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func-name-matching.js
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func-name-matching.js
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/**
* @fileoverview Tests for func-name-matching rule.
* @author Annie Zhang
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/func-name-matching"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("func-name-matching", rule, {
valid: [
"var foo;",
"var foo = function foo() {};",
{ code: "var foo = function foo() {};", options: ["always"] },
{ code: "var foo = function bar() {};", options: ["never"] },
"var foo = function() {}",
{ code: "var foo = () => {}", parserOptions: { ecmaVersion: 6 } },
"foo = function foo() {};",
{ code: "foo = function foo() {};", options: ["always"] },
{ code: "foo = function bar() {};", options: ["never"] },
{ code: "foo &&= function foo() {};", parserOptions: { ecmaVersion: 2021 } },
{ code: "obj.foo ||= function foo() {};", parserOptions: { ecmaVersion: 2021 } },
{ code: "obj['foo'] ??= function foo() {};", parserOptions: { ecmaVersion: 2021 } },
"obj.foo = function foo() {};",
{ code: "obj.foo = function foo() {};", options: ["always"] },
{ code: "obj.foo = function bar() {};", options: ["never"] },
"obj.foo = function() {};",
{ code: "obj.foo = function() {};", options: ["always"] },
{ code: "obj.foo = function() {};", options: ["never"] },
"obj.bar.foo = function foo() {};",
{ code: "obj.bar.foo = function foo() {};", options: ["always"] },
{ code: "obj.bar.foo = function baz() {};", options: ["never"] },
"obj['foo'] = function foo() {};",
{ code: "obj['foo'] = function foo() {};", options: ["always"] },
{ code: "obj['foo'] = function bar() {};", options: ["never"] },
"obj['foo//bar'] = function foo() {};",
{ code: "obj['foo//bar'] = function foo() {};", options: ["always"] },
{ code: "obj['foo//bar'] = function foo() {};", options: ["never"] },
"obj[foo] = function bar() {};",
{ code: "obj[foo] = function bar() {};", options: ["always"] },
{ code: "obj[foo] = function bar() {};", options: ["never"] },
"var obj = {foo: function foo() {}};",
{ code: "var obj = {foo: function foo() {}};", options: ["always"] },
{ code: "var obj = {foo: function bar() {}};", options: ["never"] },
"var obj = {'foo': function foo() {}};",
{ code: "var obj = {'foo': function foo() {}};", options: ["always"] },
{ code: "var obj = {'foo': function bar() {}};", options: ["never"] },
"var obj = {'foo//bar': function foo() {}};",
{ code: "var obj = {'foo//bar': function foo() {}};", options: ["always"] },
{ code: "var obj = {'foo//bar': function foo() {}};", options: ["never"] },
"var obj = {foo: function() {}};",
{ code: "var obj = {foo: function() {}};", options: ["always"] },
{ code: "var obj = {foo: function() {}};", options: ["never"] },
{ code: "var obj = {[foo]: function bar() {}} ", parserOptions: { ecmaVersion: 6 } },
{ code: "var obj = {['x' + 2]: function bar(){}};", parserOptions: { ecmaVersion: 6 } },
"obj['x' + 2] = function bar(){};",
{ code: "var [ bar ] = [ function bar(){} ];", parserOptions: { ecmaVersion: 6 } },
{ code: "function a(foo = function bar() {}) {}", parserOptions: { ecmaVersion: 6 } },
"module.exports = function foo(name) {};",
"module['exports'] = function foo(name) {};",
{
code: "module.exports = function foo(name) {};",
options: [{ includeCommonJSModuleExports: false }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "module.exports = function foo(name) {};",
options: ["always", { includeCommonJSModuleExports: false }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "module.exports = function foo(name) {};",
options: ["never", { includeCommonJSModuleExports: false }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "module['exports'] = function foo(name) {};",
options: [{ includeCommonJSModuleExports: false }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "module['exports'] = function foo(name) {};",
options: ["always", { includeCommonJSModuleExports: false }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "module['exports'] = function foo(name) {};",
options: ["never", { includeCommonJSModuleExports: false }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "({['foo']: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({['foo']: function foo() {}})",
options: ["always"],
parserOptions: { ecmaVersion: 6 }
},
{
code: "({['foo']: function bar() {}})",
options: ["never"],
parserOptions: { ecmaVersion: 6 }
},
{
code: "({['❤']: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({[foo]: function bar() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({[null]: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({[1]: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({[true]: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({[`x`]: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({[/abc/]: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({[[1, 2, 3]]: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({[{x: 1}]: function foo() {}})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "[] = function foo() {}",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({} = function foo() {})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "[a] = function foo() {}",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({a} = function foo() {})",
parserOptions: { ecmaVersion: 6 }
},
{
code: "var [] = function foo() {}",
parserOptions: { ecmaVersion: 6 }
},
{
code: "var {} = function foo() {}",
parserOptions: { ecmaVersion: 6 }
},
{
code: "var [a] = function foo() {}",
parserOptions: { ecmaVersion: 6 }
},
{
code: "var {a} = function foo() {}",
parserOptions: { ecmaVersion: 6 }
},
{
code: "({ value: function value() {} })",
options: [{ considerPropertyDescriptor: true }]
},
{
code: "obj.foo = function foo() {};",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "obj.bar.foo = function foo() {};",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "var obj = {foo: function foo() {}};",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "var obj = {foo: function() {}};",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "var obj = { value: function value() {} }",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "Object.defineProperty(foo, 'bar', { value: function bar() {} })",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "Object.defineProperties(foo, { bar: { value: function bar() {} } })",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "Object.create(proto, { bar: { value: function bar() {} } })",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "Object.defineProperty(foo, 'b' + 'ar', { value: function bar() {} })",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "Object.defineProperties(foo, { ['bar']: { value: function bar() {} } })",
options: ["always", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "Object.create(proto, { ['bar']: { value: function bar() {} } })",
options: ["always", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "Object.defineProperty(foo, 'bar', { value() {} })",
options: ["never", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "Object.defineProperties(foo, { bar: { value() {} } })",
options: ["never", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "Object.create(proto, { bar: { value() {} } })",
options: ["never", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "Reflect.defineProperty(foo, 'bar', { value: function bar() {} })",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "Reflect.defineProperty(foo, 'b' + 'ar', { value: function baz() {} })",
options: ["always", { considerPropertyDescriptor: true }]
},
{
code: "Reflect.defineProperty(foo, 'bar', { value() {} })",
options: ["never", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "foo({ value: function value() {} })",
options: ["always", { considerPropertyDescriptor: true }]
}
],
invalid: [
{
code: "let foo = function bar() {};",
options: ["always"],
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchVariable", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "let foo = function bar() {};",
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchVariable", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "foo = function bar() {};",
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchVariable", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "foo &&= function bar() {};",
parserOptions: { ecmaVersion: 2021 },
errors: [
{ messageId: "matchVariable", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "obj.foo ||= function bar() {};",
parserOptions: { ecmaVersion: 2021 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "obj['foo'] ??= function bar() {};",
parserOptions: { ecmaVersion: 2021 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "obj.foo = function bar() {};",
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "obj.bar.foo = function bar() {};",
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "obj['foo'] = function bar() {};",
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "let obj = {foo: function bar() {}};",
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "let obj = {'foo': function bar() {}};",
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "({['foo']: function bar() {}})",
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "module.exports = function foo(name) {};",
options: [{ includeCommonJSModuleExports: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "foo", name: "exports" } }
]
},
{
code: "module.exports = function foo(name) {};",
options: ["always", { includeCommonJSModuleExports: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "foo", name: "exports" } }
]
},
{
code: "module.exports = function exports(name) {};",
options: ["never", { includeCommonJSModuleExports: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "notMatchProperty", data: { funcName: "exports", name: "exports" } }
]
},
{
code: "module['exports'] = function foo(name) {};",
options: [{ includeCommonJSModuleExports: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "foo", name: "exports" } }
]
},
{
code: "module['exports'] = function foo(name) {};",
options: ["always", { includeCommonJSModuleExports: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "matchProperty", data: { funcName: "foo", name: "exports" } }
]
},
{
code: "module['exports'] = function exports(name) {};",
options: ["never", { includeCommonJSModuleExports: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{ messageId: "notMatchProperty", data: { funcName: "exports", name: "exports" } }
]
},
{
code: "var foo = function foo(name) {};",
options: ["never"],
errors: [
{ messageId: "notMatchVariable", data: { funcName: "foo", name: "foo" } }
]
},
{
code: "obj.foo = function foo(name) {};",
options: ["never"],
errors: [
{ messageId: "notMatchProperty", data: { funcName: "foo", name: "foo" } }
]
},
{
code: "Object.defineProperty(foo, 'bar', { value: function baz() {} })",
options: ["always", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
]
},
{
code: "Object.defineProperties(foo, { bar: { value: function baz() {} } })",
options: ["always", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
]
},
{
code: "Object.create(proto, { bar: { value: function baz() {} } })",
options: ["always", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
]
},
{
code: "var obj = { value: function foo(name) {} }",
options: ["always", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "matchProperty", data: { funcName: "foo", name: "value" } }
]
},
{
code: "Object.defineProperty(foo, 'bar', { value: function bar() {} })",
options: ["never", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
]
},
{
code: "Object.defineProperties(foo, { bar: { value: function bar() {} } })",
options: ["never", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
]
},
{
code: "Object.create(proto, { bar: { value: function bar() {} } })",
options: ["never", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
]
},
{
code: "Reflect.defineProperty(foo, 'bar', { value: function baz() {} })",
options: ["always", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
]
},
{
code: "Reflect.defineProperty(foo, 'bar', { value: function bar() {} })",
options: ["never", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
]
},
{
code: "foo({ value: function bar() {} })",
options: ["always", { considerPropertyDescriptor: true }],
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "value" } }
]
},
// Optional chaining
{
code: "(obj?.aaa).foo = function bar() {};",
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
]
},
{
code: "Object?.defineProperty(foo, 'bar', { value: function baz() {} })",
options: ["always", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
]
},
{
code: "(Object?.defineProperty)(foo, 'bar', { value: function baz() {} })",
options: ["always", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
]
},
{
code: "Object?.defineProperty(foo, 'bar', { value: function bar() {} })",
options: ["never", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
]
},
{
code: "(Object?.defineProperty)(foo, 'bar', { value: function bar() {} })",
options: ["never", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
]
},
{
code: "Object?.defineProperties(foo, { bar: { value: function baz() {} } })",
options: ["always", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
]
},
{
code: "(Object?.defineProperties)(foo, { bar: { value: function baz() {} } })",
options: ["always", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
]
},
{
code: "Object?.defineProperties(foo, { bar: { value: function bar() {} } })",
options: ["never", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
]
},
{
code: "(Object?.defineProperties)(foo, { bar: { value: function bar() {} } })",
options: ["never", { considerPropertyDescriptor: true }],
parserOptions: { ecmaVersion: 2020 },
errors: [
{ messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
]
}
]
});