eslint-plugin-react/tests/lib/rules/no-string-refs.js at master · sevagsim/eslint-plugin-react · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
/**
 * @fileoverview Prevent string definitions for references and prevent referencing this.refs
 * @author Tom Hastjarjanto
 */
'use strict';

// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------

const rule = require('../../../lib/rules/no-string-refs');
const RuleTester = require('eslint').RuleTester;

const parserOptions = {
  ecmaVersion: 8,
  sourceType: 'module',
  ecmaFeatures: {
    experimentalObjectRestSpread: true,
    jsx: true
  }
};

require('babel-eslint');

// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------

const ruleTester = new RuleTester({parserOptions});
ruleTester.run('no-refs', rule, {

  valid: [{
    code: `
      var Hello = createReactClass({
        componentDidMount: function() {
           var component = this.hello;
        },
        render: function() {
          return <div ref={c => this.hello = c}>Hello {this.props.name}</div>;
        }
      });
    `,
    parser: 'babel-eslint'
  }
  ],

  invalid: [{
    code: `
      var Hello = createReactClass({
        componentDidMount: function() {
           var component = this.refs.hello;
        },
        render: function() {
          return <div>Hello {this.props.name}</div>;
        }
      });
    `,
    parser: 'babel-eslint',
    errors: [{
      message: 'Using this.refs is deprecated.'
    }]
  }, {
    code: `
      var Hello = createReactClass({
        render: function() {
          return <div ref="hello">Hello {this.props.name}</div>;
        }
      });
    `,
    parser: 'babel-eslint',
    errors: [{
      message: 'Using string literals in ref attributes is deprecated.'
    }]
  }, {
    code: `
      var Hello = createReactClass({
        render: function() {
          return <div ref={'hello'}>Hello {this.props.name}</div>;
        }
      });
    `,
    parser: 'babel-eslint',
    errors: [{
      message: 'Using string literals in ref attributes is deprecated.'
    }]
  }, {
    code: `
      var Hello = createReactClass({
        componentDidMount: function() {
           var component = this.refs.hello;
        },
        render: function() {
          return <div ref="hello">Hello {this.props.name}</div>;
        }
      });
    `,
    parser: 'babel-eslint',
    errors: [{
      message: 'Using this.refs is deprecated.'
    }, {
      message: 'Using string literals in ref attributes is deprecated.'
    }]
  }]
});