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BBnepal-Accounts/hostel/vendor/sebastian/diff/tests/DifferTest.php
Sampanna Rimal 9cd05ef3cb commitall
2024-07-10 18:28:19 +05:45

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<?php
/*
* This file is part of sebastian/diff.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Diff;
use SebastianBergmann\Diff\LCS\MemoryEfficientImplementation;
use SebastianBergmann\Diff\LCS\TimeEfficientImplementation;
use PHPUnit\Framework\TestCase;
/**
* @covers SebastianBergmann\Diff\Differ
*
* @uses SebastianBergmann\Diff\LCS\MemoryEfficientImplementation
* @uses SebastianBergmann\Diff\LCS\TimeEfficientImplementation
* @uses SebastianBergmann\Diff\Chunk
* @uses SebastianBergmann\Diff\Diff
* @uses SebastianBergmann\Diff\Line
* @uses SebastianBergmann\Diff\Parser
*/
class DifferTest extends TestCase
{
const REMOVED = 2;
const ADDED = 1;
const OLD = 0;
/**
* @var Differ
*/
private $differ;
protected function setUp()
{
$this->differ = new Differ;
}
/**
* @param array $expected
* @param string|array $from
* @param string|array $to
* @dataProvider arrayProvider
*/
public function testArrayRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation(array $expected, $from, $to)
{
$this->assertEquals($expected, $this->differ->diffToArray($from, $to, new TimeEfficientImplementation));
}
/**
* @param string $expected
* @param string $from
* @param string $to
* @dataProvider textProvider
*/
public function testTextRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation($expected, $from, $to)
{
$this->assertEquals($expected, $this->differ->diff($from, $to, new TimeEfficientImplementation));
}
/**
* @param array $expected
* @param string|array $from
* @param string|array $to
* @dataProvider arrayProvider
*/
public function testArrayRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation(array $expected, $from, $to)
{
$this->assertEquals($expected, $this->differ->diffToArray($from, $to, new MemoryEfficientImplementation));
}
/**
* @param string $expected
* @param string $from
* @param string $to
* @dataProvider textProvider
*/
public function testTextRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation($expected, $from, $to)
{
$this->assertEquals($expected, $this->differ->diff($from, $to, new MemoryEfficientImplementation));
}
public function testCustomHeaderCanBeUsed()
{
$differ = new Differ('CUSTOM HEADER');
$this->assertEquals(
"CUSTOM HEADER@@ @@\n-a\n+b\n",
$differ->diff('a', 'b')
);
}
public function testTypesOtherThanArrayAndStringCanBePassed()
{
$this->assertEquals(
"--- Original\n+++ New\n@@ @@\n-1\n+2\n",
$this->differ->diff(1, 2)
);
}
/**
* @param string $diff
* @param Diff[] $expected
* @dataProvider diffProvider
*/
public function testParser($diff, array $expected)
{
$parser = new Parser;
$result = $parser->parse($diff);
$this->assertEquals($expected, $result);
}
public function arrayProvider()
{
return array(
array(
array(
array('a', self::REMOVED),
array('b', self::ADDED)
),
'a',
'b'
),
array(
array(
array('ba', self::REMOVED),
array('bc', self::ADDED)
),
'ba',
'bc'
),
array(
array(
array('ab', self::REMOVED),
array('cb', self::ADDED)
),
'ab',
'cb'
),
array(
array(
array('abc', self::REMOVED),
array('adc', self::ADDED)
),
'abc',
'adc'
),
array(
array(
array('ab', self::REMOVED),
array('abc', self::ADDED)
),
'ab',
'abc'
),
array(
array(
array('bc', self::REMOVED),
array('abc', self::ADDED)
),
'bc',
'abc'
),
array(
array(
array('abc', self::REMOVED),
array('abbc', self::ADDED)
),
'abc',
'abbc'
),
array(
array(
array('abcdde', self::REMOVED),
array('abcde', self::ADDED)
),
'abcdde',
'abcde'
),
'same start' => array(
array(
array(17, self::OLD),
array('b', self::REMOVED),
array('d', self::ADDED),
),
array(30 => 17, 'a' => 'b'),
array(30 => 17, 'c' => 'd'),
),
'same end' => array(
array(
array(1, self::REMOVED),
array(2, self::ADDED),
array('b', self::OLD),
),
array(1 => 1, 'a' => 'b'),
array(1 => 2, 'a' => 'b'),
),
'same start (2), same end (1)' => array(
array(
array(17, self::OLD),
array(2, self::OLD),
array(4, self::REMOVED),
array('a', self::ADDED),
array(5, self::ADDED),
array('x', self::OLD),
),
array(30 => 17, 1 => 2, 2 => 4, 'z' => 'x'),
array(30 => 17, 1 => 2, 3 => 'a', 2 => 5, 'z' => 'x'),
),
'same' => array(
array(
array('x', self::OLD),
),
array('z' => 'x'),
array('z' => 'x'),
),
'diff' => array(
array(
array('y', self::REMOVED),
array('x', self::ADDED),
),
array('x' => 'y'),
array('z' => 'x'),
),
'diff 2' => array(
array(
array('y', self::REMOVED),
array('b', self::REMOVED),
array('x', self::ADDED),
array('d', self::ADDED),
),
array('x' => 'y', 'a' => 'b'),
array('z' => 'x', 'c' => 'd'),
),
'test line diff detection' => array(
array(
array(
'#Warning: Strings contain different line endings!',
self::OLD,
),
array(
'<?php',
self::OLD,
),
array(
'',
self::OLD,
),
),
"<?php\r\n",
"<?php\n"
)
);
}
public function textProvider()
{
return array(
array(
"--- Original\n+++ New\n@@ @@\n-a\n+b\n",
'a',
'b'
),
array(
"--- Original\n+++ New\n@@ @@\n-ba\n+bc\n",
'ba',
'bc'
),
array(
"--- Original\n+++ New\n@@ @@\n-ab\n+cb\n",
'ab',
'cb'
),
array(
"--- Original\n+++ New\n@@ @@\n-abc\n+adc\n",
'abc',
'adc'
),
array(
"--- Original\n+++ New\n@@ @@\n-ab\n+abc\n",
'ab',
'abc'
),
array(
"--- Original\n+++ New\n@@ @@\n-bc\n+abc\n",
'bc',
'abc'
),
array(
"--- Original\n+++ New\n@@ @@\n-abc\n+abbc\n",
'abc',
'abbc'
),
array(
"--- Original\n+++ New\n@@ @@\n-abcdde\n+abcde\n",
'abcdde',
'abcde'
),
array(
"--- Original\n+++ New\n@@ @@\n-A\n+A1\n B\n",
"A\nB",
"A1\nB",
),
array(
<<<EOF
--- Original
+++ New
@@ @@
a
-b
+p
@@ @@
i
-j
+w
k
EOF
,
"a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
"a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
),
array(
<<<EOF
--- Original
+++ New
@@ @@
a
-b
+p
@@ @@
i
-j
+w
k
EOF
,
"a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
"a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
),
);
}
public function diffProvider()
{
$serialized_arr = <<<EOL
a:1:{i:0;O:27:"SebastianBergmann\Diff\Diff":3:{s:33:"SebastianBergmann\Diff\Difffrom";s:7:"old.txt";s:31:"SebastianBergmann\Diff\Diffto";s:7:"new.txt";s:35:"SebastianBergmann\Diff\Diffchunks";a:3:{i:0;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"SebastianBergmann\Diff\Chunkstart";i:1;s:40:"SebastianBergmann\Diff\ChunkstartRange";i:3;s:33:"SebastianBergmann\Diff\Chunkend";i:1;s:38:"SebastianBergmann\Diff\ChunkendRange";i:4;s:35:"SebastianBergmann\Diff\Chunklines";a:4:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:1;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222111";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"1111111";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"1111111";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"1111111";}}}i:1;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"SebastianBergmann\Diff\Chunkstart";i:5;s:40:"SebastianBergmann\Diff\ChunkstartRange";i:10;s:33:"SebastianBergmann\Diff\Chunkend";i:6;s:38:"SebastianBergmann\Diff\ChunkendRange";i:8;s:35:"SebastianBergmann\Diff\Chunklines";a:11:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"1111111";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"1111111";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"1111111";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:8:"+1121211";}i:4;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"1111111";}i:5;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:8:"-1111111";}i:6;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:8:"-1111111";}i:7;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:8:"-2222222";}i:8;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222222";}i:9;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222222";}i:10;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222222";}}}i:2;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"SebastianBergmann\Diff\Chunkstart";i:17;s:40:"SebastianBergmann\Diff\ChunkstartRange";i:5;s:33:"SebastianBergmann\Diff\Chunkend";i:16;s:38:"SebastianBergmann\Diff\ChunkendRange";i:6;s:35:"SebastianBergmann\Diff\Chunklines";a:6:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222222";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222222";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222222";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:8:"+2122212";}i:4;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222222";}i:5;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"SebastianBergmann\Diff\Linetype";i:3;s:36:"SebastianBergmann\Diff\Linecontent";s:7:"2222222";}}}}}}
EOL;
return array(
array(
"--- 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",
\unserialize($serialized_arr)
)
);
}
/**
* @param string $expected
* @param string $from
* @param string $to
* @dataProvider textForNoNonDiffLinesProvider
*/
public function testDiffDoNotShowNonDiffLines($expected, $from, $to)
{
$differ = new Differ('', false);
$this->assertSame($expected, $differ->diff($from, $to));
}
public function textForNoNonDiffLinesProvider()
{
return array(
array(
'', 'a', 'a'
),
array(
"-A\n+C\n",
"A\n\n\nB",
"C\n\n\nB",
),
);
}
/**
* @requires PHPUnit 5.7
*/
public function testDiffToArrayInvalidFromType()
{
$differ = new Differ;
$this->expectException('\InvalidArgumentException');
$this->expectExceptionMessageRegExp('#^"from" must be an array or string\.$#');
$differ->diffToArray(null, '');
}
/**
* @requires PHPUnit 5.7
*/
public function testDiffInvalidToType()
{
$differ = new Differ;
$this->expectException('\InvalidArgumentException');
$this->expectExceptionMessageRegExp('#^"to" must be an array or string\.$#');
$differ->diffToArray('', new \stdClass);
}
}
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