4 * @covers DifferenceEngine
6 * @todo tests for the rest of DifferenceEngine!
10 * @licence GNU GPL v2+
11 * @author Katie Filbert < aude.wiki@gmail.com >
13 class DifferenceEngineTest
extends MediaWikiTestCase
{
17 private static $revisions;
19 public function setUp() {
22 $title = $this->getTitle();
24 $this->context
= new RequestContext();
25 $this->context
->setTitle( $title );
27 if ( !self
::$revisions ) {
28 self
::$revisions = $this->doEdits();
35 protected function getTitle() {
36 $namespace = $this->getDefaultWikitextNS();
37 return Title
::newFromText( 'Kitten', $namespace );
41 * @return int[] revision ids
43 protected function doEdits() {
44 $title = $this->getTitle();
45 $page = WikiPage
::factory( $title );
47 $strings = array( "it is a kitten", "two kittens", "three kittens", "four kittens" );
50 foreach ( $strings as $string ) {
51 $content = ContentHandler
::makeContent( $string, $title );
52 $page->doEditContent( $content, 'edit page' );
53 $revisions[] = $page->getLatest();
59 public function testMapDiffPrevNext() {
60 $cases = $this->getMapDiffPrevNextCases();
62 foreach ( $cases as $case ) {
63 list( $expected, $old, $new, $message ) = $case;
65 $diffEngine = new DifferenceEngine( $this->context
, $old, $new, 2, true, false );
66 $diffMap = $diffEngine->mapDiffPrevNext( $old, $new );
67 $this->assertEquals( $expected, $diffMap, $message );
71 private function getMapDiffPrevNextCases() {
72 $revs = self
::$revisions;
75 array( array( $revs[1], $revs[2] ), $revs[2], 'prev', 'diff=prev' ),
76 array( array( $revs[2], $revs[3] ), $revs[2], 'next', 'diff=next' ),
77 array( array( $revs[1], $revs[3] ), $revs[1], $revs[3], 'diff=' . $revs[3] )
81 public function testLoadRevisionData() {
82 $cases = $this->getLoadRevisionDataCases();
84 foreach ( $cases as $case ) {
85 list( $expectedOld, $expectedNew, $old, $new, $message ) = $case;
87 $diffEngine = new DifferenceEngine( $this->context
, $old, $new, 2, true, false );
88 $diffEngine->loadRevisionData();
90 $this->assertEquals( $diffEngine->getOldid(), $expectedOld, $message );
91 $this->assertEquals( $diffEngine->getNewid(), $expectedNew, $message );
95 private function getLoadRevisionDataCases() {
96 $revs = self
::$revisions;
99 array( $revs[2], $revs[3], $revs[3], 'prev', 'diff=prev' ),
100 array( $revs[2], $revs[3], $revs[2], 'next', 'diff=next' ),
101 array( $revs[1], $revs[3], $revs[1], $revs[3], 'diff=' . $revs[3] ),
102 array( $revs[1], $revs[3], $revs[1], 0, 'diff=0' )
106 public function testGetOldid() {
107 $revs = self
::$revisions;
109 $diffEngine = new DifferenceEngine( $this->context
, $revs[1], $revs[2], 2, true, false );
110 $this->assertEquals( $revs[1], $diffEngine->getOldid(), 'diff get old id' );
113 public function testGetNewid() {
114 $revs = self
::$revisions;
116 $diffEngine = new DifferenceEngine( $this->context
, $revs[1], $revs[2], 2, true, false );
117 $this->assertEquals( $revs[2], $diffEngine->getNewid(), 'diff get new id' );