mediawiki-extensions-Visual.../modules/ve/test/dm/ve.dm.Surface.test.js
Ed Sanders d6ca977397 Rename big/small stack to undoStack & newTransactions
Becuase big/small stack doesn't really mean anything.
Bonus: rename the transactions property of the stack item from
'stack' to 'transactions'.

Bug: 49754
Change-Id: I361dda49f4c1e58a541df5b9e478cf20957939a1
2013-12-08 20:25:53 +00:00

89 lines
2.9 KiB
JavaScript

/*!
* VisualEditor DataModel Surface tests.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
QUnit.module( 've.dm.Surface' );
ve.dm.SurfaceStub = function VeDmSurfaceStub( data ) {
if ( data !== undefined ) {
this.dm = new ve.dm.Document( data );
} else {
this.dm = new ve.dm.Document( [{ 'type': 'paragraph' }, 'h', 'i', { 'type': '/paragraph' }] );
}
// Inheritance
ve.dm.Surface.call( this, this.dm );
};
OO.inheritClass( ve.dm.SurfaceStub, ve.dm.Surface );
// Tests
QUnit.test( 'getDocument', 1, function ( assert ) {
var surface = new ve.dm.SurfaceStub();
assert.strictEqual( surface.getDocument(), surface.documentModel );
} );
QUnit.test( 'getSelection', 1, function ( assert ) {
var surface = new ve.dm.SurfaceStub();
assert.strictEqual( surface.getSelection(), surface.selection );
} );
QUnit.test( 'change', 3, function ( assert ) {
var tx, surface = new ve.dm.SurfaceStub(),
events = {
'documentUpdate': 0,
'select': 0
};
// docmentUpdate doesn't fire for no-op transactions, so make sure there's something there
tx = ve.dm.Transaction.newFromInsertion( surface.getDocument(), 3, [ 'i' ] );
surface.on( 'documentUpdate', function () {
events.documentUpdate++;
} );
surface.on( 'select', function () {
events.select++;
} );
surface.change( tx.clone() );
assert.deepEqual( events, { 'documentUpdate': 1, 'select': 0 }, 'transaction without selection' );
surface.setSelection( new ve.Range( 2, 2 ) );
assert.deepEqual( events, { 'documentUpdate': 1, 'select': 1 }, 'selection without transaction' );
surface.change( tx.clone(), new ve.Range( 3, 3 ) );
assert.deepEqual( events, { 'documentUpdate': 2, 'select': 2 }, 'transaction and selection' );
} );
QUnit.test( 'breakpoint', 7, function ( assert ) {
var surface = new ve.dm.SurfaceStub(),
tx = new ve.dm.Transaction.newFromInsertion( surface.dm, 1, ['x'] ),
selection = new ve.Range( 1, 1 );
assert.equal( surface.breakpoint(), false, 'Returns false if no transactions applied' );
surface.change( tx, selection );
assert.deepEqual( surface.undoStack, [], 'Undo stack data matches before breakpoint' );
assert.deepEqual( surface.newTransactions, [tx], 'New transactions match before breakpoint' );
assert.equal( surface.breakpoint(), true, 'Returns true after transaction applied' );
assert.equal( surface.breakpoint(), false, 'Returns false if no transactions applied since last breakpoint' );
assert.deepEqual( surface.undoStack, [ {
'transactions': [tx],
'selection': selection
} ],
'Undo stack data matches after breakpoint'
);
assert.deepEqual( surface.newTransactions, [], 'New transactions match after breakpoint' );
} );
// TODO: ve.dm.Surface#getHistory
// TODO: ve.dm.Surface#purgeHistory
// TODO: ve.dm.Surface#hasFutureState
// TODO: ve.dm.Surface#hasPastState
// TODO: ve.dm.Surface#truncateUndoStack
// TODO: ve.dm.Surface#undo
// TODO: ve.dm.Surface#redo