mediawiki-extensions-Visual.../modules/ve/test/dm/ve.dm.IndexValueStore.test.js

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/*!
* VisualEditor IndexValueStore tests.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
QUnit.module( 've.dm.IndexValueStore' );
/* Tests */
QUnit.test( 'index(es)/indexOfHash', 11, function ( assert ) {
var index, indexes,
object1 = { 'a': 1, 'b': 2 },
object2 = { 'c': 3, 'd': 4 },
store = new ve.dm.IndexValueStore();
index = store.index( object1 );
assert.equal( index, 0, 'First object stores in 0' );
index = store.index( object1 );
assert.equal( index, 0, 'First object re-stores in 0' );
index = store.index( object2 );
assert.equal( index, 1, 'Second object stores in 1' );
assert.deepEqual( store.value( 0 ), object1, '0th item is first object' );
index = store.index( object2, 'custom hash string' );
assert.equal( index, 2, 'Second object with custom hash stores in 2' );
index = store.index( object1, 'custom hash string' );
assert.equal( index, 2, 'Using the same custom hash stores in 2 again' );
assert.deepEqual( store.value( 0 ), object1, '2nd item is second object' );
assert.equal( store.indexOfHash( 'custom hash string' ), 2, 'Index of custom hash is 2' );
assert.equal( store.indexOfHash( 'unused hash string' ), null, 'Index of unused hash is null' );
store = new ve.dm.IndexValueStore();
indexes = store.indexes( [ object1, object2 ] );
assert.deepEqual( indexes, [ 0, 1 ], 'Store two objects in 0,1' );
store = new ve.dm.IndexValueStore();
index = store.index( 'String to store' );
assert.equal( store.value( 0 ), 'String to store', 'Strings are stored as strings, not objects' );
} );
QUnit.test( 'value(s)', 5, function ( assert ) {
var object1 = { 'a': 1, 'b': 2 },
object2 = { 'c': 3, 'd': 4 },
store = new ve.dm.IndexValueStore();
store.index( object1 );
store.index( object2 );
assert.deepEqual( store.value( 0 ), object1, 'Value 0 is first stored object' );
assert.deepEqual( store.value( 1 ), object2, 'Value 1 is second stored object' );
assert.equal( store.value( 2 ), undefined, 'Value 2 is undefined' );
assert.deepEqual( store.values( [1, 0] ), [ object2, object1 ], 'Values [1, 0] are second and first object' );
object1.a = 3;
assert.deepEqual( store.value( 0 ), { 'a': 1, 'b': 2 }, 'Value 0 is still first stored object after original has been modified' );
} );