tests/phpunit/unit/includes/diff/ArrayDiffFormatterTest.php

   1 <?php
   2
   3 /**
   4  * @author Addshore
   5  *
   6  * @group Diff
   7  */
   8 class ArrayDiffFormatterTest extends \MediaWikiUnitTestCase {
   9
  10         /**
  11          * @param Diff $input
  12          * @param array $expectedOutput
  13          * @dataProvider provideTestFormat
  14          * @covers ArrayDiffFormatter::format
  15          */
  16         public function testFormat( $input, $expectedOutput ) {
  17                 $instance = new ArrayDiffFormatter();
  18                 $output = $instance->format( $input );
  19                 $this->assertEquals( $expectedOutput, $output );
  20         }
  21
  22         private function getMockDiff( $edits ) {
  23                 $diff = $this->getMockBuilder( Diff::class )
  24                         ->disableOriginalConstructor()
  25                         ->getMock();
  26                 $diff->expects( $this->any() )
  27                         ->method( 'getEdits' )
  28                         ->will( $this->returnValue( $edits ) );
  29                 return $diff;
  30         }
  31
  32         private function getMockDiffOp( $type = null, $orig = [], $closing = [] ) {
  33                 $diffOp = $this->getMockBuilder( DiffOp::class )
  34                         ->disableOriginalConstructor()
  35                         ->getMock();
  36                 $diffOp->expects( $this->any() )
  37                         ->method( 'getType' )
  38                         ->will( $this->returnValue( $type ) );
  39                 $diffOp->expects( $this->any() )
  40                         ->method( 'getOrig' )
  41                         ->will( $this->returnValue( $orig ) );
  42                 if ( $type === 'change' ) {
  43                         $diffOp->expects( $this->any() )
  44                                 ->method( 'getClosing' )
  45                                 ->with( $this->isType( 'integer' ) )
  46                                 ->will( $this->returnCallback( function () {
  47                                         return 'mockLine';
  48                                 } ) );
  49                 } else {
  50                         $diffOp->expects( $this->any() )
  51                                 ->method( 'getClosing' )
  52                                 ->will( $this->returnValue( $closing ) );
  53                 }
  54                 return $diffOp;
  55         }
  56
  57         public function provideTestFormat() {
  58                 $emptyArrayTestCases = [
  59                         $this->getMockDiff( [] ),
  60                         $this->getMockDiff( [ $this->getMockDiffOp( 'add' ) ] ),
  61                         $this->getMockDiff( [ $this->getMockDiffOp( 'delete' ) ] ),
  62                         $this->getMockDiff( [ $this->getMockDiffOp( 'change' ) ] ),
  63                         $this->getMockDiff( [ $this->getMockDiffOp( 'copy' ) ] ),
  64                         $this->getMockDiff( [ $this->getMockDiffOp( 'FOOBARBAZ' ) ] ),
  65                         $this->getMockDiff( [ $this->getMockDiffOp( 'add', 'line' ) ] ),
  66                         $this->getMockDiff( [ $this->getMockDiffOp( 'delete', [], [ 'line' ] ) ] ),
  67                         $this->getMockDiff( [ $this->getMockDiffOp( 'copy', [], [ 'line' ] ) ] ),
  68                 ];
  69
  70                 $otherTestCases = [];
  71                 $otherTestCases[] = [
  72                         $this->getMockDiff( [ $this->getMockDiffOp( 'add', [], [ 'a1' ] ) ] ),
  73                         [ [ 'action' => 'add', 'new' => 'a1', 'newline' => 1 ] ],
  74                 ];
  75                 $otherTestCases[] = [
  76                         $this->getMockDiff( [ $this->getMockDiffOp( 'add', [], [ 'a1', 'a2' ] ) ] ),
  77                         [
  78                                 [ 'action' => 'add', 'new' => 'a1', 'newline' => 1 ],
  79                                 [ 'action' => 'add', 'new' => 'a2', 'newline' => 2 ],
  80                         ],
  81                 ];
  82                 $otherTestCases[] = [
  83                         $this->getMockDiff( [ $this->getMockDiffOp( 'delete', [ 'd1' ] ) ] ),
  84                         [ [ 'action' => 'delete', 'old' => 'd1', 'oldline' => 1 ] ],
  85                 ];
  86                 $otherTestCases[] = [
  87                         $this->getMockDiff( [ $this->getMockDiffOp( 'delete', [ 'd1', 'd2' ] ) ] ),
  88                         [
  89                                 [ 'action' => 'delete', 'old' => 'd1', 'oldline' => 1 ],
  90                                 [ 'action' => 'delete', 'old' => 'd2', 'oldline' => 2 ],
  91                         ],
  92                 ];
  93                 $otherTestCases[] = [
  94                         $this->getMockDiff( [ $this->getMockDiffOp( 'change', [ 'd1' ], [ 'a1' ] ) ] ),
  95                         [ [
  96                                 'action' => 'change',
  97                                 'old' => 'd1',
  98                                 'new' => 'mockLine',
  99                                 'newline' => 1, 'oldline' => 1
 100                         ] ],
 101                 ];
 102                 $otherTestCases[] = [
 103                         $this->getMockDiff( [ $this->getMockDiffOp(
 104                                 'change',
 105                                 [ 'd1', 'd2' ],
 106                                 [ 'a1', 'a2' ]
 107                         ) ] ),
 108                         [
 109                                 [
 110                                         'action' => 'change',
 111                                         'old' => 'd1',
 112                                         'new' => 'mockLine',
 113                                         'newline' => 1, 'oldline' => 1
 114                                 ],
 115                                 [
 116                                         'action' => 'change',
 117                                         'old' => 'd2',
 118                                         'new' => 'mockLine',
 119                                         'newline' => 2, 'oldline' => 2
 120                                 ],
 121                         ],
 122                 ];
 123
 124                 $testCases = [];
 125                 foreach ( $emptyArrayTestCases as $testCase ) {
 126                         $testCases[] = [ $testCase, [] ];
 127                 }
 128                 foreach ( $otherTestCases as $testCase ) {
 129                         $testCases[] = [ $testCase[0], $testCase[1] ];
 130                 }
 131                 return $testCases;
 132         }
 133
 134 }