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mediawiki-extensions-Visual.../modules/ve/test/dm/ve.dm.SurfaceFragment.test.js
Roan Kattouw d3af8b877b dm.Surface: Initialize selection at (1,1) instead of (0,0) 
Code with a similar purpose was added in 568e0e5701 but got lost
when some things were moved from ve.Surface to ve.ce.Surface in
5012ed10.

Initializing the selection at (0,0) was known to cause problems before,
and since 789d0caf09 breaks editing of empty documents: typing in an
empty document begins in an inline slug, but SurfaceObserver doesn't
notice typing in an inline slug unless the ce.Surface pawns it, which
is OK because insertions in slugs are always pawned, but the pawning
logic believes the cursor to be at offset 0 where there is no slug
(it's at offset 1) and so it doesn't pawn.

Bonus: update tests and add descriptions for dm.Surface.change tests

Change-Id: Id72314d0fe650dacc7cdb842f5cea2f3bfba5145
2013-09-18 01:06:34 +00:00

512 lines
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JavaScript
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/*!
* VisualEditor DataModel SurfaceFragment tests.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
QUnit.module( 've.dm.SurfaceFragment' );
/* Tests */
QUnit.test( 'constructor', 8, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface );
// Default range and autoSelect
assert.strictEqual( fragment.getSurface(), surface, 'surface reference is stored' );
assert.strictEqual( fragment.getDocument(), doc, 'document reference is stored' );
assert.deepEqual( fragment.getRange(), new ve.Range( 1, 1 ), 'range is taken from surface' );
assert.strictEqual( fragment.willAutoSelect(), true, 'auto select by default' );
assert.strictEqual( fragment.isNull(), false, 'valid fragment is not null' );
// Invalid range and autoSelect
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( -100, 100 ), 'truthy' );
assert.equal( fragment.getRange().from, 0, 'range is clamped between 0 and document length' );
assert.equal( fragment.getRange().to, doc.data.getLength(), 'range is clamped between 0 and document length' );
assert.strictEqual( fragment.willAutoSelect(), false, 'noAutoSelect values are boolean' );
} );
QUnit.test( 'update', 3, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment1 = new ve.dm.SurfaceFragment( surface, new ve.Range( 55, 61 ) ),
fragment2 = new ve.dm.SurfaceFragment( surface, new ve.Range( 55, 61 ) ),
fragment3 = new ve.dm.SurfaceFragment( surface, new ve.Range( 55, 61 ) );
fragment1.wrapNodes(
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
assert.deepEqual(
fragment2.getRange(),
new ve.Range( 55, 69 ),
'fragment range changes after wrapNodes'
);
surface.undo();
assert.deepEqual(
fragment3.getRange(),
new ve.Range( 55, 61 ),
'fragment range restored after undo'
);
fragment1 = new ve.dm.SurfaceFragment( surface, new ve.Range( 1, 1 ) );
surface.breakpoint();
fragment1.insertContent( '01' );
surface.breakpoint();
fragment1 = fragment1.collapseRangeToEnd();
fragment1.insertContent( '234' );
fragment2 = fragment1.adjustRange();
surface.undo();
fragment1.insertContent( '5678' );
assert.deepEqual(
fragment2.getRange(),
new ve.Range( 3, 7 ),
'Range created during truncated undo point still translates correctly'
);
} );
QUnit.test( 'adjustRange', 4, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 20, 21 ) ),
adjustedFragment = fragment.adjustRange( -19, 35 );
assert.ok( fragment !== adjustedFragment, 'adjustRange produces a new fragment' );
assert.deepEqual( fragment.getRange(), new ve.Range( 20, 21 ), 'old fragment is not changed' );
assert.deepEqual( adjustedFragment.getRange(), new ve.Range( 1, 56 ), 'new range is used' );
adjustedFragment = fragment.adjustRange();
assert.deepEqual( adjustedFragment, fragment, 'fragment is clone if no parameters supplied' );
} );
QUnit.test( 'collapseRangeToStart/End', 6, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 20, 21 ) ),
collapsedFragment = fragment.collapseRangeToStart();
assert.ok( fragment !== collapsedFragment, 'collapseRangeToStart produces a new fragment' );
assert.deepEqual( fragment.getRange(), new ve.Range( 20, 21 ), 'old fragment is not changed' );
assert.deepEqual( collapsedFragment.getRange(), new ve.Range( 20, 20 ), 'new range is used' );
collapsedFragment = fragment.collapseRangeToEnd();
assert.ok( fragment !== collapsedFragment, 'collapseRangeToEnd produces a new fragment' );
assert.deepEqual( fragment.getRange(), new ve.Range( 20, 21 ), 'old fragment is not changed' );
assert.deepEqual( collapsedFragment.getRange(), new ve.Range( 21, 21 ), 'range is at end when collapseToEnd is set' );
} );
QUnit.test( 'expandRange (closest)', 1, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 20, 21 ) ),
exapandedFragment = fragment.expandRange( 'closest', 'invalid type' );
assert.strictEqual(
exapandedFragment.isNull(),
true,
'closest with invalid type results in null fragment'
);
} );
QUnit.test( 'expandRange (word)', 1, function ( assert ) {
var i, doc, surface, fragment, newFragment, range, word, cases = [
{
phrase: 'the quick brown fox',
range: new ve.Range( 6, 13 ),
expected: 'quick brown',
msg: 'range starting and ending in latin words'
},
{
phrase: 'the quick brown fox',
range: new ve.Range( 18, 12 ),
expected: 'brown fox',
msg: 'backwards range starting and ending in latin words'
},
{
phrase: 'the quick brown fox',
range: new ve.Range( 7, 7 ),
expected: 'quick',
msg: 'zero-length range'
}
];
QUnit.expect( cases.length*2 );
for ( i = 0; i < cases.length; i++ ) {
doc = new ve.dm.Document( cases[i].phrase.split( '' ) );
surface = new ve.dm.Surface( doc );
fragment = new ve.dm.SurfaceFragment( surface, cases[i].range );
newFragment = fragment.expandRange( 'word' );
range = newFragment.getRange();
word = cases[i].phrase.substring( range.start, range.end );
assert.strictEqual( word, cases[i].expected, cases[i].msg + ': text' );
assert.strictEqual( cases[i].range.isBackwards(), range.isBackwards(), cases[i].msg + ': range direction' );
}
} );
QUnit.test( 'removeContent', 6, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
originalDoc = ve.dm.example.createExampleDocument(),
expectedDoc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 1, 56 ) ),
expectedData = ve.copy( expectedDoc.data.slice( 0, 1 ) )
.concat( ve.copy( expectedDoc.data.slice( 4, 5 ) ) )
.concat( ve.copy( expectedDoc.data.slice( 55 ) ) );
fragment.removeContent();
assert.deepEqual(
doc.getData(),
expectedData,
'removing content drops fully covered nodes and strips partially covered ones'
);
assert.deepEqual(
fragment.getRange(),
new ve.Range( 1, 3 ),
'removing content results in a fragment covering just remaining structure'
);
surface.undo();
assert.deepEqual(
doc.getData(),
originalDoc.getData(),
'content restored after undo'
);
assert.deepEqual(
fragment.getRange(),
new ve.Range( 1, 56 ),
'range restored after undo'
);
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 1, 4 ) );
fragment.removeContent();
assert.deepEqual(
doc.getData( new ve.Range( 0, 2 ) ),
[
{ 'type': 'heading', 'attributes': { 'level': 1 } },
{ 'type': '/heading'}
],
'removing content empties node'
);
assert.deepEqual(
fragment.getRange(),
new ve.Range( 1, 1 ),
'removing content collapses range'
);
} );
QUnit.test( 'insertContent', 4, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 1, 4 ) );
fragment.insertContent( ['1', '2', '3'] );
assert.deepEqual(
doc.getData( new ve.Range( 1, 4 ) ),
['1', '2', '3'],
'inserting content replaces selection with new content'
);
assert.deepEqual(
fragment.getRange(),
new ve.Range( 1, 4 ),
'inserting content results in range around content'
);
surface.breakpoint();
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 4 ) );
fragment.insertContent( '321' );
assert.deepEqual(
doc.getData( new ve.Range( 4, 7 ) ),
['3', '2', '1'],
'strings get converted into data when inserting content'
);
surface.undo();
fragment.getRange();
assert.deepEqual(
fragment.getRange(),
new ve.Range( 4 ),
'range restored after undo'
);
} );
QUnit.test( 'changeAttributes', 1, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 0, 5 ) );
fragment.changeAttributes( { 'level': 3 } );
assert.deepEqual(
doc.getData( new ve.Range( 0, 1 ) ),
[ { 'type': 'heading', 'attributes': { 'level': 3 } } ],
'changing attributes affects covered nodes'
);
} );
QUnit.test( 'wrapNodes/unwrapNodes', 10, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
originalDoc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 55, 61 ) );
// Make 2 paragraphs into 2 lists of 1 item each
fragment.wrapNodes(
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
assert.deepEqual(
doc.getData( new ve.Range( 55, 69 ) ),
[
{
'type': 'list',
'attributes': { 'style': 'bullet' }
},
{ 'type': 'listItem' },
{ 'type': 'paragraph' },
'l',
{ 'type': '/paragraph' },
{ 'type': '/listItem' },
{ 'type': '/list' },
{
'type': 'list',
'attributes': { 'style': 'bullet' }
},
{ 'type': 'listItem' },
{ 'type': 'paragraph' },
'm',
{ 'type': '/paragraph' },
{ 'type': '/listItem' },
{ 'type': '/list' }
],
'wrapping nodes can add multiple levels of wrapping to multiple elements'
);
assert.deepEqual( fragment.getRange(), new ve.Range( 55, 69 ), 'new range contains wrapping elements' );
fragment.unwrapNodes( 0, 2 );
assert.deepEqual( doc.getData(), originalDoc.getData(), 'unwrapping 2 levels restores document to original state' );
assert.deepEqual( fragment.getRange(), new ve.Range( 55, 61 ), 'range after unwrapping is same as original range' );
// Make a 1 paragraph into 1 list with 1 item
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 9, 12 ) );
fragment.wrapNodes(
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
assert.deepEqual(
doc.getData( new ve.Range( 9, 16 ) ),
[
{
'type': 'list',
'attributes': { 'style': 'bullet' }
},
{ 'type': 'listItem' },
{ 'type': 'paragraph' },
'd',
{ 'type': '/paragraph' },
{ 'type': '/listItem' },
{ 'type': '/list' }
],
'wrapping nodes can add multiple levels of wrapping to a single element'
);
assert.deepEqual( fragment.getRange(), new ve.Range( 9, 16 ), 'new range contains wrapping elements' );
fragment.unwrapNodes( 0, 2 );
assert.deepEqual( doc.getData(), originalDoc.getData(), 'unwrapping 2 levels restores document to original state' );
assert.deepEqual( fragment.getRange(), new ve.Range( 9, 12 ), 'range after unwrapping is same as original range' );
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 8, 34 ) );
fragment.unwrapNodes( 3, 1 );
assert.deepEqual( fragment.getData(), doc.getData( new ve.Range( 5, 29 ) ), 'unwrapping multiple outer nodes and an inner node' );
assert.deepEqual( fragment.getRange(), new ve.Range( 5, 29 ), 'new range contains inner elements' );
} );
QUnit.test( 'rewrapNodes', 4, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 43, 55 ) ),
expectedDoc = ve.dm.example.createExampleDocument(),
expectedSurface = new ve.dm.Surface( expectedDoc ),
expectedFragment = new ve.dm.SurfaceFragment( expectedSurface, new ve.Range( 43, 55 ) ),
expectedData;
// set up wrapped nodes in example document
fragment.wrapNodes(
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
expectedFragment.wrapNodes(
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
// range is now 43, 59
// Compare a rewrap operation with its equivalent unwrap + wrap
// This type of test can only exist if the intermediate state is valid
fragment.rewrapNodes(
2,
[{ 'type': 'definitionList' }, { 'type': 'definitionListItem', 'attributes': { 'style': 'term' } }]
);
expectedFragment.unwrapNodes( 0, 2 );
expectedFragment.wrapNodes(
[{ 'type': 'definitionList' }, { 'type': 'definitionListItem', 'attributes': { 'style': 'term' } }]
);
assert.deepEqual(
doc.getData(),
expectedDoc.getData(),
'rewrapping multiple nodes via a valid intermediate state produces the same document as unwrapping then wrapping'
);
assert.deepEqual( fragment.getRange(), expectedFragment.getRange(), 'new range contains rewrapping elements' );
// Rewrap paragrphs as headings
// The intermediate stage (plain text attached to the document) would be invalid
// if performed as an unwrap and a wrap
expectedData = ve.copy( doc.getData() );
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 59, 65 ) );
fragment.rewrapNodes( 1, [ { 'type': 'heading', 'attributes': { 'level': 1 } } ] );
expectedData.splice( 59, 1, { 'type': 'heading', 'attributes': { 'level': 1 } } );
expectedData.splice( 61, 1, { 'type': '/heading' } );
expectedData.splice( 62, 1, { 'type': 'heading', 'attributes': { 'level': 1 } } );
expectedData.splice( 64, 1, { 'type': '/heading' } );
assert.deepEqual( doc.getData(), expectedData, 'rewrapping paragraphs as headings' );
assert.deepEqual( fragment.getRange(), new ve.Range( 59, 65 ), 'new range contains rewrapping elements' );
} );
QUnit.test( 'wrapAllNodes', 10, function ( assert ) {
var doc = ve.dm.example.createExampleDocument(),
originalDoc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 55, 61 ) ),
expectedData = ve.copy( doc.getData() );
// Make 2 paragraphs into 1 lists of 1 item with 2 paragraphs
fragment.wrapAllNodes(
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
assert.deepEqual(
doc.getData( new ve.Range( 55, 65 ) ),
[
{
'type': 'list',
'attributes': { 'style': 'bullet' }
},
{ 'type': 'listItem' },
{ 'type': 'paragraph' },
'l',
{ 'type': '/paragraph' },
{ 'type': 'paragraph' },
'm',
{ 'type': '/paragraph' },
{ 'type': '/listItem' },
{ 'type': '/list' }
],
'wrapping nodes can add multiple levels of wrapping to multiple elements'
);
assert.deepEqual( fragment.getRange(), new ve.Range( 55, 65 ), 'new range contains wrapping elements' );
fragment.unwrapNodes( 0, 2 );
assert.deepEqual( doc.getData(), originalDoc.getData(), 'unwrapping 2 levels restores document to original state' );
assert.deepEqual( fragment.getRange(), new ve.Range( 55, 61 ), 'range after unwrapping is same as original range' );
// Make a 1 paragraph into 1 list with 1 item
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 9, 12 ) );
fragment.wrapAllNodes(
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
assert.deepEqual(
doc.getData( new ve.Range( 9, 16 ) ),
[
{
'type': 'list',
'attributes': { 'style': 'bullet' }
},
{ 'type': 'listItem' },
{ 'type': 'paragraph' },
'd',
{ 'type': '/paragraph' },
{ 'type': '/listItem' },
{ 'type': '/list' }
],
'wrapping nodes can add multiple levels of wrapping to a single element'
);
assert.deepEqual( fragment.getRange(), new ve.Range( 9, 16 ), 'new range contains wrapping elements' );
fragment.unwrapNodes( 0, 2 );
assert.deepEqual( doc.getData(), originalDoc.getData(), 'unwrapping 2 levels restores document to original state' );
assert.deepEqual( fragment.getRange(), new ve.Range( 9, 12 ), 'range after unwrapping is same as original range' );
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 5, 37 ) );
assert.throws( function () {
fragment.unwrapNodes( 0, 20 );
}, /cannot unwrap by greater depth/, 'error thrown trying to unwrap more nodes that it is possible to contain' );
expectedData.splice( 5, 4 );
expectedData.splice( 29, 4 );
fragment.unwrapNodes( 0, 4 );
assert.deepEqual(
doc.getData(),
expectedData,
'unwrapping 4 levels (table, tableSection, tableRow and tableCell)'
);
} );
QUnit.test( 'rewrapAllNodes', 6, function ( assert ) {
var expectedData,
doc = ve.dm.example.createExampleDocument(),
originalDoc = ve.dm.example.createExampleDocument(),
surface = new ve.dm.Surface( doc ),
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 5, 37 ) ),
expectedDoc = ve.dm.example.createExampleDocument(),
expectedSurface = new ve.dm.Surface( expectedDoc ),
expectedFragment = new ve.dm.SurfaceFragment( expectedSurface, new ve.Range( 5, 37 ) );
// Compare a rewrap operation with its equivalent unwrap + wrap
// This type of test can only exist if the intermediate state is valid
fragment.rewrapAllNodes(
4,
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
expectedFragment.unwrapNodes( 0, 4 );
expectedFragment.wrapAllNodes(
[{ 'type': 'list', 'attributes': { 'style': 'bullet' } }, { 'type': 'listItem' }]
);
assert.deepEqual(
doc.getData(),
expectedDoc.getData(),
'rewrapping multiple nodes via a valid intermediate state produces the same document as unwrapping then wrapping'
);
assert.deepEqual( fragment.getRange(), expectedFragment.getRange(), 'new range contains rewrapping elements' );
// Reverse of first test
fragment.rewrapAllNodes(
2,
[
{ 'type': 'table' },
{ 'type': 'tableSection', 'attributes': { 'style': 'body' } },
{ 'type': 'tableRow' },
{ 'type': 'tableCell', 'attributes': { 'style': 'data' } }
]
);
expectedData = originalDoc.getData();
assert.deepEqual(
doc.getData(),
expectedData,
'rewrapping multiple nodes via a valid intermediate state produces the same document as unwrapping then wrapping'
);
assert.deepEqual( fragment.getRange(), new ve.Range( 5, 37 ), 'new range contains rewrapping elements' );
// Rewrap a heading as a paragraph
// The intermediate stage (plain text attached to the document) would be invalid
// if performed as an unwrap and a wrap
fragment = new ve.dm.SurfaceFragment( surface, new ve.Range( 0, 5 ) );
fragment.rewrapAllNodes( 1, [ { 'type': 'paragraph' } ] );
expectedData.splice( 0, 1, { 'type': 'paragraph' } );
expectedData.splice( 4, 1, { 'type': '/paragraph' } );
assert.deepEqual( doc.getData(), expectedData, 'rewrapping a heading as a paragraph' );
assert.deepEqual( fragment.getRange(), new ve.Range( 0, 5 ), 'new range contains rewrapping elements' );
} );
QUnit.test( 'isolateAndUnwrap', 1, function ( assert ) {
ve.test.utils.runIsolateTest( assert, 'heading', new ve.Range( 12, 20 ), function ( data ) {
data.splice( 11, 0, { 'type': 'listItem' } );
data.splice( 12, 1 );
data.splice( 20, 1, { 'type': '/listItem' } );
}, 'isolating paragraph in list item "Item 2" for heading' );
} );
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