Ticket #42282: 42282.4.diff

Gruntfile.js

@@ -10 +10 @@
                 SOURCE_DIR = 'src/',
                 BUILD_DIR = 'build/',
                 BANNER_TEXT = '/*! This file is auto-generated */',
-                autoprefixer = require( 'autoprefixer' );
+                autoprefixer = require( 'autoprefixer' ),
+                phpUnitWatchFiles = grunt.option( 'files' ) && SOURCE_DIR + grunt.option( 'files' );
+                phpUnitWatchGroup = grunt.option( 'group' );
+
+        if ( 'watch:phpunit' === grunt.cli.tasks[ 0 ] ) {
+                if ( phpUnitWatchFiles && '.php' !== phpUnitWatchFiles.substring( phpUnitWatchFiles.length - 4 ) ) {
+                        phpUnitWatchFiles += '/**/*.php';
+                        phpUnitWatchFiles = phpUnitWatchFiles.replace( '//', '/' );
+                }
+
+                if ( ! phpUnitWatchFiles || ! phpUnitWatchGroup ) {
+                        grunt.log.writeln();
+                        grunt.fail.fatal(
+                                'Missing required parameters. Example usage: ' + "\n\n" +
+                                'grunt watch:phpunit --files=wp-admin/includes --group=community-events'
+                        );
+                }
+        }
 
         // Load tasks.
         require('matchdep').filterDev(['grunt-*', '!grunt-legacy-util']).forEach( grunt.loadNpmTasks );
@@ -742 +759 @@
                                         '!tests/qunit/editor/**'
                                 ],
                                 tasks: ['qunit']
+                        },
+                        phpunit: {
+                                files: [ phpUnitWatchFiles ],
+                                tasks: [ 'phpunit:default' ]
                         }
                 }
         });
@@ -945 +966 @@
         grunt.registerMultiTask('phpunit', 'Runs PHPUnit tests, including the ajax, external-http, and multisite tests.', function() {
                 grunt.util.spawn({
                         cmd: this.data.cmd,
-                        args: this.data.args,
+                        args: phpUnitWatchGroup ? this.data.args.concat( [ '--group', phpUnitWatchGroup ] ) : this.data.args,
                         opts: {stdio: 'inherit'}
                 }, this.async());
         });