/
no-eval.js
105 lines (94 loc) · 8.06 KB
/
no-eval.js
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/**
* @fileoverview Tests for no-eval rule.
* @author Nicholas C. Zakas
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-eval"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("no-eval", rule, {
valid: [
"Eval(foo)",
"setTimeout('foo')",
"setInterval('foo')",
"window.setTimeout('foo')",
"window.setInterval('foo')",
// User-defined eval methods.
"window.eval('foo')",
{ code: "window.eval('foo')", env: { node: true } },
{ code: "window.noeval('foo')", env: { browser: true } },
{ code: "function foo() { var eval = 'foo'; window[eval]('foo') }", env: { browser: true } },
"global.eval('foo')",
{ code: "global.eval('foo')", env: { browser: true } },
{ code: "global.noeval('foo')", env: { node: true } },
{ code: "function foo() { var eval = 'foo'; global[eval]('foo') }", env: { node: true } },
"globalThis.eval('foo')",
{ code: "globalThis.eval('foo')", env: { es2017: true } },
{ code: "globalThis.eval('foo')", env: { browser: true } },
{ code: "globalThis.noneval('foo')", env: { es2020: true } },
{ code: "function foo() { var eval = 'foo'; globalThis[eval]('foo') }", env: { es2020: true } },
"this.noeval('foo');",
"function foo() { 'use strict'; this.eval('foo'); }",
{ code: "function foo() { this.eval('foo'); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
{ code: "function foo() { this.eval('foo'); }", parserOptions: { ecmaFeatures: { impliedStrict: true } } },
"var obj = {foo: function() { this.eval('foo'); }}",
"var obj = {}; obj.foo = function() { this.eval('foo'); }",
{ code: "class A { foo() { this.eval(); } }", parserOptions: { ecmaVersion: 6 } },
{ code: "class A { static foo() { this.eval(); } }", parserOptions: { ecmaVersion: 6 } },
// Allows indirect eval
{ code: "(0, eval)('foo')", options: [{ allowIndirect: true }] },
{ code: "(0, window.eval)('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
{ code: "(0, window['eval'])('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
{ code: "var EVAL = eval; EVAL('foo')", options: [{ allowIndirect: true }] },
{ code: "var EVAL = this.eval; EVAL('foo')", options: [{ allowIndirect: true }] },
{ code: "(function(exe){ exe('foo') })(eval);", options: [{ allowIndirect: true }] },
{ code: "window.eval('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
{ code: "window.window.eval('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
{ code: "window.window['eval']('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
{ code: "global.eval('foo')", options: [{ allowIndirect: true }], env: { node: true } },
{ code: "global.global.eval('foo')", options: [{ allowIndirect: true }], env: { node: true } },
{ code: "this.eval('foo')", options: [{ allowIndirect: true }] },
{ code: "function foo() { this.eval('foo') }", options: [{ allowIndirect: true }] },
{ code: "(0, globalThis.eval)('foo')", options: [{ allowIndirect: true }], env: { es2020: true } },
{ code: "(0, globalThis['eval'])('foo')", options: [{ allowIndirect: true }], env: { es2020: true } },
{ code: "var EVAL = globalThis.eval; EVAL('foo')", options: [{ allowIndirect: true }] },
{ code: "function foo() { globalThis.eval('foo') }", options: [{ allowIndirect: true }], env: { es2020: true } },
{ code: "globalThis.globalThis.eval('foo');", options: [{ allowIndirect: true }], env: { es2020: true } }
],
invalid: [
// Direct eval
{ code: "eval(foo)", errors: [{ messageId: "unexpected", type: "CallExpression", column: 1, endColumn: 5 }] },
{ code: "eval('foo')", errors: [{ messageId: "unexpected", type: "CallExpression", column: 1, endColumn: 5 }] },
{ code: "function foo(eval) { eval('foo') }", errors: [{ messageId: "unexpected", type: "CallExpression", column: 22, endColumn: 26 }] },
{ code: "eval(foo)", options: [{ allowIndirect: true }], errors: [{ messageId: "unexpected", type: "CallExpression", column: 1, endColumn: 5 }] },
{ code: "eval('foo')", options: [{ allowIndirect: true }], errors: [{ messageId: "unexpected", type: "CallExpression", column: 1, endColumn: 5 }] },
{ code: "function foo(eval) { eval('foo') }", options: [{ allowIndirect: true }], errors: [{ messageId: "unexpected", type: "CallExpression", column: 22, endColumn: 26 }] },
// Indirect eval
{ code: "(0, eval)('foo')", errors: [{ messageId: "unexpected", type: "Identifier", column: 5, endColumn: 9 }] },
{ code: "(0, window.eval)('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 12, endColumn: 16 }] },
{ code: "(0, window['eval'])('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 12, endColumn: 18 }] },
{ code: "var EVAL = eval; EVAL('foo')", errors: [{ messageId: "unexpected", type: "Identifier", column: 12, endColumn: 16 }] },
{ code: "var EVAL = this.eval; EVAL('foo')", errors: [{ messageId: "unexpected", type: "MemberExpression", column: 17, endColumn: 21 }] },
{ code: "(function(exe){ exe('foo') })(eval);", errors: [{ messageId: "unexpected", type: "Identifier", column: 31, endColumn: 35 }] },
{ code: "window.eval('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 8, endColumn: 12 }] },
{ code: "window.window.eval('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 15, endColumn: 19 }] },
{ code: "window.window['eval']('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 15, endColumn: 21 }] },
{ code: "global.eval('foo')", env: { node: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 8, endColumn: 12 }] },
{ code: "global.global.eval('foo')", env: { node: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 15, endColumn: 19 }] },
{ code: "global.global[`eval`]('foo')", parserOptions: { ecmaVersion: 6 }, env: { node: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 15, endColumn: 21 }] },
{ code: "this.eval('foo')", errors: [{ messageId: "unexpected", type: "CallExpression", column: 6, endColumn: 10 }] },
{ code: "function foo() { this.eval('foo') }", errors: [{ messageId: "unexpected", type: "CallExpression", column: 23, endColumn: 27 }] },
{ code: "var EVAL = globalThis.eval; EVAL('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 23, endColumn: 27 }] },
{ code: "globalThis.eval('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 12, endColumn: 16 }] },
{ code: "globalThis.globalThis.eval('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 23, endColumn: 27 }] },
{ code: "globalThis.globalThis['eval']('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 23, endColumn: 29 }] },
{ code: "(0, globalThis.eval)('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 16, endColumn: 20 }] },
{ code: "(0, globalThis['eval'])('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 16, endColumn: 22 }] }
]
});