tests/qunit/suites/resources/mediawiki/mediawiki.storage.test.js

   1 ( function () {
   2         QUnit.module( 'mediawiki.storage' );
   3
   4         QUnit.test( 'set/get with storage support', function ( assert ) {
   5                 var stub = {
   6                         setItem: this.sandbox.spy(),
   7                         getItem: this.sandbox.stub()
   8                 };
   9                 stub.getItem.withArgs( 'foo' ).returns( 'test' );
  10                 stub.getItem.returns( null );
  11                 this.sandbox.stub( mw.storage, 'store', stub );
  12
  13                 mw.storage.set( 'foo', 'test' );
  14                 assert.ok( stub.setItem.calledOnce );
  15
  16                 assert.strictEqual( mw.storage.get( 'foo' ), 'test', 'Check value gets stored.' );
  17                 assert.strictEqual( mw.storage.get( 'bar' ), null, 'Unset values are null.' );
  18         } );
  19
  20         QUnit.test( 'set/get with storage methods disabled', function ( assert ) {
  21                 // This covers browsers where storage is disabled
  22                 // (quota full, or security/privacy settings).
  23                 // On most browsers, these interface will be accessible with
  24                 // their methods throwing.
  25                 var stub = {
  26                         getItem: this.sandbox.stub(),
  27                         removeItem: this.sandbox.stub(),
  28                         setItem: this.sandbox.stub()
  29                 };
  30                 stub.getItem.throws();
  31                 stub.setItem.throws();
  32                 stub.removeItem.throws();
  33                 this.sandbox.stub( mw.storage, 'store', stub );
  34
  35                 assert.strictEqual( mw.storage.get( 'foo' ), false );
  36                 assert.strictEqual( mw.storage.set( 'foo', 'test' ), false );
  37                 assert.strictEqual( mw.storage.remove( 'foo', 'test' ), false );
  38         } );
  39
  40         QUnit.test( 'set/get with storage object disabled', function ( assert ) {
  41                 // On other browsers, these entire object is disabled.
  42                 // `'localStorage' in window` would be true (and pass feature test)
  43                 // but trying to read the object as window.localStorage would throw
  44                 // an exception. Such case would instantiate SafeStorage with
  45                 // undefined after the internal try/catch.
  46                 var old = mw.storage.store;
  47                 mw.storage.store = undefined;
  48
  49                 assert.strictEqual( mw.storage.get( 'foo' ), false );
  50                 assert.strictEqual( mw.storage.set( 'foo', 'test' ), false );
  51                 assert.strictEqual( mw.storage.remove( 'foo', 'test' ), false );
  52
  53                 mw.storage.store = old;
  54         } );
  55
  56 }() );