mediawiki-extensions-Visual.../modules/ve/test/dm/ve.dm.Node.test.js
Catrope 49963c75fd Store the data model element in the DM tree
This is cleaner than passing around the attributes separately, and it
allows us to access the annotations in dm.LeafNode as well.

Change-Id: Ie5b90988114835831cbe5cdccf63c7cd45719e31
2012-11-27 14:36:29 -08:00

118 lines
3.4 KiB
JavaScript

/**
* VisualEditor data model Node tests.
*
* @copyright 2011-2012 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
QUnit.module( 've.dm.Node' );
/* Stubs */
ve.dm.NodeStub = function VeDmNodeStub( length, element ) {
// Parent constructor
ve.dm.Node.call( this, 'stub', length, element );
};
ve.inheritClass( ve.dm.NodeStub, ve.dm.Node );
ve.dm.NodeStub.rules = {
'isWrapped': true,
'isContent': true,
'canContainContent': false,
'childNodeTypes': []
};
ve.dm.NodeStub.converters = null;
ve.dm.nodeFactory.register( 'stub', ve.dm.NodeStub );
/* Tests */
QUnit.test( 'canHaveChildren', 1, function ( assert ) {
var node = new ve.dm.NodeStub();
assert.equal( node.canHaveChildren(), false );
} );
QUnit.test( 'canHaveGrandchildren', 1, function ( assert ) {
var node = new ve.dm.NodeStub();
assert.equal( node.canHaveGrandchildren(), false );
} );
QUnit.test( 'getLength', 2, function ( assert ) {
var node1 = new ve.dm.NodeStub(),
node2 = new ve.dm.NodeStub( 1234 );
assert.strictEqual( node1.getLength(), 0 );
assert.strictEqual( node2.getLength(), 1234 );
} );
QUnit.test( 'getOuterLength', 2, function ( assert ) {
var node1 = new ve.dm.NodeStub(),
node2 = new ve.dm.NodeStub( 1234 );
assert.strictEqual( node1.getOuterLength(), 2 );
assert.strictEqual( node2.getOuterLength(), 1236 );
} );
QUnit.test( 'setLength', 2, function ( assert ) {
var node = new ve.dm.NodeStub();
node.setLength( 1234 );
assert.strictEqual( node.getLength(), 1234 );
assert.throws(
function () {
// Length can not be negative
node.setLength( -1 );
},
Error,
'throws exception if length is negative'
);
} );
QUnit.test( 'adjustLength', 1, function ( assert ) {
var node = new ve.dm.NodeStub( 1234 );
node.adjustLength( 5678 );
assert.strictEqual( node.getLength(), 6912 );
} );
QUnit.test( 'getAttribute', 2, function ( assert ) {
var node = new ve.dm.NodeStub( 0, { 'type': 'stub', 'attributes': { 'a': 1, 'b': 2 } } );
assert.strictEqual( node.getAttribute( 'a' ), 1 );
assert.strictEqual( node.getAttribute( 'b' ), 2 );
} );
QUnit.test( 'setRoot', 1, function ( assert ) {
var node1 = new ve.dm.NodeStub(),
node2 = new ve.dm.NodeStub();
node1.setRoot( node2 );
assert.strictEqual( node1.getRoot(), node2 );
} );
QUnit.test( 'attach', 2, function ( assert ) {
var node1 = new ve.dm.NodeStub(),
node2 = new ve.dm.NodeStub();
node1.attach( node2 );
assert.strictEqual( node1.getParent(), node2 );
assert.strictEqual( node1.getRoot(), node2 );
} );
QUnit.test( 'detach', 2, function ( assert ) {
var node1 = new ve.dm.NodeStub(),
node2 = new ve.dm.NodeStub();
node1.attach( node2 );
node1.detach();
assert.strictEqual( node1.getParent(), null );
assert.strictEqual( node1.getRoot(), node1 );
} );
QUnit.test( 'canBeMergedWith', 4, function ( assert ) {
var node1 = new ve.dm.LeafNodeStub(),
node2 = new ve.dm.BranchNodeStub( [node1] ),
node3 = new ve.dm.BranchNodeStub( [node2] ),
node4 = new ve.dm.LeafNodeStub(),
node5 = new ve.dm.BranchNodeStub( [node4] );
assert.strictEqual( node3.canBeMergedWith( node5 ), true, 'same level, same type' );
assert.strictEqual( node2.canBeMergedWith( node5 ), false, 'different level, same type' );
assert.strictEqual( node2.canBeMergedWith( node1 ), false, 'different level, different type' );
assert.strictEqual( node2.canBeMergedWith( node4 ), false, 'same level, different type' );
} );