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{LocalStorage} = require('../')
path = require('path')
tape = require('tape')
repeat = (string, count) ->
a = []
while count--
a.push(string)
return a.join('')
tape('localStorage API', (test) =>
localStorage = new LocalStorage('./scratch')
test.equal(localStorage._location, path.resolve('./scratch'))
localStorage.setItem('/', 'something')
test.equal(localStorage.getItem('/'), 'something')
o = {a:1, b:'some string', c:{x: 1, y: 2}}
localStorage.setItem('2', o)
test.deepEqual(localStorage.getItem('2'), o.toString())
a = [1, 'some string', {a:1, b:'some string', c:{x: 1, y: 2}}]
localStorage.setItem('2', a)
test.deepEqual(localStorage.getItem('2'), a.toString())
test.deepEqual(localStorage._keys, ['/', '2'])
test.equal(localStorage.length, 2)
localStorage.removeItem('2')
test.equal(localStorage.getItem('2'), null)
test.deepEqual(localStorage._keys, ['/'])
test.equal(localStorage.length, 1)
test.equal(localStorage.key(0), '/')
localStorage.clear()
test.equal(localStorage.length, 0)
localStorage._deleteLocation()
test.end()
)
tape('quota', (test) =>
n10 = '01234567890'
n100 = repeat('0123456789', 10)
n1000 = repeat(n100, 10)
n10000 = repeat(n1000, 10)
ls = new LocalStorage('./scratch2', 3000)
ls.setItem(1, n1000)
ls.setItem(2, n1000)
ls.setItem(3, n1000)
test.equal(ls._getBytesInUse(), 3000)
f = () ->
ls.setItem(6, n10)
test.throws(f, Error)
ls.setItem(2, n1000) # Should not throw because it replaces one of equal size
ls.removeItem(3)
ls.setItem(7, n100)
f2 = () ->
ls.setitem(8, n1000)
test.throws(f2, Error)
ls._deleteLocation()
test.end()
)
tape('no new keyword', (test) =>
local = LocalStorage('./scratch3')
local.setItem('Hello', ' world!')
test.equals(local.getItem('Hello'), ' world!')
local._deleteLocation()
test.end()
)
tape('null', (test) =>
local = LocalStorage('./scratch4')
test.equals(local.getItem('junk'), null)
local._deleteLocation()
test.end()
)
tape('remove keys', (test) =>
localStorage = new LocalStorage('./scratch6');
localStorage.setItem('a', 'hello')
localStorage.setItem('b', 'hello')
localStorage.setItem('c', 'hello')
localStorage.setItem('d', 'hello')
test.deepEqual(localStorage._keys, ['a', 'b', 'c', 'd'])
localStorage.removeItem('c')
test.deepEqual(localStorage._keys, ['a', 'b', 'd'])
localStorage.removeItem('a');
test.deepEqual(localStorage._keys, ['b', 'd'])
localStorage.removeItem('b')
test.deepEqual(localStorage._keys, ['d'])
localStorage.removeItem('d')
test.deepEqual(localStorage._keys, [])
localStorage._deleteLocation()
test.end()
)
tape('events', (test) =>
localStorage = new LocalStorage('./scratch5')
expectedUrl = "pid:" + process.pid
key = null; oldVal = null; newVal = null; url = null
handleEvent = (evnt) ->
key = evnt.key
oldVal = evnt.oldValue
newVal = evnt.newValue
url = evnt.url
localStorage.on('storage', handleEvent)
localStorage.setItem('a', 'something')
test.equal(localStorage.getItem('a'), 'something')
test.equal(key, 'a')
test.equal(oldVal, null)
test.equal(newVal, 'something')
test.equal(url, expectedUrl)
key = null; oldVal = null; newVal = null; url = null
localStorage.setItem('a', 'somethingnew')
test.equal(localStorage.getItem('a'), 'somethingnew')
test.equal(key, 'a')
test.equal(oldVal, 'something')
test.equal(newVal, 'somethingnew')
test.equal(url, expectedUrl)
key = null; oldVal = null; newVal = null; url = null
localStorage.removeItem('a')
test.equal(localStorage.getItem('a'), null)
test.equal(key, 'a')
test.equal(oldVal, 'somethingnew')
test.equal(newVal, null)
test.equal(url, expectedUrl)
key = null; oldVal = null; newVal = null; url = null
localStorage.clear();
test.equal(localStorage.getItem('a'), null)
test.equal(key, null)
test.equal(oldVal, null)
test.equal(newVal, null)
test.equal(url, expectedUrl)
localStorage._deleteLocation()
test.end()
)
tape('get stat', (test) =>
localStorage = new LocalStorage('./scratch7')
o = {a:1, b:'some string', c:{x: 1, y: 2}}
localStorage.setItem('stat', o)
test.deepEqual(localStorage.getItem('stat'), o.toString())
test.ok(localStorage._getStat('stat')?)
test.equal(localStorage._getStat('not there'), null)
localStorage._deleteLocation()
test.end()
)
tape('empty string', (test) =>
localStorage = new LocalStorage('./scratch8')
localStorage.setItem('', 'something')
test.equal(localStorage.getItem(''), 'something')
test.equal(localStorage.key(0), '')
localStorage._deleteLocation()
test.end()
)
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