Fix wrap-multilines rule

Wrap multilines was broken after switching to new eslint rule format.
Also in this commit wrap-multilines was aligned with
jsx-wrap-multilines: "fixed: 'code'" was added to its meta.

Author: akozhemiakin

lib/rules/wrap-multilines.js

@@ -20,6 +20,7 @@ module.exports = {
       category: 'Stylistic Issues',
       recommended: false
     },
+    fixable: 'code',
 
     schema: [{
       type: 'object',
@@ -39,7 +40,7 @@ module.exports = {
   },
 
   create: function(context) {
-    return util._extend(jsxWrapMultilines(context), {
+    return util._extend(jsxWrapMultilines.create(context), {
       Program: function() {
         if (isWarnedForDeprecation || /\=-(f|-format)=/.test(process.argv.join('='))) {
           return;

tests/lib/rules/wrap-multilines.js

@@ -0,0 +1,154 @@
+/**
+ * @fileoverview Prevent missing parentheses around multilines JSX
+ * @author Yannick Croissant
+ */
+'use strict';
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+var rule = require('../../../lib/rules/wrap-multilines');
+var RuleTester = require('eslint').RuleTester;
+
+var parserOptions = {
+  ecmaVersion: 6,
+  ecmaFeatures: {
+    jsx: true
+  }
+};
+
+// ------------------------------------------------------------------------------
+// Code Snippets
+// ------------------------------------------------------------------------------
+
+var RETURN_SINGLE_LINE = '\
+  var Hello = React.createClass({\
+    render: function() {\
+      return <p>Hello {this.props.name}</p>;\
+    }\
+  });';
+
+var RETURN_PAREN = '\
+  var Hello = React.createClass({\
+    render: function() {\
+      return (<div>\n\
+        <p>Hello {this.props.name}</p>\n\
+      </div>);\
+    }\
+  });';
+
+var RETURN_NO_PAREN = '\
+  var Hello = React.createClass({\
+    render: function() {\
+      return <div>\n\
+        <p>Hello {this.props.name}</p>\n\
+      </div>;\
+    }\
+  });';
+
+var DECLARATION_SINGLE_LINE = 'var hello = <p>Hello</p>;';
+
+var DECLARATION_PAREN = '\
+  var hello = (<div>\n\
+    <p>Hello</p>\n\
+  </div>);';
+
+var DECLARATION_NO_PAREN = '\
+  var hello = <div>\n\
+    <p>Hello</p>\n\
+  </div>;';
+
+var ASSIGNMENT_SINGLE_LINE = 'var hello; hello = <p>Hello</p>;';
+
+var ASSIGNMENT_PAREN = '\
+  var hello;\
+  hello = (<div>\n\
+    <p>Hello</p>\n\
+  </div>);';
+
+var ASSIGNMENT_NO_PAREN = '\
+  var hello;\
+  hello = <div>\n\
+    <p>Hello</p>\n\
+  </div>;';
+
+// ------------------------------------------------------------------------------
+// Tests
+// ------------------------------------------------------------------------------
+
+var ruleTester = new RuleTester();
+ruleTester.run('wrap-multilines', rule, {
+
+  valid: [
+    {
+      code: RETURN_SINGLE_LINE,
+      parserOptions: parserOptions
+    }, {
+      code: RETURN_PAREN,
+      parserOptions: parserOptions
+    }, {
+      code: RETURN_NO_PAREN,
+      options: [{return: false}],
+      parserOptions: parserOptions
+    }, {
+      code: DECLARATION_SINGLE_LINE,
+      parserOptions: parserOptions
+    }, {
+      code: DECLARATION_PAREN,
+      parserOptions: parserOptions
+    }, {
+      code: DECLARATION_NO_PAREN,
+      options: [{declaration: false}],
+      parserOptions: parserOptions
+    }, {
+      code: ASSIGNMENT_SINGLE_LINE,
+      options: [{declaration: false}],
+      parserOptions: parserOptions
+    }, {
+      code: ASSIGNMENT_PAREN,
+      parserOptions: parserOptions
+    }, {
+      code: ASSIGNMENT_NO_PAREN,
+      options: [{assignment: false}],
+      parserOptions: parserOptions
+    }
+  ],
+
+  invalid: [
+    {
+      code: RETURN_NO_PAREN,
+      output: RETURN_PAREN,
+      parserOptions: parserOptions,
+      errors: [{message: 'Missing parentheses around multilines JSX'}]
+    }, {
+      code: RETURN_NO_PAREN,
+      output: RETURN_PAREN,
+      parserOptions: parserOptions,
+      options: [{return: true}],
+      errors: [{message: 'Missing parentheses around multilines JSX'}]
+    }, {
+      code: DECLARATION_NO_PAREN,
+      output: DECLARATION_PAREN,
+      parserOptions: parserOptions,
+      errors: [{message: 'Missing parentheses around multilines JSX'}]
+    }, {
+      code: DECLARATION_NO_PAREN,
+      output: DECLARATION_PAREN,
+      parserOptions: parserOptions,
+      options: [{declaration: true}],
+      errors: [{message: 'Missing parentheses around multilines JSX'}]
+    }, {
+      code: ASSIGNMENT_NO_PAREN,
+      output: ASSIGNMENT_PAREN,
+      parserOptions: parserOptions,
+      errors: [{message: 'Missing parentheses around multilines JSX'}]
+    }, {
+      code: ASSIGNMENT_NO_PAREN,
+      output: ASSIGNMENT_PAREN,
+      parserOptions: parserOptions,
+      options: [{assignment: true}],
+      errors: [{message: 'Missing parentheses around multilines JSX'}]
+    }
+  ]
+});