UnifiedDiffOutputBuilderTest.php
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<?php declare(strict_types=1);
/*
* 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\Output;
use PHPUnit\Framework\TestCase;
use SebastianBergmann\Diff\Differ;
/**
* @covers SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder
*
* @uses SebastianBergmann\Diff\Differ
* @uses SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder
* @uses SebastianBergmann\Diff\TimeEfficientLongestCommonSubsequenceCalculator
*/
final class UnifiedDiffOutputBuilderTest extends TestCase
{
/**
* @param string $expected
* @param string $from
* @param string $to
* @param string $header
*
* @dataProvider headerProvider
*/
public function testCustomHeaderCanBeUsed(string $expected, string $from, string $to, string $header): void
{
$differ = new Differ(new UnifiedDiffOutputBuilder($header));
$this->assertSame(
$expected,
$differ->diff($from, $to)
);
}
public function headerProvider(): array
{
return [
[
"CUSTOM HEADER\n@@ @@\n-a\n+b\n",
'a',
'b',
'CUSTOM HEADER',
],
[
"CUSTOM HEADER\n@@ @@\n-a\n+b\n",
'a',
'b',
"CUSTOM HEADER\n",
],
[
"CUSTOM HEADER\n\n@@ @@\n-a\n+b\n",
'a',
'b',
"CUSTOM HEADER\n\n",
],
[
"@@ @@\n-a\n+b\n",
'a',
'b',
'',
],
];
}
/**
* @param string $expected
* @param string $from
* @param string $to
*
* @dataProvider provideDiffWithLineNumbers
*/
public function testDiffWithLineNumbers($expected, $from, $to): void
{
$differ = new Differ(new UnifiedDiffOutputBuilder("--- Original\n+++ New\n", true));
$this->assertSame($expected, $differ->diff($from, $to));
}
public function provideDiffWithLineNumbers(): array
{
return UnifiedDiffOutputBuilderDataProvider::provideDiffWithLineNumbers();
}
}