|
|
<?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:" |