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Merge pull request #6 from bigbite/feature/filename-sniff
Add sniff for file name conventions
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‎.editorconfig‎

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# editorconfig.org
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root = true
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[*]
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indent_style = space
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end_of_line = lf
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indent_size = 2
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charset = utf-8
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trim_trailing_whitespace = true
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insert_final_newline = true
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[*.{json,php}]
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indent_size = 4
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indent_style = tab
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[*.md]
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trim_trailing_whitespace = false

‎.gitignore‎

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composer.phar
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.vscode/
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/vendor/

‎.phpcs.xml.dist‎

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<?xml version="1.0"?>
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<ruleset name="Big Bite CS" namespace="BigBite">
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<description>The Coding Standard for the Big Bite Coding Standards.</description>
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<file>.</file>
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<config name="encoding" value="utf-8" />
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<config name="testVersion" value="7.0-" />
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<arg name="basepath" value="." />
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<arg name="extensions" value="php" />
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<arg name="tab-width" value="4" />
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<arg value="qs" />
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<!-- Exclude Composer vendor directory. -->
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<exclude-pattern>*/vendor/*</exclude-pattern>
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<rule ref="BigBite">
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<exclude name="BigBite.Files.FileName" />
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<exclude name="WordPress.CodeAnalysis.AssignmentInCondition.FoundInWhileCondition" />
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<exclude name="WordPress.NamingConventions.ValidVariableName" />
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</rule>
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<!-- Enforce PSR1 compatible namespaces. -->
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<rule ref="PSR1.Classes.ClassDeclaration" />
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<!-- prevent empty lines between method bodies and closing braces -->
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<rule ref="PSR2.Methods.FunctionClosingBrace" />
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<!-- Check code for cross-version PHP compatibility. -->
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<rule ref="PHPCompatibility">
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<!-- Exclude PHP constants back-filled by PHPCS. -->
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<exclude name="PHPCompatibility.Constants.NewConstants.t_finallyFound" />
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<exclude name="PHPCompatibility.Constants.NewConstants.t_yieldFound" />
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<exclude name="PHPCompatibility.Constants.NewConstants.t_ellipsisFound" />
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<exclude name="PHPCompatibility.Constants.NewConstants.t_powFound" />
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<exclude name="PHPCompatibility.Constants.NewConstants.t_pow_equalFound" />
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<exclude name="PHPCompatibility.Constants.NewConstants.t_spaceshipFound" />
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<exclude name="PHPCompatibility.Constants.NewConstants.t_coalesceFound" />
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<exclude name="PHPCompatibility.Constants.NewConstants.t_coalesce_equalFound" />
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<exclude name="PHPCompatibility.Constants.NewConstants.t_yield_fromFound" />
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</rule>
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</ruleset>

‎BigBite/Docs/Files/FileNameStandard.xml‎

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<documentation title="File Names">
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<standard>
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<![CDATA[
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Files containing classes should be prefixed with "class-" or "abstract-class", and be named
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as the class name in lower-kebab-case. For example:
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the file name for abstract class My_Class_Name {} would be "abstract-class-my-class-name.php".
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]]>
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</standard>
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</documentation>

‎BigBite/Sniffs/Files/FileNameSniff.php‎

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<?php
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/**
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* BigBite Coding Standards.
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*
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* @package BigBite\phpcs-config
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* @link https://github.com/bigbite/phpcs-config
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* @license https://opensource.org/licenses/MIT MIT
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*/
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declare( strict_types = 1 );
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namespace BigBiteCS\BigBite\Sniffs\Files;
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use WordPressCS\WordPress\Sniffs\Files\FileNameSniff as WPFileNameSniff;
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/**
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* Ensures filenames are kebab-case, and are named appropriately
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*/
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class FileNameSniff extends WPFileNameSniff {
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/**
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* Processes this test when one of its tokens is encountered.
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*
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* @param int $stackPtr The position of the current token in the stack.
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*
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* @return int|void Integer stack pointer to skip forward or void to continue
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* normal file processing.
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*/
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public function process_token( $stackPtr ) {
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// strip quotes to ensure `stdin_path` passed by IDEs does not include quotes.
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$file = preg_replace( '`^([\'"])(.*)\1$`Ds', '$2', $this->phpcsFile->getFileName() );
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if ( 'STDIN' === $file ) {
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return;
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}
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if ( $this->is_disabled_by_comments() ) {
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return;
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}
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$fileName = basename( $file );
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list( $ext, $file ) = explode( '.', strrev( $fileName ), 2 );
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$expected = $this->kebab( strrev( $file ) ) . '.' . strrev( $ext );
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/*
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* Generic check for lowercase hyphenated file names.
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*/
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if ( $fileName !== $expected && ( false === $this->is_theme || 1 !== preg_match( self::THEME_EXCEPTIONS_REGEX, $fileName ) ) ) {
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$this->phpcsFile->addError(
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'Filenames should be all lowercase with hyphens as word separators. Expected %s, but found %s.',
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0,
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'NotHyphenatedLowercase',
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[ $expected, $fileName ]
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);
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}
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unset( $expected );
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/*
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* Check files containing a class for the "class-" prefix and that the rest of
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* the file name reflects the class name. Accounts for abstract classes.
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*/
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if ( true === $this->strict_class_file_names ) {
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$has_class = $this->phpcsFile->findNext( \T_CLASS, $stackPtr );
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if ( false !== $has_class && false === $this->is_test_class( $has_class ) ) {
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$is_abstract = $this->phpcsFile->findPrevious( \T_ABSTRACT, $has_class );
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$class_name = $this->phpcsFile->getDeclarationName( $has_class );
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$expected = 'class-' . $this->kebab( $class_name );
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$err_message = 'Class file names should be based on the class name with "class-" prepended. Expected %s, but found %s.';
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if ( $is_abstract ) {
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$expected = 'abstract-' . $expected;
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$err_message = 'Abstract class file names should be based on the class name with "abstract-class-" prepended. Expected %s, but found %s.';
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}
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if ( substr( $fileName, 0, -4 ) !== $expected ) {
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$this->phpcsFile->addError( $err_message, 0, 'InvalidClassFileName', [ $expected . '.php', $fileName ] );
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}
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unset( $expected );
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}
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}
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// Only run this sniff once per file, no need to run it again.
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return ( $this->phpcsFile->numTokens + 1 );
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}
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/**
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* Respect phpcs:disable comments as long as they are not accompanied by an enable (PHPCS 3.2+).
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*
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* @return bool
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*/
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protected function is_disabled_by_comments() {
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if ( ! \defined( '\T_PHPCS_DISABLE' ) || ! \defined( '\T_PHPCS_ENABLE' ) ) {
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return false;
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}
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$i = -1;
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while ( $i = $this->phpcsFile->findNext( \T_PHPCS_DISABLE, ( $i + 1 ) ) ) {
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if ( empty( $this->tokens[ $i ]['sniffCodes'] )
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|| isset( $this->tokens[ $i ]['sniffCodes']['BigBite'] )
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|| isset( $this->tokens[ $i ]['sniffCodes']['BigBite.Files'] )
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|| isset( $this->tokens[ $i ]['sniffCodes']['BigBite.Files.FileName'] )
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) {
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do {
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$i = $this->phpcsFile->findNext( \T_PHPCS_ENABLE, ( $i + 1 ) );
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} while ( false !== $i
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&& ! empty( $this->tokens[ $i ]['sniffCodes'] )
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&& ! isset( $this->tokens[ $i ]['sniffCodes']['BigBite'] )
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&& ! isset( $this->tokens[ $i ]['sniffCodes']['BigBite.Files'] )
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&& ! isset( $this->tokens[ $i ]['sniffCodes']['BigBite.Files.FileName'] ) );
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if ( false === $i ) {
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// The entire (rest of the) file is disabled.
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return true;
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}
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}
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}
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return false;
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}
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/**
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* Convert a string to kebab-case
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*
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* @param string $string the string to texturise
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*
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* @return string
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*/
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protected function kebab( $string = '' ) {
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$kebab = preg_replace( '/(?>(?!^[A-Z]))([a-z])([A-Z])/', '$1-$2', $string );
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$kebab = strtolower( $kebab );
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$kebab = str_replace( '_', '-', $kebab );
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// allow wordpress to be one word
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if ( false !== strpos( $string, 'WordPress' ) ) {
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$kebab = str_replace( 'word-press', 'wordpress', $kebab );
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}
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return $kebab;
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}
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}

‎BigBite/Tests/AbstractSniffUnitTest.php‎

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<?php
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namespace BigBiteCS\BigBite\Tests;
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use PHP_CodeSniffer\Tests\Standards\AbstractSniffUnitTest as PhpCsAbstractSniffUnitTest;
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abstract class AbstractSniffUnitTest extends PhpCsAbstractSniffUnitTest {
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}

‎BigBite/Tests/Files/FileNameUnitTest.inc‎

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<?php

‎BigBite/Tests/Files/FileNameUnitTest.php‎

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<?php
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/**
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* Unit test class for BigBite Coding Standard.
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*
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* @package BigBiteCS\BigBite
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* @link https://github.com/bigbite/phpcs-config
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* @license https://opensource.org/licenses/MIT MIT
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*/
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namespace BigBiteCS\BigBite\Tests\Files;
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use BigBiteCS\BigBite\Tests\AbstractSniffUnitTest;
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/**
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* Unit test class for the FileName sniff.
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*
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* @package BigBiteCS\BigBite
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*/
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class FileNameUnitTest extends AbstractSniffUnitTest {
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/**
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* Error files with the expected nr of errors.
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*
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* @var array
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*/
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private $expected_results = array(
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/*
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* In /FileNameUnitTests.
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*/
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// File names generic.
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'some_file.inc' => 1,
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'SomeFile.inc' => 1,
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'some-File.inc' => 1,
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'SomeView.inc' => 1,
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// Class file names.
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'my-class.inc' => 1,
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'my-abstract-class.inc' => 1,
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'class-different-class.inc' => 1,
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'abstract-class-different-class.inc' => 1,
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'ClassMyClass.inc' => 2,
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'AbstractClassMyClass.inc' => 2,
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// Theme specific exceptions in a non-theme context.
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'single-my_post_type.inc' => 1,
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'taxonomy-post_format-post-format-audio.inc' => 1,
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/*
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* In /FileNameUnitTests/NonStrictClassNames.
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*/
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// Non-strict class names still have to comply with lowercase hyphenated.
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'ClassNonStrictClass.inc' => 1,
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'AbstractClassNonStrictClass.inc' => 1,
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/*
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* In /FileNameUnitTests/PHPCSAnnotations.
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*/
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// Non-strict class names still have to comply with lowercase hyphenated.
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'blanket-disable.inc' => 0,
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'non-relevant-disable.inc' => 1,
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'partial-file-disable.inc' => 1,
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'rule-disable.inc' => 0,
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'wordpress-disable.inc' => 0,
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/*
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* In /FileNameUnitTests/TestFiles.
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*/
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'test-sample-phpunit.inc' => 0,
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'test-sample-phpunit6.inc' => 0,
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'test-sample-wpunit.inc' => 0,
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'test-sample-custom-unit.inc' => 0,
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'test-sample-namespaced-declaration-1.inc' => 0,
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'test-sample-namespaced-declaration-2.inc' => 1, // Namespaced vs non-namespaced.
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'test-sample-namespaced-declaration-3.inc' => 1, // Wrong namespace.
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'test-sample-namespaced-declaration-4.inc' => 1, // Non-namespaced vs namespaced.
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'test-sample-global-namespace-extends-1.inc' => 0, // Prefixed user input.
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'test-sample-global-namespace-extends-2.inc' => 1, // Non-namespaced vs namespaced.
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'test-sample-extends-with-use.inc' => 0,
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'test-sample-namespaced-extends-1.inc' => 0,
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'test-sample-namespaced-extends-2.inc' => 1, // Wrong namespace.
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'test-sample-namespaced-extends-3.inc' => 1, // Namespaced vs non-namespaced.
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'test-sample-namespaced-extends-4.inc' => 1, // Non-namespaced vs namespaced.
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'test-sample-namespaced-extends-5.inc' => 0,
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/*
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* In /FileNameUnitTests/ThemeExceptions.
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*/
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// Files in a theme context.
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'front_page.inc' => 1,
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'FrontPage.inc' => 1,
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'author-nice_name.inc' => 1,
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/*
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* In /FileNameUnitTests/wp-includes.
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*/
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// Files containing template tags.
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'general.inc' => 1,
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/*
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* In /.
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*/
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// Fall-back file in case glob() fails.
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'FileNameUnitTest.inc' => 1,
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);
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/**
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* Get a list of all test files to check.
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*
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* @param string $testFileBase The base path that the unit tests files will have.
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*
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* @return string[]
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*/
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protected function getTestFiles( $testFileBase ) {
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$sep = \DIRECTORY_SEPARATOR;
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$test_files = glob( dirname( $testFileBase ) . $sep . 'FileNameUnitTests{' . $sep . ',' . $sep . '*' . $sep . '}*.inc', \GLOB_BRACE );
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if ( ! empty( $test_files ) ) {
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return $test_files;
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}
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return array( $testFileBase . '.inc' );
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}
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/**
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* Returns the lines where errors should occur.
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*
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* @param string $testFile The name of the file being tested.
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* @return array <int line number> => <int number of errors>
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*/
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public function getErrorList( $testFile = '' ) {
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if ( isset( $this->expected_results[ $testFile ] ) ) {
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return array(
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1 => $this->expected_results[ $testFile ],
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);
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}
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return array();
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}
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/**
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* Returns the lines where warnings should occur.
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*
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* @return array <int line number> => <int number of warnings>
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*/
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public function getWarningList() {
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return array();
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}
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}

‎BigBite/Tests/Files/FileNameUnitTests/AbstractClassMyClass.inc‎

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<?php
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abstract class My_Class {}

‎BigBite/Tests/Files/FileNameUnitTests/ClassMyClass.inc‎

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<?php
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class My_Class {}

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