/**
 * @fileoverview Tests for no-constructor-return rule.
 * @author Pig Fang <https://github.com/g-plane>
 */

"use strict";

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

const rule = require("../../../lib/rules/no-constructor-return"),
	RuleTester = require("../../../lib/rule-tester/rule-tester");

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

const ruleTester = new RuleTester({
	languageOptions: { ecmaVersion: 2015, sourceType: "script" },
});

const errors = [
	{
		messageId: "unexpected",
	},
];

ruleTester.run("no-constructor-return", rule, {
	valid: [
		"function fn() { return }",
		"function fn(kumiko) { if (kumiko) { return kumiko } }",
		"const fn = function () { return }",
		"const fn = function () { if (kumiko) { return kumiko } }",
		"const fn = () => { return }",
		"const fn = () => { if (kumiko) { return kumiko } }",
		{
			code: "return 'Kumiko Oumae'",
			languageOptions: {
				parserOptions: { ecmaFeatures: { globalReturn: true } },
			},
		},

		"class C {  }",
		"class C { constructor() {} }",
		"class C { constructor() { let v } }",
		"class C { method() { return '' } }",
		"class C { get value() { return '' } }",
		"class C { constructor(a) { if (!a) { return } else { a() } } }",
		"class C { constructor() { function fn() { return true } } }",
		"class C { constructor() { this.fn = function () { return true } } }",
		"class C { constructor() { this.fn = () => { return true } } }",
		"class C { constructor() { return } }",
		"class C { constructor() { { return } } }",
	],
	invalid: [
		{
			code: "class C { constructor() { return '' } }",
			errors,
		},
		{
			code: "class C { constructor(a) { if (!a) { return '' } else { a() } } }",
			errors,
		},
	],
});