy(spied_update_callback).was.called_with(
                match.is_ref(widget),
                match.is_same(args)
            )
        end)

        it("crush update parameters", function()
            local spied_update_callback = spy.new(function() end)

            widget.update_callback = function(...) spied_update_callback(...) end

            widget:update { foo = "bar" }
            widget:update { bar = 10 }

            gtimer.run_delayed_calls_now()

            assert.spy(spied_update_callback).was.called_with(
                match.is_ref(widget),
                match.is_same { foo = "bar", bar = 10 }
            )
        end)
    end)
end)

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