mirror of
https://github.com/kikito/cron.lua.git
synced 2024-12-19 18:34:20 +00:00
133 lines
3.6 KiB
Lua
133 lines
3.6 KiB
Lua
local cron = require 'cron'
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describe( 'cron', function()
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local counter = 0
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local function count(amount)
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amount = amount or 1
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counter = counter + amount
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end
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local countable = setmetatable({}, {__call = count})
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before_each(function()
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counter = 0
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cron.reset()
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end)
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describe('.update', function()
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it('throws an error if dt is a negative number', function()
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assert.error(function() cron.update() end)
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assert.error(function() cron.update(-1) end)
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assert.not_error(function() cron.update(1) end)
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end)
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end)
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describe('.reset', function()
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it('Cancels all timed actions', function()
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cron.after(1, count)
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cron.after(2, count)
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cron.update(1)
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assert.equal(counter, 1)
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cron.reset()
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cron.update(1)
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assert.equal(counter, 1)
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end)
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it('Cancels all periodical actions', function()
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cron.every(1, count)
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cron.update(1)
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assert.equal(counter, 1)
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cron.reset()
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cron.update(1)
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assert.equal(counter, 1)
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end)
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end)
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describe('.after', function()
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it('Throws error if time is not a positive number, or callback is not callable', function()
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assert.error(function() cron.after('error', count) end)
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assert.error(function() cron.after(2, 'error') end)
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assert.error(function() cron.after(-2, count) end)
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assert.error(function() cron.after(2, {}) end)
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assert.not_error(function() cron.after(2, count) end)
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assert.not_error(function() cron.after(2, countable) end)
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end)
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it('Executes timed actions only once, at the right time', function()
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cron.after(2, count)
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cron.after(4, count)
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cron.update(1)
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assert.equal(counter, 0)
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cron.update(1)
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assert.equal(counter, 1)
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cron.update(1)
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assert.equal(counter, 1)
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cron.update(1)
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assert.equal(counter, 2)
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end)
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it('Passes on parameters to the function, if specified', function()
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cron.after(1, count, 2)
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cron.update(1)
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assert.equal(counter, 2)
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end)
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end)
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describe('.every', function()
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it('Throws errors if time is not a positive number, or callback is not function', function()
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assert.error(function() cron.every('error', count) end)
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assert.error(function() cron.every(2, 'error') end)
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assert.error(function() cron.every(-2, count) end)
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assert.error(function() cron.every(-2, {}) end)
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assert.not_error(function() cron.every(2, count) end)
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assert.not_error(function() cron.every(2, countable) end)
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end)
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it('Executes periodical actions periodically', function()
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cron.every(3, count)
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cron.update(1)
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assert.equal(counter, 0)
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cron.update(2)
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assert.equal(counter, 1)
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cron.update(2)
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assert.equal(counter, 1)
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cron.update(1)
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assert.equal(counter, 2)
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end)
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it('Executes the same action multiple times on a single update if appropiate', function()
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cron.every(1, count)
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cron.update(2)
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assert.equal(counter, 2)
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end)
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it('Respects parameters', function()
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cron.every(1, count, 2)
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cron.update(2)
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assert.equal(counter, 4)
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end)
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end)
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describe('.cancel', function()
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it('Cancels timed entries', function()
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local id = cron.after(1, count)
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cron.update(1)
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assert.equal(counter, 1)
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cron.cancel(id)
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cron.update(1)
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assert.equal(counter, 1)
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end)
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it('Cancels periodical entries', function()
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local id = cron.every(1, count)
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cron.update(1)
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assert.equal(counter, 1)
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cron.cancel(id)
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cron.update(1)
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assert.equal(counter, 1)
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end)
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end)
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end)
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