tests/phpunit/includes/diff/ArrayDiffFormatterTest.php

   1 <?php
   2
   3 /**
   4  * @author Adam Shorland
   5  *
   6  * @group Diff
   7  */
   8 class ArrayDiffFormatterTest extends MediaWikiTestCase {
   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' )
  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 = array(), $closing = array() ) {
  33                 $diffOp = $this->getMockBuilder( 'DiffOp' )
  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 = array(
  59                         $this->getMockDiff( array() ),
  60                         $this->getMockDiff( array( $this->getMockDiffOp( 'add' ) ) ),
  61                         $this->getMockDiff( array( $this->getMockDiffOp( 'delete' ) ) ),
  62                         $this->getMockDiff( array( $this->getMockDiffOp( 'change' ) ) ),
  63                         $this->getMockDiff( array( $this->getMockDiffOp( 'copy' ) ) ),
  64                         $this->getMockDiff( array( $this->getMockDiffOp( 'FOOBARBAZ' ) ) ),
  65                         $this->getMockDiff( array( $this->getMockDiffOp( 'add', 'line' ) ) ),
  66                         $this->getMockDiff( array( $this->getMockDiffOp( 'delete', array(), array( 'line' ) ) ) ),
  67                         $this->getMockDiff( array( $this->getMockDiffOp( 'copy', array(), array( 'line' ) ) ) ),
  68                 );
  69
  70                 $otherTestCases = array();
  71                 $otherTestCases[] = array(
  72                         $this->getMockDiff( array( $this->getMockDiffOp( 'add', array(), array( 'a1' ) ) ) ),
  73                         array( array( 'action' => 'add', 'new' => 'a1', 'newline' => 1 ) ),
  74                 );
  75                 $otherTestCases[] = array(
  76                         $this->getMockDiff( array( $this->getMockDiffOp( 'add', array(), array( 'a1', 'a2' ) ) ) ),
  77                         array(
  78                                 array( 'action' => 'add', 'new' => 'a1', 'newline' => 1 ),
  79                                 array( 'action' => 'add', 'new' => 'a2', 'newline' => 2 ),
  80                         ),
  81                 );
  82                 $otherTestCases[] = array(
  83                         $this->getMockDiff( array( $this->getMockDiffOp( 'delete', array( 'd1' ) ) ) ),
  84                         array( array( 'action' => 'delete', 'old' => 'd1', 'oldline' => 1 ) ),
  85                 );
  86                 $otherTestCases[] = array(
  87                         $this->getMockDiff( array( $this->getMockDiffOp( 'delete', array( 'd1', 'd2' ) ) ) ),
  88                         array(
  89                                 array( 'action' => 'delete', 'old' => 'd1', 'oldline' => 1 ),
  90                                 array( 'action' => 'delete', 'old' => 'd2', 'oldline' => 2 ),
  91                         ),
  92                 );
  93                 $otherTestCases[] = array(
  94                         $this->getMockDiff( array( $this->getMockDiffOp( 'change', array( 'd1' ), array( 'a1' ) ) ) ),
  95                         array( array(
  96                                 'action' => 'change',
  97                                 'old' => 'd1',
  98                                 'new' => 'mockLine',
  99                                 'newline' => 1, 'oldline' => 1
 100                         ) ),
 101                 );
 102                 $otherTestCases[] = array(
 103                         $this->getMockDiff( array( $this->getMockDiffOp(
 104                                 'change',
 105                                 array( 'd1', 'd2' ),
 106                                 array( 'a1', 'a2' )
 107                         ) ) ),
 108                         array(
 109                                 array(
 110                                         'action' => 'change',
 111                                         'old' => 'd1',
 112                                         'new' => 'mockLine',
 113                                         'newline' => 1, 'oldline' => 1
 114                                 ),
 115                                 array(
 116                                         'action' => 'change',
 117                                         'old' => 'd2',
 118                                         'new' => 'mockLine',
 119                                         'newline' => 2, 'oldline' => 2
 120                                 ),
 121                         ),
 122                 );
 123
 124                 $testCases = array();
 125                 foreach ( $emptyArrayTestCases as $testCase ) {
 126                         $testCases[] = array( $testCase, array() );
 127                 }
 128                 foreach ( $otherTestCases as $testCase ) {
 129                         $testCases[] = array( $testCase[0], $testCase[1] );
 130                 }
 131                 return $testCases;
 132         }
 133
 134 }