gnu-social/vendor/sebastian/diff/tests/ParserTest.php

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2020-08-07 23:42:38 +01:00
<?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;
use PHPUnit\Framework\TestCase;
use SebastianBergmann\Diff\Utils\FileUtils;
/**
* @covers SebastianBergmann\Diff\Parser
*
* @uses SebastianBergmann\Diff\Chunk
* @uses SebastianBergmann\Diff\Diff
* @uses SebastianBergmann\Diff\Line
*/
final class ParserTest extends TestCase
{
/**
* @var Parser
*/
private $parser;
protected function setUp(): void
{
$this->parser = new Parser;
}
public function testParse(): void
{
$content = FileUtils::getFileContent(__DIR__ . '/fixtures/patch.txt');
$diffs = $this->parser->parse($content);
$this->assertContainsOnlyInstancesOf(Diff::class, $diffs);
$this->assertCount(1, $diffs);
$chunks = $diffs[0]->getChunks();
$this->assertContainsOnlyInstancesOf(Chunk::class, $chunks);
$this->assertCount(1, $chunks);
$this->assertSame(20, $chunks[0]->getStart());
$this->assertCount(4, $chunks[0]->getLines());
}
public function testParseWithMultipleChunks(): void
{
$content = FileUtils::getFileContent(__DIR__ . '/fixtures/patch2.txt');
$diffs = $this->parser->parse($content);
$this->assertCount(1, $diffs);
$chunks = $diffs[0]->getChunks();
$this->assertCount(3, $chunks);
$this->assertSame(20, $chunks[0]->getStart());
$this->assertSame(320, $chunks[1]->getStart());
$this->assertSame(600, $chunks[2]->getStart());
$this->assertCount(5, $chunks[0]->getLines());
$this->assertCount(5, $chunks[1]->getLines());
$this->assertCount(4, $chunks[2]->getLines());
}
public function testParseWithRemovedLines(): void
{
$content = <<<END
diff --git a/Test.txt b/Test.txt
index abcdefg..abcdefh 100644
--- a/Test.txt
+++ b/Test.txt
@@ -49,9 +49,8 @@
A
-B
END;
$diffs = $this->parser->parse($content);
$this->assertContainsOnlyInstancesOf(Diff::class, $diffs);
$this->assertCount(1, $diffs);
$chunks = $diffs[0]->getChunks();
$this->assertContainsOnlyInstancesOf(Chunk::class, $chunks);
$this->assertCount(1, $chunks);
$chunk = $chunks[0];
$this->assertSame(49, $chunk->getStart());
$this->assertSame(49, $chunk->getEnd());
$this->assertSame(9, $chunk->getStartRange());
$this->assertSame(8, $chunk->getEndRange());
$lines = $chunk->getLines();
$this->assertContainsOnlyInstancesOf(Line::class, $lines);
$this->assertCount(2, $lines);
/** @var Line $line */
$line = $lines[0];
$this->assertSame('A', $line->getContent());
$this->assertSame(Line::UNCHANGED, $line->getType());
$line = $lines[1];
$this->assertSame('B', $line->getContent());
$this->assertSame(Line::REMOVED, $line->getType());
}
public function testParseDiffForMulitpleFiles(): void
{
$content = <<<END
diff --git a/Test.txt b/Test.txt
index abcdefg..abcdefh 100644
--- a/Test.txt
+++ b/Test.txt
@@ -1,3 +1,2 @@
A
-B
diff --git a/Test123.txt b/Test123.txt
index abcdefg..abcdefh 100644
--- a/Test2.txt
+++ b/Test2.txt
@@ -1,2 +1,3 @@
A
+B
END;
$diffs = $this->parser->parse($content);
$this->assertCount(2, $diffs);
/** @var Diff $diff */
$diff = $diffs[0];
$this->assertSame('a/Test.txt', $diff->getFrom());
$this->assertSame('b/Test.txt', $diff->getTo());
$this->assertCount(1, $diff->getChunks());
$diff = $diffs[1];
$this->assertSame('a/Test2.txt', $diff->getFrom());
$this->assertSame('b/Test2.txt', $diff->getTo());
$this->assertCount(1, $diff->getChunks());
}
/**
* @param string $diff
* @param Diff[] $expected
*
* @dataProvider diffProvider
*/
public function testParser(string $diff, array $expected): void
{
$result = $this->parser->parse($diff);
$this->assertEquals($expected, $result);
}
public function diffProvider(): array
{
return [
[
"--- 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(FileUtils::getFileContent(__DIR__ . '/fixtures/serialized_diff.bin')),
],
];
}
}