yaffs.net Git - yaffs-website/blob - vendor/sebastian/diff/tests/DifferTest.php

   1 <?php
   2 /*
   3  * This file is part of sebastian/diff.
   4  *
   5  * (c) Sebastian Bergmann <sebastian@phpunit.de>
   6  *
   7  * For the full copyright and license information, please view the LICENSE
   8  * file that was distributed with this source code.
   9  */
  10
  11 namespace SebastianBergmann\Diff;
  12
  13 use SebastianBergmann\Diff\LCS\MemoryEfficientImplementation;
  14 use SebastianBergmann\Diff\LCS\TimeEfficientImplementation;
  15 use PHPUnit\Framework\TestCase;
  16
  17 /**
  18  * @covers SebastianBergmann\Diff\Differ
  19  *
  20  * @uses SebastianBergmann\Diff\LCS\MemoryEfficientImplementation
  21  * @uses SebastianBergmann\Diff\LCS\TimeEfficientImplementation
  22  * @uses SebastianBergmann\Diff\Chunk
  23  * @uses SebastianBergmann\Diff\Diff
  24  * @uses SebastianBergmann\Diff\Line
  25  * @uses SebastianBergmann\Diff\Parser
  26  */
  27 class DifferTest extends TestCase
  28 {
  29     const REMOVED = 2;
  30     const ADDED   = 1;
  31     const OLD     = 0;
  32
  33     /**
  34      * @var Differ
  35      */
  36     private $differ;
  37
  38     protected function setUp()
  39     {
  40         $this->differ = new Differ;
  41     }
  42
  43     /**
  44      * @param array        $expected
  45      * @param string|array $from
  46      * @param string|array $to
  47      * @dataProvider arrayProvider
  48      */
  49     public function testArrayRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation(array $expected, $from, $to)
  50     {
  51         $this->assertEquals($expected, $this->differ->diffToArray($from, $to, new TimeEfficientImplementation));
  52     }
  53
  54     /**
  55      * @param string $expected
  56      * @param string $from
  57      * @param string $to
  58      * @dataProvider textProvider
  59      */
  60     public function testTextRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation($expected, $from, $to)
  61     {
  62         $this->assertEquals($expected, $this->differ->diff($from, $to, new TimeEfficientImplementation));
  63     }
  64
  65     /**
  66      * @param array        $expected
  67      * @param string|array $from
  68      * @param string|array $to
  69      * @dataProvider arrayProvider
  70      */
  71     public function testArrayRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation(array $expected, $from, $to)
  72     {
  73         $this->assertEquals($expected, $this->differ->diffToArray($from, $to, new MemoryEfficientImplementation));
  74     }
  75
  76     /**
  77      * @param string $expected
  78      * @param string $from
  79      * @param string $to
  80      * @dataProvider textProvider
  81      */
  82     public function testTextRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation($expected, $from, $to)
  83     {
  84         $this->assertEquals($expected, $this->differ->diff($from, $to, new MemoryEfficientImplementation));
  85     }
  86
  87     public function testCustomHeaderCanBeUsed()
  88     {
  89         $differ = new Differ('CUSTOM HEADER');
  90
  91         $this->assertEquals(
  92             "CUSTOM HEADER@@ @@\n-a\n+b\n",
  93             $differ->diff('a', 'b')
  94         );
  95     }
  96
  97     public function testTypesOtherThanArrayAndStringCanBePassed()
  98     {
  99         $this->assertEquals(
 100             "--- Original\n+++ New\n@@ @@\n-1\n+2\n",
 101             $this->differ->diff(1, 2)
 102         );
 103     }
 104
 105     /**
 106      * @param string $diff
 107      * @param Diff[] $expected
 108      * @dataProvider diffProvider
 109      */
 110     public function testParser($diff, array $expected)
 111     {
 112         $parser = new Parser;
 113         $result = $parser->parse($diff);
 114
 115         $this->assertEquals($expected, $result);
 116     }
 117
 118     public function arrayProvider()
 119     {
 120         return array(
 121             array(
 122                 array(
 123                     array('a', self::REMOVED),
 124                     array('b', self::ADDED)
 125                 ),
 126                 'a',
 127                 'b'
 128             ),
 129             array(
 130                 array(
 131                     array('ba', self::REMOVED),
 132                     array('bc', self::ADDED)
 133                 ),
 134                 'ba',
 135                 'bc'
 136             ),
 137             array(
 138                 array(
 139                     array('ab', self::REMOVED),
 140                     array('cb', self::ADDED)
 141                 ),
 142                 'ab',
 143                 'cb'
 144             ),
 145             array(
 146                 array(
 147                     array('abc', self::REMOVED),
 148                     array('adc', self::ADDED)
 149                 ),
 150                 'abc',
 151                 'adc'
 152             ),
 153             array(
 154                 array(
 155                     array('ab', self::REMOVED),
 156                     array('abc', self::ADDED)
 157                 ),
 158                 'ab',
 159                 'abc'
 160             ),
 161             array(
 162                 array(
 163                     array('bc', self::REMOVED),
 164                     array('abc', self::ADDED)
 165                 ),
 166                 'bc',
 167                 'abc'
 168             ),
 169             array(
 170                 array(
 171                     array('abc', self::REMOVED),
 172                     array('abbc', self::ADDED)
 173                 ),
 174                 'abc',
 175                 'abbc'
 176             ),
 177             array(
 178                 array(
 179                     array('abcdde', self::REMOVED),
 180                     array('abcde', self::ADDED)
 181                 ),
 182                 'abcdde',
 183                 'abcde'
 184             ),
 185             'same start' => array(
 186                 array(
 187                     array(17, self::OLD),
 188                     array('b', self::REMOVED),
 189                     array('d', self::ADDED),
 190                 ),
 191                 array(30 => 17, 'a' => 'b'),
 192                 array(30 => 17, 'c' => 'd'),
 193             ),
 194             'same end' => array(
 195                 array(
 196                     array(1, self::REMOVED),
 197                     array(2, self::ADDED),
 198                     array('b', self::OLD),
 199                 ),
 200                 array(1 => 1, 'a' => 'b'),
 201                 array(1 => 2, 'a' => 'b'),
 202             ),
 203             'same start (2), same end (1)' => array(
 204                 array(
 205                     array(17, self::OLD),
 206                     array(2, self::OLD),
 207                     array(4, self::REMOVED),
 208                     array('a', self::ADDED),
 209                     array(5, self::ADDED),
 210                     array('x', self::OLD),
 211                 ),
 212                 array(30 => 17, 1 => 2, 2 => 4, 'z' => 'x'),
 213                 array(30 => 17, 1 => 2, 3 => 'a', 2 => 5, 'z' => 'x'),
 214             ),
 215             'same' => array(
 216                 array(
 217                     array('x', self::OLD),
 218                 ),
 219                 array('z' => 'x'),
 220                 array('z' => 'x'),
 221             ),
 222             'diff' => array(
 223                 array(
 224                     array('y', self::REMOVED),
 225                     array('x', self::ADDED),
 226                 ),
 227                 array('x' => 'y'),
 228                 array('z' => 'x'),
 229             ),
 230             'diff 2' => array(
 231                 array(
 232                     array('y', self::REMOVED),
 233                     array('b', self::REMOVED),
 234                     array('x', self::ADDED),
 235                     array('d', self::ADDED),
 236                 ),
 237                 array('x' => 'y', 'a' => 'b'),
 238                 array('z' => 'x', 'c' => 'd'),
 239             ),
 240             'test line diff detection' => array(
 241                 array(
 242                     array(
 243                         '#Warning: Strings contain different line endings!',
 244                         self::OLD,
 245                     ),
 246                     array(
 247                         '<?php',
 248                         self::OLD,
 249                     ),
 250                     array(
 251                         '',
 252                         self::OLD,
 253                     ),
 254                 ),
 255                 "<?php\r\n",
 256                 "<?php\n"
 257             )
 258         );
 259     }
 260
 261     public function textProvider()
 262     {
 263         return array(
 264             array(
 265                 "--- Original\n+++ New\n@@ @@\n-a\n+b\n",
 266                 'a',
 267                 'b'
 268             ),
 269             array(
 270                 "--- Original\n+++ New\n@@ @@\n-ba\n+bc\n",
 271                 'ba',
 272                 'bc'
 273             ),
 274             array(
 275                 "--- Original\n+++ New\n@@ @@\n-ab\n+cb\n",
 276                 'ab',
 277                 'cb'
 278             ),
 279             array(
 280                 "--- Original\n+++ New\n@@ @@\n-abc\n+adc\n",
 281                 'abc',
 282                 'adc'
 283             ),
 284             array(
 285                 "--- Original\n+++ New\n@@ @@\n-ab\n+abc\n",
 286                 'ab',
 287                 'abc'
 288             ),
 289             array(
 290                 "--- Original\n+++ New\n@@ @@\n-bc\n+abc\n",
 291                 'bc',
 292                 'abc'
 293             ),
 294             array(
 295                 "--- Original\n+++ New\n@@ @@\n-abc\n+abbc\n",
 296                 'abc',
 297                 'abbc'
 298             ),
 299             array(
 300                 "--- Original\n+++ New\n@@ @@\n-abcdde\n+abcde\n",
 301                 'abcdde',
 302                 'abcde'
 303             ),
 304             array(
 305                 "--- Original\n+++ New\n@@ @@\n-A\n+A1\n B\n",
 306                 "A\nB",
 307                 "A1\nB",
 308             ),
 309             array(
 310                 <<<EOF
 311 --- Original
 312 +++ New
 313 @@ @@
 314  a
 315 -b
 316 +p
 317 @@ @@
 318  i
 319 -j
 320 +w
 321  k
 322
 323 EOF
 324             ,
 325                 "a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
 326                 "a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
 327             ),
 328             array(
 329                 <<<EOF
 330 --- Original
 331 +++ New
 332 @@ @@
 333  a
 334 -b
 335 +p
 336 @@ @@
 337  i
 338 -j
 339 +w
 340  k
 341
 342 EOF
 343                 ,
 344                 "a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
 345                 "a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
 346             ),
 347         );
 348     }
 349
 350     public function diffProvider()
 351     {
 352         $serialized_arr = <<<EOL
 353 a:1:{i:0;O:27:"SebastianBergmann\Diff\Diff":3:{s:33:"\0SebastianBergmann\Diff\Diff\0from";s:7:"old.txt";s:31:"\0SebastianBergmann\Diff\Diff\0to";s:7:"new.txt";s:35:"\0SebastianBergmann\Diff\Diff\0chunks";a:3:{i:0;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"\0SebastianBergmann\Diff\Chunk\0start";i:1;s:40:"\0SebastianBergmann\Diff\Chunk\0startRange";i:3;s:33:"\0SebastianBergmann\Diff\Chunk\0end";i:1;s:38:"\0SebastianBergmann\Diff\Chunk\0endRange";i:4;s:35:"\0SebastianBergmann\Diff\Chunk\0lines";a:4:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:1;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222111";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"1111111";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"1111111";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"1111111";}}}i:1;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"\0SebastianBergmann\Diff\Chunk\0start";i:5;s:40:"\0SebastianBergmann\Diff\Chunk\0startRange";i:10;s:33:"\0SebastianBergmann\Diff\Chunk\0end";i:6;s:38:"\0SebastianBergmann\Diff\Chunk\0endRange";i:8;s:35:"\0SebastianBergmann\Diff\Chunk\0lines";a:11:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"1111111";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"1111111";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"1111111";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:8:"+1121211";}i:4;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"1111111";}i:5;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:8:"-1111111";}i:6;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:8:"-1111111";}i:7;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:8:"-2222222";}i:8;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222222";}i:9;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222222";}i:10;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222222";}}}i:2;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"\0SebastianBergmann\Diff\Chunk\0start";i:17;s:40:"\0SebastianBergmann\Diff\Chunk\0startRange";i:5;s:33:"\0SebastianBergmann\Diff\Chunk\0end";i:16;s:38:"\0SebastianBergmann\Diff\Chunk\0endRange";i:6;s:35:"\0SebastianBergmann\Diff\Chunk\0lines";a:6:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222222";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222222";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222222";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:8:"+2122212";}i:4;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222222";}i:5;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"\0SebastianBergmann\Diff\Line\0type";i:3;s:36:"\0SebastianBergmann\Diff\Line\0content";s:7:"2222222";}}}}}}
 354 EOL;
 355
 356         return array(
 357             array(
 358                 "--- old.txt    2014-11-04 08:51:02.661868729 +0300\n+++ new.txt        2014-11-04 08:51:02.665868730 +0300\n@@ -1,3 +1,4 @@\n+2222111\n 1111111\n 1111111\n 1111111\n@@ -5,10 +6,8 @@\n 1111111\n 1111111\n 1111111\n +1121211\n 1111111\n -1111111\n -1111111\n -2222222\n 2222222\n 2222222\n 2222222\n@@ -17,5 +16,6 @@\n 2222222\n 2222222\n 2222222\n +2122212\n 2222222\n 2222222\n",
 359                 \unserialize($serialized_arr)
 360             )
 361         );
 362     }
 363
 364     /**
 365      * @param string $expected
 366      * @param string $from
 367      * @param string $to
 368      * @dataProvider textForNoNonDiffLinesProvider
 369      */
 370     public function testDiffDoNotShowNonDiffLines($expected, $from, $to)
 371     {
 372         $differ = new Differ('', false);
 373         $this->assertSame($expected, $differ->diff($from, $to));
 374     }
 375
 376     public function textForNoNonDiffLinesProvider()
 377     {
 378         return array(
 379             array(
 380                 '', 'a', 'a'
 381             ),
 382             array(
 383                 "-A\n+C\n",
 384                 "A\n\n\nB",
 385                 "C\n\n\nB",
 386             ),
 387         );
 388     }
 389
 390     /**
 391      * @requires PHPUnit 5.7
 392      */
 393     public function testDiffToArrayInvalidFromType()
 394     {
 395         $differ = new Differ;
 396
 397         $this->expectException('\InvalidArgumentException');
 398         $this->expectExceptionMessageRegExp('#^"from" must be an array or string\.$#');
 399
 400         $differ->diffToArray(null, '');
 401     }
 402
 403     /**
 404      * @requires PHPUnit 5.7
 405      */
 406     public function testDiffInvalidToType()
 407     {
 408         $differ = new Differ;
 409
 410         $this->expectException('\InvalidArgumentException');
 411         $this->expectExceptionMessageRegExp('#^"to" must be an array or string\.$#');
 412
 413         $differ->diffToArray('', new \stdClass);
 414     }
 415 }