<?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\Output\AbstractChunkOutputBuilder;
use SebastianBergmann\Diff\Output\DiffOnlyOutputBuilder;
use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder;
/**
* @covers SebastianBergmann\Diff\Differ
* @covers SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder
* @covers SebastianBergmann\Diff\Output\DiffOnlyOutputBuilder
* @covers SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder
*
* @uses SebastianBergmann\Diff\MemoryEfficientLongestCommonSubsequenceCalculator
* @uses SebastianBergmann\Diff\TimeEfficientLongestCommonSubsequenceCalculator
* @uses SebastianBergmann\Diff\Chunk
* @uses SebastianBergmann\Diff\Diff
* @uses SebastianBergmann\Diff\Line
* @uses SebastianBergmann\Diff\Parser
*/
final class DifferTest extends TestCase
{
const WARNING = 3;
const REMOVED = 2;
const ADDED = 1;
const OLD = 0;
/**
* @var Differ
*/
private $differ;
protected function setUp()
{
$this->differ = new Differ;
}
/**
* @param array $expected
* @param string|array $from
* @param string|array $to
* @dataProvider arrayProvider
*/
public function testArrayRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation(array $expected, $from, $to)
{
$this->assertSame($expected, $this->differ->diffToArray($from, $to, new TimeEfficientLongestCommonSubsequenceCalculator));
}
/**
* @param string $expected
* @param string $from
* @param string $to
* @dataProvider textProvider
*/
public function testTextRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation(string $expected, string $from, string $to)
{
$this->assertSame($expected, $this->differ->diff($from, $to, new TimeEfficientLongestCommonSubsequenceCalculator));
}
/**
* @param array $expected
* @param string|array $from
* @param string|array $to
* @dataProvider arrayProvider
*/
public function testArrayRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation(array $expected, $from, $to)
{
$this->assertSame($expected, $this->differ->diffToArray($from, $to, new MemoryEfficientLongestCommonSubsequenceCalculator));
}
/**
* @param string $expected
* @param string $from
* @param string $to
* @dataProvider textProvider
*/
public function testTextRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation(string $expected, string $from, string $to)
{
$this->assertSame($expected, $this->differ->diff($from, $to, new MemoryEfficientLongestCommonSubsequenceCalculator));
}
/**
* @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)
{
$differ = new Differ(new UnifiedDiffOutputBuilder($header));
$this->assertSame(
$expected,
$differ->diff($from, $to)
);
}
public function headerProvider()
{
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',
''
],
];
}
public function testTypesOtherThanArrayAndStringCanBePassed()
{
$this->assertSame(
"--- Original\n+++ New\n@@ @@\n-1\n+2\n",
$this->differ->diff(1, 2)
);
}
/**
* @param string $diff
* @param Diff[] $expected
* @dataProvider diffProvider
*/
public function testParser(string $diff, array $expected)
{
$parser = new Parser;
$result = $parser->parse($diff);
$this->assertEquals($expected, $result);
}
public function arrayProvider(): array
{
return [
[
[
['a', self::REMOVED],
['b', self::ADDED]
],
'a',
'b'
],
[
[
['ba', self::REMOVED],
['bc', self::ADDED]
],
'ba',
'bc'
],
[
[
['ab', self::REMOVED],
['cb', self::ADDED]
],
'ab',
'cb'
],
[
[
['abc', self::REMOVED],
['adc', self::ADDED]
],
'abc',
'adc'
],
[
[
['ab', self::REMOVED],
['abc', self::ADDED]
],
'ab',
'abc'
],
[
[
['bc', self::REMOVED],
['abc', self::ADDED]
],
'bc',
'abc'
],
[
[
['abc', self::REMOVED],
['abbc', self::ADDED]
],
'abc',
'abbc'
],
[
[
['abcdde', self::REMOVED],
['abcde', self::ADDED]
],
'abcdde',
'abcde'
],
'same start' => [
[
[17, self::OLD],
['b', self::REMOVED],
['d', self::ADDED],
],
[30 => 17, 'a' => 'b'],
[30 => 17, 'c' => 'd'],
],
'same end' => [
[
[1, self::REMOVED],
[2, self::ADDED],
['b', self::OLD],
],
[1 => 1, 'a' => 'b'],
[1 => 2, 'a' => 'b'],
],
'same start (2), same end (1)' => [
[
[17, self::OLD],
[2, self::OLD],
[4, self::REMOVED],
['a', self::ADDED],
[5, self::ADDED],
['x', self::OLD],
],
[30 => 17, 1 => 2, 2 => 4, 'z' => 'x'],
[30 => 17, 1 => 2, 3 => 'a', 2 => 5, 'z' => 'x'],
],
'same' => [
[
['x', self::OLD],
],
['z' => 'x'],
['z' => 'x'],
],
'diff' => [
[
['y', self::REMOVED],
['x', self::ADDED],
],
['x' => 'y'],
['z' => 'x'],
],
'diff 2' => [
[
['y', self::REMOVED],
['b', self::REMOVED],
['x', self::ADDED],
['d', self::ADDED],
],
['x' => 'y', 'a' => 'b'],
['z' => 'x', 'c' => 'd'],
],
'test line diff detection' => [
[
[
"#Warning: Strings contain different line endings!\n",
self::WARNING,
],
[
"<?php\r\n",
self::REMOVED,
],
[
"<?php\n",
self::ADDED,
],
],
"<?php\r\n",
"<?php\n",
],
'test line diff detection in array input' => [
[
[
"#Warning: Strings contain different line endings!\n",
self::WARNING,
],
[
"<?php\r\n",
self::REMOVED,
],
[
"<?php\n",
self::ADDED,
],
],
["<?php\r\n"],
["<?php\n"],
],
];
}
public function textProvider(): array
{
return [
[
"--- Original\n+++ New\n@@ @@\n-a\n+b\n",
'a',
'b'
],
[
"--- Original\n+++ New\n@@ @@\n-ba\n+bc\n",
'ba',
'bc'
],
[
"--- Original\n+++ New\n@@ @@\n-ab\n+cb\n",
'ab',
'cb'
],
[
"--- Original\n+++ New\n@@ @@\n-abc\n+adc\n",
'abc',
'adc'
],
[
"--- Original\n+++ New\n@@ @@\n-ab\n+abc\n",
'ab',
'abc'
],
[
"--- Original\n+++ New\n@@ @@\n-bc\n+abc\n",
'bc',
'abc'
],
[
"--- Original\n+++ New\n@@ @@\n-abc\n+abbc\n",
'abc',
'abbc'
],
[
"--- Original\n+++ New\n@@ @@\n-abcdde\n+abcde\n",
'abcdde',
'abcde'
],
[
"--- Original\n+++ New\n@@ @@\n-A\n+A1\n",
"A\nB",
"A1\nB",
],
[
<<<EOF
--- Original
+++ New
@@ @@
a
-b
+p
@@ @@
-j
+w
EOF
,
"a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
"a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
],
[
<<<EOF
--- Original
+++ New
@@ @@
-A
+B
EOF
,
"A\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1",
"B\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1",
],
[
"--- Original\n+++ New\n@@ @@\n #Warning: Strings contain different line endings!\n-<?php\r\n+<?php\n",
"<?php\r\nA\n",
"<?php\nA\n",
],
[
"--- Original\n+++ New\n@@ @@\n #Warning: Strings contain different line endings!\n-a\r\n+\n+c\r",
"a\r\n",
"\nc\r",
],
];
}
public function diffProvider(): array
{
$serialized_arr = <<<EOL
a:1:{i:0;O:27:"SebastianBergmann\Diff\Diff":3:{s:33:"�SebastianBergmann\Diff\Diff�from";s:7:"old.txt";s:31:"�SebastianBergmann\Diff\Diff�to";s:7:"new.txt";s:35:"�SebastianBergmann\Diff\Diff�chunks";a:3:{i:0;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"�SebastianBergmann\Diff\Chunk�start";i:1;s:40:"�SebastianBergmann\Diff\Chunk�startRange";i:3;s:33:"�SebastianBergmann\Diff\Chunk�end";i:1;s:38:"�SebastianBergmann\Diff\Chunk�endRange";i:4;s:35:"�SebastianBergmann\Diff\Chunk�lines";a:4:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:1;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222111";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"1111111";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"1111111";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"1111111";}}}i:1;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"�SebastianBergmann\Diff\Chunk�start";i:5;s:40:"�SebastianBergmann\Diff\Chunk�startRange";i:10;s:33:"�SebastianBergmann\Diff\Chunk�end";i:6;s:38:"�SebastianBergmann\Diff\Chunk�endRange";i:8;s:35:"�SebastianBergmann\Diff\Chunk�lines";a:11:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"1111111";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"1111111";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"1111111";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:8:"+1121211";}i:4;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"1111111";}i:5;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:8:"-1111111";}i:6;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:8:"-1111111";}i:7;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:8:"-2222222";}i:8;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222222";}i:9;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222222";}i:10;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222222";}}}i:2;O:28:"SebastianBergmann\Diff\Chunk":5:{s:35:"�SebastianBergmann\Diff\Chunk�start";i:17;s:40:"�SebastianBergmann\Diff\Chunk�startRange";i:5;s:33:"�SebastianBergmann\Diff\Chunk�end";i:16;s:38:"�SebastianBergmann\Diff\Chunk�endRange";i:6;s:35:"�SebastianBergmann\Diff\Chunk�lines";a:6:{i:0;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222222";}i:1;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222222";}i:2;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222222";}i:3;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:8:"+2122212";}i:4;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222222";}i:5;O:27:"SebastianBergmann\Diff\Line":2:{s:33:"�SebastianBergmann\Diff\Line�type";i:3;s:36:"�SebastianBergmann\Diff\Line�content";s:7:"2222222";}}}}}}
EOL;
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($serialized_arr)
]
];
}
/**
* @param string $expected
* @param string $from
* @param string $to
* @param string $header
* @dataProvider textForNoNonDiffLinesProvider
*/
public function testDiffDoNotShowNonDiffLines(string $expected, string $from, string $to, string $header = '')
{
$differ = new Differ(new DiffOnlyOutputBuilder($header));
$this->assertSame($expected, $differ->diff($from, $to));
}
public function textForNoNonDiffLinesProvider(): array
{
return [
[
" #Warning: Strings contain different line endings!\n-A\r\n+B\n",
"A\r\n",
"B\n",
],
[
"-A\n+B\n",
"\nA",
"\nB"
],
[
'',
'a',
'a'
],
[
"-A\n+C\n",
"A\n\n\nB",
"C\n\n\nB",
],
[
"header\n",
'a',
'a',
'header'
],
[
"header\n",
'a',
'a',
"header\n"
],
];
}
public function testDiffToArrayInvalidFromType()
{
$this->expectException('\InvalidArgumentException');
$this->expectExceptionMessageRegExp('#^"from" must be an array or string\.$#');
$this->differ->diffToArray(null, '');
}
public function testDiffInvalidToType()
{
$this->expectException('\InvalidArgumentException');
$this->expectExceptionMessageRegExp('#^"to" must be an array or string\.$#');
$this->differ->diffToArray('', new \stdClass);
}
/**
* @param array $expected
* @param string $from
* @param string $to
* @param int $lineThreshold
* @dataProvider provideGetCommonChunks
*/
public function testGetCommonChunks(array $expected, string $from, string $to, int $lineThreshold = 5)
{
$output = new class extends AbstractChunkOutputBuilder {
public function getDiff(array $diff): string
{
return '';
}
public function getChunks(array $diff, $lineThreshold)
{
return $this->getCommonChunks($diff, $lineThreshold);
}
};
$this->assertSame(
$expected,
$output->getChunks($this->differ->diffToArray($from, $to), $lineThreshold)
);
}
public function provideGetCommonChunks(): array
{
return[
'same (with default threshold)' => [
[],
'A',
'A',
],
'same (threshold 0)' => [
[0 => 0],
'A',
'A',
0,
],
'empty' => [
[],
'',
'',
],
'single line diff' => [
[],
'A',
'B',
],
'below threshold I' => [
[],
"A\nX\nC",
"A\nB\nC",
],
'below threshold II' => [
[],
"A\n\n\n\nX\nC",
"A\n\n\n\nB\nC",
],
'below threshold III' => [
[0 => 5],
"A\n\n\n\n\n\nB",
"A\n\n\n\n\n\nA",
],
'same start' => [
[0 => 5],
"A\n\n\n\n\n\nX\nC",
"A\n\n\n\n\n\nB\nC",
],
'same start long' => [
[0 => 13],
"\n\n\n\n\n\n\n\n\n\n\n\n\n\nA",
"\n\n\n\n\n\n\n\n\n\n\n\n\n\nB",
],
'same part in between' => [
[2 => 8],
"A\n\n\n\n\n\n\nX\nY\nZ\n\n",
"B\n\n\n\n\n\n\nX\nA\nZ\n\n",
],
'same trailing' => [
[2 => 14],
"A\n\n\n\n\n\n\n\n\n\n\n\n\n\n",
"B\n\n\n\n\n\n\n\n\n\n\n\n\n\n",
],
'same part in between, same trailing' => [
[2 => 7, 10 => 15],
"A\n\n\n\n\n\n\nA\n\n\n\n\n\n\n",
"B\n\n\n\n\n\n\nB\n\n\n\n\n\n\n",
],
'below custom threshold I' => [
[],
"A\n\nB",
"A\n\nD",
2
],
'custom threshold I' => [
[0 => 1],
"A\n\nB",
"A\n\nD",
1
],
'custom threshold II' => [
[],
"A\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",
"A\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",
19
],
[
[3 => 9],
"a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
"a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
],
[
[0 => 5, 8 => 13],
"A\nA\nA\nA\nA\nA\nX\nC\nC\nC\nC\nC\nC",
"A\nA\nA\nA\nA\nA\nB\nC\nC\nC\nC\nC\nC",
],
[
[0 => 5, 8 => 13],
"A\nA\nA\nA\nA\nA\nX\nC\nC\nC\nC\nC\nC\nX",
"A\nA\nA\nA\nA\nA\nB\nC\nC\nC\nC\nC\nC\nY",
],
];
}
/**
* @param array $expected
* @param string $input
* @dataProvider provideSplitStringByLinesCases
*/
public function testSplitStringByLines(array $expected, string $input)
{
$reflection = new \ReflectionObject($this->differ);
$method = $reflection->getMethod('splitStringByLines');
$method->setAccessible(true);
$this->assertSame($expected, $method->invoke($this->differ, $input));
}
public function provideSplitStringByLinesCases(): array
{
return [
[
[],
''
],
[
['a'],
'a'
],
[
["a\n"],
"a\n"
],
[
["a\r"],
"a\r"
],
[
["a\r\n"],
"a\r\n"
],
[
["\n"],
"\n"
],
[
["\r"],
"\r"
],
[
["\r\n"],
"\r\n"
],
[
[
"A\n",
"B\n",
"\n",
"C\n"
],
"A\nB\n\nC\n",
],
[
[
"A\r\n",
"B\n",
"\n",
"C\r"
],
"A\r\nB\n\nC\r",
],
[
[
"\n",
"A\r\n",
"B\n",
"\n",
'C'
],
"\nA\r\nB\n\nC",
],
];
}
/**
* @param string $expected
* @param string $from
* @param string $to
* @dataProvider provideDiffWithLineNumbers
*/
public function testDiffWithLineNumbers($expected, $from, $to)
{
$differ = new Differ(new UnifiedDiffOutputBuilder("--- Original\n+++ New\n", true));
$this->assertSame($expected, $differ->diff($from, $to));
}
public function provideDiffWithLineNumbers(): array
{
return [
'diff line 1 non_patch_compat' => [
'--- Original
+++ New
@@ -1 +1 @@
-AA
+BA
',
'AA',
'BA',
],
'diff line +1 non_patch_compat' => [
'--- Original
+++ New
@@ -1 +1,2 @@
-AZ
+
+B
',
'AZ',
"\nB",
],
'diff line -1 non_patch_compat' => [
'--- Original
+++ New
@@ -1,2 +1 @@
-
-AF
+B
',
"\nAF",
'B',
],
'II non_patch_compat' => [
'--- Original
+++ New
@@ -1,2 +1 @@
-
-
'
,
"\n\nA\n1",
"A\n1",
],
'diff last line II - no trailing linebreak non_patch_compat' => [
'--- Original
+++ New
@@ -8 +8 @@
-E
+B
',
"A\n\n\n\n\n\n\nE",
"A\n\n\n\n\n\n\nB",
],
[
"--- Original\n+++ New\n@@ -1,2 +1 @@\n \n-\n",
"\n\n",
"\n",
],
'diff line endings non_patch_compat' => [
"--- Original\n+++ New\n@@ -1 +1 @@\n #Warning: Strings contain different line endings!\n-<?php\r\n+<?php\n",
"<?php\r\n",
"<?php\n",
],
'same non_patch_compat' => [
'--- Original
+++ New
',
"AT\n",
"AT\n",
],
[
'--- Original
+++ New
@@ -1 +1 @@
-b
+a
',
"b\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",
"a\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
],
'diff line @1' => [
'--- Original
+++ New
@@ -1,2 +1,2 @@
' . '
-AG
+B
',
"\nAG\n",
"\nB\n",
],
'same multiple lines' => [
'--- Original
+++ New
@@ -1,3 +1,3 @@
' . '
' . '
-V
+B
'
,
"\n\nV\nC213",
"\n\nB\nC213",
],
'diff last line I' => [
'--- Original
+++ New
@@ -8 +8 @@
-E
+B
',
"A\n\n\n\n\n\n\nE\n",
"A\n\n\n\n\n\n\nB\n",
],
'diff line middle' => [
'--- Original
+++ New
@@ -8 +8 @@
-X
+Z
',
"A\n\n\n\n\n\n\nX\n\n\n\n\n\n\nAY",
"A\n\n\n\n\n\n\nZ\n\n\n\n\n\n\nAY",
],
'diff last line III' => [
'--- Original
+++ New
@@ -15 +15 @@
-A
+B
',
"A\n\n\n\n\n\n\nA\n\n\n\n\n\n\nA\n",
"A\n\n\n\n\n\n\nA\n\n\n\n\n\n\nB\n",
],
[
'--- Original
+++ New
@@ -1,7 +1,7 @@
A
-B
+B1
D
E
EE
F
-G
+G1
',
"A\nB\nD\nE\nEE\nF\nG\nH",
"A\nB1\nD\nE\nEE\nF\nG1\nH",
],
[
'--- Original
+++ New
@@ -1 +1,2 @@
Z
+
@@ -10 +11 @@
-i
+x
',
'Z
a
b
c
d
e
f
g
h
i
j',
'Z
a
b
c
d
e
f
g
h
x
j'
],
[
'--- Original
+++ New
@@ -1,5 +1,3 @@
-
-a
+b
A
-a
-
+b
',
"\na\nA\na\n\n\nA",
"b\nA\nb\n\nA"
],
[
<<<EOF
--- Original
+++ New
@@ -1,4 +1,2 @@
-
-
a
-b
+p
@@ -12 +10 @@
-j
+w
EOF
,
"\n\na\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
"a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
],
[
'--- Original
+++ New
@@ -11 +11 @@
-A
+C
',
"E\n\n\n\n\nB\n\n\n\n\nA\n\n\n\n\n\n\n\n\nD1",
"E\n\n\n\n\nB\n\n\n\n\nC\n\n\n\n\n\n\n\n\nD1",
],
[
'--- Original
+++ New
@@ -8 +8 @@
-Z
+U
@@ -15 +15 @@
-X
+V
@@ -22 +22 @@
-Y
+W
@@ -29 +29 @@
-W
+X
@@ -36 +36 @@
-V
+Y
@@ -43 +43 @@
-U
+Z
',
"\n\n\n\n\n\n\nZ\n\n\n\n\n\n\nX\n\n\n\n\n\n\nY\n\n\n\n\n\n\nW\n\n\n\n\n\n\nV\n\n\n\n\n\n\nU\n",
"\n\n\n\n\n\n\nU\n\n\n\n\n\n\nV\n\n\n\n\n\n\nW\n\n\n\n\n\n\nX\n\n\n\n\n\n\nY\n\n\n\n\n\n\nZ\n"
],
[
<<<EOF
--- Original
+++ New
@@ -1,2 +1,2 @@
a
-b
+p
@@ -10 +10 @@
-j
+w
EOF
,
"a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
"a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
],
[
<<<EOF
--- Original
+++ New
@@ -1 +1 @@
-A
+B
EOF
,
"A\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1",
"B\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1",
],
[
"--- Original\n+++ New\n@@ -7 +7 @@\n-X\n+B\n",
"A\nA\nA\nA\nA\nA\nX\nC\nC\nC\nC\nC\nC",
"A\nA\nA\nA\nA\nA\nB\nC\nC\nC\nC\nC\nC",
],
];
}
public function testConstructorNull()
{
$this->assertAttributeInstanceOf(
UnifiedDiffOutputBuilder::class,
'outputBuilder',
new Differ(null)
);
}
public function testConstructorString()
{
$this->assertAttributeInstanceOf(
UnifiedDiffOutputBuilder::class,
'outputBuilder',
new Differ("--- Original\n+++ New\n")
);
}
public function testConstructorInvalidArgInt()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessageRegExp('/^Expected builder to be an instance of DiffOutputBuilderInterface, <null> or a string, got integer "1"\.$/');
new Differ(1);
}
public function testConstructorInvalidArgObject()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessageRegExp('/^Expected builder to be an instance of DiffOutputBuilderInterface, <null> or a string, got instance of "SplFileInfo"\.$/');
new Differ(new \SplFileInfo(__FILE__));
}
}