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Edit File : DifferTest.php \| Size : 11.73 KB
<?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\UnifiedDiffOutputBuilder; /* * @covers SebastianBergmann\Diff\Differ * @covers SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder * * @uses SebastianBergmann\Diff\MemoryEfficientLongestCommonSubsequenceCalculator * @uses SebastianBergmann\Diff\TimeEfficientLongestCommonSubsequenceCalculator * @uses SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder / final class DifferTest extends TestCase { /* * @var Differ / private $differ; protected function setUp(): void { $this->differ = new Differ; } /* * @param array $expected * @param array\|string $from * @param array\|string $to * * @dataProvider arrayProvider / public function testArrayRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation(array $expected, $from, $to): void { $this->assertSame($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): void { $this->assertSame($expected, $this->differ->diff($from, $to, new TimeEfficientLongestCommonSubsequenceCalculator)); } /* * @param array $expected * @param array\|string $from * @param array\|string $to * * @dataProvider arrayProvider / public function testArrayRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation(array $expected, $from, $to): void { $this->assertSame($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): void { $this->assertSame($expected, $this->differ->diff($from, $to, new MemoryEfficientLongestCommonSubsequenceCalculator)); } public function testTypesOtherThanArrayAndStringCanBePassed(): void { $this->assertSame( "--- Original\n+++ New\n@@ @@\n-1\n+2\n", $this->differ->diff(1, 2) ); } public function testArrayDiffs(): void { $this->assertSame( '--- Original +++ New @@ @@ -one +two ', $this->differ->diff(['one'], ['two']) ); } public function arrayProvider(): array { return [ [ [ ['a', Differ::REMOVED], ['b', Differ::ADDED], ], 'a', 'b', ], [ [ ['ba', Differ::REMOVED], ['bc', Differ::ADDED], ], 'ba', 'bc', ], [ [ ['ab', Differ::REMOVED], ['cb', Differ::ADDED], ], 'ab', 'cb', ], [ [ ['abc', Differ::REMOVED], ['adc', Differ::ADDED], ], 'abc', 'adc', ], [ [ ['ab', Differ::REMOVED], ['abc', Differ::ADDED], ], 'ab', 'abc', ], [ [ ['bc', Differ::REMOVED], ['abc', Differ::ADDED], ], 'bc', 'abc', ], [ [ ['abc', Differ::REMOVED], ['abbc', Differ::ADDED], ], 'abc', 'abbc', ], [ [ ['abcdde', Differ::REMOVED], ['abcde', Differ::ADDED], ], 'abcdde', 'abcde', ], 'same start' => [ [ [17, Differ::OLD], ['b', Differ::REMOVED], ['d', Differ::ADDED], ], [30 => 17, 'a' => 'b'], [30 => 17, 'c' => 'd'], ], 'same end' => [ [ [1, Differ::REMOVED], [2, Differ::ADDED], ['b', Differ::OLD], ], [1 => 1, 'a' => 'b'], [1 => 2, 'a' => 'b'], ], 'same start (2), same end (1)' => [ [ [17, Differ::OLD], [2, Differ::OLD], [4, Differ::REMOVED], ['a', Differ::ADDED], [5, Differ::ADDED], ['x', Differ::OLD], ], [30 => 17, 1 => 2, 2 => 4, 'z' => 'x'], [30 => 17, 1 => 2, 3 => 'a', 2 => 5, 'z' => 'x'], ], 'same' => [ [ ['x', Differ::OLD], ], ['z' => 'x'], ['z' => 'x'], ], 'diff' => [ [ ['y', Differ::REMOVED], ['x', Differ::ADDED], ], ['x' => 'y'], ['z' => 'x'], ], 'diff 2' => [ [ ['y', Differ::REMOVED], ['b', Differ::REMOVED], ['x', Differ::ADDED], ['d', Differ::ADDED], ], ['x' => 'y', 'a' => 'b'], ['z' => 'x', 'c' => 'd'], ], 'test line diff detection' => [ [ [ "#Warning: Strings contain different line endings!\n", Differ::DIFF_LINE_END_WARNING, ], [ "<?php\r\n", Differ::REMOVED, ], [ "<?php\n", Differ::ADDED, ], ], "<?php\r\n", "<?php\n", ], 'test line diff detection in array input' => [ [ [ "#Warning: Strings contain different line endings!\n", Differ::DIFF_LINE_END_WARNING, ], [ "<?php\r\n", Differ::REMOVED, ], [ "<?php\n", Differ::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-A\n+A1\n B\n", "A\nB", "A1\nB", ], [ <<<EOF --- Original +++ New @@ @@ a -b +p c d e @@ @@ g h i -j +w k EOF , "a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk\n", "a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk\n", ], [ <<<EOF --- Original +++ New @@ @@ -A +B 1 2 3 EOF , "A\n1\n2\n3\n4\n5\n6\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n", "B\n1\n2\n3\n4\n5\n6\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n", ], [ "--- Original\n+++ New\n@@ @@\n #Warning: Strings contain different line endings!\n-<?php\r\n+<?php\n A\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\n", "a\r\n", "\nc\r", ], ]; } public function testDiffToArrayInvalidFromType(): void { $this->expectException(InvalidArgumentException::class); $this->expectExceptionMessageRegExp('#^"from" must be an array or string\.$#'); $this->differ->diffToArray(null, ''); } public function testDiffInvalidToType(): void { $this->expectException(InvalidArgumentException::class); $this->expectExceptionMessageRegExp('#^"to" must be an array or string\.$#'); $this->differ->diffToArray('', new \stdClass); } /* * @param array $expected * @param string $input * * @dataProvider provideSplitStringByLinesCases */ public function testSplitStringByLines(array $expected, string $input): void { $reflection = new \ReflectionObject($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", ], ]; } public function testConstructorInvalidArgInt(): void { $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(): void { $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__)); } } Back

Edit File : DifferTest.php | Size : 11.73 KB

<?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\UnifiedDiffOutputBuilder;

/**
 * @covers SebastianBergmann\Diff\Differ
 * @covers SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder
 *
 * @uses SebastianBergmann\Diff\MemoryEfficientLongestCommonSubsequenceCalculator
 * @uses SebastianBergmann\Diff\TimeEfficientLongestCommonSubsequenceCalculator
 * @uses SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder
 */
final class DifferTest extends TestCase
{
    /**
     * @var Differ
     */
    private $differ;

protected function setUp(): void
    {
        $this->differ = new Differ;
    }

/**
     * @param array        $expected
     * @param array|string $from
     * @param array|string $to
     *
     * @dataProvider arrayProvider
     */
    public function testArrayRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation(array $expected, $from, $to): void
    {
        $this->assertSame($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): void
    {
        $this->assertSame($expected, $this->differ->diff($from, $to, new TimeEfficientLongestCommonSubsequenceCalculator));
    }

/**
     * @param array        $expected
     * @param array|string $from
     * @param array|string $to
     *
     * @dataProvider arrayProvider
     */
    public function testArrayRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation(array $expected, $from, $to): void
    {
        $this->assertSame($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): void
    {
        $this->assertSame($expected, $this->differ->diff($from, $to, new MemoryEfficientLongestCommonSubsequenceCalculator));
    }

public function testTypesOtherThanArrayAndStringCanBePassed(): void
    {
        $this->assertSame(
            "--- Original\n+++ New\n@@ @@\n-1\n+2\n",
            $this->differ->diff(1, 2)
        );
    }

public function testArrayDiffs(): void
    {
        $this->assertSame(
            '--- Original
+++ New
@@ @@
-one
+two
',
            $this->differ->diff(['one'], ['two'])
        );
    }

public function arrayProvider(): array
    {
        return [
            [
                [
                    ['a', Differ::REMOVED],
                    ['b', Differ::ADDED],
                ],
                'a',
                'b',
            ],
            [
                [
                    ['ba', Differ::REMOVED],
                    ['bc', Differ::ADDED],
                ],
                'ba',
                'bc',
            ],
            [
                [
                    ['ab', Differ::REMOVED],
                    ['cb', Differ::ADDED],
                ],
                'ab',
                'cb',
            ],
            [
                [
                    ['abc', Differ::REMOVED],
                    ['adc', Differ::ADDED],
                ],
                'abc',
                'adc',
            ],
            [
                [
                    ['ab', Differ::REMOVED],
                    ['abc', Differ::ADDED],
                ],
                'ab',
                'abc',
            ],
            [
                [
                    ['bc', Differ::REMOVED],
                    ['abc', Differ::ADDED],
                ],
                'bc',
                'abc',
            ],
            [
                [
                    ['abc', Differ::REMOVED],
                    ['abbc', Differ::ADDED],
                ],
                'abc',
                'abbc',
            ],
            [
                [
                    ['abcdde', Differ::REMOVED],
                    ['abcde', Differ::ADDED],
                ],
                'abcdde',
                'abcde',
            ],
            'same start' => [
                [
                    [17, Differ::OLD],
                    ['b', Differ::REMOVED],
                    ['d', Differ::ADDED],
                ],
                [30 => 17, 'a' => 'b'],
                [30 => 17, 'c' => 'd'],
            ],
            'same end' => [
                [
                    [1, Differ::REMOVED],
                    [2, Differ::ADDED],
                    ['b', Differ::OLD],
                ],
                [1 => 1, 'a' => 'b'],
                [1 => 2, 'a' => 'b'],
            ],
            'same start (2), same end (1)' => [
                [
                    [17, Differ::OLD],
                    [2, Differ::OLD],
                    [4, Differ::REMOVED],
                    ['a', Differ::ADDED],
                    [5, Differ::ADDED],
                    ['x', Differ::OLD],
                ],
                [30 => 17, 1 => 2, 2 => 4, 'z' => 'x'],
                [30 => 17, 1 => 2, 3 => 'a', 2 => 5, 'z' => 'x'],
            ],
            'same' => [
                [
                    ['x', Differ::OLD],
                ],
                ['z' => 'x'],
                ['z' => 'x'],
            ],
            'diff' => [
                [
                    ['y', Differ::REMOVED],
                    ['x', Differ::ADDED],
                ],
                ['x' => 'y'],
                ['z' => 'x'],
            ],
            'diff 2' => [
                [
                    ['y', Differ::REMOVED],
                    ['b', Differ::REMOVED],
                    ['x', Differ::ADDED],
                    ['d', Differ::ADDED],
                ],
                ['x' => 'y', 'a' => 'b'],
                ['z' => 'x', 'c' => 'd'],
            ],
            'test line diff detection' => [
                [
                    [
                        "#Warning: Strings contain different line endings!\n",
                        Differ::DIFF_LINE_END_WARNING,
                    ],
                    [
                        "<?php\r\n",
                        Differ::REMOVED,
                    ],
                    [
                        "<?php\n",
                        Differ::ADDED,
                    ],
                ],
                "<?php\r\n",
                "<?php\n",
            ],
            'test line diff detection in array input' => [
                [
                    [
                        "#Warning: Strings contain different line endings!\n",
                        Differ::DIFF_LINE_END_WARNING,
                    ],
                    [
                        "<?php\r\n",
                        Differ::REMOVED,
                    ],
                    [
                        "<?php\n",
                        Differ::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-A\n+A1\n B\n",
                "A\nB",
                "A1\nB",
            ],
            [
                <<<EOF
--- Original
+++ New
@@ @@
 a
-b
+p
 c
 d
 e
@@ @@
 g
 h
 i
-j
+w
 k

EOF
            ,
                "a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk\n",
                "a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk\n",
            ],
            [
                <<<EOF
--- Original
+++ New
@@ @@
-A
+B
 1
 2
 3

EOF
            ,
                "A\n1\n2\n3\n4\n5\n6\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n",
                "B\n1\n2\n3\n4\n5\n6\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n",
            ],
            [
                "--- Original\n+++ New\n@@ @@\n #Warning: Strings contain different line endings!\n-<?php\r\n+<?php\n A\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\n",
                "a\r\n",
                "\nc\r",
            ],
        ];
    }

public function testDiffToArrayInvalidFromType(): void
    {
        $this->expectException(InvalidArgumentException::class);
        $this->expectExceptionMessageRegExp('#^"from" must be an array or string\.$#');

$this->differ->diffToArray(null, '');
    }

public function testDiffInvalidToType(): void
    {
        $this->expectException(InvalidArgumentException::class);
        $this->expectExceptionMessageRegExp('#^"to" must be an array or string\.$#');

$this->differ->diffToArray('', new \stdClass);
    }

/**
     * @param array  $expected
     * @param string $input
     *
     * @dataProvider provideSplitStringByLinesCases
     */
    public function testSplitStringByLines(array $expected, string $input): void
    {
        $reflection = new \ReflectionObject($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",
            ],
        ];
    }

public function testConstructorInvalidArgInt(): void
    {
        $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(): void
    {
        $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__));
    }
}

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