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added methods:

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isSupported()
getEditsStoreSizeBytes()
getLocalStorageSizeBytes()
This commit is contained in:
Javier Abadia 2014-01-21 23:25:49 +01:00
parent 6c6fb11086
commit d29dfb8b85
2 changed files with 57 additions and 1 deletions
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33
lib/edit/editsStore.js
View File

@ -1,6 +1,6 @@
"use strict"
define(["esri/graphic"],function(Graphic)
define(["esri/graphic"], function(Graphic)
{
/* private consts */
var EDITS_QUEUE_KEY = "esriEditsQueue";
@ -19,6 +19,19 @@ define(["esri/graphic"],function(Graphic)
UPDATE: "update",
DELETE:"delete",
isSupported: function()
{
// http://stackoverflow.com/questions/11214404/how-to-detect-if-browser-supports-html5-local-storage
var mod = 'esriLocalStorageTest';
try {
window.localStorage.setItem(mod, mod);
window.localStorage.removeItem(mod);
return true;
} catch(e) {
return false;
}
},
pushEdit: function(operation,layer,graphic)
{
var edit = {
@ -126,6 +139,24 @@ define(["esri/graphic"],function(Graphic)
return editToRedo;
},
getEditsStoreSizeBytes: function()
{
return window.localStorage.getItem(EDITS_QUEUE_KEY).length +
window.localStorage.getItem(REDO_STACK_KEY).length;
},
getLocalStorageSizeBytes: function()
{
var bytes = 0;
for( var key in window.localStorage )
{
var value = window.localStorage.getItem(key);
bytes += value.length;
}
return bytes;
},
//
// internal methods
//

25
test/spec/editsStoreSpec.js
View File

@ -190,6 +190,14 @@ describe("Internal Methods", function()
describe("Public Interface", function()
{
describe("Support detection", function()
{
it("detect local storage support", function()
{
expect(g_editsStore.isSupported()).toBeTruthy();
})
});
describe("Edit queue management", function()
{
describe("Normal edits", function()
@ -420,6 +428,23 @@ describe("Public Interface", function()
});
});
});
describe("Local Storage size", function()
{
var usedBytes, totalBytes;
it("report edit store size", function()
{
usedBytes = g_editsStore.getEditsStoreSizeBytes();
expect(usedBytes).toBe(678);
});
it("report total local storage size", function()
{
totalBytes = g_editsStore.getLocalStorageSizeBytes();
expect(usedBytes).not.toBeGreaterThan(totalBytes);
})
})
});
describe("Reset store", function()