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Editing: GeneratorTest.php

<?php
/**
 * Tests the functionality in the abstract Generator class.
 *
 * @copyright 2024 PHPCSStandards and contributors
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/HEAD/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Tests\Core\Generators;

use PHP_CodeSniffer\Ruleset;
use PHP_CodeSniffer\Tests\ConfigDouble;
use PHP_CodeSniffer\Tests\Core\Generators\Fixtures\MockGenerator;
use PHPUnit\Framework\TestCase;

/**
 * Tests the functionality in the abstract Generator class.
 *
 * @covers \PHP_CodeSniffer\Generators\Generator
 * @group  Windows
 */
final class GeneratorTest extends TestCase
{

/**
     * Test the list of available documentation for a standard is generated correctly.
     *
     * @param string        $standard The standard to use for the test.
     * @param array<string> $expected The expected list of found docs.
     *
     * @dataProvider dataConstructor
     *
     * @return void
     */
    public function testConstructor($standard, array $expected)
    {
        // Set up the ruleset.
        $config  = new ConfigDouble(["--standard=$standard"]);
        $ruleset = new Ruleset($config);

$generator = new MockGenerator($ruleset);
        $this->assertSame($expected, $generator->docFiles);

}//end testConstructor()

/**
     * Data provider.
     *
     * @return array<string, array<string, string|array<string>>>
     */
    public static function dataConstructor()
    {
        $pathToDocsInFixture  = __DIR__.DIRECTORY_SEPARATOR.'Fixtures';
        $pathToDocsInFixture .= DIRECTORY_SEPARATOR.'StandardWithDocs';
        $pathToDocsInFixture .= DIRECTORY_SEPARATOR.'Docs'.DIRECTORY_SEPARATOR;

return [
            'Standard without docs'             => [
                'standard' => __DIR__.'/NoDocsTest.xml',
                'expected' => [],
            ],
            'Standard with an invalid doc file' => [
                'standard' => __DIR__.'/NoValidDocsTest.xml',
                'expected' => [
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'NoDocumentationElementStandard.xml',
                ],
            ],
            'Standard with one doc file'        => [
                'standard' => __DIR__.'/OneDocTest.xml',
                'expected' => [
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'OneStandardBlockNoCodeStandard.xml',
                ],
            ],
            'Standard with multiple doc files'  => [
                'standard' => __DIR__.'/StructureDocsTest.xml',
                'expected' => [
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'NoContentStandard.xml',
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'OneCodeComparisonNoStandardStandard.xml',
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'OneStandardBlockCodeComparisonStandard.xml',
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'OneStandardBlockNoCodeStandard.xml',
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'OneStandardBlockTwoCodeComparisonsStandard.xml',
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'TwoStandardBlocksNoCodeStandard.xml',
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'TwoStandardBlocksOneCodeComparisonStandard.xml',
                    $pathToDocsInFixture.'Structure'.DIRECTORY_SEPARATOR.'TwoStandardBlocksThreeCodeComparisonsStandard.xml',
                ],
            ],
        ];

}//end dataConstructor()

/**
     * Verify that an XML doc which isn't valid documentation yields an Exception to warn devs.
     *
     * This should not be hidden via defensive coding!
     *
     * @return void
     */
    public function testGeneratingInvalidDocsResultsInException()
    {
        // Set up the ruleset.
        $standard = __DIR__.'/NoValidDocsTest.xml';
        $config   = new ConfigDouble(["--standard=$standard"]);
        $ruleset  = new Ruleset($config);

if (PHP_VERSION_ID >= 80000) {
            $exception = 'TypeError';
            $message   = 'processSniff(): Argument #1 ($doc) must be of type DOMNode, null given';
        } else if (PHP_VERSION_ID >= 70000) {
            $exception = 'TypeError';
            $message   = 'processSniff() must be an instance of DOMNode, null given';
        } else {
            $exception = 'PHPUnit_Framework_Error';
            $message   = 'processSniff() must be an instance of DOMNode, null given';
        }

if (method_exists($this, 'expectExceptionMessage') === true) {
            // PHPUnit 5.2.0+.
            $this->expectException($exception);
            $this->expectExceptionMessage($message);
        } else {
            // Ancient PHPUnit.
            $this->setExpectedException($exception, $message);
        }

$generator = new MockGenerator($ruleset);
        $generator->generate();

}//end testGeneratingInvalidDocsResultsInException()

/**
     * Verify the wiring for the generate() function.
     *
     * @param string $standard The standard to use for the test.
     * @param string $expected The expected function output.
     *
     * @dataProvider dataGeneratingDocs
     *
     * @return void
     */
    public function testGeneratingDocs($standard, $expected)
    {
        // Set up the ruleset.
        $config  = new ConfigDouble(["--standard=$standard"]);
        $ruleset = new Ruleset($config);

$this->expectOutputString($expected);

$generator = new MockGenerator($ruleset);
        $generator->generate();

}//end testGeneratingDocs()

/**
     * Data provider.
     *
     * @return array<string, array<string, string>>
     */
    public static function dataGeneratingDocs()
    {
        $multidocExpected   = [];
        $multidocExpected[] = 'No Content';
        $multidocExpected[] = 'Code Comparison Only, Missing Standard Block';
        $multidocExpected[] = 'One Standard Block, Code Comparison';
        $multidocExpected[] = 'One Standard Block, No Code';
        $multidocExpected[] = 'One Standard Block, Two Code Comparisons';
        $multidocExpected[] = 'Two Standard Blocks, No Code';
        $multidocExpected[] = 'Two Standard Blocks, One Code Comparison';
        $multidocExpected[] = 'Two Standard Blocks, Three Code Comparisons';
        $multidocExpected   = implode(PHP_EOL, $multidocExpected).PHP_EOL;

return [
            'Standard without docs'            => [
                'standard' => __DIR__.'/NoDocsTest.xml',
                'expected' => '',
            ],
            'Standard with one doc file'       => [
                'standard' => __DIR__.'/OneDocTest.xml',
                'expected' => 'One Standard Block, No Code'.PHP_EOL,
            ],
            'Standard with multiple doc files' => [
                'standard' => __DIR__.'/StructureDocsTest.xml',
                'expected' => $multidocExpected,
            ],
        ];

}//end dataGeneratingDocs()

/**
     * Verify that if the `<documentation>` title is missing, it will fallback to the file name
     * and split the CamelCaps name correctly.
     *
     * @return void
     */
    public function testGetTitleFallbackToFilename()
    {
        // Set up the ruleset.
        $standard = __DIR__.'/AllValidDocsTest.xml';
        $sniffs   = 'StandardWithDocs.Content.DocumentationTitlePCREFallback';
        $config   = new ConfigDouble(["--standard=$standard", "--sniffs=$sniffs"]);
        $ruleset  = new Ruleset($config);

// In tests, the `--sniffs` setting doesn't work out of the box.
        $sniffParts = explode('.', $sniffs);
        $sniffFile  = __DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.$sniffParts[0].DIRECTORY_SEPARATOR;
        $sniffFile .= 'Sniffs'.DIRECTORY_SEPARATOR.$sniffParts[1].DIRECTORY_SEPARATOR.$sniffParts[2].'Sniff.php';

$sniffParts   = array_map('strtolower', $sniffParts);
        $sniffName    = $sniffParts[0].'\sniffs\\'.$sniffParts[1].'\\'.$sniffParts[2].'sniff';
        $restrictions = [$sniffName => true];
        $ruleset->registerSniffs([$sniffFile], $restrictions, []);

// Make the test OS independent.
        $this->expectOutputString('Documentation Title PCRE Fallback'.PHP_EOL);

$generator = new MockGenerator($ruleset);
        $generator->generate();

}//end testGetTitleFallbackToFilename()

}//end class

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