130 lines
4.0 KiB
PHP
130 lines
4.0 KiB
PHP
<?php declare(strict_types=1);
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/*
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* This file is part of sebastian/diff.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace SebastianBergmann\Diff\Utils;
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use PHPUnit\Framework\TestCase;
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use Symfony\Component\Process\Process;
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/**
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* @requires OS Linux
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*
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* @coversNothing
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*/
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final class UnifiedDiffAssertTraitIntegrationTest extends TestCase
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{
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use UnifiedDiffAssertTrait;
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private $filePatch;
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protected function setUp(): void
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{
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$this->filePatch = __DIR__ . '/../fixtures/out/patch.txt';
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$this->cleanUpTempFiles();
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}
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protected function tearDown(): void
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{
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$this->cleanUpTempFiles();
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}
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/**
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* @param string $fileFrom
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* @param string $fileTo
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*
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* @dataProvider provideFilePairsCases
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*/
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public function testValidPatches(string $fileFrom, string $fileTo): void
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{
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$command = \sprintf(
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'diff -u %s %s > %s',
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\escapeshellarg(\realpath($fileFrom)),
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\escapeshellarg(\realpath($fileTo)),
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\escapeshellarg($this->filePatch)
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);
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$p = new Process($command);
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$p->run();
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$exitCode = $p->getExitCode();
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if (0 === $exitCode) {
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// odd case when two files have the same content. Test after executing as it is more efficient than to read the files and check the contents every time.
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$this->addToAssertionCount(1);
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return;
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}
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$this->assertSame(
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1, // means `diff` found a diff between the files we gave it
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$exitCode,
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\sprintf(
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"Command exec. was not successful:\n\"%s\"\nOutput:\n\"%s\"\nStdErr:\n\"%s\"\nExit code %d.\n",
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$command,
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$p->getOutput(),
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$p->getErrorOutput(),
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$p->getExitCode()
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)
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);
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$this->assertValidUnifiedDiffFormat(FileUtils::getFileContent($this->filePatch));
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}
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/**
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* @return array<string, array<string, string>>
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*/
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public function provideFilePairsCases(): array
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{
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$cases = [];
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// created cases based on dedicated fixtures
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$dir = \realpath(__DIR__ . '/../fixtures/UnifiedDiffAssertTraitIntegrationTest');
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$dirLength = \strlen($dir);
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for ($i = 1;; ++$i) {
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$fromFile = \sprintf('%s/%d_a.txt', $dir, $i);
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$toFile = \sprintf('%s/%d_b.txt', $dir, $i);
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if (!\file_exists($fromFile)) {
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break;
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}
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$this->assertFileExists($toFile);
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$cases[\sprintf("Diff file:\n\"%s\"\nvs.\n\"%s\"\n", \substr(\realpath($fromFile), $dirLength), \substr(\realpath($toFile), $dirLength))] = [$fromFile, $toFile];
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}
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// create cases based on PHP files within the vendor directory for integration testing
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$dir = \realpath(__DIR__ . '/../../vendor');
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$dirLength = \strlen($dir);
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$fileIterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir, \RecursiveDirectoryIterator::SKIP_DOTS));
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$fromFile = __FILE__;
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/** @var \SplFileInfo $file */
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foreach ($fileIterator as $file) {
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if ('php' !== $file->getExtension()) {
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continue;
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}
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$toFile = $file->getPathname();
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$cases[\sprintf("Diff file:\n\"%s\"\nvs.\n\"%s\"\n", \substr(\realpath($fromFile), $dirLength), \substr(\realpath($toFile), $dirLength))] = [$fromFile, $toFile];
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$fromFile = $toFile;
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}
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return $cases;
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}
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private function cleanUpTempFiles(): void
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{
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@\unlink($this->filePatch);
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}
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}
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