tests/phpunit/includes/diff/ArrayDiffFormatterTest.php

   1 <?php
   2
   3 /**
   4  * @licence GNU GPL v2+
   5  * @author Adam Shorland
   6  *
   7  * @group Diff
   8  */
   9 class ArrayDiffFormatterTest extends MediaWikiTestCase {
  10
  11         /**
  12          * @param Diff $input
  13          * @param array $expectedOutput
  14          * @dataProvider provideTestFormat
  15          * @covers ArrayDiffFormatter::format
  16          */
  17         public function testFormat( $input, $expectedOutput ) {
  18                 $instance = new ArrayDiffFormatter();
  19                 $output = $instance->format( $input );
  20                 $this->assertEquals( $expectedOutput, $output );
  21         }
  22
  23         private function getMockDiff( $edits ) {
  24                 $diff = $this->getMockBuilder( 'Diff' )
  25                         ->disableOriginalConstructor()
  26                         ->getMock();
  27                 $diff->expects( $this->any() )
  28                         ->method( 'getEdits' )
  29                         ->will( $this->returnValue( $edits ) );
  30                 return $diff;
  31         }
  32
  33         private function getMockDiffOp( $type = null, $orig = array(), $closing = array() ) {
  34                 $diffOp = $this->getMockBuilder( 'DiffOp' )
  35                         ->disableOriginalConstructor()
  36                         ->getMock();
  37                 $diffOp->expects( $this->any() )
  38                         ->method( 'getType' )
  39                         ->will( $this->returnValue( $type ) );
  40                 $diffOp->expects( $this->any() )
  41                         ->method( 'getOrig' )
  42                         ->will( $this->returnValue( $orig ) );
  43                 if ( $type === 'change' ) {
  44                         $diffOp->expects( $this->any() )
  45                                 ->method( 'getClosing' )
  46                                 ->with( $this->isType( 'integer' ) )
  47                                 ->will( $this->returnCallback( function () {
  48                                         return 'mockLine';
  49                                 } ) );
  50                 } else {
  51                         $diffOp->expects( $this->any() )
  52                                 ->method( 'getClosing' )
  53                                 ->will( $this->returnValue( $closing ) );
  54                 }
  55                 return $diffOp;
  56         }
  57
  58         public function provideTestFormat() {
  59                 $emptyArrayTestCases = array(
  60                         $this->getMockDiff( array() ),
  61                         $this->getMockDiff( array( $this->getMockDiffOp( 'add' ) ) ),
  62                         $this->getMockDiff( array( $this->getMockDiffOp( 'delete' ) ) ),
  63                         $this->getMockDiff( array( $this->getMockDiffOp( 'change' ) ) ),
  64                         $this->getMockDiff( array( $this->getMockDiffOp( 'copy' ) ) ),
  65                         $this->getMockDiff( array( $this->getMockDiffOp( 'FOOBARBAZ' ) ) ),
  66                         $this->getMockDiff( array( $this->getMockDiffOp( 'add', 'line' ) ) ),
  67                         $this->getMockDiff( array( $this->getMockDiffOp( 'delete', array(), array( 'line' ) ) ) ),
  68                         $this->getMockDiff( array( $this->getMockDiffOp( 'copy', array(), array( 'line' ) ) ) ),
  69                 );
  70
  71                 $otherTestCases = array();
  72                 $otherTestCases[] = array(
  73                         $this->getMockDiff( array( $this->getMockDiffOp( 'add', array( ), array( 'a1' ) ) ) ),
  74                         array( array( 'action' => 'add', 'new' => 'a1', 'newline' => 1 ) ),
  75                 );
  76                 $otherTestCases[] = array(
  77                         $this->getMockDiff( array( $this->getMockDiffOp( 'add', array( ), array( 'a1', 'a2' ) ) ) ),
  78                         array(
  79                                 array( 'action' => 'add', 'new' => 'a1', 'newline' => 1 ),
  80                                 array( 'action' => 'add', 'new' => 'a2', 'newline' => 2 ),
  81                         ),
  82                 );
  83                 $otherTestCases[] = array(
  84                         $this->getMockDiff( array( $this->getMockDiffOp( 'delete', array( 'd1' ) ) ) ),
  85                         array( array( 'action' => 'delete', 'old' => 'd1', 'oldline' => 1 ) ),
  86                 );
  87                 $otherTestCases[] = array(
  88                         $this->getMockDiff( array( $this->getMockDiffOp( 'delete', array( 'd1', 'd2' ) ) ) ),
  89                         array(
  90                                 array( 'action' => 'delete', 'old' => 'd1', 'oldline' => 1 ),
  91                                 array( 'action' => 'delete', 'old' => 'd2', 'oldline' => 2 ),
  92                         ),
  93                 );
  94                 $otherTestCases[] = array(
  95                         $this->getMockDiff( array( $this->getMockDiffOp( 'change', array( 'd1' ), array( 'a1' ) ) ) ),
  96                         array( array(
  97                                 'action' => 'change',
  98                                 'old' => 'd1',
  99                                 'new' => 'mockLine',
 100                                 'newline' => 1, 'oldline' => 1
 101                         ) ),
 102                 );
 103                 $otherTestCases[] = array(
 104                         $this->getMockDiff( array( $this->getMockDiffOp(
 105                                 'change',
 106                                 array( 'd1', 'd2' ),
 107                                 array( 'a1', 'a2' )
 108                         ) ) ),
 109                         array(
 110                                 array(
 111                                         'action' => 'change',
 112                                         'old' => 'd1',
 113                                         'new' => 'mockLine',
 114                                         'newline' => 1, 'oldline' => 1
 115                                 ),
 116                                 array(
 117                                         'action' => 'change',
 118                                         'old' => 'd2',
 119                                         'new' => 'mockLine',
 120                                         'newline' => 2, 'oldline' => 2
 121                                 ),
 122                         ),
 123                 );
 124
 125                 $testCases = array();
 126                 foreach ( $emptyArrayTestCases as $testCase ) {
 127                         $testCases[] = array( $testCase, array() );
 128                 }
 129                 foreach ( $otherTestCases as $testCase ) {
 130                         $testCases[] = array( $testCase[0], $testCase[1] );
 131                 }
 132                 return $testCases;
 133         }
 134
 135 }