mirror of
https://github.com/kikito/cron.lua.git
synced 2024-12-19 18:34:20 +00:00
140 lines
3.6 KiB
Lua
140 lines
3.6 KiB
Lua
local cron = require 'cron'
|
|
|
|
describe( 'cron', function()
|
|
|
|
local counter
|
|
local function count(amount)
|
|
amount = amount or 1
|
|
counter = counter + amount
|
|
end
|
|
local countable = setmetatable({}, {__call = count})
|
|
|
|
before_each(function()
|
|
counter = 0
|
|
end)
|
|
|
|
|
|
describe('clock', function()
|
|
|
|
describe(':update', function()
|
|
it('throws an error if dt is not positive', function()
|
|
local clock = cron.every(1, count)
|
|
assert.error(function() clock:update() end)
|
|
assert.error(function() clock:update(-1) end)
|
|
assert.not_error(function() clock:update(1) end)
|
|
end)
|
|
end)
|
|
|
|
describe(':reset', function()
|
|
it('defaults to 0', function()
|
|
local clock = cron.every(1, count)
|
|
clock:update(1)
|
|
clock:reset(0)
|
|
assert.equal(clock.running, 0)
|
|
end)
|
|
it('throws an error if dt is not positive', function()
|
|
local clock = cron.every(1, count)
|
|
assert.error(function() clock:reset(-1) end)
|
|
assert.error(function() clock:reset('foo') end)
|
|
assert.not_error(function() clock:reset() end)
|
|
assert.not_error(function() clock:reset(1) end)
|
|
end)
|
|
end)
|
|
end)
|
|
|
|
|
|
describe('.after', function()
|
|
it('checks parameters', function()
|
|
assert.error(function() cron.after('error', count) end)
|
|
assert.error(function() cron.after(2, 'error') end)
|
|
assert.error(function() cron.after(-2, count) end)
|
|
assert.error(function() cron.after(2, {}) end)
|
|
assert.not_error(function() cron.after(2, count) end)
|
|
assert.not_error(function() cron.after(2, countable) end)
|
|
end)
|
|
|
|
it('produces a clock that executes actions only once, at the right time', function()
|
|
local c1 = cron.after(2, count)
|
|
local c2 = cron.after(4, count)
|
|
|
|
-- 1
|
|
c1:update(1)
|
|
assert.equal(counter, 0)
|
|
c2:update(1)
|
|
assert.equal(counter, 0)
|
|
|
|
-- 2
|
|
c1:update(1)
|
|
assert.equal(counter, 1)
|
|
c2:update(1)
|
|
assert.equal(counter, 1)
|
|
|
|
-- 3
|
|
c1:update(1)
|
|
assert.equal(counter, 1)
|
|
c2:update(1)
|
|
assert.equal(counter, 1)
|
|
|
|
-- 4
|
|
c1:update(1)
|
|
assert.equal(counter, 1)
|
|
c2:update(1)
|
|
assert.equal(counter, 2)
|
|
|
|
end)
|
|
|
|
it('produces a clock that can be expired', function()
|
|
local c1 = cron.after(2, count)
|
|
assert.is_false(c1:update(1))
|
|
assert.is_true(c1:update(1))
|
|
assert.is_true(c1:update(1))
|
|
end)
|
|
|
|
it('Passes on parameters to the callback', function()
|
|
local c1 = cron.after(1, count, 2)
|
|
c1:update(1)
|
|
assert.equal(counter, 2)
|
|
end)
|
|
end)
|
|
|
|
describe('.every', function()
|
|
it('checks parameters', function()
|
|
assert.error(function() cron.every('error', count) end)
|
|
assert.error(function() cron.every(2, 'error') end)
|
|
assert.error(function() cron.every(-2, count) end)
|
|
assert.error(function() cron.every(-2, {}) end)
|
|
assert.not_error(function() cron.every(2, count) end)
|
|
assert.not_error(function() cron.every(2, countable) end)
|
|
end)
|
|
|
|
it('Invokes callback periodically', function()
|
|
local c = cron.every(3, count)
|
|
|
|
c:update(1)
|
|
assert.equal(counter, 0)
|
|
|
|
c:update(2)
|
|
assert.equal(counter, 1)
|
|
|
|
c:update(2)
|
|
assert.equal(counter, 1)
|
|
|
|
c:update(1)
|
|
assert.equal(counter, 2)
|
|
end)
|
|
|
|
it('Executes the same action multiple times on a single update if appropiate', function()
|
|
local c = cron.every(1, count)
|
|
c:update(2)
|
|
assert.equal(counter, 2)
|
|
end)
|
|
|
|
it('Respects parameters', function()
|
|
local c = cron.every(1, count, 2)
|
|
c:update(2)
|
|
assert.equal(counter, 4)
|
|
end)
|
|
end)
|
|
|
|
end)
|