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

   1 ( function ( mw ) {
   2         QUnit.module( 'mediawiki.storage: normal case.', {
   3                 setup: function () {
   4                         this.sandbox.stub( mw.storage, 'isLocalStorageSupported', true );
   5                         this.spy = this.sandbox.spy( localStorage, 'setItem' );
   6                         this.sandbox.stub( localStorage, 'getItem' )
   7                                 .withArgs( 'foo' ).returns( 'test' )
   8                                 .withArgs( 'bar' ).returns( null );
   9                 }
  10         } );
  11
  12         QUnit.test( 'set/get with localStorage', 4, function ( assert ) {
  13                 mw.storage.set( 'foo', 'test' );
  14                 assert.strictEqual( this.spy.calledOnce, true, 'Check localStorage called.' );
  15                 assert.strictEqual( this.spy.calledWith( 'foo', 'test' ), true,
  16                         'Check prefixed.' );
  17                 assert.strictEqual( mw.storage.get( 'foo' ), 'test', 'Check value gets stored.' );
  18                 assert.strictEqual( mw.storage.get( 'bar' ), null, 'Unset values are null.' );
  19         } );
  20
  21         QUnit.module( 'mediawiki.storage: localStorage does not exist', {
  22                 setup: function () {
  23                         this.sandbox.stub( mw.storage, 'isLocalStorageSupported', false );
  24                         this.sandbox.stub( localStorage, 'setItem' ).throws();
  25                 }
  26         } );
  27
  28         QUnit.test( 'set/get without localStorage', 3, function ( assert ) {
  29                 assert.strictEqual( mw.storage.set( 'foo', 'test' ), false,
  30                         'When localStorage not available save fails.' );
  31
  32                 assert.strictEqual( mw.storage.remove( 'foo', 'test' ), false,
  33                         'When localStorage not available remove fails.' );
  34
  35                 assert.strictEqual( mw.storage.get( 'foo' ), false,
  36                                 'Inability to retrieve values return false to differentiate from null (not set).' );
  37         } );
  38
  39         QUnit.module( 'mediawiki.storage: localStorage exhausted', {
  40                 setup: function () {
  41                         this.sandbox.stub( mw.storage, 'isLocalStorageSupported', true );
  42                         this.sandbox.stub( localStorage, 'setItem' ).throws();
  43                         this.sandbox.stub( localStorage, 'getItem' ).returns( null );
  44                 }
  45         } );
  46
  47         QUnit.test( 'set/get without localStorage', 2, function ( assert ) {
  48                 assert.strictEqual( mw.storage.set( 'foo', 'test' ), false,
  49                         'When localStorage not available inform user with false.' );
  50                 assert.strictEqual( mw.storage.get( 'foo' ), null, 'No value registered.' );
  51         } );
  52
  53 }( mediaWiki ) );