/
no-dupe-keys.js
58 lines (52 loc) · 4.25 KB
/
no-dupe-keys.js
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
/**
* @fileoverview Tests for no-dupe-keys rule.
* @author Ian Christian Myers
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-dupe-keys"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("no-dupe-keys", rule, {
valid: [
"var foo = { __proto__: 1, two: 2};",
"var x = { foo: 1, bar: 2 };",
"var x = { '': 1, bar: 2 };",
"var x = { '': 1, ' ': 2 };",
{ code: "var x = { '': 1, [null]: 2 };", parserOptions: { ecmaVersion: 6 } },
{ code: "var x = { '': 1, [a]: 2 };", parserOptions: { ecmaVersion: 6 } },
{ code: "var x = { [a]: 1, [a]: 2 };", parserOptions: { ecmaVersion: 6 } },
"+{ get a() { }, set a(b) { } };",
{ code: "var x = { a: b, [a]: b };", parserOptions: { ecmaVersion: 6 } },
{ code: "var x = { a: b, ...c }", parserOptions: { ecmaVersion: 2018 } },
{ code: "var x = { get a() {}, set a (value) {} };", parserOptions: { ecmaVersion: 6 } },
{ code: "var x = { a: 1, b: { a: 2 } };", parserOptions: { ecmaVersion: 6 } },
{ code: "var x = ({ null: 1, [/(?<zero>0)/]: 2 })", parserOptions: { ecmaVersion: 2018 } },
{ code: "var {a, a} = obj", parserOptions: { ecmaVersion: 6 } },
"var x = { 012: 1, 12: 2 };",
{ code: "var x = { 1_0: 1, 1: 2 };", parserOptions: { ecmaVersion: 2021 } }
],
invalid: [
{ code: "var x = { a: b, ['a']: b };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "a" }, type: "ObjectExpression" }] },
{ code: "var x = { y: 1, y: 2 };", errors: [{ messageId: "unexpected", data: { name: "y" }, type: "ObjectExpression" }] },
{ code: "var x = { '': 1, '': 2 };", errors: [{ messageId: "unexpected", data: { name: "" }, type: "ObjectExpression" }] },
{ code: "var x = { '': 1, [``]: 2 };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "" }, type: "ObjectExpression" }] },
{ code: "var foo = { 0x1: 1, 1: 2};", errors: [{ messageId: "unexpected", data: { name: "1" }, type: "ObjectExpression" }] },
{ code: "var x = { 012: 1, 10: 2 };", errors: [{ messageId: "unexpected", data: { name: "10" }, type: "ObjectExpression" }] },
{ code: "var x = { 0b1: 1, 1: 2 };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "1" }, type: "ObjectExpression" }] },
{ code: "var x = { 0o1: 1, 1: 2 };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "1" }, type: "ObjectExpression" }] },
{ code: "var x = { 1n: 1, 1: 2 };", parserOptions: { ecmaVersion: 2020 }, errors: [{ messageId: "unexpected", data: { name: "1" }, type: "ObjectExpression" }] },
{ code: "var x = { 1_0: 1, 10: 2 };", parserOptions: { ecmaVersion: 2021 }, errors: [{ messageId: "unexpected", data: { name: "10" }, type: "ObjectExpression" }] },
{ code: "var x = { \"z\": 1, z: 2 };", errors: [{ messageId: "unexpected", data: { name: "z" }, type: "ObjectExpression" }] },
{ code: "var foo = {\n bar: 1,\n bar: 1,\n}", errors: [{ messageId: "unexpected", data: { name: "bar" }, line: 3, column: 3 }] },
{ code: "var x = { a: 1, get a() {} };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "a" }, type: "ObjectExpression" }] },
{ code: "var x = { a: 1, set a(value) {} };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "a" }, type: "ObjectExpression" }] },
{ code: "var x = { a: 1, b: { a: 2 }, get b() {} };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "b" }, type: "ObjectExpression" }] },
{ code: "var x = ({ '/(?<zero>0)/': 1, [/(?<zero>0)/]: 2 })", parserOptions: { ecmaVersion: 2018 }, errors: [{ messageId: "unexpected", data: { name: "/(?<zero>0)/" }, type: "ObjectExpression" }] }
]
});