<?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 PHPUnit\Framework\TestCase;
/**
* @covers SebastianBergmann\Diff\Parser
*
* @uses SebastianBergmann\Diff\Chunk
* @uses SebastianBergmann\Diff\Diff
* @uses SebastianBergmann\Diff\Line
*/
class ParserTest extends TestCase
{
/**
* @var Parser
*/
private $parser;
protected function setUp()
{
$this->parser = new Parser;
}
public function testParse()
{
$content = \file_get_contents(__DIR__ . '/fixtures/patch.txt');
$diffs = $this->parser->parse($content);
$this->assertInternalType('array', $diffs);
$this->assertContainsOnlyInstancesOf('SebastianBergmann\Diff\Diff', $diffs);
$this->assertCount(1, $diffs);
$chunks = $diffs[0]->getChunks();
$this->assertInternalType('array', $chunks);
$this->assertContainsOnlyInstancesOf('SebastianBergmann\Diff\Chunk', $chunks);
$this->assertCount(1, $chunks);
$this->assertEquals(20, $chunks[0]->getStart());
$this->assertCount(4, $chunks[0]->getLines());
}
public function testParseWithMultipleChunks()
{
$content = \file_get_contents(__DIR__ . '/fixtures/patch2.txt');
$diffs = $this->parser->parse($content);
$this->assertCount(1, $diffs);
$chunks = $diffs[0]->getChunks();
$this->assertCount(3, $chunks);
$this->assertEquals(20, $chunks[0]->getStart());
$this->assertEquals(320, $chunks[1]->getStart());
$this->assertEquals(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()
{
$content = <<<A
diff --git a/Test.txt b/Test.txt
index abcdefg..abcdefh 100644
--- a/Test.txt
+++ b/Test.txt
@@ -49,9 +49,8 @@
A
-B
A;
$diffs = $this->parser->parse($content);
$this->assertInternalType('array', $diffs);
$this->assertContainsOnlyInstancesOf('SebastianBergmann\Diff\Diff', $diffs);
$this->assertCount(1, $diffs);
$chunks = $diffs[0]->getChunks();
$this->assertInternalType('array', $chunks);
$this->assertContainsOnlyInstancesOf('SebastianBergmann\Diff\Chunk', $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->assertInternalType('array', $lines);
$this->assertContainsOnlyInstancesOf('SebastianBergmann\Diff\Line', $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()
{
$content = <<<A
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
A;
$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());
}
}
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