Files/FileName: various improvements

WordPress/Sniffs/Files/FileNameSniff.php

@@ -96,27 +96,39 @@ final class FileNameSniff extends Sniff {
 	/**
 	 * Historical exceptions in WP core to the class name rule.
 	 *
+	 * Note: these files were renamed to comply with the naming conventions in
+	 * WP 6.1.0.
+	 * This means we no longer need to make an exception for them in the
+	 * `check_filename_has_class_prefix()` check, however, we do still need to
+	 * make an exception in the `check_filename_is_hyphenated()` check.
+	 *
 	 * @since 0.11.0
+	 * @since 3.0.0  Property has been renamed from `$class_exceptions` to `$hyphenation_exceptions`,
 	 *
 	 * @var array
 	 */
-	private $class_exceptions = array(
+	private $hyphenation_exceptions = array(
 		'class.wp-dependencies.php' => true,
 		'class.wp-scripts.php'      => true,
 		'class.wp-styles.php'       => true,
+		'functions.wp-scripts.php'  => true,
+		'functions.wp-styles.php'   => true,
 	);
 
 	/**
 	 * Unit test version of the historical exceptions in WP core.
 	 *
 	 * @since 0.11.0
+	 * @since 3.0.0  Property has been renamed from `$unittest_class_exceptions` to `$unittest_hyphenation_exceptions`,
 	 *
 	 * @var array
 	 */
-	private $unittest_class_exceptions = array(
+	private $unittest_hyphenation_exceptions = array(
 		'class.wp-dependencies.inc' => true,
 		'class.wp-scripts.inc'      => true,
 		'class.wp-styles.inc'       => true,
+		'functions.wp-scripts.inc'  => true,
+		'functions.wp-styles.inc'   => true,
 	);
 
 	/**
@@ -126,7 +138,7 @@ final class FileNameSniff extends Sniff {
 	 */
 	public function register() {
 		if ( \defined( '\PHP_CODESNIFFER_IN_TESTS' ) ) {
-			$this->class_exceptions += $this->unittest_class_exceptions;
+			$this->hyphenation_exceptions += $this->unittest_hyphenation_exceptions;
 		}
 
 		return Collections::phpOpenTags();
@@ -207,8 +219,13 @@ public function process_token( $stackPtr ) {
 	 * @return void
 	 */
 	protected function check_filename_is_hyphenated( $file_name ) {
-		$expected = strtolower( str_replace( '_', '-', $file_name ) );
-		if ( $file_name === $expected ) {
+		$extension = strrchr( $file_name, '.' );
+		$name      = substr( $file_name, 0, ( strlen( $file_name ) - strlen( $extension ) ) );
+
+		$expected = strtolower( preg_replace( '`[[:punct:]]`', '-', $name ) ) . $extension;
+		if ( $file_name === $expected
+			|| isset( $this->hyphenation_exceptions[ $file_name ] )
+		) {
 			return;
 		}
 
@@ -237,12 +254,11 @@ protected function check_filename_is_hyphenated( $file_name ) {
 	 * @return void
 	 */
 	protected function check_filename_has_class_prefix( $class_ptr, $file_name ) {
+		$extension  = strrchr( $file_name, '.' );
 		$class_name = ObjectDeclarations::getName( $this->phpcsFile, $class_ptr );
-		$expected   = 'class-' . strtolower( str_replace( '_', '-', $class_name ) );
+		$expected   = 'class-' . strtolower( str_replace( '_', '-', $class_name ) ) . $extension;
 
-		if ( substr( $file_name, 0, -4 ) === $expected
-			|| isset( $this->class_exceptions[ $file_name ] )
-		) {
+		if ( $file_name === $expected ) {
 			return;
 		}
 
@@ -251,7 +267,7 @@ protected function check_filename_has_class_prefix( $class_ptr, $file_name ) {
 			0,
 			'InvalidClassFileName',
 			array(
-				$expected . '.php',
+				$expected,
 				$file_name,
 			)
 		);

WordPress/Tests/Files/FileNameUnitTest.php

@@ -40,6 +40,9 @@ final class FileNameUnitTest extends AbstractSniffUnitTest {
 		'SomeFile.inc'                               => 1,
 		'some-File.inc'                              => 1,
 		'SomeView.inc'                               => 1,
+		'class.with.dot.not.underscore.inc'          => 2,
+		'class@with#other+punctuation.inc'           => 2,
+		'class-wrong-with-different-extension.php3'  => 1,
 
 		// Class file names.
 		'my-class.inc'                               => 1,
@@ -75,23 +78,23 @@ final class FileNameUnitTest extends AbstractSniffUnitTest {
 		'test-sample-phpunit.inc'                    => 0,
 		'test-sample-phpunit6.inc'                   => 0,
 		'test-sample-wpunit.inc'                     => 0,
-		'test-sample-custom-unit.1.inc'              => 0,
-		'test-sample-custom-unit.2.inc'              => 0,
-		'test-sample-custom-unit.3.inc'              => 0,
-		'test-sample-custom-unit.4.inc'              => 0,
-		'test-sample-custom-unit.5.inc'              => 1, // Namespaced vs non-namespaced.
-		'test-sample-namespaced-declaration.1.inc'   => 0,
-		'test-sample-namespaced-declaration.2.inc'   => 1, // Namespaced vs non-namespaced.
-		'test-sample-namespaced-declaration.3.inc'   => 1, // Wrong namespace.
-		'test-sample-namespaced-declaration.4.inc'   => 1, // Non-namespaced vs namespaced.
-		'test-sample-global-namespace-extends.1.inc' => 0, // Prefixed user input.
-		'test-sample-global-namespace-extends.2.inc' => 1, // Non-namespaced vs namespaced.
+		'test-sample-custom-unit-1.inc'              => 0,
+		'test-sample-custom-unit-2.inc'              => 0,
+		'test-sample-custom-unit-3.inc'              => 0,
+		'test-sample-custom-unit-4.inc'              => 0,
+		'test-sample-custom-unit-5.inc'              => 1, // Namespaced vs non-namespaced.
+		'test-sample-namespaced-declaration-1.inc'   => 0,
+		'test-sample-namespaced-declaration-2.inc'   => 1, // Namespaced vs non-namespaced.
+		'test-sample-namespaced-declaration-3.inc'   => 1, // Wrong namespace.
+		'test-sample-namespaced-declaration-4.inc'   => 1, // Non-namespaced vs namespaced.
+		'test-sample-global-namespace-extends-1.inc' => 0, // Prefixed user input.
+		'test-sample-global-namespace-extends-2.inc' => 1, // Non-namespaced vs namespaced.
 		'test-sample-extends-with-use.inc'           => 0,
-		'test-sample-namespaced-extends.1.inc'       => 0,
-		'test-sample-namespaced-extends.2.inc'       => 1, // Wrong namespace.
-		'test-sample-namespaced-extends.3.inc'       => 1, // Namespaced vs non-namespaced.
-		'test-sample-namespaced-extends.4.inc'       => 1, // Non-namespaced vs namespaced.
-		'test-sample-namespaced-extends.5.inc'       => 0,
+		'test-sample-namespaced-extends-1.inc'       => 0,
+		'test-sample-namespaced-extends-2.inc'       => 1, // Wrong namespace.
+		'test-sample-namespaced-extends-3.inc'       => 1, // Namespaced vs non-namespaced.
+		'test-sample-namespaced-extends-4.inc'       => 1, // Non-namespaced vs namespaced.
+		'test-sample-namespaced-extends-5.inc'       => 0,
 		'Test_Sample.inc'                            => 0,
 
 		/*
@@ -130,6 +133,11 @@ protected function getTestFiles( $testFileBase ) {
 		$sep        = \DIRECTORY_SEPARATOR;
 		$test_files = glob( dirname( $testFileBase ) . $sep . 'FileNameUnitTests{' . $sep . ',' . $sep . '*' . $sep . '}*.inc', \GLOB_BRACE );
 
+		$php3_test_files = glob( dirname( $testFileBase ) . $sep . 'FileNameUnitTests{' . $sep . ',' . $sep . '*' . $sep . '}*.php3', \GLOB_BRACE );
+		foreach ( $php3_test_files as $file ) {
+			$test_files[] = $file;
+		}
+
 		if ( ! empty( $test_files ) ) {
 			return $test_files;
 		}

WordPress/Tests/Files/FileNameUnitTests/class-file-with-different-extension.php3

@@ -0,0 +1,3 @@
+<?php
+
+class File_With_Different_Extension {}

WordPress/Tests/Files/FileNameUnitTests/class-wrong-with-different-extension.php3

@@ -0,0 +1,3 @@
+<?php
+
+class File_With_Different_Extension {}

WordPress/Tests/Files/FileNameUnitTests/class.with.dot.not.underscore.inc

@@ -0,0 +1,3 @@
+<?php
+
+class With_Dot_Not_Underscore {}

WordPress/Tests/Files/FileNameUnitTests/class.wp-dependencies.inc

@@ -1,3 +1,3 @@
 <?php
 
-class WP_Dependencies {}
+// WP Core file no longer contains a class.

WordPress/Tests/Files/FileNameUnitTests/class.wp-scripts.inc

@@ -1,3 +1,3 @@
 <?php
 
-class WP_Scripts {}
+// WP Core file no longer contains a class.

WordPress/Tests/Files/FileNameUnitTests/class.wp-styles.inc

@@ -1,3 +1,3 @@
 <?php
 
-class WP_Styles {}
+// WP Core file no longer contains a class.

WordPress/Tests/Files/FileNameUnitTests/class@with#other+punctuation.inc

@@ -0,0 +1,3 @@
+<?php
+
+class With_Other_Punctuation {}