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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 const ARRAY_FILTER_USE_KEY;
use const PREG_SPLIT_DELIM_CAPTURE;
use const PREG_SPLIT_NO_EMPTY;
use function array_filter;
use function assert;
use function file_put_contents;
use function implode;
use function is_array;
use function preg_replace;
use function preg_split;
use function realpath;
use function sprintf;
use function str_contains;
use function unlink;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\Attributes\RequiresOperatingSystem;
use PHPUnit\Framework\Attributes\UsesClass;
use PHPUnit\Framework\TestCase;
use SebastianBergmann\Diff\Differ;
use SebastianBergmann\Diff\TimeEfficientLongestCommonSubsequenceCalculator;
use SebastianBergmann\Diff\Utils\UnifiedDiffAssertTrait;
use Symfony\Component\Process\Process;
#[CoversClass(UnifiedDiffOutputBuilder::class)]
#[UsesClass(Differ::class)]
#[UsesClass(TimeEfficientLongestCommonSubsequenceCalculator::class)]
#[RequiresOperatingSystem('Linux')]
final class UnifiedDiffOutputBuilderIntegrationTest extends TestCase
{
use UnifiedDiffAssertTrait;
private string $dir;
private string $fileFrom;
private string $filePatch;
/**
* @return array{
* string?: array{
* 0: string,
* 1: string,
* 2: string,
* },
* }
*/
public static function provideDiffWithLineNumbers(): array
{
return array_filter(
UnifiedDiffOutputBuilderDataProvider::provideDiffWithLineNumbers(),
static function (string $key)
{
return !str_contains($key, 'non_patch_compat');
},
ARRAY_FILTER_USE_KEY,
);
}
protected function setUp(): void
{
$this->dir = realpath(__DIR__ . '/../../fixtures/out/') . '/';
$this->fileFrom = $this->dir . 'from.txt';
$this->filePatch = $this->dir . 'patch.txt';
$this->cleanUpTempFiles();
}
protected function tearDown(): void
{
$this->cleanUpTempFiles();
}
#[DataProvider('provideDiffWithLineNumbers')]
public function testDiffWithLineNumbersPath(string $expected, string $from, string $to): void
{
$this->doIntegrationTestPatch($expected, $from, $to);
}
#[DataProvider('provideDiffWithLineNumbers')]
public function testDiffWithLineNumbersGitApply(string $expected, string $from, string $to): void
{
$this->doIntegrationTestGitApply($expected, $from);
}
private function doIntegrationTestPatch(string $diff, string $from, string $to): void
{
$this->assertNotSame('', $diff);
$this->assertValidUnifiedDiffFormat($diff);
$diff = self::setDiffFileHeader($diff, $this->fileFrom);
$this->assertNotFalse(file_put_contents($this->fileFrom, $from));
$this->assertNotFalse(file_put_contents($this->filePatch, $diff));
$p = Process::fromShellCommandline('patch -u --verbose --posix $from < $patch'); // --posix
$p->run(
null,
[
'from' => $this->fileFrom,
'patch' => $this->filePatch,
],
);
$this->assertProcessSuccessful($p);
$this->assertStringEqualsFile(
$this->fileFrom,
$to,
sprintf('Patch command "%s".', $p->getCommandLine()),
);
}
private function doIntegrationTestGitApply(string $diff, string $from): void
{
$this->assertNotSame('', $diff);
$this->assertValidUnifiedDiffFormat($diff);
$diff = self::setDiffFileHeader($diff, $this->fileFrom);
$this->assertNotFalse(file_put_contents($this->fileFrom, $from));
$this->assertNotFalse(file_put_contents($this->filePatch, $diff));
$p = Process::fromShellCommandline('git --git-dir $dir apply --check -v --unsafe-paths --ignore-whitespace $patch');
$p->run(
null,
[
'dir' => $this->dir,
'patch' => $this->filePatch,
],
);
$this->assertProcessSuccessful($p);
}
private function assertProcessSuccessful(Process $p): void
{
$this->assertTrue(
$p->isSuccessful(),
sprintf(
"Command exec. was not successful:\n\"%s\"\nOutput:\n\"%s\"\nStdErr:\n\"%s\"\nExit code %d.\n",
$p->getCommandLine(),
$p->getOutput(),
$p->getErrorOutput(),
$p->getExitCode(),
),
);
}
private function cleanUpTempFiles(): void
{
@unlink($this->fileFrom . '.orig');
@unlink($this->fileFrom);
@unlink($this->filePatch);
}
private static function setDiffFileHeader(string $diff, string $file): string
{
$diffLines = preg_split('/(.*\R)/', $diff, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
assert(is_array($diffLines));
$diffLines[0] = preg_replace('#^\-\-\- .*#', '--- /' . $file, $diffLines[0], 1);
$diffLines[1] = preg_replace('#^\+\+\+ .*#', '+++ /' . $file, $diffLines[1], 1);
return implode('', $diffLines);
}
}
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