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/
storage_test.coffee
126 lines (103 loc) · 3.78 KB
/
storage_test.coffee
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{ assert, brains, Browser } = require("./helpers")
test = (scope)->
describe "initial", ->
before (done)->
Browser.visit "/storage", (error, browser)=>
@storage = scope(browser.window)
done(error)
it "should start with no keys", ->
assert.equal @storage.length, 0
it "should handle key() with no key", ->
assert !@storage.key(1)
it "should handle getItem() with no item", ->
assert.equal @storage.getItem("nosuch"), null
it "should handle removeItem() with no item", ->
assert.doesNotThrow =>
@storage.removeItem("nosuch")
it "should handle clear() with no items", ->
assert.doesNotThrow =>
@storage.clear()
describe "add some items", ->
before (done)->
Browser.visit "/storage", (error, browser)=>
@storage = scope(browser.window)
@storage.setItem "is", "hungry"
@storage.setItem "wants", "brains"
done(error)
it "should count all items in length", ->
assert.equal @storage.length, 2
it "should make key available", ->
keys = [@storage.key(0), @storage.key(1)].sort()
assert.deepEqual keys, ["is", "wants"]
it "should make value available", ->
assert.equal @storage.getItem("is"), "hungry"
assert.equal @storage.getItem("wants"), "brains"
describe "change an item", ->
before (done)->
Browser.visit "/storage", (error, browser)=>
@storage = scope(browser.window)
@storage.setItem "is", "hungry"
@storage.setItem "wants", "brains"
@storage.setItem "is", "dead"
@keys = [@storage.key(0), @storage.key(1)].sort()
done(error)
it "should leave length intact", ->
assert.equal @storage.length, 2
it "should keep key position", ->
assert.deepEqual [@storage.key(0), @storage.key(1)].sort(), @keys
it "should change value", ->
assert.equal @storage.getItem("is"), "dead"
it "should not change other values", ->
assert.equal @storage.getItem("wants"), "brains"
describe "remove an item", ->
before (done)->
Browser.visit "/storage", (error, browser)=>
@storage = scope(browser.window)
@storage.setItem "is", "hungry"
@storage.setItem "wants", "brains"
@storage.removeItem "is"
done(error)
it "should drop item from length", ->
assert.equal @storage.length, 1
it "should forget key", ->
assert.equal @storage.key(0), "wants"
assert !@storage.key(1)
it "should forget value", ->
assert.equal @storage.getItem("is"), null
assert.equal @storage.getItem("wants"), "brains"
describe "clean all items", ->
before (done)->
Browser.visit "/storage", (error, browser)=>
@storage = scope(browser.window)
@storage.setItem "is", "hungry"
@storage.setItem "wants", "brains"
@storage.clear()
done(error)
it "should reset length to zero", ->
assert.equal @storage.length, 0
it "should forget all keys", ->
assert !@storage.key(0)
it "should forget all values", ->
assert.equal @storage.getItem("is"), null
assert.equal @storage.getItem("wants"), null
describe "store null", ->
before (done)->
Browser.visit "/storage", (error, browser)=>
@storage = scope(browser.window)
@storage.setItem "null", null
done(error)
it "should store that item", ->
assert.equal @storage.length, 1
it "should return null for key", ->
assert.equal @storage.getItem("null"), null
describe "Storage", ->
before (done)->
brains.get "/storage", (req, res)->
res.send ""
brains.ready done
describe "local storage", ->
test.call this, (window)->
window.localStorage
describe "session storage", ->
test.call this, (window)->
window.sessionStorage